Windley Key Fossil Reef
Geological State Park
Islamorada, Florida 33036
Windley Key Fossil Reef Geological State Park
is a Florida State Park located at mile marker 85.5 near Islamorada.
It was a former quarry used by Henry Flagler in the early 1900s to
help his building of the Overseas Railroad. Following the railroad's
completion, it was a source for decorative stone pieces called
Keystone. Now on display are exposed sections of fossilized coral, as
well as some of the original quarry machinery.
The Hurricane Monument at Mile Marker 82 in
Islamorada is constructed of keystone.
Welcome to Windley Key Fossil Reef Geological
Formed of Key Largo limestone, fossilized coral,
this land was sold to the Florida East Coast Railroad, which used the
stone to build Henry Flagler's Overseas Railroad in the early 1900s.
After the railroad was built, the quarry was used until the 1960s to
produce exquisite pieces of decorative stone called Keystone.
Today, visitors can walk along eight-foot-high
quarry walls to see cross sections of the ancient coral and learn
about the quarry and its operation- an important part of Florida's
20th century history. Samples of the quarry machinery have been
preserved at the park. Visitors can enjoy the natural attributes of
this island while strolling five short, self-guided trails. Picnic
tables are available.
The Visitor Center, open Friday through Sunday,
9:00 a.m.-5:00 p.m., features educational exhibits about the history
of this site. Located at Mile Marker 85.5 on Windley Key near
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