- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°31'54"N 6°54'52"W
- Eastings/Northings: 97940, 748558
- OS Grid: NL979485
- Mapcode Local: GBR 9C9G.5LK
- Mapcode Global: WGX9W.R3H1
Location and coordinates are for the approximate centre of Bàrna-Sgeir within this administrative area.
Geographic features and populated places may cross administrative borders.