- Category: Water Feature
- Type: Island
- Latitude/Longitude: 55°42'29"N 5°26'52"W
- Eastings/Northings: 183487, 651460
- OS Grid: NR834514
- Mapcode Local: GBR DFXM.KCQ
- Mapcode Global: WH0KW.9S1G
Location and coordinates are for the approximate centre of Sgeir Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.