- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°40'47"N 1°59'37"W
- Eastings/Northings: 400548, 86708
- OS Grid: SZ005867
- Mapcode Local: GBR 335.6SM
- Mapcode Global: FRA 67Q8.TBJ
Location and coordinates are for the approximate centre of Green Island within this administrative area.
Geographic features and populated places may cross administrative borders.