- Category: Water Feature
- Type: Island
- Latitude/Longitude: 54°57'48"N 5°10'48"W
- Eastings/Northings: 196508, 567844
- OS Grid: NW965678
- Mapcode Local: GBR FHLL.FXK
- Mapcode Global: WH1QT.DHGP
Location and coordinates are for the approximate centre of Castle Butt within this administrative area.
Geographic features and populated places may cross administrative borders.