Located in the heart of the Middle Keys, Marathon offers a slower pace, stunning ocean views, and a diverse range of outdoor adventures that appeal to families, couples, and first-time visitors alike. It’s the kind of destination that feels welcoming right away—easy to explore, not overcrowded, and full of natural beauty.
Travelers quickly realize that Marathon is much more than a simple beach town. From relaxing days at Sombrero Beach to snorkeling over coral reefs, kayaking calm waters, or cruising across the iconic Seven Mile Bridge, there’s no shortage of ways to enjoy the outdoors. Wildlife encounters, scenic drives along the Overseas Highway, and hands-on marine experiences make this area especially popular for family-friendly vacations and Florida Keys road trips.
This guide to the Best things to do in Marathon Florida covers the top attractions, beaches, water activities, parks, tours, and local spots that travelers love most. Whether visiting for a day, a weekend, or a longer stay, Marathon delivers the perfect balance of adventure and relaxation—making it one of the most enjoyable and underrated destinations in the Florida Keys.
Best Time to Visit Marathon Florida
Marathon is a year-round destination, but different seasons offer different experiences. Many travelers prefer visiting during winter and early spring, when the weather is warm, dry, and ideal for snorkeling, boating, and outdoor activities.
Summer brings hotter temperatures and fewer crowds, making it a good option for travelers who don’t mind heat and want a quieter experience. Fall tends to be less busy as well, though visitors should keep an eye on weather conditions during hurricane season.
Overall, the best time to visit Marathon depends on whether travelers prioritize perfect weather, fewer crowds, or better travel deals.
The “Big Three” Must-Visit Landmarks
The best way to see the heart of the Middle Keys is by starting with the “Big Three.” These are the spots that every traveler should have on their list, as they showcase exactly what makes Marathon, Florida, so special.
1. The Turtle Hospital
Located right on the Overseas Highway, this isn’t your typical aquarium. It is a fully functioning rehabilitation center for sick and injured sea turtles. A traveler can take a guided tour to see exactly how the doctors treat turtles that have been hurt by boat strikes or tangled in fishing gear.
The tour is super educational but also really fun. You get to walk right up to the large saltwater pools and see different species like Green Sea Turtles and Loggerheads. The best part? Seeing the “permanent residents” who can’t be released back into the wild but live a very happy life being pampered by the staff.
2. The Old Seven Mile Bridge
Next to the modern bridge is the Old Seven Mile Bridge, which is open for walking and biking. This historic stretch leads toward Pigeon Key, a small island with deep roots in Florida Keys history. Even if visitors don’t go all the way to the island, walking part of the bridge is a peaceful and memorable experience.
You can’t visit Marathon without spending time on the Old Seven Mile Bridge. While the new bridge is for cars, the old one has been renovated into a massive walking and biking path that sits right over the turquoise water.
It is the perfect place to catch a sunset or look for rays and sharks swimming in the current below. Keep an eye out for Fred the Tree—a famous Australian Pine that somehow started growing right out of the old roadbed. Travelers love to see Fred because he’s a symbol of how tough the Florida Keys can be; he even survived a massive hurricane!
3. The Seven Mile Bridge
The Seven Mile Bridge is one of the most famous landmarks in the Keys, and it’s right next to Marathon. Driving across it offers endless ocean views that feel almost unreal, especially during sunrise or sunset. Many travelers plan their drive around golden hour just to soak in the scenery and snap photos.
4. Pigeon Key
Right underneath the bridge sits a tiny, 5-acre island called Pigeon Key. This place feels like a time machine back to the early 1900s. It was once the home base for the workers building Flagler’s Railroad, which was the first way people could travel to the Keys by land.
You can get there by walking the two miles out on the bridge or by hopping on the yellow tram tour. Once you’re on the island, you can explore the historic wooden houses, visit the museum, or even jump in the water for some snorkeling off the dock. It is a quiet, beautiful spot that offers some of the best views of the bridge stretching out across the ocean.
Best Beaches in Marathon, Florida
When you think of the Florida Keys, you probably imagine crystal-clear water and white sand. While most of the Keys are actually rocky, Marathon is home to some of the most beautiful patches of sand and natural parks in the entire state. Here is where a traveler can go to truly get their toes in the sand.
5. Sombrero Beach (MM 50)
If you’re looking for that classic “postcard” beach, this is it. Sombrero Beach is a favorite for travelers because it has a huge sandy beach, plenty of palm trees for shade, and even some cool playgrounds for kids.
It’s located at the end of a quiet road (look for Mile Marker 50), and it’s one of the best spots in the Middle Keys to watch the sky turn orange at the end of the day. If you visit between April and October, you might even see areas taped off to protect nesting turtles! It’s a great place to spend a whole afternoon just swimming or having a picnic.
6. Curry Hammock State Park (MM 56)
For the traveler who wants to do more than just sit in a chair, Curry Hammock State Park is a dream. This park is tucked away at MM 56 and feels like a hidden world. The water here is super shallow and calm, which makes it perfect for kayaking and paddleboarding.
You can rent a board and glide through thick mangroves where you might spot tiny crabs or even a manatee. If it’s a windy day, you’ll see people kiteboarding across the waves, which is a blast to watch. There are also a few short nature trails that wind through the native trees if you want to stretch your legs on land.
7. Bahia Honda State Park (MM 37)
Technically, this park is just a short 15-minute drive south of Marathon, but no trip to the area is complete without it. It’s famous for having the most iconic bridge views in the Keys.
A traveler here has two great choices: Calusa Beach, which is right next to the old bridge, or Sandspur Beach, which stretches out with miles of shallow water. Walking along the shore here feels like being on a deserted island. The water is so clear that you can see fish swimming around your ankles without even wearing a mask!
Why Travelers Love Marathon Beaches
- Calm water that’s great for swimming and floating
- Family-friendly atmosphere with space to relax
- Easy access for beach picnics and short visits
- Beautiful sunset views without large crowds
Compared to busier beach destinations in the Keys, Marathon beaches feel slower and more peaceful. Many travelers enjoy pairing a beach visit with nearby activities like kayaking, boating, or a scenic drive along the Overseas Highway, making beach time just one part of a well-rounded day in the Middle Keys.
Wildlife & Interactive Adventures in Marathon Florida
If you love getting up close to animals, Marathon is basically one giant outdoor classroom. But it’s the fun kind of classroom where you can actually touch the “students.” From feeding giant fish to meeting brainy dolphins, these interactive spots are some of the most memorable things a traveler can do in the Middle Keys.
8. Florida Keys Aquarium Encounters
This is not your average “look but don’t touch” aquarium. Here, a traveler can get their hands wet almost immediately. The Tide Pool Touch Tanks are full of starfish, queen conchs, and horseshoe crabs that you can gently pick up.
If you’re feeling brave, you can even buy a bag of fish and try to hand-feed a tarpon. These fish are huge and have giant mouths, so it’s a real thrill when they jump up to grab a snack! For the ultimate adventure, you can put on a mask and go snorkeling in their massive Coral Reef tank, where you’ll swim right alongside colorful tropical fish and rays. There is even a Predator Reef section where you can watch a shark feeding from behind the safety of the glass.
9. Dolphin Research Center (Grassy Key)
Just a tiny bit north of Marathon on Grassy Key, a traveler will find the Dolphin Research Center. What makes this place cool is that it’s research-based, so the focus is really on how smart these animals are and how they live.
You can walk along the boardwalks and watch the dolphins playing or working with their trainers in the natural lagoons. If you want to get in the water, they have programs where you can meet a dolphin, give them a high-five, or even do a “painter” session where a dolphin helps you make a piece of art! It’s a very calm and respectful place where you can tell the animals are really well-loved.
10. Crane Point Wild Bird Center
Tucked away inside the 63 acres of Crane Point Hammock, this center is like a hospital for birds. A traveler can walk the shaded paths and see all kinds of rehabilitated birds like hawks, pelicans, and owls that are being cared for until they are strong enough to fly back into the wild.
While you are at Crane Point, don’t miss the weirdest (and funniest) experience in town: the fish pedicure. You can walk down to a special dock, sit on the edge, and put your feet in the water. Hundreds of tiny minnows will swim up and start gently nibbling on your toes! It tickles like crazy, but it’s a “must-try” local tradition that travelers always talk about.
11. Crane Point Museum and Nature Center
Marathon also offers quieter ways to enjoy nature. Places like Crane Point Museum and Nature Center provide walking trails, ocean views, and insight into local history and ecosystems. Just outside town, Curry Hammock State Park is perfect for kayaking, birdwatching, and enjoying peaceful coastal scenery.
Travelers who enjoy wildlife, open spaces, and learning about the environment often find Marathon especially rewarding. Between turtle rescue centers, dolphin encounters, and scenic parks, this part of the Keys offers nature experiences that feel genuine, relaxed, and unforgettable.
Snorkeling, Diving & Water Adventures in Marathon Florida
For many travelers, snorkeling and water activities are the main reason to look up the best things to do in Marathon Florida—and this is where the Middle Keys really shine. The waters around Marathon are generally calm, clear, and perfect for both beginners and experienced ocean lovers.
12. Snorkeling in Marathon Florida
Snorkeling is one of the most popular activities here, thanks to nearby coral reefs and shallow waters. Sombrero Reef is a favorite snorkeling spot, known for its colorful fish, coral formations, and good visibility on calm days. While snorkeling directly from the beach is limited, boat and pontoon tours make it easy to reach the best reef areas just offshore.
Many travelers enjoy guided snorkeling tours because they provide equipment, local knowledge, and access to protected reef areas—making the experience easy and stress-free.
13. Scuba Diving in the Middle Keys
For those looking to go deeper, scuba diving in Marathon offers a chance to explore coral reefs, marine life, and underwater scenery unique to the Florida Keys. Dive sites in the area are often less crowded than those near Key West, which makes the experience feel more relaxed and personal.
14. Kayaking, Paddleboarding & Calm-Water Fun
Marathon is also a great place for kayaking and paddleboarding, especially around mangroves and protected waterways. These activities are popular with families and travelers who want a slower-paced way to enjoy the ocean while spotting fish, birds, and other wildlife.
15. Sandbar Tours, Boating & Parasailing
Beyond snorkeling, travelers can choose from sandbar tours, boating excursions, parasailing, and sunset cruises. Sandbar trips are especially popular, offering shallow crystal-clear water where visitors can swim, relax, and enjoy the Florida Keys sunshine.
With so many ways to get out on the water, Marathon makes it easy for travelers to mix adventure with relaxation. Whether snorkeling over coral reefs, kayaking calm waters, or cruising toward a sandbar, water activities are a major highlight of any visit to Marathon, Florida.
Scenic Drives & Sightseeing in Marathon Florida
One of the simplest—and most unforgettable—ways travelers experience Marathon is by slowing down and enjoying the views. Scenic drives and easy sightseeing spots are a big part of what makes this area of the Florida Keys so special.
16. Overseas Highway
The Overseas Highway runs straight through Marathon and connects the Keys from mainland Florida to Key West. Travelers often say this drive is one of the most scenic road trips in the United States. Along the way, there are water views on both sides, pull-off spots for photos, and easy access to beaches, parks, and local attractions.
17. Easy Sightseeing Without the Rush
What makes sightseeing in Marathon special is how relaxed it feels. There’s no need for strict schedules or long lines. A simple drive, a short walk, or a stop for photos can easily turn into a highlight of the trip.
For travelers who enjoy scenic views, historic spots, and road-trip moments, Marathon delivers some of the most beautiful and stress-free sightseeing experiences in the Middle Keys.
Parks, History & Cultural Attractions in Marathon, Florida
Beyond beaches and water adventures, Marathon offers travelers a chance to slow down and explore the natural and cultural side of the Florida Keys. These spots add balance to a trip and are easy to enjoy without crowds or long lines.
18. Public Art, Harbor Views & Local Culture
Marathon also has small cultural touches that travelers enjoy discovering. Colorful Wyland murals appear around town, celebrating marine life and island culture. Boot Key Harbor offers scenic waterfront views, especially in the evening, when boats line the harbor and the sky starts to glow.
These attractions show a quieter side of Marathon—one that blends nature, history, and everyday island life.
Boat Tours, Fishing & Sunset Cruises in Marathon, Florida
Getting out on the water is a big part of visiting Marathon, and travelers have plenty of options—whether they’re looking for adventure, relaxation, or something in between.
19. Boating & Easy Ocean Access
For those who prefer flexibility, boating tours around Marathon offer a chance to explore nearby islands, reefs, and quiet stretches of water. Many travelers say boating here feels less rushed and less crowded than in other parts of the Keys.
Whether it’s casting a line, cruising into the sunset, or floating at a sandbar, boating experiences are a major highlight and a must-do for anyone exploring the best things to do in Marathon Florida.
Food, Restaurants & Local Flavor in Marathon, Florida
After a long day of exploring, a traveler’s next mission is finding the best local food. In Marathon, you don’t need a fancy suit or a reservation at most spots. The vibe is “Keys Casual,” which means flip-flops are always welcome, and the seafood is often so fresh it was likely swimming in the ocean that morning.
20. Keys Fisheries (MM 48.5)
If you ask anyone in town where to go, they will point you toward Keys Fisheries. It’s located right on the water at the end of 35th Street. This isn’t a sit-down-and-wait-for-a-server kind of place; you order at a walk-up window and give them a “name” for your order (usually a famous movie star or a fish).
A traveler has to try the Lobster Reuben. It sounds weird to put lobster on a sandwich with sauerkraut and dressing, but it is a total legend in the Middle Keys. If you’re visiting during the right season, this is also the best place to crack into some fresh stone crab claws. You can sit at the wooden picnic tables on the dock and watch the fishing boats unload their catch while you eat.
21. Castaway Waterfront Restaurant & Sushi (MM 48)
Tucked away in a quiet neighborhood, Castaway is a hidden gem that has been around since the 1950s. While they have great steaks and standard seafood, travelers come here for the Lionfish sushi.
Lionfish are actually an invasive species that hurt the local coral reefs, so by eating them, you’re actually helping the environment! The fish is light, flaky, and delicious. Plus, the restaurant sits right on a canal, so you can watch the boats cruise by while you enjoy your meal.
22. Burdine’s Waterfront (MM 48)
For a traveler who wants a “hidden” spot that feels like a local secret, head to Burdine’s. It’s located inside a marina, and you have to go upstairs to the deck to eat. It’s one of the best spots for waterfront dining because you get a great view of the masts of all the sailboats.
You have to try their fries with “Fry Dust”—it’s a secret seasoning that is a little salty and a little sweet. Their burgers and key lime shakes are also huge hits after a day in the sun.
23. The Stuffed Pig (MM 49)
For the most important meal of the day, a traveler should look for the giant pig statue on the side of the road. The Stuffed Pig is the go-to spot for a massive breakfast. Whether you want traditional eggs and bacon or a “crawfish omelet,” the portions are huge and the atmosphere is super friendly. It’s a great place to fuel up before heading out to the Seven Mile Bridge.
24. Sweet Savannah’s (MM 49)
No trip is complete without dessert. Sweet Savannah’s is an award-winning bake shop and ice cream parlor. They serve hand-scooped ice cream and, of course, authentic Key Lime Pie. They even have a version dipped in chocolate on a stick! It’s the perfect way to cool down when the Florida heat starts to kick in.
25. The Best Things to Do in Marathon Florida with Kids
Marathon is especially popular with families because many attractions are fun, educational, and easy to enjoy with kids of all ages.
Places like the Turtle Hospital and Dolphin Research Center are often highlights for younger travelers, offering hands-on learning experiences without feeling overwhelming. These stops mix fun with education, making them memorable for both kids and adults.
Sombrero Beach is another family favorite thanks to its calm water, clean sand, and open space for playing. Kayaking and paddleboarding in protected areas are also great options for families looking for gentle outdoor adventures.
What makes Marathon stand out for families is how relaxed everything feels. There’s no rush, no packed schedules, and plenty of flexibility—making it easy to enjoy quality time together while exploring the Florida Keys.
26. Free & Budget-Friendly Things to Do in Marathon, Florida
Travelers don’t need a big budget to enjoy Marathon. Many of the most memorable experiences here are completely free and highlight the natural beauty of the Florida Keys.
Sombrero Beach is perfect for a no-cost beach day, whether it’s swimming, relaxing in the sand, or watching the sunset. Walking or biking part of the Old Seven Mile Bridge is another favorite, offering wide-open ocean views and peaceful surroundings.
A drive along the Overseas Highway costs nothing beyond gas and delivers nonstop scenery. Harbor areas like Boot Key Harbor are also great for evening strolls, people-watching, and sunset views. These simple experiences often end up being the highlights of a trip to Marathon.
What to Pack
You don’t need a suitcase full of fancy clothes. “Keys Casual” means shorts, t-shirts, and flip-flops are perfect for almost anywhere. Here are the three things a traveler should never forget:
A Sun Shirt: Even with sunscreen, that Florida sun is no joke. A light, long-sleeved “fishing shirt” will keep you from turning into a lobster.
Reef-Safe Sunscreen: To protect the beautiful coral reefs where you’ll be snorkeling, make sure your sunscreen doesn’t have chemicals that hurt the fish.
Polarized Sunglasses: These are a game-changer! They cut the glare on the water so you can actually see the sea turtles and rays swimming under the surface.
Conclusion
Marathon stands out as one of the most rewarding stops in the Florida Keys, especially for travelers who want a mix of relaxation and adventure without the crowds. From calm beaches and coral reefs to wildlife encounters, scenic drives, and laid-back waterfront dining, the variety of the best things to do in Marathon Florida makes it easy to enjoy the destination at any pace.
What travelers appreciate most is how balanced Marathon feels. It’s family-friendly without being overly touristy, adventurous without being overwhelming, and scenic without needing a packed itinerary. Whether visiting for a day, a weekend, or as part of a Florida Keys road trip, Marathon delivers memorable experiences that feel genuine and unhurried.
For those looking to slow down, explore nature, and enjoy the Keys beyond the usual hotspots, Marathon is a destination that quietly impresses—and often becomes a place travelers want to return to.
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FAQs
Is Marathon Florida worth visiting?
Yes, Marathon is worth visiting for travelers who want beaches, wildlife experiences, water activities, and scenic drives in a relaxed setting. It offers many Florida Keys highlights without the heavy crowds found in busier destinations.
What is Marathon Florida best known for?
Marathon is best known for Sombrero Beach, snorkeling and diving, the Turtle Hospital, Dolphin Research Center, and easy access to the Seven Mile Bridge. It’s also popular for boating, fishing, and family-friendly attractions.
How many days do you need in Marathon Florida?
One to two days is enough to see the main attractions, but a weekend allows travelers to enjoy beaches, water activities, wildlife centers, and scenic drives at a more relaxed pace.
Is Marathon better than Key West?
Marathon and Key West offer different experiences. Marathon is quieter, more family-friendly, and nature-focused, while Key West is livelier with nightlife and crowds. Many travelers prefer Marathon for a calmer Florida Keys experience.
What are the best free things to do in Marathon Florida?
Free activities include relaxing at Sombrero Beach, walking the Old Seven Mile Bridge, driving the Overseas Highway, exploring harbor areas, and watching sunsets over the water.
Is Marathon Florida good for families?
Yes, Marathon is very family-friendly. Attractions like the Turtle Hospital, Dolphin Research Center, calm beaches, and easy outdoor activities make it a great destination for kids and adults alike.
