Jewel Box Building For Lease 326 Cambridge Street is conveniently located adjacent to Beacon Hill, Mass General Hospital and Government Center. This is a great opportunity for an organization to have a big presence with huge opportunity for signage and maximum identity. Steps to the Red Line Station at MGH and multiple bus lines connecting all of Greater Boston. 326 Cambridge is just steps from the front door of MGH and Mass Eye and Ear, two of Boston’s most prestigious medical and research institutions. The building is surrounded by great retail and restaurants providing a vibrant 24/7 environment.