- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°16'12"N 5°31'35"W
- Eastings/Northings: 187479, 825438
- OS Grid: NG874254
- Mapcode Local: GBR D9QH.Z7X
- Mapcode Global: WH0B9.2JML
Location and coordinates are for the approximate centre of Sgeir Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.