- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 51°10'51"N 3°19'8"W
- Eastings/Northings: 307910, 143235
- OS Grid: ST079432
- Mapcode Local: GBR LR.5T5Q
- Mapcode Global: VH6GP.FL92
Location and coordinates are for the approximate centre of Helwell Bay within this administrative area.
Geographic features and populated places may cross administrative borders.