Fort Jefferson is located in Florida, USA, inside Dry Tortugas National Park. It lies between Key West and the Marquesas Keys and is situated about 70 miles west of Key West in the Gulf of Mexico. It is famous for its massive 1800s brick fort, clear blue water, coral reefs, and amazing snorkeling.
Fort Jefferson Location Map,Dry Tortugas, Florida
Florida Related Maps and Info
Top Attractions Inside Fort Jefferson
- Fort Bastions & Walls – Massive hexagonal brick fortification to explore.
- Moat Walk – Scenic walkway offering panoramic ocean and fort views.
- Inner Courtyard – Open green space with historic structures and ruins.
- Gun Rooms & Casemates – Arched interior chambers showcasing the fort’s military design.
- Snorkeling Areas – Clear waters around the fort filled with coral and marine life.
- South Coaling Dock Ruins – Underwater remnants ideal for snorkeling exploration.
- North Beach – Quiet beach perfect for swimming and relaxing.
Fort Jefferson Facts
| Official Name | Fort Jefferson |
| Location | Dry Tortugas National Park, Monroe County, Florida, USA — located about 70 miles west of Key West in the Gulf of Mexico |
| Latitude & Longitude | 24.6286° N, 82.8731° W |
| Total Area | Fort structure: ~16 acres; Dry Tortugas National Park total: 64,701 acres (261.7 km²), mostly water |
| Established / Opened | Construction started in 1846; fort used through late 19th / early 20th century; became part of National Park in 1992 |
| Managed By | National Park Service (U.S. Department of the Interior) |
| Region | Florida Keys / Gulf of Mexico |
| Address / Access | Accessible only by boat or seaplane from Key West; no street address |
| Zip Code | N/A |
| Area Code | 305 (for Key West access point) |
| Currency | United States Dollar (USD, $) |
| Time Zone | Eastern Time (ET) – UTC−5 Standard / UTC−4 Daylight Saving |
| Theme / Concept | Historic coastal fortification, military history, preservation, island ecology |
| Main Sections / Areas | Fort Jefferson structure, surrounding Dry Tortugas islands, coral reefs, beaches, marine sanctuary areas |
| Famous Attractions | Fort Jefferson, guided tours, snorkeling at coral reefs, birdwatching, beach and historic site exploration |
| Visitor Activities | Historical tours, snorkeling, swimming, kayaking, birdwatching, photography, camping (limited), nature observation |
| Entry Fee / Access Type | Paid Admission — National Park entrance fee required; boat or seaplane transport needed |
| Ticket Price Range | Dry Tortugas ferry round-trip: ~$190–$200 per adult; seaplane tours: ~$200–$250 per person |
| Ticket Options | Ferry tickets, seaplane tours, guided historic tours |
| Best Time to Visit | November–May (dry season, calmer seas, pleasant weather) |
| Nearby Airport | Key West International Airport (EYW) – ~70 miles (112 km) by ferry / seaplane to Dry Tortugas |
| Transportation | Ferry service from Key West, seaplane access, private boat |
| Official Website | https://www.nps.gov/drto/learn/historyculture/fort-jefferson.htm |
Distances from Fort Jefferson to Nearby Landmarks
- Garden Key Beach – 0.1 km (0.06 mi)
- Garden Key Lighthouse – 0.2 km (0.12 mi)
- Bush Key – 0.4 km (0.25 mi)
- North Coaling Dock Ruins – 0.3 km (0.19 mi)
- South Coaling Dock Ruins – 0.4 km (0.25 mi)
- Long Key – 1 km (0.6 mi)
- Hospital Key – 2 km (1.2 mi)
- Loggerhead Key – 11 km (6.8 mi)
- Little Africa Reef – 12 km (7.5 mi)
- Pulaski Shoal Lighthouse – 19 km (11.8 mi)
- Tortugas Bank – 24 km (14.9 mi)
- East Key – 3 km (1.9 mi)
- Middle Key – 2 km (1.2 mi)
- Bird Key – 4 km (2.5 mi)
- Santa Rosa Island (closest point) – 219 km (136 mi)
- Key West – 112 km (70 mi)
- Marquesas Keys – 66 km (41 mi)
- Sman’s Shoal – 15 km (9.3 mi)
- Rebecca Shoal Lighthouse – 48 km (29.8 mi)
- Dry Tortugas Research Natural Area Boundary – 3 km (1.9 mi)
Top Places to Visit in the U.S.
- Where is Acadia National Park
- Where is Amelia Island
- Where is Arches National Park
- Where is Bald Head Island
- Where is Big Bend National Park
- Where is Big Sur
- Where is Bryce Canyon National Park
- Where is Cannon Beach
- Where is Carlsbad Caverns National Park
- Where is Chaco Culture National Historical Park
- Where is Destin City
- Where is Ellis Island
- Where is Florida Keys
- Where is Freedom Trail In Boston
- Where is Glacier National Park
- Where is Golden Gate Bridge
- Where is Grand Canyon National Park
- Where is Grand Teton National Park
- Where is Haleakala National Park
- Where is Hawaii Volcanoes National Park
- Where is Huntington Beach
- Where is Independence Hall
- Where is Kauai Island
- Where is Kennedy Space Center
- Where is Key West
- Where is Laguna Beach
- Where is Las Vegas Strip
- Where is Mammoth Cave National Park
- Where is Maui Island
- Where is Miami Beach
- Where is Monterey Bay
- Where is Mount Rainier National Park
- Where is Mount Vernon
- Where is Naples Beach
- Where is Niagara Falls
- Where is Olympic National Park
- Where is Redwood National And State Parks
- Where is Rocky Mountain National Park
- Where is San Antonio Missions
- Where is San Antonio River Walk
- Where is Sanibel Island
- Where is Sequoia National Park
- Where is St Augustine Beach
- Where is St Louis Arch
- Where is St. Pete Beach
- Where is Statue Of Liberty
- Where is Taos Pueblo
- Where is Times Square
- Where is Waikiki Beach
- Where is Walt Disney World Resort
- Where is White Sands National Park
- Where is Yellowstone National Park
- Where is Yosemite National Park
- Where is Zion National Park
- Where is Great Salt Lake
- Where is Great Sand Dunes National Park
- Where is Great Smoky Arts & Crafts Community
- Where is Great Smoky Mountains National Park
- Where is Green Lakes State Park
- Where is Griffith Observatory
- Where is Griffith Park
- Where is Guadalupe Mountains National Park
- Where is Gulf Islands National Seashore
- Where is Gulf Shores Beach
- Where is Haleakalā National Park
- Where is Haleiwa Beach Park
- Where is Hammonasset Beach State Park
- Where is Hampton Beach
- Where is Hana Highway
- Where is Harriman State Park
- Where is Acadia Beach
- Where is Acadia National Park
- Where is Adirondack Park
- Where is Alcatraz Island
- Where is American Museum of Natural History
- Where is Anchorage Coastal Wildlife Refuge
- Where is Angel Island State Park
- Where is Antelope Canyon
- Where is Antelope Canyon (Upper/Lower)
- Where is Antelope Island State Park
- Where is Antietam National Battlefield
- Where is Anza-Borrego Desert State Park
- Where is Apostle Islands National Lakeshore
- Where is Aspen
- Where is Assateague State Park
- Where is Babcock State Park
- Where is Badlands National Park
- Where is Badwater Basin (Death Valley)
- Where is Bahia Honda State Park
- Where is Balboa Park
- Where is Bandelier National Monument
- Where is Baxter State Park
- Where is Bear Lake State Park
- Where is Bear Mountain State Park
- Where is Bellagio Hotel & Casino
- Where is Big Bend Ranch Scenic Drive
- Where is Big Cypress National Preserve
- Where is Big Sur
- Where is Big Sur Coastline
- Where is Big Sur (Pfeiffer Big Sur State Park)
- Where is Biltmore Estate
- Where is Biscayne National Park
- Where is Bisti/De-Na-Zin Wilderness
- Where is Black Canyon of the Gunnison National Park
- Where is Block Island Beaches
- Where is Blue Ridge Parkway
- Where is Bodie State Historic Park
- Where is Bonneville Salt Flats
- Where is Brooklyn Bridge
- Where is Bryce Point
- Where is Buffalo National River
- Where is Burney Falls (McArthur–Burney Falls SP)
- Where is Caddo Lake State Park
- Where is Cadillac Ranch
- Where is Canyon de Chelly National Monument
- Where is Canyonlands National Park
- Where is Cape Cod National Seashore
- Where is Cape Cod National Seashore
- Where is Cape Hatteras National Seashore
- Where is Cape Hatteras National Seashore
- Where is Cape Henlopen State Park
- Where is Cape Kiwanda State Natural Area
- Where is Cape May Beach
- Where is Capitol Reef National Park
- Where is Carlsbad Beach
- Where is Carlsbad Caverns
- Where is Carlsbad Caverns National Park
- Where is Catalina Island
- Where is Chaco Culture National Historical Park
- Where is Channel Islands National Park
- Where is Chincoteague National Wildlife Refuge
- Where is Chiricahua National Monument
- Where is Chugach State Park
- Where is Clearwater Beach
- "N/A
- Where is Cloudland Canyon State Park
- Where is Cocoa Beach
- Where is Colonial Williamsburg
- Where is Coney Island Beach
- Where is Copper River Delta
- Where is Coronado Beach
- Where is Crater Lake National Park
- Where is Crater of Diamonds State Park
- Where is Crystal Cove State Park
- Where is Cumberland Gap National Historical Park
- Where is Cumberland Island National Seashore
- Where is Cumberland Mountain State Park
- Where is Custer State Park
- Where is Cuyahoga Valley National Park
- Where is Daytona Beach
- Where is Dead Horse Point State Park
- Where is Death Valley National Park
- Where is Deception Pass State Park
- Where is Denali Highway
- Where is Denali National Park & Preserve
- Where is Devil’s Lake State Park
- Where is Devils Postpile National Monument
- Where is Devils Tower National Monument
- Where is Dinosaur National Monument
- Where is Disneyland Park (Anaheim)
- Where is Donner Memorial State Park
- Where is Dry Tortugas National Park
- Where is Ecola State Park
- Where is Eklutna Lake
- Where is Emerald Bay State Park
- Where is Emerald Isle Beach
- Where is Evergreen Aviation & Space Museum
- Where is Exit Glacier (Kenai Fjords NP)
- Where is Fenway Park
- Where is Fire Island National Seashore
- Where is First Landing State Park
- Where is Fort Clinch State Park
- Where is Fort De Soto Park
- Where is Fort Jefferson
- Where is Fort Macon State Park
- Where is Fort Mountain State Park
- Where is Fort Sumter National Monument
- Where is Fountains of Bellagio
- Where is Franconia Notch State Park
- Where is Franklin D. Roosevelt Presidential Library & Museum
- Where is Galveston Island
- Where is Garden Key
- Where is Garden of the Gods
- Where is Gates of the Arctic National Park
- Where is Gateway Arch
- Where is Gateway National Recreation Area
- Where is Gettysburg National Military Park
- Where is Glacier Bay Boat Tour
- Where is Glen Canyon National Recreation Area
- Where is Golden Gate Park
- Where is Goose Island State Park
- Where is Graceland
- Where is Grand Central Terminal
- Where is Grand Teton National Park
- Where is Great Basin National Park
- Where is Great Falls Park (Potomac)
- Where is Jekyll Island Beach
- Where is John Pennekamp Coral Reef State Park
- Where is Jones Beach State Park
- Where is Joshua Tree National Park
- Where is Joshua Tree Village
- Where is Kaena Point State Park
- Where is Kalalau Trail Napali Coast
- Where is Kasha-Katuwe Tent Rocks
- Where is Katmai Brooks Falls
- Where is Katmai National Park & Preserve
- Where is Kenai Fjords National Park
- Where is Kenai River
- Where is Kennedy Space Center Visitor Complex
- Where is Kiawah Beachwalker Park
- Where is Kilauea Hawaii Volcanoes National Park
- Where is Kings Canyon National Park
- Where is Klondike Gold Rush National Historical Park
- Where is Kobuk Valley National Park
- Where is Kodiak Island
- Where is Laguna Beach
- Where is La Jolla Cove
- Where is Lake Clark National Park & Preserve
- Where is Lake Mead National Recreation Area
- Where is Lake Powell
- Where is Lake Shasta Caverns
- Where is Lake Tahoe State Park
- Where is Lake Tahoe
- Where is Lake Winnipesaukee
- Where is La Push Beach
- Where is Lassen Volcanic National Park
- Where is Letchworth State Park
- Where is Liberty Bell Center
- Where is Lincoln Memorial
- Where is Lost Dutchman State Park
- Where is Mackinac Bridge
- Where is Mackinac Island
- Where is Magic Kingdom Park (Disney)
- Where is Makena State Park
- Where is Malibu Beach
- Where is Malibu Creek State Park
- Where is Malibu Lagoon State Beach
- Where is Mall of America
- Where is Mammoth Cave National Park
- Where is Mammoth Lakes Basin
- Where is Maroon Bells-Snowmass Wilderness
- Where is Martha's Vineyard Beaches
- Where is Matanuska Glacier
- Where is Mauna Kea Summit
- Where is Mendenhall Glacier
- Where is Mesa Arch (Canyonlands)
- Where is Mesa Arch (Canyonlands NP)
- Where is Mesa Verde National Park
- Where is Millennium Park
- Where is Mono Lake Tufa State Natural Reserve
- Where is Montauk Point State Park
- Where is Monterey Bay Aquarium
- Where is Monument Valley Navajo Tribal Park
- Where is Moosehead Lake
- Where is Mount Desert Island
- Where is Mount Evans Scenic Byway
- Where is Mount Hood National Forest
- Where is Mount Katahdin
- Where is Mount Lassen Peak Trail
- Where is Mount Mitchell State Park
- Where is Mount Monadnock State Park
- Where is Mount Rainier Scenic Railroad (Heritage)
- Where is Mount Rushmore Cave (Rushmore Cave)
- Where is Mount Rushmore National Memorial
- Where is Mount Spokane State Park
- Where is Mount St. Helens
- Where is Mount St. Helens National Volcanic Monument
- Where is Mount Tamalpais State Park
- Where is Mount Washington
- Where is Mount Whitney
- Where is Mount Whitney Trail
- Where is Muir Woods National Monument
- Where is Multnomah Falls
- Where is Myrtle Beach
- Where is Nantucket Beaches
- Where is Napa Valley (Wine Country)
- Where is National Gallery of Art
- Where is National Mall
- Where is National Portrait Gallery
- Where is National September 11 Memorial & Museum
- Where is National WWII Museum
- Where is Natural Bridge State Resort Park
- Where is Natural Tunnel State Park
- Where is Navy Pier
- Where is Newport Beach
- Where is North Cascades National Park
- Where is Ocean City Beach
- Where is Ocean Shores & Washington Coast
- Where is Ogunquit Beach
- Where is Ohiopyle State Park
- Where is Old Orchard Beach
- Where is Olympic Coast National Marine Sanctuary
- Where is Organ Pipe Cactus National Monument
- Where is Outer Banks Beach Access
- Where is Outer Banks
- Where is Outer Banks National Seashore
- Where is Padre Island National Seashore
- Where is Painted Hills
- Where is Palace of Fine Arts
- Where is Palo Alto Battlefield National Historical Park
- Where is Palo Duro Canyon State Park
- Where is Palouse Falls State Park
- Where is Pearl Harbor National Memorial
- Where is Pebble Beach
- Where is Pennekamp Coral Reef State Park
- Where is Pensacola Beach
- Where is Petrified Forest National Park
- Where is Petrified Forest Painted Desert
- Where is Pfeiffer Beach
- Where is Pictured Rocks National Lakeshore
- Where is Pikes Peak Manitou Springs
- Where is Pike Place Market
- Where is Pinnacles National Park
- Where is Point Lobos State Natural Reserve
- Where is Point Reyes National Seashore
- Where is Porcupine Mountains Wilderness State Park
- Where is Presque Isle State Park
- Where is Prince William Sound
- Where is Pu‘uhonua o Hōnaunau National Historical Park
- Where is Rangeley Lake State Park
- Where is Red River Gorge / Natural Bridge State Resort Park
- Where is Red Rock Canyon National Conservation Area
- Where is Redwood National & State Parks
- Where is Rehoboth Beach
- Where is Rialto Beach
- Where is Rockaway Beach
- Where is Rock City Gardens
- Where is Rockefeller Center
- Where is Rockefeller Center Rink
- Where is Roswell UFO Museum
- Where is Ruby Beach
- Where is Sabino Canyon Recreation Area
- Where is Saguaro National Park
- Where is Sand Dunes State Park
- Where is San Diego Zoo
- Where is Sandy Hook Beach
- Where is San Juan Islands
- Where is Santa Barbara Mission
- Where is Santa Fe Plaza
- Where is Santa Monica Pier
- Where is Santa Monica State Beach
- Where is Sedona (Red Rock Country)
- Where is Sedona Red Rocks
- Where is Sedona
- Where is Sequoia & Kings Canyon National Parks
- Where is Sequoia National Park
- Where is Kenai Fjords National Park
- Where is Hocking Hills State Park
- Where is Hollywood Sign
- Where is Hoover Dam
- Where is Hoover Dam Bypass Bridge
- Where is Horseshoe Bend
- Where is Hot Springs National Park
- Where is Hubbard Glacier
- Where is Huntington Beach State Park
- Where is Independence National Historical Park
- Where is Indiana Dunes National Park
- Isle Royale National Park