- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°8'20"N 5°35'32"W
- Eastings/Northings: 182733, 811061
- OS Grid: NG827110
- Mapcode Local: GBR D9KV.K55
- Mapcode Global: WH0BV.2T6M
Location and coordinates are for the approximate centre of Eilean Mhairtein within this administrative area.
Geographic features and populated places may cross administrative borders.