- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°31'42"N 6°54'11"W
- Eastings/Northings: 98616, 748170
- OS Grid: NL986481
- Mapcode Local: GBR 9CBG.JTG
- Mapcode Global: WGX9W.X5WF
Location and coordinates are for the approximate centre of Glas Eilean within this administrative area.
Geographic features and populated places may cross administrative borders.