- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°33'20"N 5°43'22"W
- Eastings/Northings: 177383, 857830
- OS Grid: NG773578
- Mapcode Local: GBR D87R.KDG
- Mapcode Global: WH08V.2C24
Location and coordinates are for the approximate centre of Dubh Sgeir within this administrative area.
Geographic features and populated places may cross administrative borders.