4) Fairfield Pond Estate – $249 Million

Owned by billionaire Ira Rennert, the $249 million Fairfield Pond is a 63-acre oceanfront compound. The 110,000 square foot home has 29 bedrooms, 30 bathrooms, a power plant, three swimming pools and much more.

3) Park Place Estate – $218 Million

In August 2012, Russian businessman and banker Andrei Borodin bought Park Palace Estate  in Berkshire for £140m ($218 million). Set in large grounds above the River Thames, the Park Palace is a historic Grade II listed country house and gardens. It boasts a helipad, spa complex, home cinema and high-tech security system.