- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°7'19"N 3°55'41"W
- Eastings/Northings: 283353, 805114
- OS Grid: NH833051
- Mapcode Local: GBR J9NW.Z75
- Mapcode Global: WH4JC.M7MY
Location and coordinates are for the approximate centre of Tom Dubh within this administrative area.
Geographic features and populated places may cross administrative borders.