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Selling your Palm Beach house to Sylvester Stallone and, five years later, listing your next place for $85 million isn’t luck. It’s a playbook. The same couple, Ron and Cindy McMackin, moved 15 miles south, leveled up to an ocean‑to‑lake compound with a private beach tunnel, and now they’re testing one of Manalapan’s boldest price points.
The story starts with a Palm Beach lakefront sale to Stallone in December 2020 and lands at 1660 S. Ocean Blvd., a trophy Manalapan home spanning from the Intracoastal to the Atlantic. Add a tunnel, a wellness wing, and resort amenities, and you get a rare property class that trades more on irreplaceable frontage than on square footage alone.
Key Takeaways
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The Manalapan home listed for $85 million is an ocean-to-lake estate owned by the couple who sold their Palm Beach home to Sylvester Stallone in 2020.
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Located at 1660 South Ocean Boulevard, the Manalapan home spans about two acres with frontage on both the Atlantic Ocean and the Intracoastal, plus a private tunnel to an oceanfront cabana.
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Purchased for $38.875 million in 2020, the home was expanded to nearly 23,000 square feet and is now listed for $85 million, reflecting the scarcity of ocean-to-lake properties.
The Palm Beach Sale That Started It All
The McMackins owned a lakefront property on North Lake Way in Palm Beach. The site spanned roughly 1.5 acres with more than 250 feet of lake frontage, a dock, and a sandy beach beyond the seawall. The estate included a main residence, a guesthouse, and a pool pavilion across more than 13,000 square feet.
In December 2020, during the peak of pandemic demand, the McMackins sold the home to Sylvester Stallone through a trust for a recorded $35.375 million. Stallone and his wife, Jennifer Flavin Stallone, later carried out major renovations and made the property their primary residence. The sale became a benchmark deal for Palm Beach lakefront pricing during that cycle.
Who are Ron and Cindy McMackin?
Ron McMackin is chairman of Pan‑Pacific Mechanical, an employee‑owned piping and mechanical firm with offices in California and Hawaii. Before Manalapan, the couple owned a Palm Beach compound with 253 feet of lakefront, a dock, and a sandy beach. After selling to Stallone, they shifted to an ocean‑to‑lake setup in Manalapan, then renovated and expanded the property.
Inside the $85 Million Contemporary Manalapan Home
This Manalapan home sits just south of Palm Beach on roughly two acres of land that stretches from the Intracoastal Waterway to the Atlantic Ocean. The property has about 165 feet of waterfrontage on both sides. The main house is located on the west, or lakeside, portion of the lot, with a private tunnel running beneath South Ocean Boulevard that connects directly to an oceanfront cabana and beach parcel.
The three-level contemporary residence was originally built as a speculative project by former Manalapan mayor Stewart A. Satter through Carnegie Hill Development Corp. Construction was completed by RWB Construction, with interiors and furnishings selected by Marc-Michaels Interior Design. Ron and Cindy McMackin purchased the Manalapan home in December 2020 for a recorded $38.875 million, marking one of the largest sales in the town at the time. After the purchase, they completed renovations and expanded the residence from approximately 20,825 square feet to nearly 23,000 square feet, including indoor and outdoor living areas.
The property is designed for full-time waterfront living and includes a lakeside saltwater pool with a whirlpool spa, a covered loggia with a summer kitchen, and a dedicated wellness wing with a gym and massage area. Additional features include a 240-bottle wine cellar, a separate guest apartment, and a seawall with a private boat lift and dock on the Intracoastal side.
In 2022, the McMackins acquired a nearby, slightly larger ocean-to-lake parcel for $26.775 million 1860 South Ocean Boulevard , where they are reportedly building another residence. The original Manalapan home is now listed for $85 million and is offered as a fully automated, move-in-ready waterfront estate with direct ocean access, strong privacy, and long-term land value in one of South Florida’s most limited coastal markets.
The $85 Million Manalapan Home Question
The McMackins paid about $38.875 million for this Manalapan home in 2020. The current $85 million list price reflects a spread of roughly $46.125 million before renovation and carrying costs.
This figure draws attention, yet pricing here does not follow standard price-per-square-foot logic. Ocean-to-lake Manalapan home parcels form a very small comparison set. Each site stands on its frontage, privacy, and pedigree.
The listing first appeared in The Wall Street Journal, which noted the sellers are building again nearby rather than leaving the area.
A Larger Pattern in Ultra-Luxury South Florida
Across South Florida, ultra-wealthy buyers often assemble land and build long-term compounds instead of short-term holds. Manalapan fits this pattern.
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Larry Ellison assembled multiple Manalapan properties and continues major upgrades.
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Ken Griffin built a multi-structure family compound in Palm Beach after years of land purchases.
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Jeff Bezos assembled properties in Indian Creek for privacy and land control.
These moves center on irreplaceable coastal land rather than short resale windows.
FAQs about the $85 million Manalapan home
Who owns the $85 million Manalapan home?
The Manalapan home is owned by Ron and Cindy McMackin, the same couple who sold their Palm Beach estate to Sylvester Stallone in 2020.
Where is the Manalapan home located?
The Manalapan home is located at 1660 South Ocean Boulevard in Manalapan, Florida, on an ocean-to-lake parcel with frontage on both the Atlantic Ocean and the Intracoastal Waterway.
Why is this Manalapan home priced at $85 million?
The price reflects the rarity of ocean-to-lake land, double waterfront frontage, a private beach tunnel, and limited supply in Manalapan rather than interior square footage alone.
What makes this Manalapan home different from other luxury homes?
This Manalapan home includes a legal underground tunnel connecting the main residence to a private oceanfront cabana, a feature found in very few South Florida properties.
How much did the owners originally pay for the Manalapan home?
The owners purchased the Manalapan home in December 2020 for approximately $38.875 million.
Work With Experts in South Florida Real Estate
When pricing, land scarcity, and long-term ownership strategies shape ultra-luxury markets, local insight matters. Stories like this Manalapan home highlight how ocean-to-lake properties, limited inventory, and buyer behavior influence value at the highest levels of South Florida real estate. Buyers and sellers benefit most when decisions are grounded in firsthand market knowledge rather than headlines alone.
The Mastropieri Group, Realtors®, works closely with buyers, sellers, and investors across Palm Beach County, offering perspective on waterfront pricing, neighborhood conditions, and long-term value trends. To speak with a local real estate professional, call (561) 544-7000.
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