in 1939, one year after the beach was completed, there were plans to expand the beach. the southern locker room was the first to be renovated, with a extension in 1939. work was halted from 1941 to 1945 due to world war ii. the water between hunter and twin islands was filled in during 1946 and 1947, with new jetties at each end of the beach. the promenade was extended over the fill, gaining its current hexagonal tiles as well as refurbished concession buildings. the extension, opened in may 1947, consisted of of new land and of restored beach. further improvements were made to the bathhouse pavilion in 1952 and to the northern jetty in 1955. a new concession stand was added north of the pavilion in 1962. the beach was renovated starting in 1964.