- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 50°20'2"N 4°28'18"W
- Eastings/Northings: 224191, 51163
- OS Grid: SX241511
- Mapcode Local: GBR NF.X968
- Mapcode Global: FRA 18J4.V10
Location and coordinates are for the approximate centre of Portnadler Bay within this administrative area.
Geographic features and populated places may cross administrative borders.