- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 50°55'43"N 4°32'49"W
- Eastings/Northings: 221109, 117450
- OS Grid: SS211174
- Mapcode Local: GBR K2.PV7W
- Mapcode Global: FRA 16CN.8DP
Location and coordinates are for the approximate centre of Marsland Mouth within this administrative area.
Geographic features and populated places may cross administrative borders.