List of islands of County Down

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:

A
Angus Rock

B
Bird Island (Mahee), Bird Island (Downpatrick)

C
Cannon Rock, Castle Island (Downpatrick), Castle Island (Ring Haddy), Copeland Island

D
Dodd's Island, Dunsy Island

G
Gibb's Island, Gores Island, Guns/Gunns Island

H
Hare Island

I
Island Taggart, Islandmore

L
Lighthouse Island

M
Mahee Island, Mew Island

P
Pawle Island

R
Reagh Island

S
Salt Island, Simmy Island