This stunning, 3+BR/2.5BA, penthouse duplex features a high-end, 2020 renovation, and lives like a single-family home. The sunny, open layout offers super functional living space with 9.5' coffered ceilings. The chef’s kitchen features a 6-burner Thermador range with hood, beautiful white cabinetry, quartz countertops, a center island with bar seating and pantry closet for storage. The formal dining room has French doors that open to a Juliette balcony, and connects to a spacious living room featuring custom built-in benches/shelving. A home office, with custom built-ins, and a modern half bath, complete this level. The primary bedroom features two custom closets, a private bath with radiant heated floor, double vanity, and frameless glass shower with marble surround. Two additional bedrooms offer plenty of room for guests or family. A full bath and laundry complete this level. The spectacular private roof deck offers 360 views of Charlestown, the Mystic River, and Boston skyline.