- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°31'30"N 6°57'11"W
- Eastings/Northings: 95522, 747998
- OS Grid: NL955479
- Mapcode Local: GBR 9C6G.RZC
- Mapcode Global: WGX9W.5863
Location and coordinates are for the approximate centre of Sgeir Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.