The Alfred I. DuPont Building is a historic building in Miami, Florida. It is located at 169 East Flagler Street. On January 4, 1989, it was added to the U.S.National Register of Historic Places. The building was built in 1939 and is 260 feet (87 m) tall with 21 floors. It is an example of Moderne architecture and was the first skyscraper built after the County courthouse and the bust of 1928. Thus it represents Miami's emergence from the great depression. It replaced the Halcyon Hotel on this site.