Two houses right on the Sunshine Coast sold for a combined $30 million on Saturday, in two back-to-back auctions that saw a high-stakes race for beachfront home ownership.

With one home on the north side of the Noosa Heads area and one on the east, each house had five registered bidders who were keen to jump on the rare chance for a home in the popular seaside location.

38 Seaview Tce, Sunshine Beach, is an architect-designed home, whose vendor was based out of Silicon Valley in the US.

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Tom Offermann marketed the properties for the Real Estate agency under his name, and said around 500 inquiries were made before bidding finally began.

“The mood at both auctions was electric,” he said. “Both had a high numbers of spectators, and each had 5 bidders who knew this was the time to step up and make it theirs.”

The biggest auction of the day was at 3 Allambi Rise, Noosa Heads: an older property owned by one Melbourne family for just under 50 years.

The 1960s cottage sported just three bedrooms and two bathrooms, and was sought after by investors and developers new home builders at the event.

3 Allambi Rise, Noosa Heads, had been owned by its vendors for just shy of 50 years.

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Bidders went head-to-head for the home as offers began to fly, with auctioneer Gordon Macdonald feeling the rain hitting his suit as he moved to make his final calls.

The home sold for $16.9 million. The suburb median property price is $1.75 million, showing just how valuable even outdated beachside properties are when compared to the rest of the area.

The second home at 38 Seaview Tce, Sunshine Beach, was owned by an expatriate based in Silicon Valley in the United States.

Bidding went back and forth to claim the house, millions of dollars at stake: finally selling for $13.1 million, making an even total of $30,000 between both sales.

“Noosa has become a top-tier national and global destination, and its real estate market is simply unstoppable,” Mr Offermann said.

“Those that have been waiting for a correction in the market and for prices to come down in Noosa will unfortunately be left behind.”