- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°1'25"N 5°21'22"W
- Eastings/Northings: 201898, 908768
- OS Grid: NC018087
- Mapcode Local: GBR F74J.5D0
- Mapcode Global: WH17T.PLN9
Location and coordinates are for the approximate centre of Sgeir a' Mhuilinn within this administrative area.
Geographic features and populated places may cross administrative borders.