- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°34'55"N 6°8'16"W
- Eastings/Northings: 152753, 862211
- OS Grid: NG527622
- Mapcode Local: GBR C87P.7BG
- Mapcode Global: WGZ79.PPDF
Location and coordinates are for the approximate centre of Sgeir Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.