Rockabill () 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.
Rockabill () 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.
==Environment== The walled areas of the Rock have enabled a build-up of soil and the establishment of vegetation, notably tree mallow (Malva arborea), which provides nesting cover for the birds. The Bill is smaller and has very little vegetation.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).