Elizabeth Quay railway station, also known as Esplanade station prior to 2016, is an underground railway station on the southern side of the Perth central business district in Western Australia. Elizabeth Quay station is surrounded by Mounts Bay Road to the north, William Street to the east, and Elizabeth Quay bus station to the west. The adjacent stations ar…Elizabeth Quay railway station, also known as Esplanade station prior to 2016, is an underground railway station on the southern side of the Perth central business district in Western Australia. Elizabeth Quay station is surrounded by Mounts Bay Road to the north, William Street to the east, and Elizabeth Quay bus station to the west. The adjacent stations are Perth Underground station to the north and Canning Bridge station to the south. The station is owned by the Public Transport Authority.