- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°59'50"N 5°10'9"W
- Eastings/Northings: 172972, 15603
- OS Grid: SW729156
- Mapcode Local: GBR Z7.V79D
- Mapcode Global: FRA 0920.6AD
Location and coordinates are for the approximate centre of Poltesco Rock within this administrative area.
Geographic features and populated places may cross administrative borders.