Massive Expanded Ranch Retreat on 1.3 Acres in Smithtown offers unmatched space, flexibility, and functionality. The heart of the home is the stunning, sun-drenched living room featuring floor-to-ceiling windows and a cozy wood-burning fireplace open to the dining room & chef’s kitchen—complete with white cabinetry, granite countertops, stainless steel appliances, and a spacious center island with seating. Radiant floor heat throughout Living Room, Dining Room and Kitchen. The main residence offers 3 to 4 generously sized bedrooms, including a luxurious primary suite with a private full bath and tons of closet space. Two additional large bedrooms share a full hallway bath, while a flexible office/bonus room includes a washer/dryer hookup and can easily serve as a fourth bedroom. The lower level boasts 500 sq ft of finished space with a separate entrance to the 2-car garage—ideal for a recreation area, gym, or guest suite. Bonus alert: This property also features a legal accessory one-bedroom apartment with its own updated kitchen, large living room, laundry room, and private backyard—perfect for extended family, home business or rental income. Additional highlights include: Hardwood floors & recessed lighting throughout, Central air and ductless AC units, Gas cooking & Dryers, 300-amp electric, 2.5 Car attached Garage, Multiple driveways with parking for 10+ vehicles Large deck with above-ground pool overlooking serene, wooded surroundings for ultimate privacy This is a rare opportunity to own a truly spacious and versatile home in a prime Smithtown location!