- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°41'29"N 1°58'18"W
- Eastings/Northings: 402087, 87995
- OS Grid: SZ020879
- Mapcode Local: GBR 44B.D9Q
- Mapcode Global: FRA 67R7.X75
Location and coordinates are for the approximate centre of Brownsea Island within this administrative area.
Geographic features and populated places may cross administrative borders.