A luxury penthouse in a still-under-construction Gold Coast high-rise has sold for $5 million as hungry buyers continue to snap up prized real estate. The mystery buyer purchased the top-level unit in the $75-million Vue Broadbeach tower more than a year before the development is expected to be completed.

Sales manager Sarah Andrews said the buyer was “taken” by the tower’s quality and range of residential offerings. “The overall design, which is very organic, will provide a real point of difference from the outside, while the inside feature a resident’s lounge, sauna, and alfresco barbecue areas,” she said. Ms. Andrews said sales had been strong since it launched at the beginning of the year, with just 15 apartments left.

Buyers are being lured in with the promise of low body corporate fees in the tower, which will feature an entire floor of residential facilities…