Dry Tortugas
Almost 70 miles (113 km) west of Key West lies the remote Dry Tortugas National Park. This 100-square mile park is mostly open water with seven small islands. Accessible only by boat or seaplane, the park is known the world over as the home of magnificent Fort Jefferson, picturesque blue waters, superlative coral reefs and marine life, and the vast assortment of bird life that frequents the area.
Official-source overview · detailed planning coverage is still being reviewed

At a glance
- State / territory
- Florida
- Region
- Southeast
The official overview below is available now. Park-specific fees, distances, climate tables, and reviewed day plans are shown only when their supporting records have been reviewed. Check current access and arrangements with the park before travel.
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When to go
The climate in the Dry Tortugas is subtropical, which basically means that it has warm and tropical weather in the range of 60°F to 90°F. The two main seasons are the winter stormy season from December through March which is windier and sees rougher seas, and the summertime tropical storm season from June through November where there is a higher chance of isolated storms. During the summers it is hot and humid. During the winter the temperature is milder and drier.
General official weather guidance; historical context, not a forecast.
Arrive and stay
Dry Tortugas National Park is one of the most remote parks in the National Park System. Located approximately 70 miles west of Key West it is accessible only by a daily concession ferry, private boats, charter boats, or seaplane.
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Conditions, access, reservations, and operating hours can change. This website is a planning resource and does not provide live conditions.
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Where this information comes from
Park overview information is drawn from identified official sources. Published guide facts, assumptions, and editorial decisions retain their own review records.
Source retrieved: 2026-10-01. This is not a live-conditions check.
National Park Service: Dry Tortugas
Image credit: NPS Photo / Brett Seymour. See the image credits.
Data release 0 · Independent planning resource. Not affiliated with the National Park Service.