Port St Mary Port St Mary Port St Mary ( or "Purt-noo-Moirrey") is a village district in the south-west of the Isle of Man. The village takes its name from the former Chapel of St Mary () which is thought to have overlooked Chapel Bay in the village. Its population is 1,953 according to the 2011 census. In the 19th century it was sometimes called Port-le-Murray. Port St Mary is located in the south-western part of the island, near Port Erin. A railway station is just north of the village, one of the stops on the surviving section of the Isle of Man
Castletown, Dorset is found in the village, close to the entrance of Portland Port. The area still features several hotels and pubs, largely established for the navy personnel that once came from the port. The Osprey Leisure Centre is located in Castletown, which was formerly known as the Boscawen Centre, and was opened to the public in May 2007. Originally it was a private Royal Navy facility during the 1980s. Castletown also holds the Portland Community Hospital. This was originally a Royal Naval Hospital which served Portland's naval base from the late 19th century until 1957, when the hospital was handed over