Commercial Use Authorizations
In compliance with federal law, the Castillo de San Marcos and Fort Matanzas National Monuments have instituted a commercial use authorization program.
All businesses who wholly or partly provide commercial services at the parks must obtain a commercial use authorization.
For additional information you may e-mail us.
Did You Know?
Black, or gun, powder is a mix of potassium nitrate, sulfur, and charcoal used as a propellant charge in cannons. Burning rapidly when ignited, it expands 600 times its volume creating pressures that can hurl a cannonball up to 3.5 miles! Castillo de San Marcos National Monument, Florida