- Category: Water Feature
- Type: Island
- Latitude/Longitude: 49°56'37"N 6°19'4"W
- Eastings/Northings: 90332, 13778
- OS Grid: SV903137
- Mapcode Local: GBR BXST.WFB
- Mapcode Global: VGYBY.FPW0
Location and coordinates are for the approximate centre of Green Island within this administrative area.
Geographic features and populated places may cross administrative borders.