Q1 (which means Queensland number 1) is a skyscraper on the Gold Coast. It is Australia's tallest skyscraper. It used to be the world's tallest residential tower (including the spire). The building is 322.5 meters high (1,058 feet) including the spire. However without the spire, it's only 275 meters (902 feet). Only the Eureka Tower in Melbourne is taller without the spire with 300 meters.2000