Once the summer retreat of philanthropists Paul and Bunny Mellon, close friends of President John F. Kennedy and Jacqueline Kennedy, this Cape Cod estate is steeped in history. Bunny Mellon, designer of the White House Rose Garden, shaped the 7.5-acre grounds with orchards, native plantings, and winding pathways. The 7,300 sq. ft. residence, once filled with world-class art and star-studded gatherings, now anchors a compound with guest cottages, a beach house, private dock, and more than 500 feet of waterfront. Since 2013, the home has been owned by businessman and America’s Cup winner William I. “Bill” Koch. Koch recently auctioned nearly 8,000 bottles of wine from his renowned cellar in a historic three-day sale at Christie’s Rockefeller Center. The sale, The Cellar of William I. Koch: The Great American Collector, realized a total of US$28.8 million, setting a record for the highest price for a single-owner wine collection sold in North America. Discover more about this listing vi...