Nassau County Florida (Historic Districts) has 3 places on the National Register of Historic Places including 2 places of Statewide significance. Significant places include Fernandina Beach Historic District and Fernandina Beach Historic District (Boundary Increase), American Beach Historic District.
Some of the country's most noteable architects helped create the Nassau County places including Robert V. Schuyler, Barber,George W., et al. and George Patterson. Prominent architectural styles found in Nassau Country are Colonial Revival, Italianate and Late Victorian.