- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°41'40"N 5°16'19"W
- Eastings/Northings: 173959, 204622
- OS Grid: SM739046
- Mapcode Local: GBR G1.3976
- Mapcode Global: VH0VC.KNPQ
Location and coordinates are for the approximate centre of Crab Rocks within this administrative area.
Geographic features and populated places may cross administrative borders.