- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°39'17"N 7°3'8"W
- Eastings/Northings: 98752, 874014
- OS Grid: NF987740
- Mapcode Local: GBR 88ZH.8K8
- Mapcode Global: WGW32.MVYK
Location and coordinates are for the approximate centre of Hermetray within this administrative area.
Geographic features and populated places may cross administrative borders.