- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°24'46"N 7°20'39"W
- Eastings/Northings: 79242, 848451
- OS Grid: NF792484
- Mapcode Local: GBR 8984.0X5
- Mapcode Global: WGW43.5Y14
Location and coordinates are for the approximate centre of Heisteamuil within this administrative area.
Geographic features and populated places may cross administrative borders.