- Category: Water Feature
- Type: Island
- Latitude/Longitude: 55°37'59"N 1°37'25"W
- Eastings/Northings: 423788, 637813
- OS Grid: NU237378
- Mapcode Local: GBR K339.8G
- Mapcode Global: WHC0G.1N2T
Location and coordinates are for the approximate centre of Brownsman within this administrative area.
Geographic features and populated places may cross administrative borders.