- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°42'2"N 5°42'56"W
- Eastings/Northings: 178705, 873946
- OS Grid: NG787739
- Mapcode Local: GBR D88C.NR2
- Mapcode Global: WH082.5PKY
Location and coordinates are for the approximate centre of Na Dùnain within this administrative area.
Geographic features and populated places may cross administrative borders.