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Dagny Johnson Key Largo Hammock Botanical State Park wilderness guide
State Park · FL

Dagny Johnson Key Largo Hammock Botanical State Park

Dagny Johnson Key Largo Hammock Botanical State Park protects one of the largest intact tropical hardwood hammocks in the United States, offering visitors a unique glimpse into South Florida’s rare native ecosystems and abundant wildlife.

State Park24004+ Trails

Designation

State Park

Total Wilderness Area

2400

Elevation / Terrain

Diverse Wilderness

Field Editorial Guide

About Dagny Johnson Key Largo Hammock Botanical State Park

Dagny Johnson Key Largo Hammock Botanical State Park protects one of the largest intact tropical hardwood hammocks in the United States, offering visitors a unique glimpse into South Florida’s rare native ecosystems and abundant wildlife.

Wilderness Landscape & Natural Heritage

Located on the northern tip of Key Largo, Florida, Dagny Johnson Key Largo Hammock Botanical State Park preserves approximately 2,400 acres of tropical hardwood hammock, a rare and biologically important ecosystem that once covered large areas of South Florida. The park is named after environmentalist Dagny Johnson, who played a crucial role in conserving this land from development. The hammock is home to diverse plant species, including rare trees like the West Indian mahogany and gumbo limbo, as well as endangered wildlife such as the Key Largo cotton mouse and the Key Largo woodrat. Visitors can explore various nature trails that wind through dense forests, offering excellent opportunities for birdwatching, wildlife spotting, and photography. The park’s geography includes elevated hardwood forest, freshwater wetlands, and mangrove fringes, contributing to a rich biodiversity unique to the lower Florida Keys. Recreationally, the park features several interpretive trails with boardwalk sections, providing accessible ways to experience its ecosystems. Nearby landmarks include the Florida Keys Overseas Heritage Trail and John Pennekamp Coral Reef State Park, enhancing the visit with opportunities for aquatic activities. The park’s quiet environment and educational signage make it a favored destination for nature lovers, researchers, and families interested in Florida’s natural heritage.

Field Guide · State Park
Adventure Destinations

Notable Destinations Near Dagny Johnson Key Largo Hammock Botanical State Park

Scenic viewpoints, outdoor landmarks, and notable points of interest within 30 miles.

Snorkeling at John Pennekamp Coral Reef State Park in Key Largo★ 8.8⌖ 5 miSnorkeling
Key Largo

Snorkeling at John Pennekamp Coral Reef State Park in Key Largo

Explore the vibrant underwater world of John Pennekamp Coral Reef State Park in Key Largo, FL. With easy boat access and beginner-friendly snorkeling sites, it's a year-round destination popular for its marine life, including angelfish and sea turtles. Be prepared for busy summer visits.

SnorkelingView Details→
Aviary Island Adventure★ 6.8⌖ 7 miBird Watching
Aviary Island

Aviary Island Adventure

Explore Aviary Island near Key Largo, Florida, renowned for bird watching amidst lush mangroves. Enjoy kayaking and snorkeling in tranquil coastal waters. Best visited in cooler months, it's perfect for nature lovers seeking a peaceful escape.

Bird WatchingView Details→
Aquatic Adventures at Barrier Reef, Key Largo★ 8.9⌖ 10 miSnorkeling
Barrier Reef

Aquatic Adventures at Barrier Reef, Key Largo

Explore the vibrant Barrier Reef off Key Largo, a top destination for snorkeling and diving. Enjoy crystal-clear waters and diverse marine life including sea turtles and dolphins. Popular with adventure seekers, it's part of the Florida Keys National Marine Sanctuary.

SnorkelingView Details→
Diving into Grecian Rocks' Underwater Wonders★ 8.7⌖ 10 miSnorkeling
Grecian Rocks

Diving into Grecian Rocks' Underwater Wonders

Explore the vibrant Grecian Rocks off Key Largo, FL, part of John Pennekamp Coral Reef State Park. Ideal for snorkeling and diving, visitors enjoy stunning coral formations and diverse marine life. Accessible by a short boat ride, this popular spot is busy in summer but offers year-round adventure.

SnorkelingView Details→

Key Wilderness Highlights

✦ Heron Loop Trail – a scenic walking trail showcasing hardwood hammock flora and fauna✦ Rare habitat of endangered Key Largo woodrat and cotton mouse✦ Boardwalks crossing sensitive wetland areas within the hammock✦ Proximity to the Florida Keys Overseas Heritage Trail for extended cycling or hiking
Wilderness Recreation

Outdoor Adventures in Dagny Johnson Key Largo Hammock Botanical State Park

Explore curated guides for top outdoor sports, trail networks, and wilderness activities.

Park Recreation

Hiking

Available in Dagny Johnson Key Largo Hammock Botanical State Park
Park Recreation

Wildlife Viewing

Available in Dagny Johnson Key Largo Hammock Botanical State Park
Park Recreation

Birdwatching

Available in Dagny Johnson Key Largo Hammock Botanical State Park
Park Recreation

Photography

Available in Dagny Johnson Key Largo Hammock Botanical State Park
Park Recreation

Nature Study

Available in Dagny Johnson Key Largo Hammock Botanical State Park
Park Recreation

Picnicking

Available in Dagny Johnson Key Largo Hammock Botanical State Park
Park Recreation

Cycling

Available in Dagny Johnson Key Largo Hammock Botanical State Park
Park Recreation

Environmental Education

Available in Dagny Johnson Key Largo Hammock Botanical State Park
The Ranger Station

Visitor Logistics & Essential Planning

Everything you need to know about entrance passes, seasons, visitor centers, road transit, and wildlife safety in Dagny Johnson Key Largo Hammock Botanical State Park.

Passes & Fees

Entrance Requirements & Interagency Passes

Park entrance fee required; Florida State Parks annual passes accepted

Wilderness Checklist

Carry paper topographic map & compass in remote zones.
Store all food and scented items in approved bear canisters.
Check wildfire / smoke advisories before backcountry departure.
Pack out everything you pack in (Leave No Trace).
Adventure Basecamps

Gateway Towns Near Dagny Johnson Key Largo Hammock Botanical State Park

Stay, dine, and gear up in these mountain towns and scenic basecamps surrounding the park.

Key Largo
⌖ 7.14 miles
Gateway Basecamp

Key Largo, FL

A tropical paradise for water enthusiasts, offering access to coral reefs, mangroves, and sunny explorations along the Florida Keys.

Winter and SpringExplore Town
Tavernier
⌖ 13.79 miles
Gateway Basecamp

Tavernier, Florida

A tropical haven for water-based adventures with abundant marine life and endless sunshine in the Florida Keys.

Winter and SpringExplore Town
Florida City
⌖ 17.44 miles
Gateway Basecamp

Florida City, Florida

A gateway town to the Everglades and Florida Keys offering flat landscapes and water-based outdoor adventures under a subtropical climate.

Winter and SpringExplore Town
Homestead
⌖ 18.90 miles
Gateway Basecamp

Homestead, Florida

A getaway blending tropical landscapes with proximity to unique ecosystems and national parks, offering adventures from hiking to kayaking.

Islamorada
⌖ 23.13 miles
Gateway Basecamp

Islamorada, Florida

An oceanfront adventure hub perfect for kayaking, sport fishing, and diving enthusiasts in the Florida Keys.

Spring and FallExplore Town
Richmond Heights
⌖ 30.19 miles
Gateway Basecamp

Richmond Heights, Florida

A vibrant suburban enclave offering close access to South Florida’s unique wetland landscapes and urban green spaces, perfect for light outdoor adventures and nature walks.

Winter to Early SpringExplore Town
Expert-Led Wilderness Expeditions

Guided Experiences in Dagny Johnson Key Largo Hammock Botanical State Park

Explore scenic backcountry routes and epic wilderness adventures with certified local mountain guides, naturalists, and outfitters.

12 bookable experiences

Availability, pricing, meeting details, and fulfillment are provided by the applicable operator or booking partner.