- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°20'57"N 5°31'55"W
- Eastings/Northings: 181846, 723027
- OS Grid: NM818230
- Mapcode Local: GBR DCQY.2SP
- Mapcode Global: WH0GQ.ZNTZ
Location and coordinates are for the approximate centre of Sgeir Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.