| |
| Lough Allen, |
County Leitrim |
| Lough Arrow, |
County Sligo |
| Lough Beg. |
On the River Bann County Antrim. |
| Lough Carra, |
County Mayo |
| Lough Conn, |
County Mayo |
| Lough Corrib, |
County Galway (south of Lough Mask) – second-largest in Ireland,
largest in the Republic. |
| Lough Dan, |
County Wicklow |
| Lough Derg. |
County Donegal. |
| Lough Derg, |
County Galway On the River Shannon, the third largest lake in Ireland
|
| Lough Derravaragh, |
County Westmeath |
| Lough Ennell, |
County Westmeath |
| Lough Erne, two Upper Lough Erne and Lower Lough Erne, |
County Fermanagh |
| Lough Eske, |
County Donegal |
| Lough Finn, |
County Donegal |
| Lough Gowna, |
County Cavan |
| Lough Gowna, |
County Longford |
| Lough Glenveagh, |
County Donegal |
| Lough Gur, |
County Limerick |
| Lough Key, |
County Roscommon |
| Lough Lene, |
County Westmeath |
| Lough Mask, |
County Mayo |
| Lough Neagh, |
Northern Ireland – the largest lake in Britain and Ireland
|
| Lough Oughter, |
County Cavan |
| Lough Owel, |
County Westmeath |
| Lough Ramor |
County Cavan, |
| Lough Ree, |
County Westmeath, County Longford and County Roscommon |
| Lough Ross, |
County Armagh and County Monaghan |
| Lough Rynn, |
County Leitrim |
| Lough Sheelin, |
County Westmeath and County Cavan |
| Lough Sillan, |
County Cavan, |
| |
|
Sea
Loughs. |
| Belfast Lough |
County Antrim. |
| Carlingford Lough |
Surrounded by County Down and Louth |
| Lough Foyle |
Surrounded by County Donegal and Londonderry. |
| Larne Lough |
County Antrim. |
| Lough Swilly |
County Donegal. |
| Lough Hyne |
|
| Strangford
Lough |
County Galway |
| Loch an Aibhnín, |
|
| Dundrum Bay (Inner) |
(Loch Rudhraighe) |
| Galway Bay |
(Loch Lurgain) |
| Roaringwater Bay |
(Loch Trasna) |
| Shannon Estuary |
(Loch Luimnigh) |
| Lough Mahon |
|
| Lough Beg |
|
| Castlemaine Harbour |
(Loch na dTrí gCaol) |
| Wexford Harbour |
(Loch Garman) |
|
|
