- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°34'55"N 6°40'3"W
- Eastings/Northings: 113500, 753098
- OS Grid: NM135530
- Mapcode Local: GBR 9CXB.4RD
- Mapcode Global: WGX9M.KT5J
Location and coordinates are for the approximate centre of Sgeir Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.