- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 51°42'2"N 5°16'55"W
- Eastings/Northings: 173312, 205316
- OS Grid: SM733053
- Mapcode Local: GBR G1.2SS4
- Mapcode Global: VH0VC.DJH3
Location and coordinates are for the approximate centre of Mad Bay within this administrative area.
Geographic features and populated places may cross administrative borders.