Garden Key is home to park headquarters, visitor center, campgrounds and great swimming and snorkeling areas. Garden Key is the second largest island in the Dry Tortugas, about 14 acres in size, and has had the most human impact. Located on Garden Key is historic Fort Jefferson, one of the nation’s largest 19th century forts and a central cultural feature of Dry Tortugas National Park. To learn more about the history of Fort Jefferson click here. Arriving at Garden KeyThe only way to visit Garden Key and all other areas of Dry Tortugas National Park is by boat or seaplane. Ferry and seaplane passengers travel directly from Key West to Garden Key. Entrance fees are included in ticket price. Those passengers traveling here by personal vessel must stop by Garden Key to pay the entrance fee. To find more information about bringing your own boat, click here Boating. Things to Do at Garden Key
Swim in clear, shallow waters and explore coral reefs teeming with tropical fish just steps from shore. Learn more about snorkeling and swimming.
Arrive by private vessel and experience the park on your own schedule while following marine regulations. Learn more about boating to the park
Stay overnight on Garden Key and experience one of the most remote camping locations in the National Park System. Learn more about camping on Garden Key
Fish in designated areas while following Gulf regulations and licensing requirements. Learn more about fishing regulations
Explore the surrounding waters by kayak or paddleboard for a closer look at the island and marine life. Learn more about paddlesports
Observe seabirds, sea turtles, and vibrant marine ecosystems in one of Florida’s most unique habitats. Learn more about wildlife in the park
With minimal light pollution, Garden Key offers incredible views of the Milky Way and star-filled skies. Learn more about night sky viewing
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Last updated: April 14, 2026