This impeccable Southampton estate is built on 6.66+/- acres and has five bedrooms, six and one-half baths plus room for tennis. This home has three separate heated and air-conditioned structures: a 5,300+/- sq. ft. main house, a 240+/- sq. ft. pool house that is finished with a full bath and shower, and a 900+/- sq. ft. recreational pavilion with full bath and shower plus a three-car garage. This extremely private estate is reached by a long driveway and has 14,000+/- sq. ft. of lawns around the property. This home is full of light and space, and crafted with the finest materials. The large windows and eight-foot doors are mahogany with "tilt and turn" German technology. Flooring is cypress staggered plank. A soaring 25-foot cathedral ceiling with custom cypress beams and skylights creates a dramatic light-filled space in the open-plan first floor. The expansive living/dining room is warmed by a magnificent Pentelikon marble fireplace. The custom Italian kitchen has gleaming stainless steel cabinets and shelving along with top-of-the-line stainless appliances by Sub-Zero, Wolf and Bosch. The countertops are Pentelikon marble. The master suite with deck access offers a Skyros marble raised fireplace, marble master bath with radiant-heated floor, and a large walk-in closet along with a library/office. Two additional guest suites and a laundry room complete the first floor. A glass-walled staircase leads to the second floor, where you will find two additional spacious guest suites. The lower level provides 1,000+/- sq. ft. of finished space for recreation, plus a full bath with steam shower and sauna. In addition, this lower level has an additional 3,500+/- sq. ft. of unfinished space with window and walk-out access, along with a wine room ready for finishing. Outdoors, a pergola overlooks the 50-foot heated gunite pool. Truly a spectacular residence.