- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°17'2"N 6°23'51"W
- Eastings/Northings: 127938, 718860
- OS Grid: NM279188
- Mapcode Local: GBR BDL3.GDC
- Mapcode Global: WGYDF.PBQ1
Location and coordinates are for the approximate centre of Dubh Sgeir within this administrative area.
Geographic features and populated places may cross administrative borders.