Incredible opportunity for multigenerational living, extended family, or possible accessory apartment potential with proper permits. Situated on just shy of a half-acre with a detached four-car garage in the Town of Islip and within the Connetquot School District, this versatile four-bedroom, two-bath Colonial offers exceptional flexibility with two separate electric meters, a private upper-level entrance, separate yard access, and a possible second kitchen, creating the ideal setup for a variety of living arrangements. The main level showcases vaulted ceilings, recessed lighting, spacious bedrooms, an oversized bathroom with a massive multi-person walk-in shower, and an updated chef's kitchen featuring quartz countertops, stainless steel appliances, white cabinetry, an oversized subway tile backsplash, and abundant cabinet and counter space. A large slider opens to the rear deck and expansive backyard, providing the perfect setting for entertaining family and friends.The upper level features white cabinetry, ample counter space, and flexible living quarters with two bedrooms or a bedroom and living room configuration. The main level showcases vaulted ceilings, recessed lighting, spacious bedrooms, an oversized bathroom with a massive multi-person walk-in shower, and an updated chef's kitchen featuring quartz countertops, stainless steel appliances, white cabinetry, an oversized subway tile backsplash, and abundant cabinet and counter space. A large slider opens to the rear deck and expansive backyard, providing the perfect setting for entertaining family and friends. For car collectors, garage enthusiasts, contractors, woodworkers, hobbyists, or entrepreneurs, this property truly stands apart with a rare detached four-car garage featuring electric service, loft storage, and its own separate driveway. A large horseshoe driveway provides abundant off-street parking and creates a striking first impression while offering plenty of room for vehicles, equipment, trailers, or recreational toys. Conveniently located near the transformative Ronkonkoma Hub and Station Yards development, this unique property combines space, functionality, flexibility, and location, offering endless possibilities in one of Long Island's most exciting and rapidly growing areas.