Set on a rare and secluded 3.5-acre flag lot in Historic Springs, this brand-new, high-performance eco-luxury home delivers a rare combination of sustainability, modern design, and resort-level amenities. Meticulously built by IQ East Hampton & Smart Homes of the Hamptons, this elegant 6-bedroom, 7 full and 2 half-bath custom residence offers a serene and stylish retreat just minutes from bay beaches, farm stands, galleries, and the vibrant cultural life that defines Springs. The heart of the home is a dramatic double-height great room with floor-to-ceiling glass walls that open to expansive hardwood decks, leading to a 50' heated saline Gunite pool with spa. Surrounded by professionally landscaped park-like grounds, the magical outdoor living spaces include a pool house with half bath and outdoor shower, sunken Zen garden, gas fire pit, covered outdoor kitchen and dining pavilion, and Sonos-wired speakers-creating an indoor-outdoor flow ideal for entertaining. Inside, the custom chef's kitchen features Caesarstone counters, an oversized island, Wolf & Sub-Zero appliances, dual ovens, two dishwashers, a 48" fridge/freezer, and a wine fridge. The adjacent butler's pantry includes a second fridge, ice maker, and folding service window to the outdoor kitchen. A separate walk-in pantry and full laundry room provide added convenience. The bedroom wing includes a serene primary suite with a large walk-in closet, spa bathroom with radiant heated floors, electric bidet/toilet, and make-up vanity nook. Three additional spacious ensuite bedrooms and a stylish powder room complete the main level. All bathrooms are outfitted with heated towel rails for ultimate comfort. The spacious light-filled lower level offers two more ensuite bedrooms-one with a private walk-out patio-as well as a large media/TV room, fitness center, sauna, studio/flex space, temperature-controlled wine cellar, and additional space ideal for conversion to a home theater. Other highlights include: Solar-assisted power system for energy efficiency 5-ft gas fireplace Hidden Nexus remote-control ceiling TV lift Attached 2-car garage Room for tennis, pickleball or padle court Private and peaceful setting minutes to Gerard Drive, bayfront restaurants, and East Hampton/Amagansett villages. A truly exceptional opportunity to own a cutting-edge, environmentally conscious modern estate that seamlessly blends luxury, technology, and tranquility in one of East Hampton's most beloved neighborhoods.