- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 54°43'13"N 4°21'31"W
- Eastings/Northings: 248168, 538710
- OS Grid: NX481387
- Mapcode Local: GBR HJM7.63S
- Mapcode Global: WH3VN.0MM4
Location and coordinates are for the approximate centre of Portyerrock Bay within this administrative area.
Geographic features and populated places may cross administrative borders.