- Category: Water Feature
- Type: Island
- Latitude/Longitude: 55°38'31"N 6°5'43"W
- Eastings/Northings: 142403, 646352
- OS Grid: NR424463
- Mapcode Local: GBR CFBS.WC2
- Mapcode Global: WGZJT.BFQZ
Location and coordinates are for the approximate centre of Sgeir Dhubh within this administrative area.
Geographic features and populated places may cross administrative borders.