- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 53°25'8"N 4°30'41"W
- Eastings/Northings: 233200, 394292
- OS Grid: SH332942
- Mapcode Local: GBR HM7N.N76
- Mapcode Global: WH41Y.NBW8
Location and coordinates are for the approximate centre of Cemlyn Bay within this administrative area.
Geographic features and populated places may cross administrative borders.