- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°45'59"N 7°2'20"W
- Eastings/Northings: 100463, 886371
- OS Grid: NG004863
- Mapcode Local: GBR 9806.8KM
- Mapcode Global: WGW2P.V16W
Location and coordinates are for the approximate centre of Sgeir Mhic Coma within this administrative area.
Geographic features and populated places may cross administrative borders.