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 60 miles.

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, FL
⌖ 7.14 miles
Gateway Basecamp

Key Largo, FL

Key Largo offers a paradise for water sports enthusiasts. Dive into vibrant coral reefs, paddle scenic mangroves, or sail into stunning sunsets. Explore the rich marine life and enjoy unforgettable adventures in the Florida Keys.

Winter and Spring
Explore Town
Tavernier, Florida
⌖ 13.79 miles
Gateway Basecamp

Tavernier, Florida

Tavernier is a haven for aquatic adventures with kayaking, fishing, and snorkeling among vibrant coral reefs and wildlife. It's the perfect spot to experience the natural beauty of the Florida Keys.

Winter and Spring
Explore Town
Florida City, Florida
⌖ 17.44 miles
Gateway Basecamp

Florida City, Florida

Florida City is the easy-access gateway to Everglades National Park and nearby natural areas, perfect for hiking, paddling, and wildlife watching. With flat trails and abundant water routes, it’s an ideal base for outdoor lovers exploring South Florida’s unique subtropical wilderness.

Winter and Spring
Explore Town
Homestead, Florida
⌖ 18.90 miles
Gateway Basecamp

Homestead, Florida

Homestead, FL is a vibrant hub for outdoor adventurers, offering hiking through tropical landscapes, kayaking in national park waterways, and unique wildlife viewing experiences. Perfect for a nature-focused getaway.

Islamorada, Florida
⌖ 23.13 miles
Gateway Basecamp

Islamorada, Florida

Islamorada, situated in the heart of the Florida Keys, offers adventure seekers unparalleled experiences in kayaking, sport fishing, and diving. Discover the vibrant reefs, abundant marine life, and laid-back island vibes that make this a prime tropical destination.

Spring and Fall
Explore Town
Richmond Heights, Florida
⌖ 30.19 miles
Gateway Basecamp

Richmond Heights, Florida

Richmond Heights, Florida, offers a quiet gateway to South Florida’s natural side with kayaking, bird watching, cycling, and fishing just minutes away. Ideal for visitors wanting easy access to wetlands and Biscayne Bay adventures.

Winter to Early Spring
Explore 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.

Key Largo Offshore: Eight Hours Chasing Fish Beyond the Reef
ADVEXPEDITION
Key Largo, Florida
FishingADV Bookable

Key Largo Offshore: Eight Hours Chasing Fish Beyond the Reef

A private offshore fishing charter out of Key Largo that runs an eight-hour trolling trip past the reef to deeper water—this guide explains what to expect from route, technique, and onboard catch care.

FishingPT2HCertified Outfitter
Bookable OnlineBook Trip
Last Light on the Keys: A Four‑Hour Catamaran Sunset off Key Largo
ADVEXPEDITION
Key Largo, Florida
SailingADV Bookable

Last Light on the Keys: A Four‑Hour Catamaran Sunset off Key Largo

A four‑hour evening sail aboard Unforgettable, a Jeanneau Lagoon 37, departing from the Key Lime Sailing Club to cruise Buttonwood Sound and watch the sunset; this guide explains what to expect and how to prepare.

SailingPT2HCertified Outfitter
Bookable OnlineBook Trip