Stop 04 · Key Largo · MM 102
John Pennekamp Coral Reef State Park
Outfitter
The country's first undersea park, with glass-bottom boats, snorkeling, scuba, and reef access right at the top of the Keys.
Why it matters
John Pennekamp Coral Reef State Park is widely known as the first undersea park in the United States. Its creation helped shift Key Largo's reefs from souvenir hunting and extraction toward conservation, glass-bottom boat tours, snorkeling, and diving.
- What to order
- Glass-bottom boat, snorkel trip, or shallow reef dive.
- Hours
- Park and concession schedules vary by trip.
Where it is
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