Frinton-on-Sea railway station is on the Walton branch of the Sunshine Coast Line in the East of England, serving the seaside town of Frinton-on-Sea, Essex. It is 68 miles 66 chains (110.8 km) down the line from London Liverpool Street and is situated between Kirby Cross to the west and Walton-on-the-Naze to the east. Its three-letter station code is FRI. The station was opened by the Tendring Hundred Railway, a subsidiary of the Great Eastern Railway, in 1867. It is currently managed by Greater Anglia, which also operates all trains serving the station.