Last Updated: May 2026
Florida is not a state you associate with caves. The geology of most of the peninsula — flat, sandy, barely above sea level — doesn’t suggest anything underground worth exploring. But the Florida Panhandle sits on a different kind of rock. The limestone karst terrain around Marianna, where slightly acidic groundwater has been dissolving passages through calcium carbonate bedrock for tens of thousands of years, produced something unique in the Florida state park system: Florida Caverns State Park, the only park in the state with cave passages large enough to walk through and open to public tours.
The Cave Tour
The geology works like this: rainwater absorbs carbon dioxide as it filters through soil, forming a mild carbonic acid. That acidic water slowly dissolves limestone, carving passages and chambers over geological time. When the solution reaches an air pocket inside a cave and the reaction reverses — carbon dioxide escaping back into the air — calcium carbonate deposits begin to form. Dripping from the ceiling, it builds stalactites downward; landing on the floor, it builds stalagmites upward. Flowing in sheets along sloped walls, it creates draperies. Seeping through hollow tubes, it produces soda straws — the most fragile and remarkable of the formations. Growth rates average about 0.13mm per year, making even a modest stalactite the work of centuries.
Our tour was led by a volunteer guide who was exceptionally good — knowledgeable, unhurried, and genuinely interested in making sure everyone understood what they were looking at. She stopped frequently for photographs, answered every question thoroughly, and kept a 1.5-hour tour feeling engaging throughout. The cave system is larger than we expected; the passages open into proper chambers with ceiling heights that surprise you after ducking through narrower sections.
The caves also support a small ecosystem of species adapted entirely to underground life — blind cave crayfish, cave salamanders, and bats, all dependent on the darkness and stable temperature the limestone provides year-round.
The land was acquired in 1935 and the tour cave and park structures were built by the Civilian Conservation Corps — the New Deal program that put young men ages 17–28 to work during the Great Depression. Florida Caverns State Park officially opened to the public in 1942, when US entry into World War II brought the CCC to an end. Those young men carved steps, built handrails, and lit the passages that visitors still walk today.
A word of honest comparison: Florida Caverns is not Carlsbad Caverns in New Mexico or Mammoth Cave in Kentucky. The scale is different, the formations less monumental. But this is Florida — the fact that a walkable cave system of this quality exists here at all is remarkable, and the tour is genuinely worth the time for anyone passing through the Panhandle.
The Campground & the Blue Hole
The campsite was excellent — large, private, full hookups with 50-amp service, water, and sewer. The restrooms were standard Florida State Park issue, with one honest caveat: recent heavy rains had left standing water throughout the park and a persistent musty atmosphere in the facilities. The rivers were running high, which closed the canoe trail, and the park’s Blue Hole — a swimming spring that’s the other major draw in warmer months — was closed as well, its water turned green and murky from the rains.
Jake inspected the Blue Hole perimeter with great interest, apparently expecting manatees. Wrong river system by about 200 miles, but points for optimism.
Dinner in Marianna: Madison’s Warehouse Restaurant
The park sits just outside downtown Marianna, which made dinner easy. We went to Madison’s Warehouse Restaurant — a converted warehouse space with friendly, attentive staff and a small but reasonably priced California wine list. We both ordered the filet, our first steak in a couple of months on the road. The steaks were cooked perfectly. The flavor was harder to place — we cycled through grass-fed, then dry-aged, before landing on the likely answer: fresh-frozen. The vegetables confirmed the hypothesis. Still, a perfectly cooked filet after months of RV cooking is not a complaint.
Chautauqua Vineyards
On the drive toward the Panhandle beaches, we spotted a sign for Chautauqua Vineyards and pulled in — helped considerably by the fact that they have dedicated RV parking, which is rarer at wineries than it should be. The wines are made primarily from muscadine grapes, a thick-skinned variety native to the American Southeast, along with local blueberry and blackberry fruit wines. They’ve collected a number of medals for their lineup. The style runs sweet, which is typical of muscadine — not our usual preference, but well-made and worth trying in context. Their Merlot comes from California’s Central Valley rather than local grapes, and holds up well.
Visitor Information
Florida Caverns State Park is located at 3345 Caverns Road, Marianna, FL 32446. Open daily 8 a.m. to sunset; cave tours run on a schedule throughout the day. Admission to the park is separate from the cave tour fee — check the Florida State Parks website for current pricing. Camping with full hookups is available; book through the Florida State Parks reservation system.
Chautauqua Vineyards is located in Defuniak Springs, FL, about 45 miles west of Marianna on US-90. Open for tastings; call ahead for hours.
Practical Tips
- Book the cave tour in advance during busy periods — it’s the park’s signature attraction and tours have limited capacity. Walk-up spots are available but not guaranteed on weekends or holidays.
- Wear closed-toe shoes for the cave tour. The passages are well-maintained but uneven in places, and the constant 65°F temperature inside means a light jacket is useful year-round regardless of outside temperatures.
- Check water levels before visiting if canoeing or swimming at the Blue Hole is on your agenda. After significant rainfall, both activities close due to high water and poor visibility — as we discovered. Dry season (October–May) is the most reliable window.
- The Blue Hole is one of Florida’s finest swimming springs in normal conditions — clear, cool, and surrounded by cypress. If conditions are right, budget extra time for it.
- Chautauqua Vineyards has RV parking — a significant logistical plus on a road trip. The muscadine wines are worth experiencing as a regional specialty even if sweet wines aren’t your usual style.
- Marianna is a practical small city with grocery, fuel, and dining options — useful for resupply if you’re heading east or west on I-10 through the Panhandle.
