Just minutes from downtown Mystic's waterfront dining, shops, marinas, and beaches, this exceptional custom-built Colonial offers luxury, comfort, and privacy on 2.53 picturesque acres at the end of a cul-de-sac. With over 4,000 sq ft of living space, the home features 6 bedrooms, 4.5 baths, and bright, inviting interiors. The gourmet kitchen features granite countertops, double ovens, electric cooktop, double sinks, breakfast bar, walk-in pantry, and a spacious dining area with French doors and sliders opening to an expansive deck and patio overlooking the private backyard. The formal dining room showcases arched windows, while the family room offers a wood-burning fireplace and the living room provides flexible space for a home office, library, or sitting room. Upstairs, the primary suite includes a custom walk-in closet (2024) and en-suite bath. Five additional bedrooms and multiple full baths provide ample room for family and guests. The finished third-floor media/game room (2025) with a mini-split HVAC system in (2024) offers a versatile bonus retreat. Additional highlights include hardwood floors, 2 wood-burning fireplaces, first-floor laundry, central air, Buderus heating system, central vacuum, Culligan water filtration system (2025), irrigation system, underground utilities, attached 3-car garage, new asphalt driveway (2024), and a gorgeous fully fenced backyard (2024). A rare opportunity to enjoy refined coastal living.