- Category: Water Feature
- Type: Island
- Latitude/Longitude: 56°27'26"N 6°10'6"W
- Eastings/Northings: 143275, 737266
- OS Grid: NM432372
- Mapcode Local: GBR CC4N.C93
- Mapcode Global: WGZDQ.6YVK
Location and coordinates are for the approximate centre of Geasgill Mòr within this administrative area.
Geographic features and populated places may cross administrative borders.