Crown Sydney (also referred to as One Barangaroo) is a skyscraper in Barangaroo, New South Wales, Australia. Designed by WilkinsonEyre, it stands at a height of 271.3 m (890 ft) with 75 floors, making it the tallest building in Sydney and 4th tallest building in Australia. It was developed by Crown Resorts, primarily comprising a hotel and residential apartments, while a casino and other hospitality venues make up the rest of its floorspace. Construction first began in October 2016, before topping out in March 2020. The tower was inaugurated to the public in December 2020.