- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°58'37"N 5°20'37"W
- Eastings/Northings: 202367, 903548
- OS Grid: NC023035
- Mapcode Local: GBR F75M.YW0
- Mapcode Global: WH180.WRHK
Location and coordinates are for the approximate centre of Iolla Mhòr within this administrative area.
Geographic features and populated places may cross administrative borders.