9 Three Sisters Road Welcome to this beautifully maintained 3, 068 sq. ft. Colonial set on a private .91-acre property in the prestigious Village of Head of the Harbor within the Smithtown School District. This spacious home offers 4 bedrooms, 2.5 baths, a finished basement, and a 2-car garage. The inviting floor plan features a formal living room, formal dining room, family room, and bonus room perfect for a home office or playroom. Hardwood floors run throughout the home, complemented by two beautiful wood-burning fireplaces and a full-length attic for exceptional storage. The cherry and granite kitchen features updated appliances, while the renovated bathrooms offer granite double vanities and custom flooring. Recent updates include a new heating system and central air (2022), brand new hot water heater, 200-amp electric, roof (2021), and Andersen windows, including dormers, replaced in 2021. Exterior highlights include cedar siding, a charming front portico, wood deck, bluestone patio, wood fencing, gazebo, and a 10-zone in-ground sprinkler system. The expansive backyard offers plenty of room for entertaining or a future pool. This is a rare opportunity to own a spacious, move-in-ready Colonial in the prestigious Village of Head of the Harbor, offering classic character, quality updates, exceptional privacy, and an unbeatable North Shore location.