Welcome to 3 Martingale Gate, a luxurious and completely reimagined estate nestled on a quiet cul-de-sac in the heart of Nissequogue. Set on two private, level acres, this stunning brick-fronted residence blends timeless design with modern luxury in one of Long Island’s most desirable communities. Just moments from Nissequogue Golf Club, Smithtown Yacht Club, and the North Shore’s beautiful beaches, this home offers a lifestyle defined by privacy, recreation, and coastal elegance. The first floor welcomes you with wide plank hardwood floors, vaulted ceilings, custom millwork, and designer lighting. An open, flowing floor plan connects the formal living and dining rooms to a spacious family room and a gourmet chef’s kitchen. The kitchen features a Thermador gas range with indoor grill, KitchenAid double wall ovens, oversized refrigerator, beverage fridge, quartz countertops, double pantry, ceiling-height cabinetry, and custom finishes. Additional highlights include a home office with access to a covered portico, a guest powder room, full laundry room, and a private guest suite with en-suite bath. Upstairs, the expansive primary suite includes two walk-in closets and a spa-style bathroom with heated floors. Three additional bedrooms and two updated full bathrooms complete the second level. The fully finished lower level offers flexible space including a sixth bedroom with en-suite bath, an additional office or bonus room, a gym, a custom wet bar, and a large recreation area ideal for media, gaming, or a golf simulator. Full-size windows, walk-out access, and a French drain system provide natural light and convenience. Outdoors, enjoy your own resort-style retreat with a heated saltwater pool, separate jacuzzi, outdoor kitchen with built-in grill, sink, beverage fridge, cabana, outdoor TV, and a Tuscan-inspired bluestone patio—all set within professionally landscaped grounds. Additional features include a three-car garage with new openers, full walk-up attic, new multi-zone central air units, high-capacity hot water heater, whole-house 2x6 framing, a Generac generator, and a full-home water filtration system for enhanced quality and peace of mind. Located near Long Island Sound, scenic beaches, yacht and golf clubs, and nearby marinas, 3 Martingale Gate offers a rare opportunity to enjoy luxury living in a serene coastal setting with access to world-class recreation and natural beauty.