Newly constructed and ready for immediate occupancy from Hamptons builders, Pike Development.125 Laurel Valley is a masterfully designed contemporary home in the desirable Northside Hills community of Sag Harbor. This home is being offered furnished, blending California-cool aesthetics with all the luxury and sophistication expected from modern Hamptons living. Set on 1.5 +/- acres and offering 5,240 +/- sq. ft. of beautifully appointed interior space on 3 levels, 5 ensuite bedrooms, 5.5 baths, attached garage, a heated saltwater gunite pool, waterfall spa, and Har-Tru tennis court-creating an oasis of relaxation and leisure. With flawless execution of every detail, the home spans three light-filled levels, connected by an interior elevator ensuring effortless access to every space. The open-concept main level, perfect for both casual living and elegant entertaining, features a combined living and dining area centered around a sleek gas fireplace. Three sets of Marvin glass doors provide a seamless transition to the expansive Trex deck, inviting guests to enjoy alfresco dining or relax poolside. The gourmet eat-in kitchen, designed by Ciuffo Cabinetry, is a chef's dream with premium Wolf and Sub-Zero appliances, a stunning quartz backsplash, prep sink and a central island that seats four. A junior primary suite, ideal for guests, and a chic powder room complete this level. Ascending to the second floor, you'll find a sun-drenched landing open to the grand double-height entryway. The primary suite is designed to offer the ultimate in luxury and comfort, featuring a private mahogany balcony, a spacious walk-in closet, and a spa-inspired bathroom with a marble-lined double vanity, soaking tub, and glass-enclosed shower. Two additional ensuite bedrooms are also found on this floor-one with its own balcony-along with a conveniently located laundry room. The finished walkout lower level expands living spaces further, offering a large living room perfect for movie nights, a fifth ensuite bedroom with a walk-in closet, a second laundry room, powder room and garage access. With high ceilings and abundant natural light, this level provides comfort and functionality. The outdoor living spaces are just as impressive as the interior, with the 20X40 heated gunite saltwater pool and attached 8x8 waterfall spa forming the centerpiece of the backyard. Surrounding the pool are elegant marble accents and extensive landscaping. For tennis enthusiasts, the Har-Tru tennis court promises hours of play, while the lawn offers room for additional outdoor activities or quiet relaxation. Mature trees frame the property, ensuring privacy, while the meticulously manicured grounds create a serene environment. This fully automated Savant smart home offers everything needed for comfortable year-round living in the Hamptons, from smart design to state-of-the-art amenities. Additional highlights include solid 6"rift white oak floors throughout, Marvin glass windows and doors, solid core interior doors, motorized shades, irrigation and heating/AC zones in every room. Close by are the picturesque waterfront and the vibrant villages of Sag Harbor and Bridgehampton, delivering a quintessential Hamptons lifestyle. Whether you're enjoying the sun by the pool, playing tennis, or exploring nearby beaches and dining, this residence offers the perfect combination of privacy, luxury, and convenience.