- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°23'37"N 6°31'42"W
- Eastings/Northings: 128023, 842765
- OS Grid: NG280427
- Mapcode Local: GBR B985.NFS
- Mapcode Global: WGY6Y.PFC8
Location and coordinates are for the approximate centre of Sgier Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.