- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°4'43"N 6°22'46"W
- Eastings/Northings: 141897, 918350
- OS Grid: NB418183
- Mapcode Local: GBR B7MC.QN8
- Mapcode Global: WGY3Q.Z67K
Location and coordinates are for the approximate centre of Sgeir Mhòir within this administrative area.
Geographic features and populated places may cross administrative borders.