The Apartment Building, also known as the Rockefeller Building, is one of three extant buildings that were constructed as part of the U.S. Naval Radio Station, Winter Harbor, Maine, in 1934. The current project is focused on the Apartment Building and immediate adjacent landscape as identified in Project Management Information System (PMIS) 134906. The U.S. Naval Radio Station - Apartment Building (Bldg 1), Historic Structure Report (HSR) identifies significant historic features of the building and provides guidance for the treatment of the building. The project included archival research at the local and regional level, along with building investigation and research. Includes color and black and white photographs.