- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°14'40"N 6°56'52"W
- Eastings/Northings: 109781, 939096
- OS Grid: NB097390
- Mapcode Local: GBR 967Y.2CP
- Mapcode Global: WGX1K.71QJ
Location and coordinates are for the approximate centre of Màs Sgeir within this administrative area.
Geographic features and populated places may cross administrative borders.