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Why ‘The Billabong House’ is Australia’s Best Ultra Prestige Opportunity

June 25 2026

Two recent sales along The Corso, a blue-chip Isle of Capri address, have redefined the value proposition of another premium estate currently up for sale.
Why ‘The Billabong House’ is Australia’s Best Ultra Prestige Opportunity

A landmark Isle of Capri estate is redefining what value looks like at the top end of the Gold Coast market, following the recent sale of two waterfront blocks for a combined $14.5 million.

The two parcels, measuring approximately 1,000 square metres with 25.6 metres of water frontage, sold in a single off-market transaction, placing land values along the riverfront strip at about $14,500 per square metre.

It is the first time the price point has been reached on The Corso and confirms that the address is at the absolute pinnacle of Gold Coast riverfront real estate.

The result also reframes the conversation around the enclave’s most prestigious listing – ‘The Billabong House’.

Land Alone Worth $30 Million

Located at No. 57-63 The Corso, the estate occupies a rare 2,101-square-metre holding overlooking Main River, Girung Island, and the Surfers Paradise skyline from a perfect northern aspect.

Applying current land values to the site, the land element alone is worth approximately $30 million, with a four-block amalgamation unlikely to be repeated on the street.

For buyers, these calculations mean that the architect-designed, concrete construction home, covering more than 2,000 square metres and with an estimated replacement cost exceeding $25 million, is effectively being offered at no cost.

Kollosche Managing Director and listing agent Michael Kollosche said the two recent sales highlights the locations’ value for buyers.

“For someone to commit $14.5 million to 1,000 square metres, with the intention to spend another $10 to $12 million building a prestige home, tells you that the market sees value in the location,” he said.

“At The Billabong House, you’re acquiring more than double that land area, with a world-class residence already in place, at a price the land alone justifies. The house is essentially a bonus.”

A Home That Cannot Be Replicated

The Billabong House is not a typical prestige listing. Assembled over time from four separate parcels, it offers 52.7-metres of river frontage facing northeast across Adams Basin, with sweeping views of Surfers Paradise on one side and the green expanse of Lex Bell Park on the other.

The residence itself is exceptional, featuring vaulted raked timber ceilings, floor-to-ceiling glazing, a central pyramid skylight, and five ensuite bedrooms complemented by a self-contained caretaker’s residence with private entrance. It comes with a secluded stretch of sandy beach, recently refurbished twin-head jetty, boat pontoon, sauna, spa, plunge pool, and full gymnasium.

While ready for immediate occupation it could also be upgraded using the existing high-volume structure to create one of Australia’s most prestigious waterfront estates.

Once-in-a-Generation Opportunity

“The opportunity to secure a holding of this level and at this value simply doesn’t come around,” Mr Kollosche said. “History will prove this to be an exceptional financial and lifestyle proposition.”

For buyers operating in the ultra-premium market, the math is clear. The Billabong House is being offered at a level where the improvements cost nothing, a circumstance that on Main River may never present again.

“In a few years, history will show this iconic property will yield exceptional upside for a capital gains tax-free owner-occupier or savvy developer. Today, it is easily the most enticing ultra prime residential opportunity in Australia,” Mr Kollosche said.

To enquire about 57-63 The Corso, Isle of Capri, contact Michael Kollosche on 04111 888 15.

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