Fort Matanzas National Monument

Fort Matanzas National Monument is the site where the Spanish built a fort. It was designated a United States national monument on October 15, 1924. There is a boat ride over to Rattlesnake island. You will be accompanied with a tour guide. This tour is completely free! (They do accept donations, so if you have a good time, feel free to stop in and drop a few dollars in, if you can.)