- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°9'9"N 4°58'53"W
- Eastings/Northings: 187110, 32329
- OS Grid: SW871323
- Mapcode Local: GBR ZL.3GPG
- Mapcode Global: FRA 08GM.14C
Location and coordinates are for the approximate centre of Island Rock within this administrative area.
Geographic features and populated places may cross administrative borders.