- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°47'27"N 6°51'12"W
- Eastings/Northings: 111683, 888276
- OS Grid: NG116882
- Mapcode Local: GBR 98G4.9LQ
- Mapcode Global: WGX3Q.PFMP
Location and coordinates are for the approximate centre of Earr Mhànais within this administrative area.
Geographic features and populated places may cross administrative borders.