Dry Tortugas: Forts, Reefs and Remote Islands
Dry Tortugas National Park
“Remote coral islands, historic Fort Jefferson, vibrant reefs, nesting seabirds—and the most secluded national park in the continental U.S.”
Park Overview
Dry Tortugas National Park is located about 70 miles west of Key West, Florida, protecting seven remote islands and nearly all surrounding marine waters. Established as a national park in 1992 (upgraded from prior monument status), it preserves Fort Jefferson, historic shipwrecks, pristine coral reefs, and is a crucial habitat for tropical seabirds and marine life.
Fast Facts
| Location | Monroe County, Florida (Western Florida Keys) |
| Established | Oct 26, 1992 (as National Park) |
| Area | ~64,701 acres (mostly marine) |
| Land Area | ~144 acres across 7 keys |
| Visits (2023) | ~84,000 (record high) |
What to See & Do
- Explore Fort Jefferson: A massive but unfinished 19th-century coastal fortress—one of the largest brick masonry structures in the Western Hemisphere.
- Snorkel Coral Reefs: Some of the least disturbed reefs in the Florida Keys, teeming with marine life.
- Birdwatching: Breeding grounds for rare seabirds like sooty terns, brown noddies, frigatebirds, and more.
- Visit Historic Lighthouses: Garden Key Light and Loggerhead Key Lighthouse stand as maritime landmarks.
- Camping & Day Trips: Accessible only via boat or seaplane; limited primitive camping on Garden Key.
Ecology & Marine Life
With over 99% of its area marine, Dry Tortugas protects fragile coral ecosystems, nesting habitats, and clear waters. The park saw a record visitor count of ~84,000 in 2023, despite its remoteness.
Human History & Culture
Discovered by Ponce de León in 1513 and named for its abundant sea turtles and lack of fresh water, the islands served as a strategic site for Fort Jefferson. Designated a National Monument in 1935 and upgraded to National Park in 1992. The area also contains some of the richest shipwreck archaeology in North America.