- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 52°51'0"N 4°43'27"W
- Eastings/Northings: 216647, 331559
- OS Grid: SH166315
- Mapcode Local: GBR GPQ5.6PZ
- Mapcode Global: WH33F.DMJB
Location and coordinates are for the approximate centre of Porth Iago within this administrative area.
Geographic features and populated places may cross administrative borders.