- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°12'59"N 3°44'48"W
- Eastings/Northings: 275461, 36617
- OS Grid: SX754366
- Mapcode Local: GBR QJ.NWN2
- Mapcode Global: FRA 381G.238
Location and coordinates are for the approximate centre of Deckler's Island within this administrative area.
Geographic features and populated places may cross administrative borders.