The Marjorie Merriweather Post estate in Palm Beach, Florida. She built the house with her (then) husband, Edward F. Hutton. The house was designed by Marion Sims Wyeth and interiors decorated by Joseph Urban. It was declared a National Historic Landmark in 1980. The 118-room, 110,000 ft² (10,200 m²) estate is owned by Donald Trump who holds 51% ownership and ex-wife Ivana Trump who holds 49% ownership. The house itself is 62,000 ft² (5,760 m²).
Homes - Famous, Homes - Celebrity - Business
Links: en.wikipedia.org, www.maralagoclub.com