St Mary-at-the-Quay Church is a former Anglican church in Ipswich, Suffolk, England. The medieval building is under the care of the Churches Conservation Trust. and since September 2021 it has been used as a HTB Church Plant known as River Church.The church originally served the thriving industry around the docks area of the town and those that worked there. After closing for regualr worship in the 1950s the church was transferred to the CCT in 1973 and underwent a major restoration programme completing in 2016.