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n Palm Beach, Florida's exclusive and pricey real estate market, a mysterious buyer is on the hunt for hundreds of millions of dollars' worth of properties to create what could be America's most expensive "billionaire bunker." According to OneWorld Properties CEO Peggy Olin, this kind of large-scale acquisition signals that South Florida will continue to attract high-net-worth individuals seeking elite status and a safe haven. "It's all about connectivity," she explained.

    The Wall Street Journal reported in June that an unidentified buyer had spent around $250 million on four properties north of Mar-a-Lago, including two oceanfront lots and two adjacent homes. The deal was reportedly close to the $200 million asking price, but the buyer's agent declined to reveal their client's identity.

    Sources familiar with the situation told the Journal that the same buyer purchased an $18 million home across the street from one of the beach plots via an unsolicited offer, followed by a $30 million house next door. The two homes sold for significantly more than market value.

    The Wall Street Journal analyzed incorporation records and found that the inland properties were sold to a Delaware-based limited liability company tied to Seattle-based lawyer Greyson Blue, who works with a law firm connected to Bill Gates' father. Olin noted that the privacy, lifestyle, and tax benefits of South Florida are driving activity in the area's real estate market.

    The buyer has also made off-market offers for other nearby properties, including rockstar Jon Bon Jovi's home next door, but the singer has been reluctant to sell. "They want to remain as private as possible," Olin said. "Palm Beach is becoming one of the few places in the country where you find billionaire bunkers or billionaire rows."