Palm Beach, Fla.

1220 South Ocean Boulevard
Listing price: $84 million
Year built: 2010
This gated French château-style home sits on 2.5 acres in one of Palm Beach’s most desirable areas, on the waterfront near the Bath & Tennis Club and Mar-A-Lago. The 27,300-sq.-ft. residence was completed this spring by Dan Swanson, president of Addison Development, and has eight en suite bedrooms, nine bathrooms, a 60-ft. pool, a separate guesthouse, and room to park 50 cars.