- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°18'31"N 6°26'52"W
- Eastings/Northings: 125002, 721822
- OS Grid: NM250218
- Mapcode Local: GBR BDG1.H9Y
- Mapcode Global: WGYD6.XPPG
Location and coordinates are for the approximate centre of Dubh Sgeir within this administrative area.
Geographic features and populated places may cross administrative borders.