- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°11'33"N 7°13'59"W
- Eastings/Northings: 84020, 823461
- OS Grid: NF840234
- Mapcode Local: GBR 89JQ.3SX
- Mapcode Global: WGW59.VGVX
Location and coordinates are for the approximate centre of Dubh-Sgeir Mhòr within this administrative area.
Geographic features and populated places may cross administrative borders.