Situated on one of Sagaponack's most coveted lanes South of the Highway, this newly constructed estate offers approximately 9,700 square feet of living space, complemented by 1,157 square feet of accessory structures. Thoughtfully designed for both luxury living and entertaining, the home features 8 bedrooms, 9 full baths, and 3 half baths across three levels, all serviced by an elevator. A grand foyer welcomes you into expansive living spaces, including an oversized chef's kitchen with breakfast nook that opens seamlessly to the great room, highlighted by a 60 inch wood burning fireplace. Formal dining with butler's pantry, along with a separate family room leading to a covered porch with gas fireplace, creates multiple areas for gathering. A first floor secondary primary suite provides ideal accommodations for guests, along with a mudroom, laundry, and direct access to the two car garage. The second floor is anchored by an oversized primary suite featuring a masonry fireplace, private terrace, spa like bath, and two walk in closets. Three additional en suite bedrooms, an outdoor common terrace with gas fireplace, and a second laundry complete the level. The lower level is designed for recreation and wellness, offering a large entertaining room with sit down bar, theater, and a full gym with wellness bath including sauna, steam, and cold plunge. Three additional en suite bedrooms complete this level. Outdoor amenities rival a private resort, featuring a sunken all weather tennis court, a 50 foot pool with spa, and a pool house with pergola, wet bar, bathroom, and outdoor shower. Expansive patio areas provide the perfect setting for outdoor entertaining. Scheduled for completion February 2027, with the opportunity to be in by early next year. Ideally located just moments from Sagg Store and approximately one mile to Town Line Beach, this is a rare opportunity to secure a brand new Sagaponack South estate in a premier location.