The St. Marks Lighthouse is the second oldest lighthouse in Florida. It is located east of the mouth of the St. Marks River, on Apalachee Bay. The lighthouse was automated in 1960 and remains an active navigational aid for ships in Apalachee Bay.
Saint Marks National Wildlife Refuge is a large wildlife refuge located in the Gulf Coast region of Florida, near the town of St. Marks, in Wakulla County, approximately 25 miles south of Tallahassee, the capital of Florida. It encompasses more than 83,000 acres (336 km²).