Castletown, Isle of Man network "Bus Vannin", a government-run service which replaced the railway-operated Isle of Man Road Services in 1976. The town is also served by Castletown railway station, on the sole remaining section of the Isle of Man Railway, a 3 ft narrow gauge steam-operated railway which now runs 15 miles from Douglas to Port Erin. The railway station is on the northeasterly edge of the town next to Poulsom Park and playing fields, and was at one time used to transport beer from the Castletown Brewery as well as cattle and other livestock; remnants of the cattle dock are still visible
Communications in the Isle of Man on as their manager on the island. By 1901 there were 600 subscribers, and the telephone system had been extended to Ramsey, Castletown, Peel, Port Erin, Port St. Mary and Onchan. On 1 January 1912 the National Telephone Company was nationalised and merged into the General Post Office by the Telephone Transfer Act 1911. Only Guernsey, Portsmouth and Hull remained outside of the GPO. In 1922, the General Post Office offered to sell the island's telephone service to the Manx government, but the offer was not taken up. A similar arrangement in Jersey for that island's telephone service was concluded