- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 53°25'18"N 4°27'42"W
- Eastings/Northings: 236500, 394500
- OS Grid: SH365945
- Mapcode Local: GBR HMCN.DWS
- Mapcode Global: WH41Z.F8H1
Location and coordinates are for the approximate centre of Cemaes Bay within this administrative area.
Geographic features and populated places may cross administrative borders.