- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°58'59"N 0°58'59"E
- Eastings/Northings: 609490, 124646
- OS Grid: TR094246
- Mapcode Local: GBR T09.9DL
- Mapcode Global: FRA D6YJ.2VJ
Location and coordinates are for the approximate centre of Phoenix Caisson within this administrative area.
Geographic features and populated places may cross administrative borders.