Charming Colonial on a Quiet Cul-de-Sac in Holtsville! Welcome to this well maintained 4-bedroom, 1.5-bath colonial, ideally located on a peaceful cul-de-sac in the heart of Holtsville. Set on a .34-acre lot with beautiful curb appeal, manicured landscaping, and a sparkling in-ground pool, this home offers the perfect combination of space, comfort, and outdoor enjoyment. Step inside through a tiled foyer that leads into a spacious, sun-filled living room. The eat-in kitchen overlooks the private backyard, creating a warm and inviting space for everyday meals and entertaining. A separate family room features a cozy wood-burning fireplace and sliding glass doors that open to a large wood deck—ideal for summer gatherings or relaxing poolside. Upstairs, the primary bedroom includes generous walk-in closets and abundant natural light. Three additional bedrooms provide flexible space for family, guests, or a home office. A full bath serves the second floor, while a convenient half bath is located on the main level. Additional highlights include a 1-car garage, full unfinished basement, 200 amp electric service, central air conditioning, and a fully fenced backyard. The in-ground pool with its elegant Roman end adds the perfect finishing touch to the outdoor space. Located close to schools, shops, parks, and major roadways, this home offers the ideal blend of privacy, convenience, and classic colonial charm.