Beautifully updated interiors combine with classical architectural details in this graciously renovated penthouse duplex on Marlborough Street in Back Bay. This 3-bed, 2.5 bath home is situated in an exceptionally wide townhouse complete with an outstanding private roof deck, direct elevator access, and 2 parking spaces. The open plan living area features custom decorative ceiling molding, a striking gas fireplace with marble surround, designer light fixtures, and a custom built-in dry bar. The gourmet eat-in kitchen and family room is equipped with exquisite marble countertops, custom cabinetry with brass hardware, custom banquette window seating, and high-end appliances. The luxurious primary suite offers an expansive dressing room and a lavish five-piece marble bath. Atop it all is a sensational roof deck that opens to a full head house and offers multiple seating areas and fabulous Back Bay views. No detail was overlooked in the design and renovation of this spectacular residence.