A newly built modern showpiece with sweeping bay and pond views, this North Haven estate offers rare privacy on 3.65 acres, less than a mile from Sag Harbor Village. The 8,960 +/- SF main residence spans 8 bedrooms and 8.5 baths, complemented by a pool house, a heated gunite infinity saltwater pool, and an attached 2-car garage, all set between Fresh Pond and Sag Harbor Bay for a serene, waterside backdrop. There is plenty of room to build a pickleball or padel court behind the pool house. Interiors are bright, expansive, and impeccably finished. A double-height foyer and custom white oak floating staircase lead to an open great room with a stone-clad gas fireplace and soaring glass. The chef's kitchen is designed for effortless entertaining with marble counters, an oversized island with seating, Sub-Zero refrigerator/freezer and wine fridge, Wolf range, dual Bosch dishwashers, and a full butler's pantry. Retractable glass doors connect the dining area to 2 covered porches for seamless indoor-outdoor living. The main level features a junior primary suite with porch access, dual walk-in closets, and a spa-like bath with steam shower, soaking tub, double vanities, and private water closet, plus an attached sitting room/office. A second living room with fireplace, mudroom, powder room, and a laundry room with dual washer/dryers complete the floor. Upstairs, the primary suite captures water views and includes 2 walk-in closets and a luxurious bath with steam shower, soaking tub, dual vanities, and private water closet. A lounge with wet bar overlooks the great room and opens to a terrace, while the guest wing offers 5 ensuite bedrooms with walk-in closets and a second laundry for added ease. Outside, a 20' x 50' heated gunite infinity saltwater pool with an integrated spa is surrounded by mahogany-covered terraces and limestone patios for dining and lounging. The pool house adds a kitchenette, 2 seating areas, and a built-in gas firepit-perfect for long summer afternoons and evenings under the stars. Finished in mahogany and stucco with EPDM roofing, the property is professionally landscaped with arborvitae, cryptomeria, and privet hedging for natural screening and year-round beauty. A refined, resort-like retreat in one of Sag Harbor's most coveted enclaves, with marinas, beaches, dining, and the Village all within easy reach.