Gulf Islands National Seashore stretches 160 miles along the northern coast of the Gulf of Mexico from Cat Island in Mississippi to the Okaloosa Area in Florida, and includes maritime forests, bayous, and marine habitat. Explore this portion or our website to plan your visit to each of the national seashore's unique areas.
Mississippi Areas - Most of the Mississippi areas are located on barrier islands accessible only by boat including Cat, West Ship, East Ship, Horn, Sand, and Petit Bois Islands. In addition to the islands, the Davis Bayou area of the seashore is located on the mainland near Ocean Springs, Mississippi.
Florida Areas - All Florida areas are accessible by car and include some of the most historic forts and beautiful beaches in the United States. Several of the Florida areas require an entrance fee, visit our Fees & Passes page to learn more about the fee program at Gulf Islands National Seashore.