Dry Tortugas National Park Planning Guide & Strategy

Fort Jefferson at Dry Tortugas National Park glows under a starry night, its brick walls reflected in calm waters.

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.

Plan your visit

Best Time To Visit: December–April for weather and visibility; plan around ferry/seaplane schedules

Highlights

Why Visit: Dry Tortugas National Park is a remote marine sanctuary reachable only by boat or air. It centers on Garden Key, Fort Jefferson, and surrounding reefs, offering focused, controlled access to a fragile island ecosystem. The park demands disciplined planning: there are no roads, minimal services, and strict camping permits. Visitors contribute to preservation by packing out waste, respecting nesting birds, and keeping a safe distance from marine life; its isolation magnifies the importance of preparation and adherence to regulations.
Top Things To Do: Tour Fort Jefferson;
Snorkel around Garden Key reefs;
Observe Loggerhead and Green sea turtle nesting areas (seasonal)

Areas to plan around

Garden Key: Fort Jefferson (massive 19th-century fortress) and reef-entry zones
Bush Key: Seabird nesting habitat; restricted access during nesting season
Loggerhead Key: Turtle nesting areas (seasonal); remote reef viewing
Outer Reefs Zone: Marine life viewing; snorkeling around surrounding reefs

Getting there & around

Getting There Airports: Key West International Airport (EYW) is the closest major airport; ferry or seaplane from Key West to Garden Key
Getting There Driving Distances: Not applicable; access by ferry or seaplane from Key West
Getting There Entrances: Key West ferry dock and Key West Seaplane Base
Getting Around Shuttles: No shuttle system; walkable island area once ashore
Getting Around Reservations: Backcountry camping permits required in advance; no vehicle entry permits due to island setting
Getting Around Parking: No on-island parking; most visitors arrive by ferry or seaplane and park in Key West beforehand

Where to stay

Where To Stay Inpark Lodging: No in-park lodging; Key West offers lodging options
Where To Stay Campgrounds: Garden Key permits for primitive campsites; camping available only on Garden Key with advance approval
Where To Stay Gateway Towns: Key West, Florida

Safety & wildlife

Safety Bear Country: Bears not present; marine hazards dominate; stay hydrated and watch for jellyfish and sharks
Safety Weather: Hot, humid, intense sun; afternoon showers possible; remote location limits medical response
Safety Altitude: Near sea level; minimal elevation changes
Safety Leave No Trace: Pack out all trash; remove waste; stay on designated areas; avoid touching coral and wildlife
Safety Permits Needed: Backcountry camping permits required in advance
Wildlife Overview: Marine life including sharks and jellyfish; seabirds; sea turtles; coral reefs
Wildlife Where To See: Reefs around Garden Key for marine life; Bush Key for birdwatching; Loggerhead Key for turtle activity (seasonal)
Wildlife Safety: Maintain distance from wildlife; avoid touching corals or animals; follow dive flags and park regulations

Trip strategy

Itinerary Strategy: Day 1: Garden Key Fort Jefferson and reef snorkeling; Day 2: Bush Key bird activity and Loggerhead Key turtle areas; Day 3: Return to Key West
Entrance Hacks: There is no on-site parking; plan to depart from Key West on morning ferries/seaplanes; weather can affect schedules
Basecamp Logic: IN-park lodging not available; basecamp in Key West is recommended for comfort; Garden Key camping requires advance permits
Crowd Calendar: December–April peaks; May and November shoulder; June–August hottest and most humid
Tips Advice: Book ferry/seaplane well in advance
Pack ample water and snacks
Bring reef-safe sunscreen
Expect limited on-site amenities
Obtain camping permits in advance

More details

Park Code: drto
Tagline: Dry Tortugas National Park
Entrance Fee: $15.00 - Entrance - Per Person
Quick Facts Entrance Fees: No entrance fee; transportation to park is paid separately
Nearby Services: Key West provides gas, food, lodging, and transport options; limited services on Dry Tortugas itself
Family Friendly Notes: Plan around transport schedules; no on-site lodging; supervision for children near water; camping may not suit all ages
Accessibility: Facilities limited; main site on Garden Key is reachable by boat/air; no extensive paved trails noted
Photography Tips: Position yourself to respect ferry traffic; avoid blocking movement; use wide-angle reef perspectives
When To Visit Peak Season: December through April
When To Visit Shoulder Season: May and November
When To Visit Winter: Open year-round; winter offers comfortable weather
When To Visit Road Opening: Not applicable—the park has no roads
Wildlife Bear Spray Rentals: Not applicable; bears not present
Weather Averages: Tropical maritime climate; warm year-round with humidity
Weather Precipitation: Seasonal showers; tropical storm activity possible; rainfall variability
Weather Info: 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.
What To Bring Essential Gear: Water, sunscreen (reef-safe), hat, sturdy footwear, snorkeling gear, snacks
What To Bring Clothing: Light, breathable clothing; sun protection; quick-dry layers; sandals or reef-safe footwear
Review Summary: Visitors often underestimate ferry timings and sea conditions; isolation requires thorough planning; demand for permits and transport dictates access