The Lightship Overfalls, located in Lewes DE, is one of only 17 remaining lightships out of a total of 179 built from 1820 to 1952.  Designated a National Historic Landmark in 2011, it is one of seven lightships in this country still open to the public.  

Using the Lightship as its centerpiece, the Overfalls Foundation will collect, preserve, honor, and teach the Maritime history of Lewes, the Delaware Bay, and the coastal region.