Set along the sunnyside of Commonwealth Ave, this spectacular penthouse duplex comes complete with private outdoor space and parking. Enjoy direct elevator access into the residence's main level. The expansive 28ft wide living/dining area fills with natural light - perfect for entertaining with a wet-bar and gas fireplace with custom built-ins. The chef's kitchen features extensive cabinetry, quartzite counters, and professional appliances including a Wolf gas range and integrated Sub-Zero refrigerator. A large bedroom with ensuite bathroom and an additional bedroom/den for guests or home office space complete the main floor. The jaw-dropping main bedroom encompasses the entire fifth floor with a luxurious five piece marble bathroom and stunning city views. A large glass door opens to the front-facing, private deck - the perfect spot to enjoy morning coffee or host wine tastings. Ideally located within Back Bay, enjoy convenient access to the city's best shops and restaurants.