Southminster railway station is the eastern terminus of the Crouch Valley Line in Essex, England, serving the town of Southminster and other settlements on the Dengie Peninsula. It is 45 miles 42 chains (73.27 km) down the line from London Liverpool Street. The station is managed by Greater Anglia who operate all services. The Engineer's Line Reference for the line is WIS, the station's three-letter station code is SMN. The platform has an operational length for 8 carriages. The preceding station to the west is Burnham-on-Crouch.