Communications in the Isle of Man were taken over by the GPO. The internal telegraph system was extended within a year to Castletown and Peel, however by then the previous lack of modern communications in Castletown had already started the Isle of Man Government on its move to Douglas. Due to increasing usage in the years following nationalisation, further cables between Port Cornaa and St Bees were laid in 1875 and 1885. By 1883 Smith's Directory listed several telegraph offices operated by the Post Office, in addition to those at Douglas, Ramsey, Castletown and Peel the telegraph was also available at Laxey, Ballaugh, and Port St.
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