Castletown Steam Navigation Company appointment had been in the employ of the Isle of Man Steam Packet Company serving on the "Mona's Queen" with the rank of First Officer. In order to maximise revenue the Castletown Steam Navigation Company would also serve Douglas. In March 1856 the company commenced a service from Douglas via Castletown to Kingstown, and also served Holyhead from Castletown. In the summer of 1856 excursions were also organised from Castletown via Peel to Strangford Lough so as people could attend the Ardglass Regatta. At a meeting held at the Union Hotel, Castletown, on Monday 11 August 1856, a gift in
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