- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°32'40"N 5°18'6"W
- Eastings/Northings: 197123, 744058
- OS Grid: NM971440
- Mapcode Local: GBR FC9F.09G
- Mapcode Global: WH1H0.JRLP
Location and coordinates are for the approximate centre of Sgeir Dubh within this administrative area.
Geographic features and populated places may cross administrative borders.