Enjoy back bay living from this rarely available penthouse duplex located on a highly desirable side street with magnificent east/west natural light and a thoughtful mix of historical accents and modern conveniences. The first level features an impressive open floor plan with a dramatic cathedral ceiling, granite and stainless steel kitchen, hardwood floors, and a richly mantled wood burning fireplace. The large primary king size bedroom is off the hallway with abundant closet space adjacent to a full marble bath. The home's top level is configured for a music room or office space, 1/2 bath, and a guest suite with glass sliding doors to a sensational private terrace. Revel in sunrises and sunsets from this glorious home steps to the Charles River, Newbury Street, shops, cafes and public transportation. Professionally managed building.