Just listed at $139 million, this 60,000-square-foot palatial estate at 935 Hillsboro Mile in Hillsboro Beach, known as Le Palais Royal, sits on over four acres and is currently the most expensive listed house in the United States. With 465 feet of beachfront, the French-inspired Beaux Arts estate boasts 11 bedrooms, 17 bathrooms, 492 linear feet on the Intracoastal Waterway, an underground garage with parking for over 30 cars, a 22-kt. gold-leaf gate, $2 million marble grand staircase, a 1,300-gallon aquarium and its own IMAX theater. Other features include three master bedroom suites and a presidential master suite, chef’s kitchen, a 4,500-square-foot infinity-edged pool with fire pit and swim-up bar, summer kitchen with pizza oven, putting green and an air-conditioned kennel for guard dogs. Under construction, the house is scheduled for completion by the end of 2015. Contact William Pierce at Coldwell Banker. 954-648-3131, coldwellbanker.com.
—Robyn A. Friedman