Welcome to 4 Marshmallow Drive, a spacious ranch-style home nestled on a wide, tree-lined street in the heart of Commack. Offering 4 bedrooms and 3 full bathrooms across approximately 2,400 sq ft of living space, this home sits on a flat and beautifully maintained half-acre property. Inside, you'll find a bright and inviting layout featuring a kitchen with granite countertops, stainless steel appliances, and gas cooking. The main level offers convenient laundry and a cozy living room anchored by a wood-burning fireplace. The primary suite includes a private en-suite bathroom for comfort and privacy. Additional highlights include a finished basement, central air conditioning, a 200-amp electric panel, gas heat, and an attached 2-car garage. Outdoor amenities feature a paver patio, in-ground sprinklers, and plenty of yard space for entertaining or relaxing. Located in the well-regarded Commack School District, this home combines comfort, convenience, and value - ready for its next chapter.