- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°23'7"N 3°30'3"W
- Eastings/Northings: 293380, 55022
- OS Grid: SX933550
- Mapcode Local: GBR QY.G038
- Mapcode Global: FRA 38K0.V60
Location and coordinates are for the approximate centre of Mussel Rock within this administrative area.
Geographic features and populated places may cross administrative borders.