- Category: Water Feature
- Type: Wetland
- Latitude/Longitude: 51°26'45"N 3°36'22"W
- Eastings/Northings: 288473, 173097
- OS Grid: SS884730
- Mapcode Local: GBR HC.N1MG
- Mapcode Global: VH5HQ.FXWG
Location and coordinates are for the approximate centre of Sea Mouth within this administrative area.
Geographic features and populated places may cross administrative borders.