- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 53°16'26"N 4°37'22"W
- Eastings/Northings: 225207, 378422
- OS Grid: SH252784
- Mapcode Local: GBR GNY1.K7J
- Mapcode Global: WH31B.YZT1
Location and coordinates are for the approximate centre of Porth Diana within this administrative area.
Geographic features and populated places may cross administrative borders.