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, Isle of Man to the west Port St Mary and Port Erin. The older parts of the town are largely built of local grey limestone. At Scarlett, a short distance to the south of the town, there are the remains of an ancient volcano and various other features such as fossils and thick sheets of limestone. The A3 road connects Castletown with Ramsey via St John's, while the A5 road (also known as New Castletown Road as opposed to the Old Castletown Road which takes a more rural route nearer the coast) connects the town with Douglas to the north-east and Port Erin