Inside Florida’s $218 Million Private Island Mansion: A Record-Breaking Slice of Luxury in Palm Beach
PALM BEACH, FL – On Florida’s exclusive Intracoastal Waterway sits one of the most extraordinary properties in U.S. real estate history: a sprawling mega-mansion originally listed for a staggering $218 million. Located on its own private island in the heart of Palm Beach, the property known as 10 Tarpon Isle has redefined luxury living and captured the attention of global investors, celebrities, and architecture aficionados alike.
The Island Estate
Tarpon Isle is the only private island in Palm Beach, spanning approximately 2 acres and offering 360-degree water views. Created over 80 years ago as a man-made island, it sits just minutes from Worth Avenue and The Breakers Hotel, making it a rare blend of privacy and accessibility.
The estate’s architectural style blends Colonial symmetry with sleek modern luxury, delivering a bright, open interior anchored by waterfront views from nearly every room.
Property Highlights
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Total Area: Over 21,000 square feet of living space
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Bedrooms/Bathrooms: 11 bedrooms, 15 full bathrooms, and 7 half-baths
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Layout: Includes a main residence, guesthouse, tennis pavilion, and full spa wing
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Outdoor Features: Two swimming pools, a lighted tennis court, and two yacht-ready docks
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Entertainment & Wellness: Full gym, massage room, sauna, wine cellar, home theater, salon, and billiards room
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Kitchen: Chef-grade appliances, Calacatta marble surfaces, and a massive butler’s pantry
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Master Suite: Dual marble-clad bathrooms, private lounge, and east-facing views over the Atlantic
Every detail in the home screams opulence from Italian stone flooring to custom woodwork and top-of-the-line smart home tech, including Tesla chargers, full backup power systems, and biometric security.
A Price Tag That Made History
Originally listed at $218 million, the mansion made headlines as one of the most expensive residential listings in U.S. history. Although it didn’t sell at that record-setting price, it ultimately closed in May 2024 for $152 million, marking it as one of the top five most expensive homes sold in the U.S. that year.
The buyer? Australian private equity billionaire Michael Dorrell, who reportedly plans to use the property as a seasonal home.
Market Implications
Despite a softening in some luxury markets nationwide, South Florida continues to be a magnet for wealth migration and mega-sales. The Tarpon Isle property highlights the enduring appetite for elite homes offering rare features—especially full island ownership within city limits.
According to analysts, the sale demonstrates that even in a shifting economy, the ultra-high-net-worth market remains active and resilient, especially in tax-friendly states like Florida.
Final Word
This Palm Beach estate is more than a home it’s a landmark. With unmatched privacy, architectural excellence, and an amenities list that reads like a resort brochure, 10 Tarpon Isle is a case study in what the ultra-rich demand—and are willing to pay for—in a legacy property.
