Astor is a census-designated place (CDP) in Lake County, Florida state. It is part of the Orlando–Kissimmee Metropolitan Statistical Area. As per the 2000 census, its population was 1,487.
It is located along the St. Johns River between Lake George and Lake Dexter.
Tourism is a significant contributor to the economy of Astor. It is a popular spot for winter visitors from the north and fishing, hunting, and boating enthusiasts.