Home » Florida » Fort Zachary Taylor Historic State Park: Where Civil War History Meets Key West’s Best Beach

Ask most people what they picture when they think of Key West, and you’ll get the same answers: Duval Street, the sunset crowds at Mallory Square, a basket of conch fritters. Fair enough—those are all worth doing. But if you want to find one of the island’s real gems, skip south to the tip of the island and spend a day at Fort Zachary Taylor Historic State Park.

Locals just call it “Fort Zach,” and honestly, it’s a little surprising more visitors don’t make it out here. The park covers 54 acres and packs in a National Historic Landmark, arguably the best beach in Key West, great snorkeling, shaded picnic spots, and no shortage of wildlife—iguanas included, usually sprawled out somewhere catching the sun.

Disclosure: This post may contain affiliate links. If you make a purchase through one of these links, I may earn a small commission at no additional cost to you. These commissions help support the blog and allow me to continue creating travel guides. Thank you for your support! Read the full disclosure policy here.

A historic fort at Fort Zachary Taylor State Park with a green lawn in front, an American flag on a pole, and brick structures with arched doorways under a clear sky.

The History of Fort Zachary Taylor Historic State Park

So, how did this place come to be? Construction started way back in 1845, part of a mid-19th-century plan to defend the southeastern coast of the U.S. . They named it after President Zachary Taylor in 1850, shortly after he passed away . But building a fort in the Florida Keys wasn’t exactly a walk in the park. Yellow fever outbreaks, material shortages, and the logistical challenges of building on a remote island meant construction dragged on for over two decades—it wasn’t actually completed until 1866 .

The fort played a crucial role during the Civil War, remaining in Union hands despite being in Confederate territory. Captain John Brannon famously seized the fort before Florida could officially secede, and it became a key base for the Union blockade of Confederate shipping . Over the years, it also saw action during the Spanish-American War, both World Wars, and even the Cuban Missile Crisis. By 1947, the Army handed it over to the Navy, and for a while, it sat largely forgotten.

Interior of a historic fort featuring a black cannon pointed towards a stone window framed by red brick walls.

Then, in 1968, a local named Howard England began exploring the old fort—and ended up unearthing the largest cache of Civil War cannons ever found in the U.S. The fort landed on the National Register of Historic Places in 1971, and by 1973, it had been designated a National Historic Landmark. Today it’s managed by the Florida State Parks system, a far cry from the forgotten outpost it once was.

It’s also earned itself an old nickname worth knowing before you go: sailors and engineers once called it the “Gibraltar of the Gulf,” a nod to how formidable this all-brick fortress once looked guarding the harbor.

View from a brick window in Fort Zachary Taylor, framing greenery and water under a partly cloudy sky.

Know Before You Go

  • Hours: Open daily from 8:00 AM until sunset. The historic fort is open from 8:00 AM to 5:00 PM.
  • Before you go: Check the official park website for the latest hours, admission fees, tour schedules, and any temporary closures before your visit.
  • Admission: A modest entrance fee applies—still cheaper than a frozen drink on Duval Street. There’s also a small Monroe County surcharge.
  • Parking: Parking is available inside the park but fills up quickly on weekends, holidays, and during the busy winter season. Arrive early for the best chance of finding a spot.
  • Water Shoes: The beach is made up of coral rock and coarse sand, so water shoes are highly recommended. You can purchase them at the gift shop, but bringing your own will save you money.
  • Beach Rentals: Snorkel gear, beach chairs, and umbrellas are available to rent from the beachside concession.
  • Guided Fort Tour: Free ranger-led tours of the fort are typically offered daily at 11:00 AM and are well worth joining if you’re interested in the park’s history.
  • Pack Out Your Trash: Trash cans aren’t located on the beach, so plan to take your garbage with you when you leave.
  • Bring Reef-safe sunscreen: The Florida Keys sun is intense year-round, and reef-safe sunscreen helps protect the surrounding marine ecosystem.
  • Pets: Pets are welcome in most areas of the park but are not allowed on the beach. Service animals are permitted.
  • Camping: Overnight camping is not available at Fort Zachary Taylor Historic State Park.

Best Things to Do at Fort Zachary Taylor Historic State Park

What makes Fort Zach stand out is that it’s not trying to sell you anything. Spend your morning wandering the fort’s brick corridors and reading up on its Civil War past, then cool off snorkeling in some of the clearest water around the island, and cap it off with a sunset that rivals anything at Mallory Square—minus the crowds. We’ve lost count of how many times we’ve been back, and it’s still the first place we tell people to check out when they’re headed to Key West.

Explore the Fort

If you can swing it, the daily guided tour at 11 AM is worth planning around. But if the timing doesn’t line up, you can just wander the brick casemates and gun rooms on your own. No schedule required. Either way, you’ll pass the largest collection of Civil War–era seacoast cannons anywhere in the country—a strange thing to be talking about when you came for the beach, but that’s Fort Zach in a nutshell.

Hit the Beach

Here’s the payoff. Fort Zach’s beach is consistently rated one of the best in Key West. Here, the water really is that turquoise-clear postcard color you’re hoping for. Toss a towel down beneath the Australian pines, grab whatever you’re reading, and just let the afternoon disappear. One tip though: wear water shoes. The shoreline is rocky, and your feet will thank you.

We grabbed a couple of cold drinks from Cayo Hueso Café, found a shady spot beneath the Australian pines, and ended up staying much longer than we’d planned. We kept saying we’d leave in a few minutes, but somehow the afternoon got away from us.

Underwater scene with a stingray and small fish over a colorful coral reef.
Credit: H. Miller

Snorkel the Rock Jetties

Just a few steps from the sand, the rock jetties create their own little reef system—parrotfish drifting by, yellowtail snapper, sergeant majors, and now and then a lobster wedged into a crack somewhere. Forget the boat, skip the wetsuit. Just wade in and see what turns up.

Walk or Bike the Shaded Paths

Beach getting old? Wander the park’s shaded trails for a while. Flat, winding through all that native scrub—nothing too taxing. Good for a stroll or a lazy bike ride if that’s your speed. And those iguanas? They’re everywhere, sprawled across the trail. We quickly learned that if an iguana decides it’s comfortable, you’re the one expected to go around.

Go Birdwatching

So here’s something you might not expect. Fort Zach is actually on the Great Florida Birding and Wildlife Trail. Migrating season? Spring and fall are when it really gets interesting. Ospreys, frigatebirds, herons, all that coastal crowd. They’re around if you keep your eyes up. Binoculars help—otherwise, good luck telling a bird from a cloud.

Paddle Along the Shore

Here’s a thought—ditch the mask, grab a paddle. Fort Zach’s calm morning waters are pretty ideal for kayaking or paddleboarding, before the wind starts doing its thing later on. Out on the water, you get a fresh take on the old fort, the rock-studded shore, and the pelicans that seem to time their dives just to show off.

Fish the Rock Jetties

With a valid Florida fishing license, the rock jetties by the shipping channel are a go-to for locals casting for snapper and grouper—and if you’re lucky, you might spot a tarpon cruising past.

Sunset at Fort Zachary Taylor Historic State Park, featuring rocks in the foreground, water reflecting warm hues, palm trees, and a gazebo, with an overlay of text about the park's history. Transcribed Text: "In 1968 volunteers excavated Civil War guns and ammunition buried in long-abandoned parts of the fort, which was soon discovered to house the nation’s largest collection of Civil War Cannons." — Wikipedia on Fort Zachary Taylor

Stay for Sunset

Most visitors head to Mallory Square when the sun starts to dip, but Fort Zach offers a much quieter alternative. Watching the sun sink into the Gulf from the beach is one of our favorite ways to end an afternoon—and you won’t be shoulder to shoulder with hundreds of other people while doing it.

We stayed until the rangers started clearing the beach at sunset, and looking back, it was probably our favorite experience in Key West. There was no rush to be anywhere else—just clear water, the historic fort behind us, and one last Florida Keys sunset to end the evening.

Dining in the Park

The Cayo Hueso Café sits just steps from the beach, serving sandwiches, snacks, ice cream, and cold drinks. If you’d rather bring your own food, picnic tables and grills are scattered throughout the park, making it easy to spend the entire day without leaving.

Close-up of green leaves and fruit from a tree at Fort Zachary Taylor Historic State Park, with blurred blue water visible in the background.

Final Thoughts: Fort Zachary Taylor Historic State Park

Fort Zachary Taylor Historic State Park is the kind of place that reminds you why you bother traveling at all. It’s not flashy, and it’s not trying to be. What it offers instead is a genuinely interesting Civil War fort, one of the best beaches on the island, and enough history that you actually walk away having learned something. Whether you’re a history buff, a beach person, or just looking to escape the Duval Street crowds for a while, Fort Zach works for all of it.

Give it a full day if you can swing it. Mornings are for the fort; afternoons are for the beach, snorkeling, and a sunset that’ll stick with you long after the trip’s over. Bring water shoes, bring a cooler, and bring a little patience in case an iguana decides the trail is theirs, not yours.

If Fort Zachary Taylor is just one stop along the way, check out our Unexpected Treasures of the Florida Keys: From Key Largo to Key West for more spots worth adding to your itinerary. Arriving by ferry? Our Key West Express Guide covers everything you need to know before you sail. And if you’ve got an extra day to spare, don’t skip Dry Tortugas National Park—it’s one of the best day trips you can take from Key West.

Have you visited Fort Zach? We’d love to hear what you enjoyed most—or if you have a favorite hidden gem in Key West, share it in the comments below!