- Category: Water Feature
- Type: Island
- Latitude/Longitude: 55°38'43"N 4°50'34"W
- Eastings/Northings: 221197, 642751
- OS Grid: NS211427
- Mapcode Local: GBR 31.KB4C
- Mapcode Global: WH2NT.LC2L
Location and coordinates are for the approximate centre of Horse Isle within this administrative area.
Geographic features and populated places may cross administrative borders.