- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°41'21"N 6°6'40"W
- Eastings/Northings: 148357, 762842
- OS Grid: NM483628
- Mapcode Local: GBR CC91.7L3
- Mapcode Global: WGZCS.3467
Location and coordinates are for the approximate centre of Glas Eilean within this administrative area.
Geographic features and populated places may cross administrative borders.