- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°21'47"N 1°54'38"W
- Eastings/Northings: 405473, 830301
- OS Grid: NK054303
- Mapcode Local: GBR P9M8.5BY
- Mapcode Global: WH9PV.M6C4
Location and coordinates are for the approximate centre of Mussel Skellyis within this administrative area.
Geographic features and populated places may cross administrative borders.