Brisbane Skytower is a 269.6-metre (885 ft) skyscraper at 222 Margaret Street in Brisbane, Queensland, Australia. The 90-storey residential tower is Brisbane's tallest building, and the sixth tallest building in Australia. It is also the largest residential building in the southern hemisphere. Brisbane Skytower is one of two buildings in the 111+222 development; the other being a 42-storey, five-star Westin hotel at 111 Mary Street which was sold in September 2015 to the Felicity Hotel Group and now known as Mary Lane.