• In
Lough Corrib: •
White Goat Island • Inishmicatreer • Inchagoill • Inishdoorus • Inishdauwee • Booey • In
Lough Derg: •
Inis Cealtra • In
Lower Lough Erne: • Ardy More •
Boa Island • Buck Island • Car Island • Cleenishmeen Island • Coughran's Island • Crevinishaughy Island • Cruninish Island • Derryinch •
Devenish Island • Ferny Island • Gall Island • Goat Island • Gravelly Island • Horse Island • Inish Beg • Inish Conra • Inish Davar • Inish Divann • Inish Doney • Inish Fovar • Inish Free • Inish Lougher • Inishmacsaint • Inish More • Inishmakill • Kinnausy Island • Leftus Island • Long Island •
Lustybeg Island •
Lustymore Island • Owl Island • Paris Island Big • Rabbit Island • Rosscor Island • Rough Island •
White Island • In
Upper Lough Erne: • Belle Isle • Bleanish Island • Corratistune • Dernish Island • Inishcorkish • Inishleague • Inishlirroo • Inishlught • Inish Rath • Killygowan Island • Naart Island • Shanaghy • Tonregee Island • Traanish • Trasna • In
Lough Gill: •
Lake Isle of Innisfree • 21 others • In
Lough Leane: •
Innisfallen • and others • In
Lough Neagh: •
Coney Island • Coney Island Flat • Croaghan Flat •
Derrywarragh Island • Padian •
Ram's Island • Phil Roe's Flat • The Shallow Flat • In
Lough Owel: • Browns or Grania's Island • Church Island • Carrickphilbin Island • Glassford Island • Mount Murray Island • Sruddorra Island • In
Lough Ree: •
Inchcleraun (Quaker Island) • Hare Island ==River islands==