- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 52°47'18"N 4°30'26"W
- Eastings/Northings: 231011, 324170
- OS Grid: SH310241
- Mapcode Local: GBR 56.X9KH
- Mapcode Global: WH451.Q5SJ
Location and coordinates are for the approximate centre of Porth Ceiriad within this administrative area.
Geographic features and populated places may cross administrative borders.