Castletown, Isle of Man House of Keys moved from Castletown to Douglas. The Isle of Man Census 2011 lists the town's population as 3,097 (2006: 3,109) It is the fourth largest town on the island, after Douglas, Ramsey and Peel, but is also smaller than Onchan and Port Erin, which have the status of villages. The town lies on the northwest side of Castletown Bay. The opposite shore of the bay is the west coast of the distinctively-shaped Langness Peninsula. To the north-east are Ronaldsway Airport and industrial zone, and the village of Ballasalla; to the north-west the villages of Ballabeg and Colby; and
Port St Mary and was demolished in the 1970s, with the village's garden of remembrance and war memorial occupying the site. Port St Mary is served by St Columba's Catholic Church, which lies just outside the village and is shared with Port Erin. It is a chapel of ease in the parish of St Mary's with St Columba's in the Archdiocese of Liverpool. There are two pubs in Port St Mary - the Albert and The Railway Station, the Bay View Hotel having closed a number of years ago. The Railway Station Pub being adjacent to Port St Mary railway station on the