Perched in the prestigious Belle Terre, this exceptional residence captures sweeping, unobstructed views of Port Jefferson Harbor and delivers a rare blend of refined luxury, privacy, and coastal elegance. Set on over two acres, this sprawling ranch has been thoughtfully reimagined to offer a seamless balance of modern sophistication and timeless design. From the moment you arrive, the home's expansive setting and commanding water views create a lasting impression. Inside, soaring vaulted ceilings and walls of glass invite natural light. This is a full open-concept living environment. The dramatic double-sided fireplace anchors both the living and dining spaces, creating an ideal backdrop for both everyday living and elevated entertaining. The designer kitchen is nothing short of spectacular, appointed with premium appliances including a statement La Cornue range, exquisite Calacatta quartz surfaces, and an oversized island designed for gathering. A well-equipped butler's pantry with prep sink and wine refrigeration enhances functionality while maintaining a polished aesthetic. The primary suite serves as a private retreat, offering tranquil water views, a custom inspired bathroom, and convenient access to laundry. Additional bedrooms are generously sized and thoughtfully positioned, while a sun-drenched bonus space provides flexibility for a home office, fitness studio, or serene lounge. The lower level extends the home's living space with exceptional versatility, featuring a guest suite or office, summer kitchen, and an impressive theater room designed for a true cinematic experience. Sliding doors open to multiple outdoor living areas including an expansive Trex deck and hot tub, are perfectly oriented to take full advantage of the stunning waterfront backdrop. A newly constructed detached two-car garage with private EV charging station, along with modern systems including gas heat, central air, and whole-house generator, ensure both comfort and convenience. Located in Port Jefferson and offering access to the exclusive amenities of Belle Terre, this remarkable property presents a rare opportunity to own a turn-key harbor view retreat where every detail has been carefully considered and every view is unforgettable.