- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°1'4"N 0°13'4"E
- Eastings/Northings: 552284, 237814
- OS Grid: TL522378
- Mapcode Local: GBR MC2.FWS
- Mapcode Global: VHHL3.QJHY
Location and coordinates are for the approximate centre of Duck Island within this administrative area.
Geographic features and populated places may cross administrative borders.