If you’re traveling through northeast Florida, there’s one stop that feels like a portal into another century: the Castillo de San Marcos in St. Augustine. Built in the late 1600s by the Spanish to defend Florida from invaders, this coquina stone fortress is the oldest of its kind in the continental U.S. — and it’s still standing strong.
The fort’s towering walls, historic cannons, and ocean-facing ramparts tell stories of pirates, British sieges, and soldiers who once called it home. But this isn’t just for history buffs — families with kids can explore the tunnels, climb the bastions, and even witness live reenactments. It’s hands-on history that sparks curiosity in all ages.
Located just steps from St. Augustine’s charming old town, Castillo de San Marcos is the perfect starting point for a day of coastal exploration, culture, and just the right amount of adventure. Here are the best ways to enjoy the fort and everything around it.
Walk the Fort’s Upper Gun Deck
Standing atop the fort’s upper gun deck, you’re greeted by the commanding presence of ancient cannons. Each one tells tales of defense and determination. The panoramic view stretches across Matanzas Bay, offering a breathtaking backdrop for photos. Imagine soldiers of old, lined up, vigilant against approaching threats. The wind carries whispers of history, as you peer over the stone barricades, feeling the weight of years gone by. Capture the moment, where sky meets sea, and time stands still. It’s a photographer’s dream, a place where history and natural beauty converge harmoniously.
Watch a Cannon Firing Demonstration
Boom! The thunderous roar of a cannon echoes through the fort’s stone walls, taking you back centuries. Attending a live cannon firing demonstration is like witnessing a page torn from the past. Rangers and reenactors, clad in period attire, bring history to life with each blast. The spectacle is both thrilling and educational, offering insights into military tactics of the era. Feel the ground tremble, the air thick with smoke, as the cannonball soars. It’s an unforgettable experience, leaving visitors both awed and enlightened. Perfect for history buffs and curious minds alike.
Explore the Guardrooms and Jail Cells
Step into the cool, shadowy corridors of Castillo de San Marcos, where history whispers from every corner. The guardrooms and jail cells offer a tangible connection to the past. Imagine the soldiers who once called this place home, their lives a tapestry of duty and camaraderie. Children and adults alike are drawn to the mystery, peering into cells that once held prisoners of war. The stories linger, of battles fought and lives lived within these walls. It’s a hauntingly beautiful experience, a journey through time that stirs the imagination and captivates the soul.
Talk With a Historical Interpreter
Engage with the past through the stories of a historical interpreter, whose tales bring the fort to life. Clad in authentic garb, these guides offer a window into the daily lives of those who once inhabited these walls. From battles and sieges to daily routines, each story is a vivid portrait of history. Visitors are captivated by the passion and knowledge these interpreters share, transforming the fort into a living museum. It’s an interactive experience, where questions are welcomed, and history becomes personal. A must-do for those eager to delve deeper into the fort’s legacy.
Join a Junior Ranger Program
Embrace the spirit of adventure with the Junior Ranger Program, designed to ignite curiosity in young explorers. At Castillo de San Marcos, children receive activity books that guide them through the fort’s fascinating history. As they uncover stories, solve puzzles, and complete tasks, a sense of accomplishment grows. The program is engaging and educational, encouraging hands-on learning. At the end, participants earn a coveted badge, a symbol of their journey through time. It’s a perfect blend of fun and education, fostering a love for history in the next generation of adventurers.