- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°15'56"N 5°34'35"W
- Eastings/Northings: 184442, 825100
- OS Grid: NG844251
- Mapcode Local: GBR D9MJ.0H6
- Mapcode Global: WH0B8.9MTZ
Location and coordinates are for the approximate centre of Glas Eilean within this administrative area.
Geographic features and populated places may cross administrative borders.