Castletown, Isle of Man Peel and Ramsey, one of four town local authorities. They were all designated as towns by the Town Act 1852. Castletown became a local authority in 1883. Until 2016 Castletown was also a House of Keys constituency, electing one Member of the House of Keys (MHK). The town's representative until 2011 was Tony Brown, who was the Chief Minister of the Isle of Man after the Manx general election, 2006. He retired in 2011 and was replaced as MHK for Castletown by Richard Ronan. Since 2016 Castletown has been part of the Arbory, Castletown & Malew constituency. In 1874, the
Port St Mary Railway between Douglas and Port Erin. Steam trains operate on the line several times a day during the summer season, and stop at Port St Mary. The village is served by Bus Vannin services to Port Erin, Castletown, Douglas and Onchan. Once a fishing and trading port, the village is still popular with tourists and fishermen, especially during the summer. The inner harbour, with its pier created in 1812, is tidal and dries out from half-tide. The outer harbour, created when the Alfred Pier was built in 1882, is accessible at all tide states - unique amongst the Manx ports.