- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°9'23"N 7°18'21"W
- Eastings/Northings: 79313, 819797
- OS Grid: NF793197
- Mapcode Local: GBR 89CT.0FM
- Mapcode Global: WGW5G.RD60
Location and coordinates are for the approximate centre of Glas-eilean within this administrative area.
Geographic features and populated places may cross administrative borders.