Four Fairfield Pond, Sagaponack, New York: is the home of Ira Rennert, owner of Renco Group. The house features 21 bedrooms and 18 bathrooms, a 164-seat theatre with a large stage, a 27 m-long dining room, a private power plant, a bowling alley, a basketball court, tennis courts and three swimming pools, a massive garage that can park around 100 cars. The mansion also has a private hot tub, helipad and helicopter as well as a colossal art collection. It has an estimated value of over USD 248 million