Gold Coast: $8.9M Penthouses Set New Luxury Benchmark

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A new ultra-luxury development on Queensland’s Sovereign Islands is poised to attract interest from elite buyers seeking grand living without the burden of estate-style maintenance.

Real estate agency Kollosche has relaunched The Sovereign Collection, a rare offering of six expansive penthouses, each priced from $8.995 million. Located in one of Australia’s most tightly held waterfront enclaves, this project marks the first approved luxury apartment development on Sovereign Islands.

“Sovereign Islands is known for its exclusivity, and this release offers a lifestyle alternative never before seen here,” said Kollosche Managing Director Michael Kollosche. “It provides the space and privacy of a freestanding home in a low-maintenance, secure format.”

The project targets high-net-worth individuals seeking convenience and privacy. Each penthouse spans 545–584 square metres, offering an entire floor of internal living space and private rooftop areas. Features include open-plan living and dining, full-width balconies, butler’s kitchens, three bedrooms, and a master wing. Rooftops are fitted with private pools, alfresco dining areas, and panoramic views across the Broadwater.

Each residence also includes a deepwater marina berth and a secure three-car garage. Interiors have been designed by renowned architect Koichi Takada, with construction expected to begin in late 2025.

The Sovereign Collection is backed by Sovereign Treasure Investments Trust, led by Ching Chiat Kwong, with Core Property Partners as the local development partner.

“This is luxury reimagined,” Mr Kollosche added. “It caters to buyers who appreciate generous space but prefer a simpler, lock-and-leave lifestyle.”

Core Property Partners Managing Director Nathan Andersen stated that the project would raise the bar for prestige living on the Gold Coast. “The Sovereign Collection will stand apart through its architectural design, marina access, and emphasis on privacy,” he said. “It’s designed to deliver a new standard of high-end residential living in Australia.”

Sovereign Islands, located at the northern end of the Gold Coast, are accessed via a private bridge and are known for their high concentration of prestige homes. It has historically drawn affluent buyers, including public figures and business leaders.

Interest is expected from both domestic and international buyers seeking luxury waterfront property in one of Australia’s most secure and sought-after residential pockets.

“This is a genuinely unique opportunity,” Mr Kollosche said. “There is nothing comparable available in the current Australian market.”