This former Designer Showhouse features 11,000 square feet of living on 3 levels. It is unique as one of the largest Sag Harbor estates just outside Sag Harbor Village, just a mile to Long Beach.Drive down a private 300' drive, which opens to a courtyard and 125' wide home with tremendous curb appeal. The property is surrounded by 67 acres of protected reserve for total privacy. Inside, the home features 6 oversized ensuite bedrooms on the top two levels, plus a studio â€œapartmentâ€� with ensuite bath and private entrance.The common areas are spacious, including a 2-story foyer, 2-story living room, 36x16 family room with glass on 3 sides, and a showcase Bakes & Kropp kitchen with breakfast room and fireside family room. There is also a screened porch and covered porch, for indoor/outdoor living.The home features a palatial 1750 square foot master suite, including sitting room, office, dressing room, and showcase bath. A private balcony oversees a most spectacular back yard. There are 3 guest suites upstairs, an enormous first floor master suite, and a first floor guest bedroom. The lower level is an extension of upstairs, with a Barbara Ostrum-designed theater, gym, game room, bar, and spectacular wine cellar. Above the 2-car garage, the house features a 400 square foot studio with ensuite bath and private entrance. The outside is nothing short of a resort experience, with 2000 sq. ft. of wrap-around porches overlooking park-like grounds. Features include a 20' x 46' show-stopper pool with spillways, 8-person spa, sunbed, designer firepit, pool house, sit-down outdoor bar, barbecue, and tennis! Steps to Sag Harbor Village, marinas, and Long Beach in one direction, and a straight shoot to Bridgehampton Village and Ocean Beaches in the other, this 5 acre estate is unique, and priced to sell at $5.5MM.