Fishing in Ireland — water bodies with a bite forecast

Largest water bodies

• Lough Neagh378.53 km²
• Lough Corrib170.21 km²
• Lough Derg117.48 km²
• Lower Lough Erne113.52 km²
• Lough Ree103.41 km²
• Lough Mask83.11 km²
• Lough Conn46.67 km²
• Lough Erne Upper38.19 km²
• Lough Allen33.83 km²
• Lough Melvin22.52 km²
• Lough Leane19.74 km²
• Poulaphouca Reservoir18.87 km²

Water bodies by region

County Antrim

• Lough Beg4.62 km²
• Portmore Lough1.68 km²
• Stoneyford Reservoir59.3 ha
• Lough Mourne Reservoir48.4 ha
• Dungonnell Reservoir30.5 ha
• Upper South Woodburn Reservoir24.6 ha
• Middle South Woodburn Reservoir24.1 ha
• Killylane Reservoir23.8 ha
• Altnahinch Reservoir18.2 ha
• Broadwater12.2 ha
• Ushet Lough11.8 ha
• Whitehouse Lagoon10.3 ha
• Copeland Reservoir9.3 ha
• Lough na Cranagh8.8 ha
• Upper Pond8.4 ha
• North Woodburn Reservoir7.5 ha
• Straid Dam7.4 ha
• Tildarg Dam6.7 ha
• Lower South Woodburn Reservoir6.6 ha
• Boomers Reservoir5.5 ha
• Kebble Lough5.4 ha
• Hydepark Dam5.3 ha
• Brackenhill Dam5.0 ha
• Quolie Reservoir No 24.6 ha
• Boghil Dam4.5 ha
• Quolie Reservoir No 14.4 ha
• Dorisland Reservoir3.8 ha
• Hydepark Service Reservoir2.8 ha
• Loughgarve2.8 ha
• Craigmacagan Lough2.6 ha
• Troopers Hill Lough2.6 ha
• Lower Potterswall Reservoir2.5 ha
• Ally Lough2.1 ha
• Lough Naroon2.0 ha
• Craigmore Fishery1.9 ha
• Kinkeel Lough1.9 ha
• Atoges Dam1.8 ha
• Lough Fadden Fishery1.8 ha
• Upper Potterswall Reservoir1.8 ha
• Lower Pond1.7 ha
• Kilwaughter Pond1.7 ha
• Peoples Park Lake1.5 ha
• Loughareema1.3 ha
• Willis' Lake1.3 ha
• Woodford Fly Fishery1.2 ha

County Armagh

• Lough Ross87.3 ha
• Lough Gullion80.7 ha
• Camlough Lake71.8 ha
• Clay Lake47.7 ha
• Craigavon Balancing Lakes38.6 ha
• Tullynawood Lake28.8 ha
• Seagahan Reservoir27.7 ha
• Lurgan Park Lake19.7 ha
• Castle Dillon Lake19.3 ha
• Shaws Lake15.0 ha
• Lough Gall14.0 ha
• Lowry's Lough10.5 ha
• Gentle Owens Lake9.3 ha
• Kiltybane Lough9.2 ha
• Marlacoo Lake8.0 ha
• Straghans Lough7.7 ha
• Cashel Lake Upper6.1 ha
• Ballylane Lake5.9 ha
• Kiltubbrid Loughs4.2 ha
• Edenderry Lough2.5 ha
• Ballynewry Lake2.4 ha
• Bessbrook Pond2.3 ha
• Crossbane Lough2.3 ha
• Carnagh Lake2.2 ha
• Drumman Bay Lake1.7 ha
• Moyrourkan Lough1.7 ha
• Listarkelt Lough1.5 ha
• Drumman More Lake1.5 ha
• Lurgan Lough Upper1.3 ha
• Scarva Lough1.2 ha

County Cavan

• Lough Gowna12.31 km²
• Lough Ramor7.17 km²
• Lough Oughter5.05 km²
• Brackley Lough1.66 km²
• Lough Sillan1.65 km²
• Inishmuck Lough1.62 km²
• Garty Lough82.0 ha
• Bunerky Lough75.6 ha
• Derrycassan Lough72.6 ha
• Skeagh Lough Upper64.0 ha
• Ballymagauran Lough59.9 ha
• Dromore Lough58.6 ha
• Killywilly Lough57.8 ha
• Lough Tacker57.4 ha
• Glasshouse Lough55.9 ha
• Nadreegeel Loughs48.0 ha
• Swan Lough46.1 ha
• Carrafin Lough44.9 ha
• Templeport Lough42.7 ha
• Nadreegeel Loughs42.6 ha
• Lough Inchin42.6 ha
• Lough Acanon42.3 ha
• Parisee Lough41.7 ha
• Derrybrick Lough40.9 ha
• Killylea Lough40.4 ha
• Rockfield Lough39.5 ha
• Barnagrow Lough39.0 ha
• Corglass Lough38.6 ha
• Lakefield Lough37.2 ha
• Annagh Lough34.6 ha
• Town Lake33.8 ha
• Derreskit Lough33.6 ha
• Drummany Lough33.5 ha
• Castle Lough33.5 ha
• Mullagh Lough32.8 ha
• Ardan Lough31.7 ha
• Milltown Lough31.0 ha
• Bellaboy Lough31.0 ha
• Killybandrick Lough30.7 ha
• Farnham Lough30.6 ha
• Cuillaghan Lough29.6 ha
• Coologe Lough29.6 ha
• Corraneary Lough27.8 ha
• Tullyguide Lough26.7 ha
• Carratraw Lough24.6 ha
• Baraghy Lough24.5 ha
• Corraback Lough22.8 ha
• Castle Lough21.6 ha
• Tawlaght Lough21.2 ha
• Killyvaghan Lake21.1 ha
• Round Lough20.3 ha
• Lough Acurry19.2 ha
• Carr's Lough18.9 ha
• Bawn Lough18.5 ha
• Killyrue Lough18.1 ha
• Lough Atrain17.2 ha
• Drumellis Lough17.2 ha
• Black Lough17.0 ha
• Corrarod Lough17.0 ha
• Lisnananagh Lough17.0 ha
• Annagh Lough16.9 ha
• Edenterriff Lough16.3 ha
• Swellan Lough16.2 ha
• Commons Lough15.6 ha
• Derrygid Lough15.5 ha
• Anoneen Lough15.2 ha
• Lough Asturrall14.9 ha
• Corratinner Lough14.7 ha
• Coragh Lough14.6 ha
• Clonamullig Lough14.1 ha
• Kill Lough14.0 ha
• Annaghierin Lough13.7 ha
• Sally Island Fishery13.7 ha
• Mill Lough13.5 ha
• Lavey Lough13.2 ha
• Ardra Lough12.9 ha
• Holy Lough12.6 ha
• Bracklagh Lough12.2 ha
• Derrygeeraghan Lough12.0 ha
• Beaghy Lough11.9 ha
• Tomkinroad Lough11.8 ha
• Corraghy Lough11.8 ha
• Shantemon Lough11.7 ha
• Graddum Lough11.6 ha
• Moyduff Lough11.5 ha
• Tullyroane Lough11.4 ha
• Drumgorry Lough11.3 ha
• Town Lough11.1 ha
• Drumkeery Lough11.1 ha
• Drumlaney Lough10.6 ha
• Clonty Lough10.3 ha
• Killynaher Lough10.2 ha
• Aghabane Lough9.9 ha
• Cornagrow Lough9.7 ha
• Grilly Lough9.7 ha
• Wood Lough9.6 ha
• Black Lough9.3 ha
• Faharlagh Lough9.3 ha
• Derry Lough9.3 ha
• Bawndoora Lough9.3 ha
• Cuilcagh Lough9.1 ha
• Drumcrow Lough9.1 ha
• Disert Lough8.9 ha
• Garvagh Lough8.5 ha
• Lough Rud8.4 ha
• Bun Lough8.2 ha
• Ardlougher Lough7.9 ha
• Killywillin Lough7.8 ha
• Annaghard Lough7.8 ha
• Carrickacladdy Lough7.7 ha
• Tom's or Kilconny Lough7.6 ha
• White Lough7.6 ha
• Lough Nambrack7.5 ha
• Tully Lough7.4 ha
• Coppony Lough7.4 ha
• Long Lough7.3 ha
• Aghavoher Lough7.3 ha
• Shinan Lough7.3 ha
• Roosky Lough7.1 ha
• Muddy Lough7.0 ha
• Cornalara Lough6.7 ha
• Lough Naglare6.7 ha
• Derryhoo Lough6.6 ha
• Omard Lough6.6 ha
• White Lough6.6 ha
• Lenanavragh Lough6.5 ha
• Moneen Lough6.4 ha
• Druminnick Lough6.4 ha
• Barragh Lough6.3 ha
• Carricknacrannoge Lough5.9 ha
• Putiaghan Lough5.8 ha
• Sallaghan Lough5.7 ha
• Coalpit Lough5.7 ha
• Tonawolly Lough5.5 ha
• Drummany Lough5.5 ha
• Cornaseer Lough5.4 ha
• Dawsons Lough5.2 ha
• Long Lough5.2 ha
• Lough Naweelion5.1 ha
• Corlisbatten Lough5.1 ha
• Drummany Lough5.0 ha
• Togher Lough5.0 ha
• Drumhart Lough4.9 ha
• Galloncurra Lough4.9 ha
• Black Lough4.9 ha
• Dungummin Lough4.9 ha
• Corrakeeldrum Lough4.8 ha
• Greenville Lough4.8 ha
• Oghill Lough4.5 ha
• Drummuck Quarry Pond4.5 ha
• Lough Mushlin4.5 ha
• Coskemduff Lough4.5 ha
• Corfeehone Lough4.3 ha
• Steepletons Lough4.3 ha
• White Lough4.2 ha
• Tents Lough4.2 ha
• Derryhoo Lough4.2 ha
• Creeny Lough4.2 ha
• Drumsheil Lough4.2 ha
• Drumcor Lough4.0 ha
• Doo Lough4.0 ha
• Derrynananta Lough4.0 ha
• Dernaweel Lough3.9 ha
• Gartinardress Lough3.9 ha
• White Lough3.9 ha
• Gortnaleck Lough3.9 ha
• Tullylorcan Lough3.9 ha
• Dumb Lough3.8 ha
• Barn Lough3.8 ha
• Lisgar Lough3.7 ha
• Lough Amoneen3.7 ha
• Lough Nanarragh3.7 ha
• Countenan Lough3.7 ha
• Clifferna Lough3.6 ha
• Black Lough3.6 ha
• Fartagh Lough3.6 ha
• Vals Lough3.6 ha
• Munter Eolus Lough3.5 ha
• Lisgrea Lough3.5 ha
• Beaghy Lough3.5 ha
• Black Lough3.4 ha
• Lough Bane3.4 ha
• Drumkeery Lough3.4 ha
• Dung Lough3.4 ha
• Black Lough3.3 ha
• Annaghoash Lough3.2 ha
• Glebe Lough3.1 ha
• Derrylane Lough3.1 ha
• Swan Lough3.1 ha
• Drumgola Lough2.9 ha
• Lough Aglaur2.9 ha
• Killyran Big Lough2.9 ha
• Shancorry Lough2.9 ha
• Aughrim Quarry Lake2.8 ha
• Pollabane Lough2.8 ha
• Keeny Lough2.8 ha
• Knockgorm Lough2.7 ha
• Lattone Lough2.7 ha
• Lough Islan2.6 ha
• Killycloghan Lough2.6 ha
• Rahultan Lough East2.5 ha
• Claragh Lough2.5 ha
• Derrylina Lough2.5 ha
• Muff Lough2.5 ha
• Lough Alion2.5 ha
• Carricknahurroo Lough2.4 ha
• Corrawaddy Lough2.4 ha
• Lough Aush2.3 ha
• Dunrora Lough2.3 ha
• Cornavedy Lough2.2 ha
• Carn Lough2.2 ha
• Legalough2.2 ha
• Carrickmore Lough2.1 ha
• Peartree Lough2.1 ha
• Drumkilroosk Lough2.0 ha
• Taghart South Quarry Pond2.0 ha
• Drumeague Lough Lower2.0 ha
• Lough Naroosk1.9 ha
• Chapel Lough1.9 ha
• Green Lough1.9 ha
• Drumherriff Lough1.8 ha
• Glasdrumman Lough1.8 ha
• Drumlom Lough1.8 ha
• Garnaneane Lough1.7 ha
• Cormey Quarry Pond1.7 ha
• Cornafean Lough1.7 ha
• Lough Doon1.7 ha
• Lisaderg or Corweelis Lough1.7 ha
• Rahultan Lough West1.7 ha
• Bog Lough1.7 ha
• Lough Nagor1.7 ha
• Dunmakeever Lough1.7 ha
• Lough Nagarnaman1.6 ha
• Bartonny Lough1.6 ha
• Billis Lough1.6 ha
• Carrickallen Quarry Pond1.5 ha
• Corran Quarry Pond1.5 ha
• Kehernaghkilly Lough1.5 ha
• Drumad Lough1.5 ha
• Leamgeltan Lough1.5 ha
• Lough Dawan1.5 ha
• Corrakane Lough1.5 ha
• Killycreeny Lough1.4 ha
• Drumhurrin Lough1.4 ha
• Rahardrum Lough1.4 ha
• Killymooney Lough1.4 ha
• Knockbride Lough Upper1.3 ha
• Mullahoran Quarry Lake1.3 ha
• White Lough1.3 ha
• Leatham's Lough1.3 ha
• Taghart Lough1.3 ha
• Lisclogher Lough1.3 ha
• Oghill Lough1.2 ha
• Derreary Lough1.2 ha
• Gortaclogher Lough1.2 ha
• Farranseer Lough1.2 ha
• Derryhevlin Lough1.2 ha
• Killyran Little Lough1.1 ha
• Corfad Lough1.1 ha
• Lough Tee Lower1.1 ha
• Lough Skuddal1.1 ha
• Moylett Lake1.0 ha
• Teevurcher Lough1.0 ha
• Corr Lough1.0 ha
• Drumlon Lough1.0 ha
• Gortnakillew Lough1.0 ha

County Clare

• Lough Graney3.62 km²
• Doo Lough1.62 km²
• Lough Cullaunyheeda1.41 km²
• Inchicronan Lough1.21 km²
• Rosroe Lough1.20 km²
• Doon Lough1.13 km²
• Inchiquin Lough1.07 km²
• Lough Atorick96.0 ha
• Muckanagh Lough93.9 ha
• Lickeen Lough84.5 ha
• Lough Bunny74.1 ha
• Lough Cullaun56.6 ha
• Lough Alewnaghta53.0 ha
• Dromore Lough51.8 ha
• Lough Bridget48.7 ha
• Lough George46.5 ha
• Lough O'Grady44.4 ha
• Ballyallia Lough37.9 ha
• Clonlea Lough37.9 ha
• Lough Atedaun35.8 ha
• Knockalough31.6 ha
• Ballyeighter Lough30.8 ha
• Gortglass Lough28.9 ha
• Ballyeighter Lough27.8 ha
• Kilgory Lough25.6 ha
• Dromore Lough25.1 ha
• Cloonmackan Lough23.2 ha
• Castle Lake22.5 ha
• Ballycullinan Lough22.3 ha
• Drumcullaun Lough21.5 ha
• Lough Naminna21.1 ha
• Ballybeg Lough20.5 ha
• Doon Lough20.2 ha
• Killone Lough19.3 ha
• Lough Donnell19.2 ha
• Lough Ea19.2 ha
• Lough Gaelan18.9 ha
• Lough Gash18.7 ha
• Kilrush Marina18.7 ha
• O'Briens Big Lough18.5 ha
• Ballyteige Lough15.2 ha
• Lough Girroga14.8 ha
• Travaun Lough14.1 ha
• Lough Murree13.4 ha
• Cloondanagh Lough12.9 ha
• Cregg Lough12.2 ha
• Cloondoorney Lough12.0 ha
• Bunnahow Lough12.0 ha
• Loughanilloon11.9 ha
• Cloonsnaghta Lough11.8 ha
• Gortnacorragh Lough11.3 ha
• Dromoland Lough11.2 ha
• Lough Avoher11.0 ha
• Effernan Lough10.1 ha
• Ballycar Lough10.0 ha
• Moanmore Lough9.8 ha
• Lough Luirc9.4 ha
• Lough Burke9.2 ha
• Caherkine Lough8.4 ha
• Lough Aconnaun8.3 ha
• Ballyogan Lough8.1 ha
• Skaghard Lough8.1 ha
• Knockacunag Lough8.0 ha
• Ballyogan Lough7.9 ha
• Lough More7.7 ha
• Castle Lough7.7 ha
• Cloggaghwood Lough7.6 ha
• Rathluby Lough7.6 ha
• Lough Achryane7.5 ha
• Ballyvelaghan Lough7.4 ha
• Knockerry Lough7.3 ha
• Clonbrick Lough7.3 ha
• Lough Keagh7.2 ha
• Lough Acrow7.0 ha
• Attyquin Lough6.9 ha
• Shandangan Lough6.9 ha
• Doonbeg Lough6.8 ha
• Lough Goller6.8 ha
• Lough Garr6.4 ha
• Shandangan Lough6.4 ha
• Rockforest Lough6.2 ha
• Maghera Lough6.0 ha
• Ballymulcashel Lough5.9 ha
• Derrynacrogg Lough5.7 ha
• Teereen Lough5.7 ha
• Lahardaun Lough5.6 ha
• Lough Caum5.5 ha
• Islandgar Lough5.3 ha
• Lough Nabrickage5.3 ha
• Rathluby Lough5.3 ha
• Luogh Lough5.1 ha
• Dromore Lough5.0 ha
• Kilkishen Lough4.9 ha
• Ballyleaan Lough4.8 ha
• Lough Raha4.7 ha
• Skehanagh Lough4.7 ha
• Tullaher Lough4.7 ha
• Roscoe Lough4.7 ha
• Lough Nanillaun4.6 ha
• Lough Coolmeen4.5 ha
• Bridge Lough4.4 ha
• Aillbrack Lough4.3 ha
• Lough Keagh4.3 ha
• Keel Lough4.3 ha
• Terchean Lough4.2 ha
• Derreen Lough4.2 ha
• Lough O'Grady4.1 ha
• Lough Cleggah3.9 ha
• Lough Oona3.9 ha
• Lough Meelagh3.9 ha
• Farrihy Lough3.5 ha
• Cooleeria Lough3.5 ha
• Liskenny Lough3.5 ha
• Cloonteen Lough3.4 ha
• Kilnacrandy Lough3.3 ha
• Knocknalappa Lough3.3 ha
• Tullabrack Lough3.1 ha
• Tarmon Lough3.0 ha
• Rathluby Lough2.9 ha
• Gortaganniv Lough2.8 ha
• Knockreddan Lough2.8 ha
• O'Hara's Lough2.8 ha
• Templebannagh Lough2.7 ha
• Ballyeighter Lough2.6 ha
• Cahermurphy Lough2.6 ha
• Mooghna Lough2.5 ha
• Enagh Lough2.5 ha
• Corraige Lough2.4 ha
• Muckinish Lough2.4 ha
• Garvillaun Lough2.3 ha
• Clonlea Lough2.3 ha
• Rathluby Lough2.3 ha
• Turkenagh Lough2.2 ha
• Ballymacooda Lough2.2 ha
• Lough Neppy2.2 ha
• Lough Loum2.2 ha
• Moyree Lough2.2 ha
• Lough Gorteen2.1 ha
• Lough Duff2.1 ha
• Drumroom Lough2.1 ha
• Lough Boolynagreana2.0 ha
• Kilnacrandy Lough2.0 ha
• Maryfort Lough2.0 ha
• O'Brien's Little Lough2.0 ha
• Fairyhill Lough1.9 ha
• Hennessy Lough1.9 ha
• Lough Fergus1.9 ha
• Lickeen Lough1.9 ha
• Lough Nanillaun1.8 ha
• Lough Nacronia1.8 ha
• Lough Rask1.7 ha
• Lough Ataska1.7 ha
• Lough Nacrag1.7 ha
• Cappafeean Lough1.7 ha
• Lough Athoya1.7 ha
• Ballygunneen Lough1.6 ha
• Lough Adoona1.6 ha
• Tool's Lough1.5 ha
• Granaghanbeg Lough1.5 ha
• Castletown Lough1.4 ha
• Ballinlisheen Lough1.4 ha
• Lough Garr1.4 ha
• Drumroom Lough1.4 ha
• Aughrim Lough1.4 ha
• Bog Lake1.4 ha
• Clooncoose Lough1.4 ha
• Craggaunowen Lough1.4 ha
• Derroogh Lough South1.3 ha
• Drumroom Lough1.3 ha
• Knockaundoor Lough1.3 ha
• Kilcordan Lough1.3 ha
• Lough Derragher1.3 ha
• Cloonomra Lough1.2 ha
• Cloggaghwood Lough1.2 ha
• Lough Lackagh1.2 ha
• Lough Skeardeen1.2 ha
• Lisborneen Lough1.1 ha
• Stonepark Lough1.1 ha
• Lough Nagall1.0 ha
• Lough Eenagh1.0 ha
• Moyriesk Lough1.0 ha

County Cork

• Inniscarra Reservoir4.44 km²
• Carrigadrohid Reservoir1.90 km²
• Carrigadrohid Reservoir1.73 km²
• Lough Allua1.61 km²
• Carrigadrohid Reservoir1.32 km²
• Glenbeg Lough65.6 ha
• Lough Hyne54.3 ha
• Barley Lake31.4 ha
• Carrigadrohid Reservoir25.3 ha
• Lough Abisdealy18.2 ha
• Kilkeran Lake18.1 ha
• Lough Cluhir15.6 ha
• Glenkeel Lough12.8 ha
• Carrigadrohid Reservoir12.1 ha
• Lough Shanoge11.6 ha
• Corran Lake11.3 ha
• Lough Nambrackdearg10.0 ha
• Lough Derreenadavodia9.7 ha
• Castlenalact Lake9.5 ha
• Lough Fadda9.1 ha
• Lough Bofinne8.5 ha
• Lough Nambrackderg8.2 ha
• Ballinlough Lake8.2 ha
• Ballybutler Lake7.7 ha
• Garranes Lake7.3 ha
• Curramore Lough7.0 ha
• Ballynacarriga Lough6.9 ha
• Carrigadrohid Reservoir6.9 ha
• Lough Moredoolig6.2 ha
• The Lough5.9 ha
• Lough Atarriff5.3 ha
• Derryvegal Lough (Lower)5.1 ha
• Lough Errul4.6 ha
• Glan Lough3.9 ha
• Farranamanagh Lough3.9 ha
• Lough Avaul3.9 ha
• Lough Atooreen3.2 ha
• Cahergal Lake3.1 ha
• Cloonties Lake3.1 ha
• Lough Gorm2.9 ha
• Lough Abisdealy2.8 ha
• Gullane Lake2.6 ha
• Gartavehy Lough2.6 ha
• Chapel Lake2.5 ha
• Kilmore Lake2.4 ha
• Lough Avaul Little2.4 ha
• Louh Gal2.4 ha
• Lough Nambrack2.3 ha
• Murragh Lake2.3 ha
• Lough Eagle2.3 ha
• Lough More2.2 ha
• Aghills Lake2.1 ha
• Kippagh Lough2.1 ha
• Coomanore Lough2.0 ha
• Lough Marsh1.9 ha
• Derryvegal Lough (Upper)1.8 ha
• Carrigadrohid Reservoir1.7 ha
• Constable Lake1.7 ha
• Driminidy Lough1.7 ha
• Neaskin Lough1.6 ha
• Glen Lough1.6 ha
• Loch Staley1.6 ha
• Aghilla Lake1.5 ha
• Lough Naman1.5 ha
• Ballincollig Water Works1.3 ha
• Poll a’Dubhain1.2 ha
• Pulleen Lake1.2 ha
• Coomeenatrush Lake1.0 ha

County Donegal

• Lough Derg8.75 km²
• Lough Eske3.83 km²
• Lough Veagh2.57 km²
• Assaroe Reservoir2.26 km²
• Lough Nacung2.08 km²
• Gartan Lough2.02 km²
• Lough Fern1.73 km²
• Inch Lake1.68 km²
• Glen Lough1.65 km²
• Lough Anure1.53 km²
• Lough Altan1.29 km²
• New Lake1.17 km²
• Lough Finn1.11 km²
• Dunlewey Lough1.09 km²
• Lough Mourne64.6 ha
• Lough Barra61.2 ha
• Dunglow Lough60.4 ha
• Kindrum Lough59.8 ha
• Lough Nalughraman58.8 ha
• Lough Aleck More53.6 ha
• Lough Meela53.0 ha
• Lough Craghy49.8 ha
• Tullynasiddagh Lough47.5 ha
• Kiltooris Lough43.3 ha
• Lough Fad39.7 ha
• Lough Muck39.5 ha
• Kinny Lough38.8 ha
• Lough Inshagh35.8 ha
• Lough Lagha33.5 ha
• Rath Lough33.3 ha
• Lough Anna33.3 ha
• Lough Golagh32.4 ha
• Lough Gannivegil31.6 ha
• Lough Adeery (reservoir)29.1 ha
• Lough Ea29.1 ha
• Lough Waskel28.8 ha
• Lough Salt28.7 ha
• Lough Belshade27.7 ha
• Shannagh Lough27.4 ha
• Lough Unna26.4 ha
• Lough Derryduff26.1 ha
• Lough Muck25.2 ha
• Lough Ananima24.2 ha
• Sessagh Lake23.6 ha
• Lough Croangar23.3 ha
• Lough Greenan22.5 ha
• Lough Deele22.4 ha
• Mullaghderg Lough22.3 ha
• Lough Aderry21.3 ha
• Meenlecknalore Lough20.9 ha
• Lough Aluirg20.8 ha
• Glentornan Lough20.6 ha
• Purt Lough19.3 ha
• Lough Magrath More19.0 ha
• Lough Auva18.7 ha
• Lough Inn18.3 ha
• Lough Nambraddan17.5 ha
• Lough Golagh17.3 ha
• Doon Lough17.0 ha
• Lough Agher17.0 ha
• Glaskeeragh Lough16.6 ha
• Lough Machugh16.1 ha
• Saint Peter's Lough16.1 ha
• Columbkille Lough15.9 ha
• Lough Garlagh More15.9 ha
• Lough Illion15.9 ha
• Lough Croaghballaghdown15.6 ha
• Maghery Lough15.6 ha
• Nasnahida Lough15.3 ha
• Mintiaghs Lough15.3 ha
• Lough Naminn15.1 ha
• Lough Barderg15.1 ha
• Lough Nageage15.1 ha
• Lough Nageeragh15.0 ha
• Lough Agannive14.8 ha
• Trusk Lough14.8 ha
• Lough Fad14.7 ha
• Lough Alowney14.5 ha
• Lough Nawaugh14.5 ha
• Lough Anaffrin14.3 ha
• Lough Divna13.9 ha
• Lough Fad13.6 ha
• Lough Nunuarragh13.2 ha
• Lough Keel13.2 ha
• Drumgun Lough13.1 ha
• Tamur Lough13.0 ha
• Brockagh Lough12.8 ha
• Lough Fad12.6 ha
• Lough Anillanowennamarve12.4 ha
• Lough Agannive12.2 ha
• Lough Unshagh12.1 ha
• Lough Feane11.9 ha
• Lough Mardal11.8 ha
• Lough Namurrig11.4 ha
• Glen Lough10.8 ha
• Derkmore Lough10.7 ha
• Lough Nacroaghy10.5 ha
• Lough Adoghbolie10.4 ha
• Lough Errig10.3 ha
• Lough Agannive10.1 ha
• Croagh Lough10.0 ha
• Lough Doo9.7 ha
• Aghnish Lough9.7 ha
• Lough Atirrive9.7 ha
• Lough Anarget9.6 ha
• Lough Namuck9.5 ha
• Lough Salt9.2 ha
• Drumnalough9.2 ha
• Skeskinmore Lough9.1 ha
• Lough Nadarragh9.0 ha
• Lough Narreaght9.0 ha
• Lough Nillan9.0 ha
• Lough Naglagury8.9 ha
• Clooney Lough8.8 ha
• Lough Fad8.8 ha
• Lough Maddy8.6 ha
• Glenconagh Lough8.5 ha
• Drumaneany Lough8.5 ha
• Loughawaddy8.3 ha
• Lough Birroge8.2 ha
• Lough Nagapple8.0 ha
• Derryreel Lough8.0 ha
• Lough Naglea8.0 ha
• Lough Nameeltoge8.0 ha
• Croloughan Lough7.9 ha
• Lough Leaghan More7.7 ha
• Lough Anirvone7.5 ha
• Lough Awolie Crockacroaghan7.4 ha
• Heather Loughs7.2 ha
• Lough Pollrory7.1 ha
• Lough Cam7.1 ha
• Lough Ariddoge7.1 ha
• Lough More7.0 ha
• Lough Narath7.0 ha
• Kiltyfanned Lough7.0 ha
• Lough Sallagh6.8 ha
• Lough Fad6.8 ha
• Lough Aderry6.8 ha
• Lough Nagreagh6.7 ha
• Magheradrumman Lough6.5 ha
• Pound Lough6.5 ha
• Lough Adreen6.4 ha
• Lough Namanlagh6.3 ha
• Claggan Lough6.2 ha
• Lough Atercan6.1 ha
• Lough Acapple6.1 ha
• Lough Agarrowen6.1 ha
• Lough Reelan6.1 ha
• Lough Agh6.0 ha
• Lough Aroshin6.0 ha
• Lough Boyle6.0 ha
• Lough Trusk6.0 ha
• Lough Nakey5.9 ha
• Lough Muilt5.7 ha
• Lough Anillar5.7 ha
• Lough Natooey South5.7 ha
• Lough Natooey North5.7 ha
• Lough Doo5.6 ha
• Lough Garrive5.5 ha
• Lough Shore5.4 ha
• Lough Nabrick5.4 ha
• Lough Connell5.3 ha
• Magheradromman Lough5.3 ha
• Lough Nagarnaman5.2 ha
• Lough Naboll5.2 ha
• Lough Alaan5.2 ha
• Lough Nambraddan5.1 ha
• Summy Lough5.1 ha
• Shanaghan Lough5.1 ha
• Lough Nadeal5.1 ha
• Banagher Lough5.0 ha
• Tamney Lough5.0 ha
• Lough Achailly5.0 ha
• Lough Natooey4.9 ha
• Lough Geeta4.8 ha
• Ballaghfill Lough4.8 ha
• Lough Cushkeeragh4.7 ha
• Sally's Lough4.7 ha
• Meenatotan Lough4.6 ha
• Carnbeg Lough4.5 ha
• Carnboy Lough4.5 ha
• Lough Nasoogan4.4 ha
• Lough More4.4 ha
• Lough Variskey4.4 ha
• Lougheraherk4.3 ha
• Lough Fadda4.3 ha
• Lough Cam4.3 ha
• Roosky Lough4.3 ha
• Meenaguse Lough4.1 ha
• Loch Bhun an Inbhir4.1 ha
• Lough Amincheen4.1 ha
• Carrick Lough4.0 ha
• Lough Nameena4.0 ha
• Lough Acruppan4.0 ha
• Lough Doo4.0 ha
• Lough Anuller4.0 ha
• Lough Nabrackboy3.9 ha
• Drum Lough3.8 ha
• Barnes Lough3.8 ha
• Lough Ascardan3.8 ha
• Lough Donnell3.8 ha
• Lough Nasnahida3.8 ha
• Drumlesk Lough3.8 ha
• Lough Keel3.8 ha
• Croaghnashallog Lough3.8 ha
• Gort Lough3.6 ha
• Lough Nabrackboy3.6 ha
• Lough Laragh3.6 ha
• Lough Nameeltoge3.6 ha
• Lough Nacally3.6 ha
• Lough Aleen3.5 ha
• Lough Tunny3.5 ha
• Cronloughan3.5 ha
• Lough Coney3.5 ha
• Lough Awillin3.5 ha
• Lough Aneans More3.5 ha
• Lough Meenachrinna3.5 ha
• Melmore Lough3.4 ha
• Lough Natangaduff3.4 ha
• Lough Nambraddan3.4 ha
• Lough Namaddy3.4 ha
• Lough Aleck Beg3.3 ha
• Lough Carlack Beg3.3 ha
• Lough Adinn3.3 ha
• Leckenagh Lough3.3 ha
• Lough Free3.3 ha
• Lough Nagreenan3.3 ha
• Lough Ahooey3.3 ha
• Lough Smuttan3.2 ha
• Lough More3.2 ha
• Kincas Lough3.2 ha
• Lough Naweelage3.2 ha
• Lough Nambraddan3.2 ha
• Lough Kip3.2 ha
• Lough Slievesnaght3.2 ha
• Ardmeen Lough3.1 ha
• Lough Shivnagh3.1 ha
• Lough Maam3.1 ha
• Lough Bheithe3.0 ha
• Lough Adrihidbeg3.0 ha
• Lough Fisla3.0 ha
• Lough Ayellowin3.0 ha
• Cashelnagor Lough3.0 ha
• Lough Cullion2.9 ha
• Lough Nabadoo2.9 ha
• White Lough2.8 ha
• Lough Ayes2.8 ha
• Columbkille's Lough2.8 ha
• Thorn Lough2.8 ha
• Port Lough2.7 ha
• Lough Akeeran2.7 ha
• Long Lough2.7 ha
• Durlough2.7 ha
• Ferry's Lough2.7 ha
• Lough Binna2.7 ha
• Ballyalla Lough2.7 ha
• Lough Lack2.6 ha
• Lough Carn2.6 ha
• Aghafoy Lough2.5 ha
• Lough Adoochro2.5 ha
• Lough Altaderry2.5 ha
• Drumlee Lough2.5 ha
• Clonkillybeg Lough2.5 ha
• Lough Anillan2.5 ha
• White Lough2.5 ha
• Lough Inishsirrer2.5 ha
• Lough Nabrackbaddy2.4 ha
• Loughnacrohy2.4 ha
• Lough Ateggal2.4 ha
• The Bog Lough2.4 ha
• Lough Namaddy2.3 ha
• Lough Namanshasfrogo2.3 ha
• Lough Nabrack beg2.3 ha
• Lough Corrom2.3 ha
• Sand Lough2.2 ha
• Lough Ballyboy2.2 ha
• Lough Nacloghcor2.2 ha
• Carn Lough2.2 ha
• Lough Atuilsion2.2 ha
• Lough Hanane2.1 ha
• Lough Avallyduff2.1 ha
• Lough Acrobane2.1 ha
• Camlargy Lough2.1 ha
• Lough Nacreevagh2.1 ha
• Lough Sallagh2.1 ha
• Illanmore Lough2.1 ha
• Killayenna Lough2.0 ha
• Lough Nagreany2.0 ha
• Lough Sallagh2.0 ha
• Lough Agrougha2.0 ha
• Lough Lilly2.0 ha
• Lough Doira2.0 ha
• Lough Achasnan2.0 ha
• Meenlaragh Lough2.0 ha
• Lough Anillan1.9 ha
• Lough Nadogin1.9 ha
• Lough Gulladuff1.9 ha
• Lough Astoller1.9 ha
• Manus's Lough1.9 ha
• Lough Nasharragh1.9 ha
• Still Lough1.9 ha
• Lough Greal Beg1.8 ha
• Ballyhork Lough1.8 ha
• Lough Nabrackbautia1.8 ha
• Loch Mhachaire na nGall1.8 ha
• Lough Altoghan1.8 ha
• Lough Anarget1.8 ha
• Lough Nastackan1.8 ha
• Rosapenna Lake1.8 ha
• Lough Aneigh1.8 ha
• Lough Altmanus1.8 ha
• Lough Garaghy1.8 ha
• Lough Effish1.8 ha
• Lough Natragh1.7 ha
• Lough O'Mulligon1.7 ha
• Loughnathreebrack1.7 ha
• Lough Nascaufey1.7 ha
• Lough Fullarton1.7 ha
• Gannon's Lough1.7 ha
• Lough Bradanederg1.7 ha
• Lough Analf1.7 ha
• Lough Doo1.6 ha
• Lough Oughtreagh1.6 ha
• Lough Nabrackal1.6 ha
• Lough Nameena1.6 ha
• Mac Alea's Lough1.6 ha
• Killoughcarran Lough1.6 ha
• Cloncarney Lough1.6 ha
• Lough Nabrack more1.6 ha
• Lough Tirrim1.6 ha
• Lough Meenaviller1.6 ha
• Lough Linn1.5 ha
• Lough Garrig1.5 ha
• Lough Moraghy More1.5 ha
• Difflin Lake1.5 ha
• Lough Lack Beg1.4 ha
• Lough Nambraddan1.4 ha
• Lough Nalcaghany1.4 ha
• Crockalough1.4 ha
• Lough Nabradan1.4 ha
• Lough Laub1.4 ha
• Lough Fad1.4 ha
• Lough Atirrive Big1.4 ha
• Lough Aemullon1.4 ha
• Lough Beg1.4 ha
• Misty Lough North1.4 ha
• Lough Ashesky1.4 ha
• Gortnatraw Lough1.4 ha
• Aghalough1.3 ha
• Lough Shinnagh1.3 ha
• Lough Naposte1.3 ha
• Ballyboe Lough1.3 ha
• Lough Asgurha1.2 ha
• Lough Namurleog1.2 ha
• Lough Nagreal1.2 ha
• Lough Anore1.2 ha
• Lough Acrappan1.2 ha
• Mur Lough1.2 ha
• Altar Lough1.2 ha
• Lough Nasmuttane1.2 ha
• Irvine's Lough1.1 ha
• Achesons Lough1.1 ha
• Lough Fad1.1 ha
• Lough Agarog1.1 ha
• Lough Ibby1.1 ha
• Lough Lour1.1 ha
• Lough Nacre1.1 ha
• Lough Hearn1.1 ha
• Loughinisland1.1 ha
• Lough Fadda1.1 ha
• Lough Greal More1.1 ha
• Lough Keel1.0 ha
• Lough Adrumagh Upper1.0 ha
• Lough Nameenagh1.0 ha
• Lough Naloghty1.0 ha
• Lough Clogher Macnaghlan1.0 ha
• Lough Meenawillin1.0 ha
• Lough Innaghachola1.0 ha
• Crunlough1.0 ha
• Lough Akeeran1.0 ha
• Lough Anillan1.0 ha
• Lough Leahan1.0 ha

County Down

• Lough Island Reavy1.00 km²
• Silent Valley Reservoir89.5 ha
• Clea Lakes68.7 ha
• Spelga Reservoir58.6 ha
• Castlewellan Lake41.5 ha
• Ben Crom Reservoir36.0 ha
• Lough Aghery29.9 ha
• Lough Shark29.5 ha
• Corbet Lough24.3 ha
• Lough Brickland23.5 ha
• Loughinisland Lake22.3 ha
• Lough Money Reservoir21.5 ha
• Lough Erne19.2 ha
• McAuley's Lake18.8 ha
• Carrigullian Lough18.3 ha
• Lough Cowey17.6 ha
• Ballysallagh Upper Reservoir17.4 ha
• Lough Henney16.5 ha
• Begny Lake15.3 ha
• Hillsborough Lake13.2 ha
• Ballysallagh Lower Reservoir12.8 ha
• Ballylough12.1 ha
• Upper Lake12.0 ha
• Finnebrogue Lough11.1 ha
• Ballydugan Lake11.1 ha
• Portavoe Reservoir11.0 ha
• Monlough10.5 ha
• Lough Mann10.1 ha
• Hunshigo Lake10.1 ha
• Bow Lough8.4 ha
• Kernan Lake7.3 ha
• Pollramer Lake7.3 ha
• Knockbracken Reservoir7.2 ha
• Fofanny Reservoir7.0 ha
• Mill Pond6.5 ha
• Lower Lake5.9 ha
• Harbour Lagoon5.8 ha
• Heron Lough5.8 ha
• Montgomery's Lough5.1 ha
• Heron Lough4.4 ha
• Ballyward Lake4.1 ha
• Milltown Dam3.8 ha
• Magheralagan Lake3.8 ha
• Drumaran Lake3.4 ha
• Strand Lough3.4 ha
• McKee's Lough3.4 ha
• Drum Lough3.4 ha
• Ballykine Lough3.4 ha
• Upper Conlig Reservoir3.3 ha
• Magherscouse Lough3.2 ha
• Ballykine Lough3.1 ha
• Great Dam2.8 ha
• Tannaghmore Reservoir2.8 ha
• Clay Pits2.7 ha
• Dunaghaguy Reservoir2.7 ha
• Altnadua Lough2.7 ha
• Burren Lough2.6 ha
• Ballfinragh Lough2.6 ha
• Milltown Lough2.5 ha
• Lower Conlig Reservoir2.5 ha
• Clay Pits2.4 ha
• Movilla Trout Fishery2.3 ha
• Ballyroney Lake2.2 ha
• Temple Water2.2 ha
• Mount Stewart Lake2.1 ha
• Shane's Lough2.1 ha
• Ballywillwill Pond2.0 ha
• Wright's Lough2.0 ha
• Helens Wood Lake1.9 ha
• Drumnavaddy Lake1.9 ha
• Lough Doo1.9 ha
• Bow Lough1.5 ha
• Mill Pond1.5 ha
• Binian Lough1.3 ha
• Ballymacromwell Lough1.3 ha
• Drumiller Lough1.3 ha
• Glen Dam1.1 ha

County Dublin

• Bohernabreena Reservoir Upper18.3 ha
• Brittas Lake11.8 ha
• Bohernabreena Reservoir Lower8.3 ha
• Wavin Lake8.0 ha
• Lecklinstown Reservoir3.9 ha
• Portraine Asylum Reservoir2.6 ha
• Carp Lake1.6 ha
• Trout Lake1.1 ha

County Fermanagh

• Upper Lough MacNean10.28 km²
• Lower Lough MacNean3.91 km²
• Lough Scolban59.1 ha
• Castle Hume Lough54.7 ha
• Lough Nearty43.9 ha
• Kilturk Lough42.5 ha
• Mill Lough32.9 ha
• Ross Lough31.0 ha
• Kilmore Lough29.1 ha
• Lough Navar27.1 ha
• Lough Head27.0 ha
• Derrychree Lough25.5 ha
• Bunnahone Lough24.7 ha
• Drumgay Lough23.7 ha
• Moorlough23.3 ha
• Derrykerrib Lough23.1 ha
• Lough Eyes23.1 ha
• Sand Lough22.8 ha
• Carrick Lough22.8 ha
• Carran Lough22.8 ha
• Lough Rushen21.8 ha
• Derrymacrow Lough21.7 ha
• Cargin Lough20.2 ha
• Killyfole Lough19.9 ha
• Laragh Lough19.7 ha
• Cornabrass Lough18.0 ha
• Ballydoolagh Lough17.2 ha
• Meenameen Lough17.1 ha
• Mill Lough17.1 ha
• Coolyermer Lough16.9 ha
• Rossole Lough15.8 ha
• Race Course Lough15.5 ha
• Keenaghan Lough15.5 ha
• Nacallagh Lough15.1 ha
• Back Lough14.9 ha
• Inver Lough12.5 ha
• Lough Yoan12.1 ha
• Lough Acrussel11.2 ha
• Lough Coole11.1 ha
• Lough Lea9.3 ha
• Lough Natroey9.3 ha
• Black Lough8.7 ha
• Lough Narye8.5 ha
• Kilgarrow Lough8.2 ha
• Lough Formal8.2 ha
• Nalughoge Lough7.9 ha
• Lough Digh7.9 ha
• Kilmacbrack Lough7.6 ha
• Abacon Lough7.6 ha
• Friars Lough7.5 ha
• Lough Doo7.2 ha
• Lough Ora7.1 ha
• Drummully Lough6.8 ha
• Lough Jenkin6.8 ha
• Lough Derg6.7 ha
• Gola Lough6.6 ha
• Lough Cory6.4 ha
• Knockballymore Lough6.2 ha
• Derrnacarbit Lough5.9 ha
• Lough Naman5.9 ha
• Meenagleragh Lough5.9 ha
• Mount Sedborough Lough5.6 ha
• Lough Fadd5.5 ha
• Monawilkin Lough5.4 ha
• Coolnamorrow Lough5.4 ha
• Lough Skale5.3 ha
• Lough Nadarra5.2 ha
• Drumbominy Lough5.2 ha
• Toppedmountain Lough5.2 ha
• Lough Corban5.0 ha
• Lough Anierin5.0 ha
• Lough Aleen4.9 ha
• Ports Lough4.8 ha
• Derryhowlaght Lough4.5 ha
• Lough Namanfin4.3 ha
• Lough Asladee4.2 ha
• Dummys Lough4.2 ha
• Lough Aleater4.0 ha
• Carricknagower Lough3.9 ha
• Lough Sarah3.9 ha
• Lough Tawy3.9 ha
• Kilroosky Lough3.8 ha
• Back Lough3.8 ha
• Derrybeg Lough3.8 ha
• Wolf Lough3.6 ha
• Drumcose Lough3.6 ha
• Lough Avilly3.6 ha
• Arda Lough3.6 ha
• Drumacrittin Lough3.6 ha
• Lough Doo3.5 ha
• Lough Raymond3.3 ha
• Corragh Lough3.2 ha
• Paddock Lake3.1 ha
• Drumkirk Lough3.1 ha
• Drumroosk Lough3.1 ha
• Corracoash Lough3.0 ha
• Demesne Lough3.0 ha
• Lough Parabaun/Finnaun3.0 ha
• Killylackey Lough3.0 ha
• Lough Hamul3.0 ha
• Lough Atona2.9 ha
• Derrin Lough2.9 ha
• Corranny Lough2.9 ha
• Kimran Lough2.8 ha
• Lough Crowey2.8 ha
• Watsons Lough2.7 ha
• Killee Lough2.7 ha
• Aghnahinch Lough2.6 ha
• Lenaghan Lough2.6 ha
• Lough Achork2.6 ha
• Derrycanon Lough2.6 ha
• Black Lough2.5 ha
• Cornagague Lough2.5 ha
• Lough Kushkeery2.4 ha
• Doagh Lough2.4 ha
• Lough Mulderg2.4 ha
• Lough Nabodeen2.3 ha
• Ballaghmore Lough2.1 ha
• Carnmore Lough2.1 ha
• Lough Nabrickboy1.9 ha
• Tullywannia Lough1.9 ha
• Unshinagh Lough1.9 ha
• Rossbrick Lough1.9 ha
• Liscreevin Lough1.8 ha
• Ross Lough1.8 ha
• Tattycam Lough1.8 ha
• Lough Napeasta1.8 ha
• Drumbarow Lough1.8 ha
• Lough Alaban1.7 ha
• Lough Anierin1.7 ha
• Kinarla Lough1.7 ha
• Meenaghmore Lough1.6 ha
• Mallybreen Lough1.6 ha
• Lough Acrottan1.6 ha
• Lough Killygreen1.6 ha
• Drumyarkin Lough1.5 ha
• Cromaghy Lough1.5 ha
• Rathkeevan Lough1.5 ha
• Fardrum Lough1.5 ha
• Lough Corby1.4 ha
• Lough An Laban1.4 ha
• Rossdill Lough1.4 ha
• Annachullion Lough1.4 ha
• Black Lough1.3 ha
• Lough Mackan1.3 ha
• Black Lough1.3 ha
• Mullyduff Lough1.2 ha
• Lough Galliagh1.2 ha
• Tullyvogy Lough1.2 ha
• Lough-a-Hache1.2 ha
• Lyon's Lough1.2 ha
• Claranagh Lough1.1 ha
• Pound Lough1.1 ha
• Johnstown Lough1.1 ha
• Lough Nafeola1.1 ha
• Lough Blocknet1.0 ha

County Galway

• Lough Cutra3.79 km²
• Lough Inagh3.03 km²
• Lough Rea2.98 km²
• Lough Nafooey2.45 km²
• Derryclare lough2.15 km²
• Lough Fee1.70 km²
• Rahasane Turlough1.55 km²
• Glenicmurrin Lough1.48 km²
• Kylemore Lough1.34 km²
• Ross Lake1.33 km²
• Ardoe Lough1.02 km²
• Lough Anaserd83.0 ha
• Lettercraffroe Lough80.1 ha
• Glendollagh Lough79.6 ha
• Boliska Lough (Lower)79.6 ha
• Lough Skannive79.3 ha
• Ballyquirke Lough74.6 ha
• Ardderry Lough74.0 ha
• Killtullagh Lough73.2 ha
• Loch an Oileain Mhóir69.1 ha
• Lough Shindilla68.5 ha
• Lough Ballynakill60.6 ha
• Oorid Lough56.5 ha
• Coole Lough55.8 ha
• Lough Bollard52.0 ha
• Lough Inveragleragh51.7 ha
• Loch an Chraoibhín51.3 ha
• Lough Aughrusbeg50.0 ha
• Loughanillaun48.0 ha
• Lough Fadda46.4 ha
• Lough Cloonadoon45.6 ha
• Coolcam Lough45.0 ha
• Muckanagh Lough43.0 ha
• Tully Lough42.2 ha
• Lough Atalia41.7 ha
• Rathbaun Turlough41.7 ha
• Lough Hacket39.5 ha
• Levally Lough39.1 ha
• Lough Scannive39.1 ha
• Lough Bealacooan38.0 ha
• Lough Nahillion37.1 ha
• Lough Nasoodery West37.1 ha
• Loch an Mhuilinn36.1 ha
• Lough Emlaghnabehy35.5 ha
• Athry Lough34.7 ha
• Lough Naulla34.4 ha
• Muckanaghkillew Lough34.2 ha
• Lough Nagarrivhan33.3 ha
• Termon Lough33.2 ha
• Summerville Lough33.1 ha
• Buffy Lough29.1 ha
• Lough Auna29.0 ha
• Lough Nasoodery28.8 ha
• Knocka Lough28.0 ha
• Ballynakill Lough27.9 ha
• Lough Namroughania27.9 ha
• Lough Aclogher27.7 ha
• Lough Formoyle27.6 ha
• Lough Emlaghkeeragh27.5 ha
• Lough Hibbert27.3 ha
• Lough Naskeha27.3 ha
• Coolin Lough26.7 ha
• Lough Inch26.7 ha
• Ballaghdacker Lough26.0 ha
• Pollacappul Lough26.0 ha
• Barrowen Lough25.5 ha
• Derrylea Lough24.5 ha
• Seecon Lough23.7 ha
• Ballynakill Lough23.7 ha
• Lough Ugga Beg22.4 ha
• Lough Muck22.3 ha
• Loughanillaun22.1 ha
• Lough Crockaillenalee22.1 ha
• Lough Aconeera22.1 ha
• Lough Awallia21.6 ha
• Lough Agh21.6 ha
• Owengarve Lough20.6 ha
• Lough Aroolagh20.4 ha
• Lough Aliggan20.2 ha
• Loughaunfree20.1 ha
• Loughaunultera19.0 ha
• Lough Pibrum18.8 ha
• Glennaun Lough18.8 ha
• Fahy Lough18.7 ha
• Turlough Bryounagh18.5 ha
• Lough Nafurnace18.5 ha
• Lough Cuskeamatinny18.3 ha
• Beaghcauneen Lough18.3 ha
• Lough Anillaunlughy17.9 ha
• Lough Nabrucka17.6 ha
• Sruffaunvougheen Lough17.6 ha
• Lough Ugga More17.4 ha
• Inverbeg Lough17.2 ha
• Boolagare Lough17.0 ha
• Lough Sheedagh16.6 ha
• Polleagh Lake16.4 ha
• Ardderroo Lough16.2 ha
• Bovroughaun Lough15.9 ha
• Lough Barrcostello15.7 ha
• Lorgan Lough14.8 ha
• Lough Naweelan14.5 ha
• Park Lough14.4 ha
• Lough Rannaghaun14.1 ha
• Lough Ergooa14.0 ha
• Tullaghalaher Lough14.0 ha
• Callow Lough13.8 ha
• Rushenduff Lough13.8 ha
• Lough Carrafinla13.7 ha
• Slieveaneena Lough13.7 ha
• Lough Canagun13.7 ha
• Loch na nOileán13.6 ha
• Garraunbaun Lough13.6 ha
• Lough Avougheen13.5 ha
• Lough Adav13.5 ha
• Loughaunayella13.3 ha
• Loch Ghlas Sticín13.0 ha
• Lough Nambrackderg More12.6 ha
• Courhoor Lough12.5 ha
• Lough Awee12.3 ha
• Derrycunlagh More Lough12.2 ha
• Sruffnaconneelagh Lough11.4 ha
• Lough Caherglassaun11.3 ha
• Lough Owran11.3 ha
• Lough Fadda11.1 ha
• Lough Carrickillawallia11.0 ha
• Lough Ierin11.0 ha
• Lough Nacarrigeen11.0 ha
• Lough Namoon11.0 ha
• Loughaunweeny10.7 ha
• Lough Truskan10.3 ha
• Lough Adooraun10.3 ha
• Lough Knockaunawaddy10.2 ha
• Loughaunnagun10.1 ha
• Loch ó Dheas10.1 ha
• Lough Nasoodery East10.1 ha
• Lough Cloondola10.0 ha
• Nagilkagh Lough10.0 ha
• Rossaveel Lough9.9 ha
• Lough Nambrackmore9.8 ha
• Loughyvangan9.6 ha
• Lough Fadda9.6 ha
• Lough Nagraigue9.5 ha
• Lough Atalia9.5 ha
• Lough Awheelamore9.3 ha
• Illion Lough9.1 ha
• Tullaghlumman More Lough9.0 ha
• Loch na Tamhnaí Móire9.0 ha
• Lough Allinour8.9 ha
• Lough Nacrimina8.8 ha
• Lough Nambrackmore8.7 ha
• Lough Bealanambrack8.7 ha
• Lough More8.6 ha
• Lough Cong8.4 ha
• Lough Nagowan8.4 ha
• Lough Atinnyadda8.2 ha
• Doo Lough8.2 ha
• Lough Kip8.2 ha
• Lough Coy8.1 ha
• Glantarkan Lough8.1 ha
• Lough Derrycunlaghbeg8.0 ha
• Lough Atavamore7.9 ha
• Clogheragun Lough7.8 ha
• Lough Nambrackkeagh7.8 ha
• Lough Bofin7.7 ha
• Lough Lurgeen7.7 ha
• Lough Nafranka7.6 ha
• Cloonagat Lough7.6 ha
• Feaghran Lough7.5 ha
• Lough Naneeve7.4 ha
• Lough Lawna7.3 ha
• Loughaunbeg7.3 ha
• Lough Illauntrasna7.2 ha
• Lough Ouver7.1 ha
• Tullaghnafrankagh Lough6.9 ha
• Loughaunore6.8 ha
• Ballyagroun Lough6.8 ha
• Ballywalter Lough6.7 ha
• Lough Nahoga6.7 ha
• Tullaghnanoon Lough6.7 ha
• Bunnaboghee Lough6.7 ha
• Lough Fiddaunnavreaghlee6.6 ha
• Lough Loung6.5 ha
• Lough Nalareagh6.5 ha
• Lough Nambrackkeagh6.4 ha
• Lough Fadda6.4 ha
• Lough Namoreleen6.4 ha
• Lough Vauratruffaun6.4 ha
• Lough Usk6.4 ha
• Lough More6.3 ha
• Lough Faddanagraigue6.2 ha
• Lough Acreragh6.1 ha
• Kerryhill Lough6.1 ha
• Lough Ennahower6.0 ha
• Ballybwee Lough5.8 ha
• Loughaunemlagh5.8 ha
• Lough Nahalliagh5.8 ha
• Lough Nalawney5.7 ha
• Colman's Lough5.7 ha
• Lough Barrnahusk5.6 ha
• Lough Aknockaunglass5.6 ha
• Glenbrickeen Lough5.6 ha
• Lough Touther5.6 ha
• Ballindooly Lough5.6 ha
• Shantakeever Lough5.6 ha
• Ballyturin Lake5.5 ha
• Lough Damboo5.5 ha
• Lough Corraundahy5.4 ha
• Doo Lake5.4 ha
• Lough Shaungagh5.4 ha
• Lough Nahavnygarriva5.4 ha
• Lough Nawtawny5.3 ha
• Lough Nagraiguebeg5.1 ha
• Shannalecka Lough5.1 ha
• Horseleap Lough5.1 ha
• Lough Fhreaghaun5.0 ha
• Maumeenmaunragh Lough5.0 ha
• Lough Nevreaghoge5.0 ha
• Lough Nafiddaun4.9 ha
• Lough Glenn4.9 ha
• Lough Tee4.8 ha
• Lough Hemushmaconry4.7 ha
• Lough Fehina4.6 ha
• Loch an Iolra4.6 ha
• Coolhanigra Lough4.6 ha
• Toombeola Lough4.6 ha
• Lough Nanaugh4.5 ha
• Lough Navreaghly4.5 ha
• Lough Cregg4.5 ha
• Lough Madderiska4.5 ha
• Lough Ederaucruck4.4 ha
• Lough Aughagaddy4.3 ha
• Loughaunalyer4.3 ha
• Lough Nadullagh4.3 ha
• Lough Nacreeva4.2 ha
• Doon Lough4.2 ha
• Lough Creevagh4.1 ha
• Loughaundoongorey4.1 ha
• Dooletter Lough4.1 ha
• Lough Naclogh4.1 ha
• Carheeny Lough4.1 ha
• Turlough Bodarrig4.1 ha
• Bunavohaun Lough4.0 ha
• Lough Atooreen4.0 ha
• Lougharlaureen4.0 ha
• Shannaviara Lough4.0 ha
• Lough Emlagh4.0 ha
• Shannaghree Lough3.9 ha
• Loch na bhFraochóg3.9 ha
• Lough Nakilla3.9 ha
• Lough Briskeen3.9 ha
• Lough Kip3.9 ha
• Lough Namucka3.8 ha
• Lough Naguroge3.8 ha
• Lough Clogherbowbartleymede3.8 ha
• Shannadonnell Lough3.8 ha
• Lough Carrick3.7 ha
• Lough Achuss3.7 ha
• Lough Fawna3.7 ha
• Knappagh Lough3.6 ha
• Glenaruidmore Lough3.6 ha
• Cloonabartan Lough3.6 ha
• Lough Nalannagh3.6 ha
• Lough Hasvnaghaneekyne3.6 ha
• Lough Lacknavreaghly3.6 ha
• Cloonalroon Lake3.5 ha
• Lough Nabrough3.5 ha
• Manninmore Lough3.5 ha
• Lough Bonramush3.5 ha
• Lough Fadanagrav3.5 ha
• Lough Naneevin3.5 ha
• Loughbeg3.5 ha
• Lough Atavabeg3.4 ha
• Lough Nambrackmore3.3 ha
• Tullaghlumman Beg Lough3.3 ha
• Lough Aderreen3.3 ha
• Lough Atawny3.2 ha
• Lough Tanny3.2 ha
• Lough Arerdun3.2 ha
• Lough Atruffaungarr3.2 ha
• Lough Wheelaun3.2 ha
• Lough Mall3.1 ha
• Lough Nambrackmore3.1 ha
• Kane's Lough3.1 ha
• Lough Aleen3.1 ha
• Lough Doo3.1 ha
• Annagh Lough3.1 ha
• Lough Tawny3.1 ha
• Lough Traska3.0 ha
• Lough Nacallagy3.0 ha
• Lough Atrohaunderg3.0 ha
• Lough Derreenacummer3.0 ha
• Saineaghmore Lough2.9 ha
• Creggauns Lough2.9 ha
• Lough Enask2.9 ha
• Lough Glannanirwarve2.9 ha
• Loughaunlea2.9 ha
• Lough Poll2.9 ha
• Lough Maladrolaun2.9 ha
• Lough Atuartaun2.9 ha
• Lough Alurgan2.8 ha
• Lough Animma2.8 ha
• Knocknabrocky Lough2.8 ha
• Loughaunierin2.8 ha
• Loughauneala2.7 ha
• Lough Nahownbigga2.7 ha
• Beggarmans Lough2.7 ha
• Lough Agar2.6 ha
• Lough Kinlea2.6 ha
• Lough Drama2.6 ha
• Loch na Feannóige2.6 ha
• Loughauneeghaun2.6 ha
• Barnahallia Lough2.6 ha
• Loch an Fhiolair2.6 ha
• Lough Nambrackderg Beg2.6 ha
• Lough Maunadarree2.6 ha
• Church Lake2.6 ha
• Lough Pollalahey2.5 ha
• Lough Namunagh2.5 ha
• Lough Truskeena2.5 ha
• Lough Agaddy2.5 ha
• Lough Donoghmeave2.4 ha
• Lough Amunagh2.4 ha
• Loughaugtavalla2.4 ha
• Lough Ateeaun2.4 ha
• Lough Aslaun2.4 ha
• Whitehillock Lough2.4 ha
• Clogheratinny Lough2.4 ha
• Lough Enoer2.4 ha
• Knockboy Lough2.4 ha
• Lough Dooey2.3 ha
• Lough Nambrackderg2.3 ha
• Turloughcor2.3 ha
• Lough Down2.3 ha
• Loughapollboy2.3 ha
• Derrynea Lough2.3 ha
• Lough Naweelan Beg2.3 ha
• Lough Sruffauncam2.3 ha
• Corralough2.3 ha
• Drum Lough2.2 ha
• Lough Namapawaun2.2 ha
• Lough Tawnynalaraghroe2.2 ha
• Shanemore's Lough2.2 ha
• Lough Nabeeba2.1 ha
• White Lough2.1 ha
• Lough Crockaillenalee South2.1 ha
• Lough Derreenanarta2.1 ha
• Lough Ardanmore2.1 ha
• Lough Killa2.1 ha
• Lough Acraunnereen2.0 ha
• Lough Emlaghatlere2.0 ha
• Eagles Lough2.0 ha
• Lough Corneal2.0 ha
• Lough Breenbannia2.0 ha
• Lough Creggaun1.9 ha
• Lough Nacloghabanna1.9 ha
• Lough Belsrah1.9 ha
• Lough Oughter1.8 ha
• Rosroe Lough1.8 ha
• Lough Keeraun1.8 ha
• Knockaunbaun Lough1.8 ha
• Lough Avalla1.7 ha
• Namugga Loughs1.7 ha
• Lough Nasaun1.7 ha
• Lough Shancullen1.7 ha
• Lough Ederdauslieve1.6 ha
• Lough Fadda1.6 ha
• Scarriff Lough1.6 ha
• Lough Nagap1.6 ha
• Brick Lough1.6 ha
• Lough Begnagrav1.6 ha
• Lough Aluggaun1.6 ha
• Loichín an tSionnaigh1.6 ha
• Woody Lough1.5 ha
• Uggool Lough1.5 ha
• Lisrivis Lough1.5 ha
• Lough Tawnagreggaun1.5 ha
• Lough Faddacrussan1.5 ha
• Lough Naboley1.5 ha
• Boliska Lough (Upper)1.5 ha
• Lough Shemus1.5 ha
• Lough Doon1.5 ha
• Lough Doo1.5 ha
• Lough Minnaun1.5 ha
• Polladooey Loughs1.4 ha
• Loch na gCaisleach1.4 ha
• Lough Nambrackmore1.4 ha
• Loughaunanilra1.4 ha
• Lough Naneeve1.3 ha
• Annagh Lough1.3 ha
• Lough Acreera1.3 ha
• Lough Sallagh1.3 ha
• Loughauneanillaun1.3 ha
• Lough Altidarra1.3 ha
• Loughaunewa1.3 ha
• Loughaunrone1.3 ha
• Ballinlass Lough1.2 ha
• Carheeny Lough1.2 ha
• Lough Sillagh1.2 ha
• Tawnaghbeun Lough1.2 ha
• Tullynaman Lough1.2 ha
• Lough Natoran1.2 ha
• Pollaneask Turlough1.2 ha
• Lough Tawnybeg1.2 ha
• Lough Nahask1.2 ha
• Loughaniddaun1.1 ha
• Lough Derreendarra1.1 ha
• Wood Lough1.1 ha
• Lake Gowlanagower1.1 ha
• Lough Aceelagh1.1 ha
• Carrowndulla Lough1.0 ha
• Lough Nacreeva1.0 ha
• Lough Nagilkey1.0 ha
• Lough Nagilky1.0 ha

County Kerry

• Lough Currane10.17 km²
• Lough Guitane2.51 km²
• Derriana Lough2.35 km²
• Lough Gill1.32 km²
• Cloonaghlin Lough1.27 km²
• Coomasaharn Lake79.3 ha
• Cloon Lough75.4 ha
• Lough Inchiquin75.2 ha
• Cloonee Lough Middle68.1 ha
• Lough Yganavan66.2 ha
• Lough Acoose65.8 ha
• Glenmore Lake54.9 ha
• Coomaglaslaw Lake51.3 ha
• Lough Namona44.1 ha
• Cloonee Lough Upper41.5 ha
• Isknagahiny Lough39.3 ha
• Lough Reagh32.0 ha
• Lough Cruttia25.9 ha
• Annascaul Lake25.3 ha
• Lough Brin24.2 ha
• Lough Iskanamacteery23.3 ha
• Cloonee Lough Lower22.5 ha
• Looscaunagh Lough22.4 ha
• Reenydonagan Lake22.3 ha
• Coomnacronia Lake22.0 ha
• Coomlougha Lough19.9 ha
• Lough Callee17.4 ha
• Lough Adoon17.1 ha
• Lough Erhogh15.1 ha
• Lough Fadda14.9 ha
• Lough Coomeathcun13.7 ha
• Lough Barfinnihy13.5 ha
• Lough Curraghmore12.1 ha
• Tooreenbog Lough12.0 ha
• Clogharee Lough11.3 ha
• Cummer Lough11.1 ha
• Lough Slat10.8 ha
• Coomrooanig Lough10.7 ha
• Lough Cummernamuck10.6 ha
• Lough Nambrackdarrig10.4 ha
• Lough Caum10.0 ha
• Devil's Punchbowl9.4 ha
• Eagles Lough9.3 ha
• Lough Managh8.4 ha
• Loch Chom Callain8.3 ha
• Lough Eagher8.0 ha
• Coomeeneragh Lake7.8 ha
• Lough Gouragh7.8 ha
• Black Lake7.8 ha
• Lough Duff7.5 ha
• Eirk Lough7.2 ha
• Coumanare Lakes7.0 ha
• Auger Lake6.7 ha
• Dromtine Lough6.6 ha
• Lough Acummeen6.6 ha
• Coomavaranniha Lough6.6 ha
• Lough Cummeennapeasta6.5 ha
• Glan Lough6.4 ha
• Crohane Lake6.2 ha
• Lough Beg6.2 ha
• Lough Reagh6.1 ha
• Lough Acummeen5.9 ha
• Lough Duff5.9 ha
• Doo Lough5.8 ha
• Glannafreaghaun Lough5.6 ha
• Lough Cappanalea5.4 ha
• Coumanare Lakes5.1 ha
• Glan Lough4.7 ha
• Lough Fada4.7 ha
• Lough Coomeen4.7 ha
• Lough Coomnacronia4.5 ha
• Kells Lough4.1 ha
• Coumanare Lakes4.1 ha
• Kilbrean Lake4.0 ha
• Cushvally Lake4.0 ha
• Mount Eagle Lough4.0 ha
• Farrantoreen Lough3.9 ha
• Doo Lough3.9 ha
• Glas Loughs3.9 ha
• Lough Googh3.9 ha
• Lough Nafanida3.9 ha
• Lough Beg3.8 ha
• Lough Nabrean3.7 ha
• Coomcloghaun Lake3.7 ha
• Coomnagrossaun Lake3.6 ha
• Lough Fineen3.5 ha
• Lough Avoonane2.9 ha
• An Loch Mór2.9 ha
• Glas Loughs2.9 ha
• Lough Nambrackdarrig Nature Reserve2.6 ha
• Roads Lough2.6 ha
• Lough Eighter2.4 ha
• Lough Doon2.4 ha
• Keamnabricka Lake2.3 ha
• Lough Nambrackdarrig2.2 ha
• Loch Chom Callain2.2 ha
• Coom Lough2.2 ha
• Lough Nambrackdarrig2.2 ha
• Lough Gal2.1 ha
• Lough Nellinane2.1 ha
• Lough Nabroda2.1 ha
• Lough Keal2.0 ha
• Lockagh Lake2.0 ha
• Coolnacullen Lake1.5 ha
• Lough Nagarriva1.4 ha
• Lough Licka1.4 ha
• Lough Carrignamork1.4 ha
• Lough Nacunna1.4 ha
• Lough Nageeha1.3 ha
• Triangle Lake1.3 ha
• Lough Sallagh1.2 ha
• Lough Aclearig1.2 ha
• Lough Coomcurranr1.1 ha
• Derrymore Lake1.1 ha
• Doo Loughs1.1 ha
• Lough Dreenaun1.0 ha

County Kildare

• Golden Falls Reservoir24.1 ha
• Gilltown Lake4.5 ha

County Kilkenny

• Galmoy Mine34.0 ha
• Lough Cullen5.1 ha
• Discovery Park Lake1.8 ha

County Laois

• Ballyfin Lake11.0 ha
• Kellyville Lake3.9 ha
• Mass Lough2.5 ha
• Little Bog Lake1.4 ha

County Leitrim

• Lough Bofin4.93 km²
• Garadice Lake3.85 km²
• Rinn Lough1.74 km²
• Lough Corry1.26 km²
• Lough Scur1.21 km²
• Glencar Lough1.14 km²
• Gulladoo Lough86.4 ha
• Kiltybardan Lough82.7 ha
• Drumlaheen Lough74.0 ha
• Rowan Lough49.2 ha
• Drumgilra Lough46.3 ha
• Keshcarrigan Lough39.5 ha
• Keenheen Lough33.1 ha
• Loughtown Lough32.6 ha
• Lattone Lough31.8 ha
• Keeldra Lough31.6 ha
• Drumcoura Lough31.2 ha
• Adoon Lough31.2 ha
• Lough MacHugh30.5 ha
• Drumlaheen Lough29.2 ha
• Camagh Lough28.4 ha
• Munakill More Lough25.6 ha
• Lough Nacarriga23.2 ha
• Calloughs Lough23.1 ha
• Drumcollop Lough22.9 ha
• Lough Donogher22.0 ha
• Killameen Lough19.3 ha
• Annaghearly Lough17.7 ha
• Greenagh Lough17.3 ha
• Lough Reane16.5 ha
• Kilnamar Lough16.4 ha
• Seltan Lough15.0 ha
• Fearglass Lough13.9 ha
• Gortconnellan Lough13.6 ha
• Cullies Lough13.3 ha
• Lough Bran13.3 ha
• Cloonboniagh Lough13.2 ha
• Corrachoosaun Lough13.1 ha
• Drumlonan lough13.0 ha
• Doon Lough12.4 ha
• Drumroosk Lough11.9 ha
• Mahanagh Lough10.6 ha
• Lough Kip10.4 ha
• Scardaun Lough10.2 ha
• Corgar Lough10.1 ha
• Cloorcorick Lough9.1 ha
• Bolganard Lough9.0 ha
• Drumlea Lough8.7 ha
• Lough Cam8.4 ha
• George's Lough8.0 ha
• Carrickevy Lough7.6 ha
• Carrigallen Lough7.4 ha
• Bog Lough7.3 ha
• Laheen Lough7.2 ha
• Acres Lough6.9 ha
• Lackagh Lough6.9 ha
• Headford Lough6.5 ha
• Lough Yugan6.4 ha
• Effrinagh Lough6.4 ha
• Sandy Lough6.2 ha
• Roscunnish Lough6.1 ha
• Kilmaddaroe Lough6.0 ha
• Lough Natire5.9 ha
• Black Lough5.9 ha
• Drumgorman Lough5.7 ha
• Killyfea Lough5.0 ha
• Drumard Lough4.6 ha
• Lough Moodrike4.5 ha
• Lough Awaddy4.4 ha
• Lough Nagloghderg4.1 ha
• Aghakilconnell Lough4.1 ha
• Drumkeelan Lough3.9 ha
• Costre Lough3.7 ha
• Callowhill Lough3.7 ha
• Ardmeenan Lough3.7 ha
• Arroo Lough3.6 ha
• Derreenavoggy Lough3.5 ha
• Lough Doo3.3 ha
• Lough Tiernan3.2 ha
• Lough Nabrack3.2 ha
• Lough Naweeloge2.9 ha
• Meenagraun Lough2.8 ha
• Kiltyfannon Lough2.6 ha
• Gangin Lough2.6 ha
• Mullaghboy Lough2.5 ha
• Derryhallagh Lough2.5 ha
• Lough Moreoge2.4 ha
• Corduff Lough2.2 ha
• Lough Adorn2.1 ha
• Cloone Lough2.1 ha
• Lough Strand2.0 ha
• Killooman Lough2.0 ha
• Black Lough2.0 ha
• Lustia Lough1.9 ha
• Derrynahoo Lough1.8 ha
• Corrala Lough1.7 ha
• Cullentragh Lough1.7 ha
• Lough Avanny1.7 ha
• Lough Cronogue1.6 ha
• Gubagraffy Lough1.5 ha
• Drumergoogle Lough1.5 ha
• Funshinagh Lough1.4 ha
• Lough Aderreen1.4 ha
• Mosy's Lough1.4 ha
• Deans Lough1.4 ha
• Carrickslavan Lough1.4 ha
• Tully Lough1.3 ha
• Cloonlogher Lough1.3 ha
• Cloonclivvy Lough1.2 ha
• Lough Nabellbeg1.2 ha
• Tullinloughan Lough1.1 ha
• Lough Adunny1.0 ha

County Limerick

• Lough Gur72.2 ha
• Bleach Lough16.8 ha
• Doohyle Lough10.4 ha
• Milltown Lake8.8 ha
• Lough Nagirra4.0 ha
• Blue Lake3.1 ha
• Ballymorrisheen Lough1.4 ha

County Londonderry

• Lough Fea60.5 ha
• Altnaheglish Reservoir25.0 ha
• Ballinrees Reservoir22.9 ha
• Enagh Lough14.1 ha
• Killea Reservoir8.1 ha
• Creggan Reservoirs4.5 ha
• Dunalis Reservoir4.4 ha
• Kathleen's Lough4.4 ha
• Binevenagh3.9 ha
• Creggan Reservoirs3.7 ha
• Island Lake3.7 ha
• New Lake2.2 ha
• Lough Ouske2.1 ha
• Killelagh Lough2.0 ha
• Green Lake1.9 ha
• Lough Patrick1.7 ha

County Longford

• Lough Sallagh47.5 ha
• Annagh Lough31.4 ha
• Lower Lough30.6 ha
• Drumshanbo Lough28.2 ha
• Currygrane Lough21.1 ha
• Lough Naback11.6 ha
• Gurteen Lough9.8 ha
• Guinikin Lough7.4 ha
• Killeen Lough7.4 ha
• Durracaun Lough5.2 ha
• Leebeen Lough5.1 ha
• Enaghan Lough4.2 ha
• Clooneen Lough4.1 ha
• Ballin Lough3.8 ha
• Cloonfin Lough1.1 ha
• Lough Slaven1.0 ha

County Louth

• Rathescar Lake5.7 ha
• Drumcah Lough5.1 ha
• Barnattin Reservoir2.9 ha
• Cortial Lough2.3 ha
• Lough Anmore1.4 ha
• Tropass Lough1.3 ha

County Mayo

• Lough Carra15.63 km²
• Lough Cullin10.02 km²
• Carrowmore Lake9.37 km²
• Beltra Lough4.12 km²
• Lough Feeagh3.97 km²
• Furnace Lough1.83 km²
• Doo Lough1.53 km²
• Islandeady Lough1.42 km²
• Levally Lough1.22 km²
• Urlar Lough1.11 km²
• Cross Lough1.01 km²
• Island Lake99.1 ha
• Keel Lough84.4 ha
• Lough Lannagh79.0 ha
• Lough Glenawough70.9 ha
• Castle Lake64.5 ha
• Carrowmore Lough62.1 ha
• Lough Dahybaun58.5 ha
• Tawnyard Lough54.4 ha
• Derryhick Lough52.9 ha
• Carrowkeribly Lough49.8 ha
• Lough Nanoge46.8 ha
• Bunaveela Lough45.6 ha
• Ballymore Lough45.3 ha
• Walshpool Lough41.7 ha
• Lough Roe40.7 ha
• Lough Nacorra39.2 ha
• Roonah Lough39.2 ha
• Moher Lough39.0 ha
• Lougherglass38.8 ha
• Levallinree Lough36.3 ha
• Callow Lough Lower34.8 ha
• Corryloughaphuill Lough33.8 ha
• Ballin Lough33.6 ha
• Glencullin Lough33.4 ha
• Clogher Lough33.3 ha
• Lugacolliwee Lough33.3 ha
• Termoncarragh Lake33.1 ha
• Callow Lough Upper30.2 ha
• Lough Nageltia29.9 ha
• Lough Muck29.3 ha
• Lough Nacorralea29.0 ha
• Cloonagh Lough28.2 ha
• Lough Nadirkmore26.6 ha
• Lough Mallard23.9 ha
• Lough Naminnoo21.8 ha
• Derry Lough21.4 ha
• Cullentragh Lough21.4 ha
• Leam Lough21.0 ha
• Bekan Lough20.7 ha
• Drumleen Lough20.5 ha
• Knappaghbeg Lough20.1 ha
• Lough Brolly16.9 ha
• Killadeer Lough16.5 ha
• Lough Gall15.9 ha
• Sraheens Lough15.9 ha
• Doo Lough15.3 ha
• Lough Acorrymore15.2 ha
• Dambaduff Lough13.8 ha
• Lough Ard13.7 ha
• Loch Dubh13.4 ha
• Fin Lough13.4 ha
• Lough Kip13.3 ha
• Cross Lough13.2 ha
• Derrynafreva Lough13.2 ha
• Lough Alick13.2 ha
• Lough Caheer13.1 ha
• Tawny Lough12.7 ha
• Buncam Lough12.6 ha
• Lough Nahallora12.6 ha
• Lakelands Lake12.5 ha
• Sraheena Lough11.3 ha
• Carrownacon Lough11.2 ha
• Lakeland Lough11.2 ha
• Kinlooey Lough10.9 ha
• Lough Anaffrin10.8 ha
• Knockaglana Lough10.6 ha
• Lough Nanannagh10.6 ha
• Cooley Lough10.5 ha
• Loch na mBreac9.9 ha
• Pollnahavany Lough9.8 ha
• Cloon Lough9.5 ha
• Carrownacon Lough9.3 ha
• Lough Cahasy9.0 ha
• Tuckers Lough8.8 ha
• Lough Nakeeroge8.7 ha
• Loughanlea8.6 ha
• Lough Fadda8.5 ha
• Derrintin Lough8.4 ha
• Lough Nambrackkeagh8.2 ha
• Loughaun8.1 ha
• Loughanaveeny8.0 ha
• Lough Adreen7.9 ha
• Croaghcroam Lough7.9 ha
• Drumsleed Loughs7.9 ha
• Attiappleton Lough7.9 ha
• Cloonakillina Lough7.9 ha
• Lough Cunnel7.9 ha
• Black Lough7.7 ha
• Scardaun Lough7.7 ha
• Saleen Lough7.7 ha
• Lough Gall7.3 ha
• Lough Naspleenagh7.3 ha
• Lough Rusheen7.3 ha
• Lough Baun7.3 ha
• Killaturly Lough7.2 ha
• Dooaghtry Lough6.8 ha
• Lough Annamona6.8 ha
• Cuiltybo Lough6.7 ha
• Crocknacloy Lough6.6 ha
• Lough Gull6.4 ha
• Cloonturnaun Lough6.4 ha
• Derrykin Lough6.3 ha
• Lough Pollagerdy6.1 ha
• Drumman Lough6.0 ha
• Cuilmore Lough5.9 ha
• Curryaphreaghaun Lough5.9 ha
• Carrigeen Lough5.9 ha
• Lough Skahaghadrantan5.9 ha
• Dirkbeg Lough5.9 ha
• Lough Fadda5.8 ha
• Cloonboorhy Lough5.7 ha
• Drumneen Lough5.7 ha
• Lough Doo5.5 ha
• Loughnambrackkagh5.5 ha
• Lough Sallagher5.4 ha
• Lough Gall5.3 ha
• Drumneen Lough5.2 ha
• Lough Naguroga5.1 ha
• Roosky Lough5.1 ha
• Lough Nalaghan5.0 ha
• Lough Nakearoge5.0 ha
• Cloghvoley Lough5.0 ha
• Cashel Turlough4.9 ha
• Carrowbeg Lough4.9 ha
• Mayfield Lough4.9 ha
• Cloonagh Lough4.6 ha
• Gorteen Lough4.6 ha
• Lough Nagoyne4.6 ha
• Lough Cullydoo4.6 ha
• Cashel Lough4.5 ha
• Lough Nacapduff4.5 ha
• Aille Lough4.3 ha
• Drumgoney Lough4.3 ha
• Derryhillagh Lough4.3 ha
• Lough Nambrackkeagh4.3 ha
• Lough Ard4.2 ha
• Turloughaclara4.2 ha
• Lough Clevala4.2 ha
• Broad Lough4.2 ha
• Lough Laur4.1 ha
• Lough Nambrackeagh4.1 ha
• Clare Lough4.1 ha
• Loughanduff Big4.0 ha
• Loughanboy4.0 ha
• Cartron Lough4.0 ha
• Shruhillbeg Lough3.9 ha
• Carheenbrack Lough3.9 ha
• Lough Naprasky3.9 ha
• Lough Dean3.9 ha
• Lough Nambrock3.9 ha
• Shammer Lough3.8 ha
• Annagh Loughs3.8 ha
• Coolbareen Lough3.7 ha
• Middle Lough3.7 ha
• Lough Nambrackkeagh3.7 ha
• Lough Lee3.7 ha
• Creggaballagh Lough3.7 ha
• Lough Ben3.6 ha
• Derreen Lough3.6 ha
• Richards Lough3.6 ha
• Lough Doo3.5 ha
• Cuilmore Lough3.5 ha
• Drumminahaha Lough3.5 ha
• Glendaduff Lough3.4 ha
• Lough Nabrock3.4 ha
• Creggan Lough3.3 ha
• Derreen Lough3.3 ha
• Needhams Lough3.3 ha
• Curragh Lough3.3 ha
• Fossea Lough3.3 ha
• Corranabinna Lough3.3 ha
• Lough Namara3.2 ha
• Bunnafreva Lough West3.2 ha
• Mweelin Lough3.1 ha
• Lough Holan3.1 ha
• Lough Nasnadda3.0 ha
• Lough Nahelly3.0 ha
• Lough Nacrom2.9 ha
• Peenoge Lough2.9 ha
• Lough Anaffrin2.9 ha
• Lough Duff2.9 ha
• Slievenagark Lough2.9 ha
• Lough Nambrackkeagh2.9 ha
• Lough Namuka2.8 ha
• Doogan Lough2.7 ha
• Lough Doovoga2.7 ha
• Lough More2.6 ha
• Cogaula Lough2.6 ha
• Lough Frank2.6 ha
• Cloontarriff Lough2.6 ha
• Knockcurran Lough2.6 ha
• Lough Nambruckkeagh2.5 ha
• Loughnapastia2.5 ha
• Lough Alone2.5 ha
• Loughalacka2.5 ha
• Carrownamallaght Lough2.5 ha
• Dooniver Loughs2.4 ha
• Lough More2.4 ha
• Tonlegee Lough2.4 ha
• Lough Brack2.4 ha
• Derrynaherriva Lake2.3 ha
• Lough Meelick2.3 ha
• Lough Kilnabinnia2.3 ha
• Derrintaggart Lough2.3 ha
• Lough Greney2.3 ha
• Black Lough2.3 ha
• Derrygarvebeg Lough2.3 ha
• Lough Agawna2.2 ha
• Lough Nagappul2.2 ha
• Lough Coghlan2.2 ha
• Loughaunnalan2.2 ha
• Lough Bellawaum2.2 ha
• Crossard Lough2.2 ha
• Annagh Lough2.1 ha
• Lough Akeal2.1 ha
• Lough Sallagh2.1 ha
• Lough Galavill2.1 ha
• Lough Aroher2.1 ha
• Lough Gall2.1 ha
• Lough Nambrackkagh2.0 ha
• Levally Lough2.0 ha
• Lough Doo1.9 ha
• Cloonacurry Lough1.9 ha
• Lough Crunnan1.9 ha
• Derrycreen Loughs1.9 ha
• Lough Caldragh1.9 ha
• Lough Fadda1.9 ha
• Lough Gower1.9 ha
• Cloondeash Lough1.8 ha
• Derrykill Lough East1.8 ha
• Carrowbeg Lough1.8 ha
• Lough Gall1.8 ha
• Lough Nadalloge1.7 ha
• Shanclogh Lough1.7 ha
• Winnie Langans Lough1.7 ha
• Lough Cam1.7 ha
• Bleachyard Lough1.7 ha
• Loch Fidgel1.7 ha
• Black Lough1.7 ha
• Lough Nafaran1.7 ha
• Black Lough1.7 ha
• Ballycong Lough1.6 ha
• Loughanshee1.6 ha
• Loughdathlee1.6 ha
• Lough Coolaknick1.6 ha
• Cravey's Lough1.6 ha
• Lough Adamacleveen1.5 ha
• Lough Brennan1.5 ha
• Gibsons Lough1.5 ha
• Ballynacarrick Lough1.5 ha
• Tullamore Lough1.5 ha
• Lough More1.5 ha
• Lough Nameeroge1.5 ha
• Loughauntiddaunbuntack1.5 ha
• Lough Athancallin1.4 ha
• Rinn Lough1.4 ha
• Duffy's Lough1.4 ha
• Lough Namaroon1.4 ha
• Lough Conlegget1.4 ha
• Pollbaun Lough1.4 ha
• Lough Navroony1.4 ha
• Derrybrock Lough1.4 ha
• Cuiltybobigga Lough1.4 ha
• Mayfield Lough1.3 ha
• Carrickawaddy Lough1.3 ha
• Lough Nacrumpaun1.3 ha
• Crohery Lough1.3 ha
• Pollboy Lough1.3 ha
• Lough Nabo1.3 ha
• Glennamaddoo Lough1.3 ha
• Loughanarcillin Loughs1.2 ha
• Fir Lough1.2 ha
• Cloonyvollow Lough1.2 ha
• Cartoon Lough1.2 ha
• Castlereach Lough1.2 ha
• Bunnafreva Lough East1.2 ha
• Lettereen Lough1.2 ha
• Lough Darrdun1.2 ha
• Cappagh Lough1.2 ha
• Lough Aglimmy1.1 ha
• Lough Nambrackkeagh1.1 ha
• Tawnytruffaun Lough1.1 ha
• Doontrusk Lough1.1 ha
• Glasheens Lough1.1 ha
• Cornacarta Lough1.1 ha
• Lough Cuagh1.1 ha
• Doon Lough1.1 ha
• Srahmeen Lough1.1 ha
• Loughmore1.1 ha
• Lough Cat1.0 ha
• Lough Nadramina1.0 ha
• Bob Gay's Lough1.0 ha
• Loch mór1.0 ha
• Lough Drumderg1.0 ha
• Lough Naweeloge1.0 ha
• Lough Ougther1.0 ha

County Meath

• Lough Sheelin18.27 km²
• Whitewood Lough25.2 ha
• Annagh or White Lough23.0 ha
• Ballyhoe Lough13.2 ha
• Ervey Lough11.8 ha
• Lough Bracken8.2 ha
• Corstown Lough Great8.0 ha
• Breaky Lough7.5 ha
• Newcastle Lough7.0 ha
• Creeve Lough5.7 ha
• Lough Glass North4.5 ha
• Mentrim Lake3.8 ha
• Croboy Lough3.4 ha
• White Lough3.3 ha
• Larch Hill Lake3.0 ha
• Breakey Lough Little2.5 ha
• Lough Doo2.3 ha
• Lake Rockfield2.3 ha
• White Quarry Pond1.6 ha
• Mandistown Lough1.5 ha
• Maperath Farm Ponds North1.5 ha
• Maperath Farm Ponds North1.1 ha

County Monaghan

• Lough Muckno3.58 km²
• Lough Egish1.18 km²
• Inner Lough60.0 ha
• Emy Lough51.0 ha
• Drumlona Lough49.7 ha
• Annaghmakerig Lough35.7 ha
• Mullanary Lough35.3 ha
• Lough Fea30.7 ha
• Shantonagh Lough28.8 ha
• Derrygoony Lough23.9 ha
• Lough More22.9 ha
• Lough Major22.1 ha
• Long Lough20.2 ha
• Creeve Lake18.8 ha
• Lough Nagarnaman18.8 ha
• Annagose Lough17.1 ha
• Monalty Lough17.1 ha
• Greaghlone Lough16.7 ha
• Rahans Lough16.4 ha
• Kilcorran Lough15.2 ha
• Corkeeran Lough13.1 ha
• Lough Naglack11.4 ha
• Drumate Lough11.3 ha
• Spring Lough10.8 ha
• Clossagh Lough9.3 ha
• Lambs Lough9.1 ha
• Drumgole Lough8.5 ha
• Clonkeen Lough8.4 ha
• Creeve Lake Upper8.3 ha
• Feagh Lough8.2 ha
• Lough Oony8.1 ha
• Corravoo Lough7.9 ha
• Descart Lough7.2 ha
• Bock's Lough7.1 ha
• Drum Lough7.1 ha
• Doohat Lough6.9 ha
• Saint Peter's Lough6.9 ha
• Drumhay Lough6.0 ha
• Capragh Lough5.9 ha
• Blackraw Lough5.7 ha
• Corconnelly Lough5.5 ha
• Ballagh Lough5.5 ha
• Magherarny Lough5.5 ha
• Quig Lough5.4 ha
• Corcaghan Lough5.4 ha
• Killynenagh Lough5.4 ha
• Shankill Lough5.3 ha
• Lough Antrawer5.2 ha
• Mont Louise Lake5.2 ha
• Bishop's Lough5.2 ha
• Gortnawinny Lough5.2 ha
• Tullyallen Lough4.7 ha
• Six Mile Lake4.7 ha
• Cashlan Lough4.7 ha
• Drumsaul Lough4.5 ha
• Roosky Lough4.4 ha
• Priestfield Lough4.4 ha
• Boraghy Lough4.3 ha
• Quarry Lough4.3 ha
• Greagh Lough4.2 ha
• Lough Gail4.2 ha
• Coolkill Lough4.1 ha
• Drumgristin Lough3.9 ha
• Creevy Lough3.9 ha
• Comertagh Lough3.8 ha
• Knockaturly Lough3.8 ha
• Cornaglare Lough3.7 ha
• Lisabuck Lough3.7 ha
• Lagan Lough3.6 ha
• Lough Bougagh3.6 ha
• Mullaghinshigo Lough (North)3.4 ha
• Hilton Lough3.4 ha
• Rafinny Lough3.2 ha
• Laurel Lough3.1 ha
• Carrickaslane Lough3.0 ha
• Tievaleny Lough3.0 ha
• Lisanisk Lake3.0 ha
• Clen Lough2.9 ha
• Monmurry Lough2.8 ha
• Aghnasedagh Lough2.8 ha
• Summerhill Lough2.7 ha
• Tully Lough2.7 ha
• Mill Lough2.7 ha
• Lough Dermot2.6 ha
• Kilmore Lake2.6 ha
• Castle Lake2.6 ha
• Lough Derry2.6 ha
• Aghafin Lough2.5 ha
• Lough Bradan2.5 ha
• Attiduff Lough2.4 ha
• Billary Lough2.4 ha
• Munnilly Lough2.3 ha
• Drumloo Lough2.2 ha
• Mullaglassan Lough2.2 ha
• White Lough2.1 ha
• Lismagonway Lough2.1 ha
• Drumsnat Lough2.1 ha
• Taplagh Lough2.0 ha
• Mullaghinshigo Lough (South)2.0 ha
• Decoy2.0 ha
• Drumreask Lough2.0 ha
• Annyalty Lough1.9 ha
• Mullaghard Lough1.9 ha
• Coaghen Lough1.8 ha
• Burdautien Lough1.8 ha
• Tirnahinch Lough1.8 ha
• Drumgoast Lough1.7 ha
• Carrivetragh Lough1.6 ha
• Drumboory Lough1.6 ha
• Lough Clegg1.5 ha
• Tattincake Lough1.5 ha
• Lakeview Lough1.5 ha
• Corcrin Lough1.5 ha
• Rose Lough1.4 ha
• Clonoony Lough1.4 ha
• Lough Aportan1.4 ha
• Killyfargy Lough1.4 ha
• Astrish Lough1.4 ha
• Drumaveale Lough1.3 ha
• Ardagh Lough1.3 ha
• Corlougharoe Lough1.3 ha
• Lough Nahinch1.2 ha
• Runchy Lough1.2 ha
• Radeerpark Lough1.2 ha
• Corryloan Lough1.2 ha
• Cam Lough1.2 ha
• Drumgristin Lough1.2 ha
• Cornnamucklagh Lough1.1 ha
• Bursk Lough1.1 ha
• Tassan Lough1.1 ha
• Lough Aphuca1.1 ha
• Lough Beg1.1 ha
• Barn Hill Lake1.0 ha
• Killybern Lough1.0 ha
• Mullaghduff Lough1.0 ha
• Kilnaclay Lough1.0 ha
• Annyalty Lough1.0 ha
• Tattindonagh Lough1.0 ha

County Offaly

• Tunduff Mor Wetlands22.4 ha
• Derryounce Lake11.6 ha
• Pallas Lake11.5 ha
• Raheen Lough / Donegan's Lake10.3 ha
• Pallas Lake7.2 ha
• Tunduff Beg Wetlands5.8 ha
• Lough Roe4.5 ha
• Lough Finnamore3.4 ha
• Cloghan Lake2.9 ha
• Derryounce Lake2.9 ha

County Roscommon

• Lough Key9.11 km²
• Lough Boderg4.89 km²
• Lough Funshinagh3.40 km²
• Lough Eidin2.82 km²
• Kilglass Lough2.08 km²
• Grange Lough1.59 km²
• Lough O'Flynn1.40 km²
• Errit Lough82.2 ha
• Cloonagh Lough68.8 ha
• Lough Nablahy64.3 ha
• Cloonacolly Lough53.2 ha
• Lough Glinn52.7 ha
• Cuilleenirwan Lough51.3 ha
• Oakport Lough50.6 ha
• Annaghmore Lough48.8 ha
• Lough Croan40.4 ha
• Lough Acrick30.5 ha
• Cloonfree Lough28.8 ha
• Fin Lough21.8 ha
• Lough Nablasbarnagh20.2 ha
• Clooncullaan Lough19.0 ha
• Cornacarta Lough16.2 ha
• Lough Elia15.5 ha
• Derrynasallagh Lough14.5 ha
• Tully Lough14.3 ha
• Canbo Lough14.2 ha
• Shanballybaun Lough14.1 ha
• Lough Gara Lower13.8 ha
• Lough Nahincha13.3 ha
• Cloonahee Lough12.9 ha
• Ardakillin Lough11.8 ha
• Shad Lough11.6 ha
• Cootehall Lough10.2 ha
• Lough Incha9.7 ha
• Lough O' Donra9.6 ha
• Cartron Lough9.2 ha
• Drumcunny Lough8.4 ha
• Lough Naseer8.4 ha
• Laundry Lough8.3 ha
• Cloghnashade Lough8.2 ha
• Lowfield Lough8.2 ha
• Derreen Lough8.2 ha
• Lisdaly Lough8.1 ha
• Lough Gal7.9 ha
• Grange Lough7.8 ha
• Dooneen Lough6.6 ha
• Lough Oura6.5 ha
• Fin Lough6.2 ha
• Toomore Lough6.1 ha
• Drumman Lough6.1 ha
• Lough Fergus5.6 ha
• Ballagh Lough5.4 ha
• Derrycreen Loughs4.9 ha
• Treanamarly Lough4.8 ha
• Lough Rogers4.6 ha
• Lough Conny More4.4 ha
• Linbaun Lough4.1 ha
• Lough Patrick3.9 ha
• Lough Duff3.8 ha
• Drumalough3.6 ha
• Lough Creavin3.6 ha
• Keel Lough3.3 ha
• Lough O' Moran3.3 ha
• Lough Feeny3.2 ha
• Cuilbalkeen Lough3.0 ha
• Black Lough3.0 ha
• Clooncalgy Lough2.9 ha
• Lough Anargid2.9 ha
• Black Lough2.9 ha
• Crunkill Lough2.5 ha
• Loughandoughil2.4 ha
• Clooneen Blakeny Lough2.4 ha
• Loughanammer2.4 ha
• Lough Namweelia2.3 ha
• Drumman Beg Lough2.3 ha
• Peter's Lough2.1 ha
• Lough Lea2.1 ha
• Derrywanna Lough2.1 ha
• Bellavahan Lough2.0 ha
• Rathmore Lough2.0 ha
• Figh Lough1.9 ha
• Killynagh Lough1.9 ha
• Lough Nagalliagh1.8 ha
• Bodeen Lough1.8 ha
• Coggal Lough1.7 ha
• Lough Aneeg1.7 ha
• Lough Bracken1.5 ha
• Black Lough1.5 ha
• Lough Saggart1.5 ha
• Lough Acrann1.4 ha
• Acre Lough1.4 ha
• Behy Lough1.4 ha
• Cloonareane Lough1.3 ha
• Lough Flasky1.3 ha
• Loughmore1.3 ha
• Lough Gormly1.3 ha
• Lough Nasaggart1.3 ha
• Lough Nafulla1.2 ha
• Loughaun East1.2 ha
• Taghboy Lough1.1 ha
• Drumdoe Lough1.1 ha
• Lough Lea1.0 ha

County Sligo

• Lough Gill14.04 km²
• Lough Arrow12.99 km²
• Lough Gara12.44 km²
• Easky Lough1.21 km²
• Templehouse Lake1.18 km²
• Lough Talt95.8 ha
• Cloonacleigha Lake59.7 ha
• Colgagh Lough28.3 ha
• Ballygawley Lough26.8 ha
• Lough Bo21.7 ha
• Toberscanavan Loughs12.3 ha
• Tullyvellia Loughs11.2 ha
• Lough Dargan9.9 ha
• Mullagh Lough7.8 ha
• Carrownabanny Lough6.8 ha
• Lough Meharth6.7 ha
• Feenagh Lough6.6 ha
• Lough Gowra6.4 ha
• Lough Hoe6.4 ha
• Lough Nasool5.7 ha
• Moylough Turlough5.7 ha
• Lough Labe5.6 ha
• Lough Anelteen5.6 ha
• Lough Agh5.1 ha
• Lough Ioe5.0 ha
• Bellanascarrow Lough4.9 ha
• Loughymeenaghan4.9 ha
• Black Lough4.2 ha
• Lough Corran3.8 ha
• Glendarragh Lough3.7 ha
• Lough Rumduff3.7 ha
• Loughanaboll3.6 ha
• Lough Nalackagh3.3 ha
• Keelogyboy Lough3.2 ha
• Tullyvellia Loughs3.2 ha
• Lough Nabrickkeagh3.2 ha
• Lough Lumman3.2 ha
• Doonweelin Lough2.9 ha
• Lough Daven2.8 ha
• Lough Doo2.7 ha
• Ardrea Lough2.5 ha
• Lough Ahusey2.4 ha
• Cloverhill Lough2.4 ha
• Lough Gal2.4 ha
• Moylough Turlough2.3 ha
• Lough Wattywee2.2 ha
• Cooney Lough2.1 ha
• White Lough2.0 ha
• Templevanny Lough2.0 ha
• Lough Minna2.0 ha
• Fin Lough1.8 ha
• Lough Arquilta1.8 ha
• Boathole Lough1.7 ha
• Lough Arubble1.7 ha
• Sessuecommon Lough1.5 ha
• Loughnambraher1.5 ha
• Cleavry Lough1.4 ha
• Cloghfin Lough1.3 ha
• Ardloy Lough1.3 ha
• Killawee Lough1.1 ha
• Curraghaleebeen1.1 ha
• Lough Awaughran1.1 ha
• Lough Annaminvrack1.1 ha
• Lough Nablaneybaun1.1 ha
• Lough Weeloge1.1 ha
• Tonaloughan Lough1.0 ha
• Fiddangarrode Lough1.0 ha

County Tipperary

• Lough Durna23.9 ha
• Poulawee Lough10.0 ha
• Lough Muskry9.6 ha
• Lough Nahinch9.2 ha
• Rockwell Lake6.7 ha
• Sluggery Pool6.6 ha
• Marlfield Lake5.1 ha
• Templemore Lake5.1 ha
• Lough Curra4.8 ha
• Claree Lough4.2 ha
• Lough Avan3.8 ha
• Rathleasty Bog3.4 ha
• Black Lough3.3 ha
• Friar's Lough3.0 ha
• Bay Lough2.9 ha
• Lough Doire Bhile2.2 ha
• Borheen Lough2.1 ha
• Black Lough1.3 ha
• Butler's Lough1.2 ha
• Forked Lough1.1 ha

County Tyrone

• Lough Catherine28.1 ha
• Lough Fingrean27.1 ha
• Lough Bradan24.9 ha
• Lough Macrory22.0 ha
• Ballysaggart Lough19.3 ha
• Lough Lee19.0 ha
• Moor Lough14.3 ha
• Lough Ash14.2 ha
• Lough Lack13.7 ha
• Lough Fanny8.0 ha
• Lough Bracken6.2 ha
• Mullygruen Lough6.0 ha
• Lough na Blaney Bane5.8 ha
• Lough Bradan5.7 ha
• Loughanalbanagh5.5 ha
• Lough navarad5.3 ha
• Lough Fadda4.9 ha
• Lough na Heery4.3 ha
• Carnteel Lough3.9 ha
• Maghera Lough3.9 ha
• Fymore Lough3.3 ha
• Loughnapeast3.1 ha
• Lough Corr2.6 ha
• Loughackeggan2.3 ha
• Magheralough2.3 ha
• Cullion Lough1.9 ha
• Lough a tigh1.8 ha
• Balagh Lough1.8 ha
• Loughnadarragh1.8 ha
• Carrickanny Lough1.7 ha
• Loughaslane1.7 ha
• Screeby Lough1.6 ha
• Glenbower Lough1.5 ha
• Lough Sallagh1.5 ha
• Claraghmore Lough1.4 ha
• Loughnaboy1.3 ha
• Lough Mulshane1.3 ha
• Derrycloony Lough1.2 ha
• Lough Doo1.2 ha
• Tullygiven Lough1.2 ha
• Lough Eskinalowey1.1 ha
• Lough a Yelvin1.1 ha
• Lough Any1.1 ha
• Glennoo Lough1.0 ha

County Waterford

• Knockaderry Reservoir27.1 ha
• Belle Lake26.3 ha
• Ballyshonock Reservoirs24.5 ha
• Coumshingaun Lough14.8 ha
• Carrigavantry Lake11.8 ha
• Ballyscanlan Lake8.4 ha
• Lough Coumgaurha3.8 ha
• Ballinlough2.7 ha
• Knockaderry Reservoir2.6 ha
• Sgilloge Loughs2.2 ha
• Lough Coumfea2.0 ha
• Coumduala Lough1.6 ha
• Sgilloge Loughs1.3 ha

County Westmeath

• Lough Ennell11.35 km²
• Lough Owel10.11 km²
• Lough Derravaragh9.59 km²
• Glen Lough66.1 ha
• Creggan Lough48.8 ha
• Lough Drin24.6 ha
• Lough Glore23.7 ha
• Lough Sewdy16.5 ha
• Lough Adeel13.7 ha
• Lough Sheever10.9 ha
• Lough Markeegan9.5 ha
• Lough Analla7.0 ha
• Bishops Lough6.8 ha
• Lough Ruddan6.2 ha
• Mount Dalton Lough6.1 ha
• Lough Glass4.6 ha
• Lough Lom3.9 ha
• Crowinstown Lough3.2 ha
• Lough Bane2.5 ha
• Lough Patrick2.1 ha
• Dún na Sí Turlough2.0 ha
• Cloran Loughs1.7 ha
• Bookers Lough1.7 ha
• Lough Doolin1.4 ha
• Johnstown Lough1.4 ha
• Ballyhealy Lough1.0 ha
• Robins Lough1.0 ha