- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°40'53"N 5°7'30"W
- Eastings/Northings: 184053, 202703
- OS Grid: SM840027
- Mapcode Local: GBR G4.J01R
- Mapcode Global: VH1RX.3ZWV
Location and coordinates are for the approximate centre of Rat Island within this administrative area.
Geographic features and populated places may cross administrative borders.