- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°58'13"N 6°19'6"W
- Eastings/Northings: 90450, 16730
- OS Grid: SV904167
- Mapcode Local: GBR BXSR.NM5
- Mapcode Global: VGYBY.F0HL
Location and coordinates are for the approximate centre of East Gap Rock within this administrative area.
Geographic features and populated places may cross administrative borders.