Fair Field Estate
Sagaponack, N.Y.
Owner: Ira Rennert, investor
Approx. value: $185 million
Size: 63 acres, 110,000 square feet (66,000 square feet house)
Features: 29 bedrooms; 39 bathrooms; 3 dining rooms; 3 swimming pools; 164-seat theater; recreation pavilion with basketball court, gym, and bowling alley; two courtyards with fountains; English formal gardens; guardhouses at entrances; power plant.