Gorgeous penthouse duplex at 390 Commonwealth Ave. overlooking beautiful Back Bay from your private deck! This duplex features sweeping views of Back Bay and Kenmore Square, a gigantic living room, hardwood floors throughout, a fireplace, in-unit laundry, all in one of Boston's premier concierge buildings. Former grand hotel on Commonwealth Avenue. Doorman building with a pool. Close to everything, as this is a very central location in Back Bay, close to South End Charles River Prudential Center Newbury Beacon Hill Kenmore and the Financial District.