PS Merstone was a passenger vessel built for the Southern Railway in 1928.[1]
The ship was built by Caledon Shipbuilding of Dundee and launched on 26 January 1928[2] by Mrs Donald A Mathieson, wife of the former general manager of the Scottish section of the L.M.S. Railway Company. She was one of an order for two new ships, the other being .
She was withdrawn from service at Christmas 1950 and sold in September 1952 for breaking in Northam.