- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 50°23'41"N 5°9'2"W
- Eastings/Northings: 176174, 59740
- OS Grid: SW761597
- Mapcode Local: GBR Z8.C65N
- Mapcode Global: FRA 0830.77P
Location and coordinates are for the approximate centre of Holywell Bay within this administrative area.
Geographic features and populated places may cross administrative borders.