- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°29'34"N 6°20'27"W
- Eastings/Northings: 139983, 853064
- OS Grid: NG399530
- Mapcode Local: GBR B8QX.J9T
- Mapcode Global: WGY6G.KXNN
Location and coordinates are for the approximate centre of Sgeir Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.