Native name: Cloch Dábhiolla Nickname: The Cow and The Calf | |
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Geography | |
Location | Irish Sea |
Coordinates | 53.°35.49′N 6.°0.16′W / 53.59150°N 6.00267°W |
Archipelago | Rockabill |
Total islands | 2 (The Rock and The Bill) |
Major islands | The Rock |
Administration | |
Province | Leinster |
County | Dublin |
Barony | Skerries |
Demographics | |
Population | 2, May through August[1] (2014) |
Rockabill (Irish: Cloch Dábhiolla)[2] is a close pair of islands (Rock and Bill) in the western Irish Sea about 6 kilometres east-north-east of Skerries, County Dublin, Ireland. The two granite islands are separated by a channel about 20 metres wide. On the Rock there is a lighthouse, built 1855–1860 from granite and limestone and automated in 1989, and several walls and outbuildings.