- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°19'38"N 7°14'49"W
- Eastings/Northings: 84323, 838487
- OS Grid: NF843384
- Mapcode Local: GBR 89HC.39H
- Mapcode Global: WGW4Q.N354
Location and coordinates are for the approximate centre of Siolaigh Mòr within this administrative area.
Geographic features and populated places may cross administrative borders.