The Old House of Keys is the former meeting place of the House of Keys, the lower house of Tynwald, the Isle of Man's parliament. It is located across the street from Castle Rushen in Castletown, the former capital of the Isle of Man, in the south of the island. The building was used as the House of Keys from 1821 until 1874, when the parliament was moved to Douglas.

Castle Rushen is a medieval castle located in the Isle of Man's historic capital, Castletown, in the south of the island. It towers over the Market Square to the south-east and the harbour to the north-east. The castle is amongst the best examples of medieval castles in Europe and is still in use as a museum and educational centre.