- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°14'1"N 3°1'4"W
- Eastings/Northings: 329023, 148774
- OS Grid: ST290487
- Mapcode Local: GBR M4.2K7G
- Mapcode Global: VH7D3.M8V2
Location and coordinates are for the approximate centre of Stert Island within this administrative area.
Geographic features and populated places may cross administrative borders.