- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°59'31"N 5°34'52"W
- Eastings/Northings: 182545, 794697
- OS Grid: NM825946
- Mapcode Local: GBR DBL7.J7D
- Mapcode Global: WH0CM.7JG4
Location and coordinates are for the approximate centre of Eilean Alasdair within this administrative area.
Geographic features and populated places may cross administrative borders.