- Category: Water Feature
- Type: Island
- Latitude/Longitude: 54°50'4"N 5°6'33"W
- Eastings/Northings: 200418, 553283
- OS Grid: NX004532
- Mapcode Local: GBR FHRX.Y7F
- Mapcode Global: WH1RF.HR85
Location and coordinates are for the approximate centre of Big Isle within this administrative area.
Geographic features and populated places may cross administrative borders.