- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°13'36"N 4°57'30"W
- Eastings/Northings: 226371, 930270
- OS Grid: NC263302
- Mapcode Local: GBR G64Z.FKG
- Mapcode Global: WH285.TH21
Location and coordinates are for the approximate centre of Eilean an Tuim within this administrative area.
Geographic features and populated places may cross administrative borders.