Fleet's Hall is a building that once stood in Oyster Bay, New York, that had important local, statewide, and national significance. The building served as an important civic and social meeting place during the time that Theodore Roosevelt was a resident of Oyster Bay and served as Governor of New York State and later President of the United States. The building was used for events such as public meetings, concerts, receptions, dances, and dinners. It was also the site of the first moving picture screening in Oyster Bay.