- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°5'14"N 6°9'39"W
- Eastings/Northings: 141255, 696090
- OS Grid: NR412960
- Mapcode Local: GBR CD5M.GSS
- Mapcode Global: WGZGN.B8G5
Location and coordinates are for the approximate centre of Eilean Olmsa within this administrative area.
Geographic features and populated places may cross administrative borders.