- Category: Water Feature
- Type: Island
- Latitude/Longitude: 54°2'8"N 1°55'44"W
- Eastings/Northings: 404749, 459972
- OS Grid: SE047599
- Mapcode Local: GBR GPZS.52
- Mapcode Global: WHB6X.BTPJ
Location and coordinates are for the approximate centre of Mill Island within this administrative area.
Geographic features and populated places may cross administrative borders.