Windley Key Fossil Reef Geological State Park
Windley Key Fossil Reef Geological State Park preserves a rare fossilized coral reef once quarried for railroad construction. Visitors can explore exposed Key Largo Limestone, interpretive exhibits, and scenic remnants of the old quarry in a compact, historic setting.
Free
Visiting with Dogs
Dogs allowed in outdoor areas only; must be leashed, well-behaved, and cleaned up after. No dogs in buildings.
Visitor Tips & Reviews
What Visitors Say
Quiet, scenic park with fascinating fossil reef history, easy trails, informative exhibits, and beautiful Keys views. Visitors love the unique geology, peaceful atmosphere, and quick, educational stop.
Tips from Visitors
- Wear sturdy shoes on uneven fossil reef trails.
- Bring water; shade is limited in sunny areas.
- Stay on marked paths to protect fossils.
- Use insect repellent, especially during warmer months.
- Check park hours before visiting.
- Carry a camera for unique limestone formations.
Best Time to Visit
The best time to visit Windley Key Fossil Reef Geological State Park is from November through April, when temperatures are milder and humidity is lower. Morning visits are especially pleasant for walking the quarry grounds and reading the interpretive signs.
Amenities
Nearby Attractions
Explore these attractions near Windley Key Fossil Reef Geological State Park:
- Theater of the SeaA nearby marine attraction featuring animal encounters, shows, and lagoon experiences in Islamorada.2 miles away
- History of Diving MuseumA museum in Islamorada focused on the history of diving equipment, exploration, and underwater technology.3 miles away
- Anne's BeachA scenic Upper Keys beach area known for shallow water, boardwalk access, and sunset views.8 miles away
Things to Do at Windley Key Fossil Reef Geological State Park
Camping at Windley Key Fossil Reef Geological State Park
Camping is not available at Windley Key Fossil Reef Geological State Park; consider nearby Florida Keys campgrounds and state parks.
Hiking Trails
Windley Key Fossil Reef Geological State Park offers a short, easy day hike with a unique focus on geology rather than distance. Visitors often enjoy the paved and boardwalk-style paths, interpretive signs, and close-up views of ancient fossilized coral reef rock. It’s a quick, family-friendly stop with light shade, scenic tropical surroundings, and a peaceful, educational atmosphere.
Windley Key Fossil Reef Trail
EasyShort interpretive trail through the former quarry and fossil reef outcrops, highlighting the park’s unique geologic history and tropical hardwood hammock scenery.
Fossil Reef Loop
EasyA gentle loop that explores limestone cuts, historic quarry features, and shaded paths with close-up views of ancient coral reef formations.
Hammock and Quarry Walk
EasyAn easy walk combining tropical hammock habitat with remnants of the old quarry, offering a compact overview of the park’s natural and cultural features.
Geology Discovery Trail
EasyA short, family-friendly trail focused on the park’s fossilized reef rock, with interpretive stops and minimal grade changes.
Directions
From U.S. 1 in Islamorada, look for the park entrance on the bayside at mile marker 84.9. Turn into the park from the Overseas Highway and follow signs to the parking area and visitor facilities.
Contact & Info
Frequently Asked Questions
What can I see at Windley Key Fossil Reef Geological State Park?
Visitors usually come to see the old fossilized coral reef quarry, historic stone-cutting equipment, and interpretive exhibits. The short trails and boardwalks offer a close look at the park’s unique geology and history.
How long does it take to visit the park?
Most visitors spend about 30 minutes to 1 hour here. It’s a small park, so it’s best for a quick stop, a self-guided walk, or a short educational visit.
Is the park good for kids and families?
Yes, many families enjoy it because the trails are short and the exhibits are easy to explore. Kids often like the old quarry and fossil reef features, though there’s less room for active play than at larger parks.
Are there guided tours or ranger programs?
Programs may be offered at certain times, but many visitors explore on their own. Check ahead for ranger-led walks or special events, since availability can vary by season and staffing.
Is the park accessible for people with limited mobility?
Some areas are relatively easy to access, but conditions can vary. Visitors often note that paths are short, though not every section may be fully accessible. It’s a good idea to contact the park before visiting.
Do I need to pay an entrance fee or make reservations?
Florida State Parks usually charge a modest entrance fee, but rates can change. Reservations are generally not needed for a short visit, though it’s smart to confirm current fees and hours before you go.

Don’t Forget the Essentials
Essential camping & hiking gear we recommend to make your park trip easier and more comfortable.
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