Financier Mark Marcello dropped $36 million on a Palm Beach estate in the Mar-a-Lago Security Zone.
Records show his 150 Clarendon Avenue LLC, a Florida entity, bought the mansion at 160 Clarendon Avenue from John and Marilyn Breyo. Lawrence Moens of Lawrence A. Moens Associates represented both sides of the deal.
Marcello is a longtime West Palm Beach resident and a partner in his father’s Windsor Capital Partners investment firm. In 2007, he bought his waterfront home at 5009 South Flagler Drive for $1.8 million, records show.
John Breyo was a longtime executive at Ayco Corporation, a personal financial counseling firm that was acquired by American Express in 1983 and by Goldman Sachs in 2003. Ayco remains a key division in Goldman’s wealth management services.
The Breyos bought the Clarendon Avenue estate for $2.3 million in 2000, according to property records. It was built on 1.5 acres in 1999 and includes an 8,900-square-foot mansion with five bedrooms, six bathrooms, two half-bathrooms, a gym and a pool, records and the listing show.
The Breyos first listed the mansion for $55 million in 2022, at the height of Palm Beach’s pandemic market craze. It has been on-and-off the market since, with the price dropping precipitously in the years since.
The sale marks the latest pricey deal in the Mar-a-Lago Security Zone. Clarendon Avenue is the upper limit of the area secured by the Secret Service when President Donald Trump is visiting his private club and residence on the island. It has emerged as a hub of luxury deals since the 2024 election, with agents citing heightened security and proximity to power as neighborhood perks. Last month, real estate investor Robert Miller and his wife Linnette Miller bought a Clarendon Avenue home for $25 million.
Price cuts are helping move deals along this season. Earlier this month, an oceanfront historic home designed by celebrated Palm Beach architect Marion Sims Wyeth sold for $28 million, a $10.7 million discount from its listing price a year ago.
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