Windley Key Fossil Reef Geological State Park
Windley Key Fossil Reef Geological State Park
Highlight • Natural Monument
Hiking
5.0
(2)
Windley Key Fossil Reef Geological State Park is a distinctive natural monument located in the Upper Florida Keys, near Islamorada at Mile Marker 84.9 on US 1. This unique Florida State Park, sitting at an elevation of just 3 meters above sea level, showcases a remarkable exposure of fossilized coral reef, known as the Key Largo Limestone, offering a rare glimpse into the region's ancient geological past.
Visitors are consistently captivated by the park's blend of natural beauty, geological wonder,…
Tips
April 3, 2025
Hiking
October 31, 2025
Hiking
In the know? Log-in to add a tip for other adventurers!
Sign up for free
Nearby routes
Best routes near Windley Key Fossil Reef Geological State Park
2
hikers
1.20km
00:18
0m
0m
Details
Informations
Elevation 0 m
Weather
Powered by Foreca
Today
Wednesday 1 April
26°C
23°C
13 %
Additional weather tips
Max wind speed: 30.0 km/h
Most visitors find that 1 to 2 hours is sufficient to explore the park's short loop trails, view the exposed fossilized coral reefs, and learn about its history at the visitor center. It's a compact site, perfect for a focused geological and historical experience.
Yes, the park features several short loop trails that are generally considered easy and suitable for all fitness levels. They wind through the ancient coral formations and a tropical hardwood hammock, offering a gentle walk rather than a strenuous hike.
While the park is generally family-friendly, specific information regarding dog-friendly policies for the trails is not explicitly stated. It's always best to check the official Florida State Parks website or contact the park directly for current pet regulations before your visit.
The park's most striking features are the 8-foot-high quarry walls, which reveal cross-sections of the ancient coral reef. Here, you can observe various species of fossilized corals, including star, porous, and brain corals, embedded within the Key Largo Limestone. Layers of red soils, known as terra rossa, are also visible, believed to be residues of African dust.
The park features interpretive trails and a visitor center. While specific details on wheelchair accessibility for all trails are not provided, state parks often strive for accessibility. It's recommended to contact the park directly to inquire about the accessibility of specific trails and facilities.
The park is historically significant as a former quarry used by Henry Flagler in the early 1900s to supply limestone for his Overseas Railroad. Later, it became a source of "Keystone," a decorative stone used in many historic South Florida buildings, including the Hurricane Monument in Islamorada. Preserved quarry equipment is still on display.
No special permits are required to visit the park beyond the standard entrance fee of $2.50 per vehicle. This fee grants you access to the trails, exhibits, and facilities during operating hours.
Given the warm Florida Keys climate, light, breathable clothing is recommended. Comfortable walking shoes are advisable for exploring the trails. Sun protection, such as a hat, sunglasses, and sunscreen, is also highly recommended, especially during sunnier parts of the day.
Beyond its geological wonders, the park encompasses a thriving tropical hardwood hammock, which provides habitat for various native plants and wildlife. It's considered a good spot for birdwatching, and visitors might also spot iguanas and other small creatures native to the Florida Keys.
Windley Key Fossil Reef Geological State Park is located near Islamorada, which offers a variety of dining options ranging from casual eateries to upscale restaurants. You'll also find numerous accommodation choices, including hotels, resorts, and vacation rentals, within a short driving distance along US 1.
While the park is a popular attraction, it is generally not as crowded as some larger Florida Keys destinations. Visiting during weekdays or earlier in the morning, even during the cooler, drier months (November to May), can help ensure a more peaceful experience. The park's compact nature means visitors tend to cycle through efficiently.