Ireland has three inhabited islands along with 258 sometime inhabited islands.
The following is a list of islands in County Down, Northern Ireland, including tidal islands, tied islands and scaddies:[1]
Angus Rock Bird Island (Mahee), Bird Island (Downpatrick) Cannon Rock, Castle Island (Downpatrick), Castle Island (Ring Haddy), Copeland Island Dodd's Island, Dunsy Island Gibb's Island, Gores Island, Guns/Gunns Island Hare Island Island Taggart, Islandmore Lighthouse Island Mahee Island, Mew Island Pawle Island Reagh Island Salt Island, Simmy Island