Sophisticated indoor-outdoor living awaits in this stunning Water Mill six-bedroom, seven-and-a-half-bathroom traditional Hamptons Shingle residence bordering a 47-acre agricultural reserve featuring exquisite designer interiors, extraordinary craftsmanship, and expansive, nearly 2-acre grounds with a pool and tennis court. Built in 2006 by Keith Seigerman with interiors by Ken Alpert, this 8,000+/- total-square-foot showplace creates a comfortably grand ambiance with soaring ceilings, four-inch oak flooring, intricate millwork and Lefroy Brooks fixtures throughout. From the impressive double-height entry, you're invited into formal living and dining rooms boasting tall wainscoting, coffered ceilings and a wood-burning fireplace. The sprawling, eat-in kitchen awaits your culinary skill with custom cabinetry, double islands and a fleet of Viking stainless steel appliances. With its fireplace and built-in wet bar, the oversized family room is sure to become a favorite gathering spot. An extra-large main-level bedroom suite completes the first floor. Outside, the large covered porch is perfect for al fresco dining and entertaining alongside the herringbone brick patio, covered porch, and a summer kitchen with a built-in Wolf grill and refrigerator. Lush lawns, stacked stone walls, and terraced planter beds surround the heated gunite pool and spa. Above, the Har-Tru HydroCourt tennis court awaits your next match. This serene 1.9-acre property borders a 47-acre agricultural reserve and also includes a state of the art playground, landscape irrigation, and professional lighting by Orsman Design. Ascend the central staircase or board your private elevator to arrive on the upper level, where the magnificent owner's suite boasts an enormous windowed walk-in closet and a private balcony overlooking the lush grounds. The en suite spa bathroom beckons with radiant heat floors, a wide double vanity with a knee space, jetted soaking tub and a huge walk-in shower for two. Four more bedroom suites with private baths on this level, plus two rooms on the lower level, provide luxurious accommodations for friends and family. On the finished, walk-out lower level, enjoy a movie theater, additional bedrooms, wine room and a large rec room with space for a home gym. This home's extensive upgrades include a video security system, integrated Sonos sound, and eight-zone climate control with forced air heat. A wide driveway and three-car attached garage with an EV charger provide plenty of parking, while the cedar shingle siding and roof add classic good looks to this handsome Hamptons hideaway. In this wonderful Water Mill location, you're under two hours to NYC, surrounded by bucolic farmland with easy access to Montauk Highway and nearby beaches, including Flying Point Beach, just over 3 miles away.