- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°30'52"N 6°36'55"W
- Eastings/Northings: 123729, 856543
- OS Grid: NG237565
- Mapcode Local: GBR B81V.YGF
- Mapcode Global: WGX56.CD34
Location and coordinates are for the approximate centre of Sgeir nam Biast within this administrative area.
Geographic features and populated places may cross administrative borders.