391 Beacon Street, Unit #2 is an elegant Back Bay Penthouse Triplex complete with spectacular private roof deck and two deeded parking spaces. This home offers a spacious layout with grand living areas along with four large bedrooms and three-and-a-half baths. The main living floor includes the renovated kitchen with high-end appliances which opens to the family room with a wide bay of windows overlooking Beacon Street. The sun-filled dining room and half bath complete this level. Two generous bedrooms with marble fireplaces, bay windows and custom closets along with two bathrooms complete the second level. On the third level, the master suite with custom closets and a luxurious, skylighted bath connects to a private balcony. The fourth bedroom presents the option for an additional family room or home office. This residence combines Back Bay charm, with bay windows, marble fireplaces and sophisticated millwork, with modern updates to produce a wonderful family home