J.H. Moores Memorial Natatorium the oldest continually operated municipal pool in the United States. The Natatorium is an ellipsoidal, above-ground structure constructed of reinforced concrete with a rubble-stone facade. The entrance is on one end through two pairs of metal doors, flanked by plaques which read "DESIGN SUPERVISED BY W. BINTZ, CITY ENGINEER, SWIMMING POOL DESIGNS, 1922" on one side and "J.H. MOORES MEMORIAL NATATORIUM. A.D. 1922" on the other. Decorative parapets project on each side of the entrance. Original window openings have been filled in. A balustrade of reinforced concrete runs along the top, with lamp posts at regular intervals. The interior contains
Waikiki Natatorium War Memorial during World War II. In 1949 it was refurbished and turned over to the City and County of Honolulu on July 1, 1949. Its condition deteriorated, and was officially closed in 1963, but continued to be used. It was added to the National Register of Historic Places listings in Oahu on August 11, 1980 as site 80001283. There have been several proposals to demolish the structure, while others argue for its preservation and repair. For generations, the natatorium was a popular recreational gathering center for local residents and tourists. Adjacent to the south of the Natatorium lies Kaimana Beach, a