This spectacular expanded ranch sits on a deep waterfront lot along the Secatogue Canal, offering 185 feet of bulkheading and stunning, unobstructed bay views. Located on one of West Islip's most desirable tree-lined streets, the home is just four houses from the Great South Bay and 500 feet to the Babylon Cut—perfect for the ultimate boater's lifestyle. The pristine 4 bedroom home features an open-concept layout with four fireplaces, abundant living space, and king-sized bedrooms, plus a large bonus area on the upper level ideally suited for guest quarters or additional living space. Highlights include a sun-filled great room with cathedral ceilings, a wood-burning fireplace, and large windows framing breathtaking waterfront views. The gourmet eat-in kitchen boasts granite counters, a coffee bar, Jenn-Air cooktop, and premium GE Profile appliances. A luxurious first-floor primary suite offers a massive walk-in closet, private fireplace, and spa-like bath with steam shower, jetted tub, and radiant-heated floors. Additional features include rich hardwood floors, smart home automation, and a whole-house air compressor. The two-car garage is a standout with a BendPak lift, Hot Dawg heater, and dumbwaiter. Outside, beautifully landscaped grounds include a dedicated boating equipment shed. Walk to Babylon Village, LIRR, shops, and restaurants. A true boater's dream home blending luxury, convenience, and waterfront elegance.