- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°21'9"N 6°5'10"W
- Eastings/Northings: 147652, 725315
- OS Grid: NM476253
- Mapcode Local: GBR CCCX.T5C
- Mapcode Global: WGZFB.HL09
Location and coordinates are for the approximate centre of Glas Eilean within this administrative area.
Geographic features and populated places may cross administrative borders.