- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°2'54"N 5°36'38"W
- Eastings/Northings: 141622, 22747
- OS Grid: SW416227
- Mapcode Local: GBR DXJK.8VS
- Mapcode Global: VH05V.P1SK
Location and coordinates are for the approximate centre of Coffin Rock within this administrative area.
Geographic features and populated places may cross administrative borders.