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Marathon Attractions

Places to Visit in Marathon - Marathon Must-See Attractions

Things to Do in Marathon

Check out must-see sights and activities:
The Turtle Hospital, Sombrero Beach, Beaches, Nature and Wildlife Tours. For personalised recommendations, try our AI trip-planning product.
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Top Attractions in Marathon

These rankings are informed by Tripadvisor data—we consider traveller reviews, ratings, number of page views, and user location.

Marine sanctuary and hospital in a repurposed motel, provides a 90-minute educational tour on sea turtle rehabilitation, including interactive feeding sessions and surgery viewings.
This attraction description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.

Sandy beach with Caribbean vibes, shaded palm trees, and a variety of leisure activities like volleyball and picnicking. Ideal for family outings and sunset strolls.
This attraction description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.

Dolphin encounter centre with intimate interactions, including swims and dolphin painting. Highlights natural seawater habitats and voluntary animal participation.
This attraction description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.

Historical island tour with engaging guides sharing insights into the railroad's impact on regional development. Features a scenic train ride, museum, and walks on a picturesque renovated bridge.
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Spanning azure waters, this iconic bridge provides panoramic ocean vistas, marine life sightings, and a historic journey. Ideal for cycling, walking, or a scenic drive, especially at sunset.
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Nature centre with diverse trails, wildlife encounters, and bird sanctuary, plus historic homes and educational exhibits. Tram tours and fish pedicures add to the family-friendly activities.
This attraction description was created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for this description. Please read full traveller reviews for more details and information. If you believe something in this AI-generated description is inaccurate, please share your feedback.

Interactive aquarium with touch tanks and diving opportunities, featuring a diverse array of sea life including fish, sharks, and stingrays, alongside unique coral reef exhibits.
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Snorkeling and diving destination with clear waters, abundant marine life, and colourful coral reefs. Known for its marine sanctuary and family-friendly vibe, ideal during high tide.
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Historic bridge offering scenic walks and bike rides with views of marine life and local avifauna. Ideal for sunrise and sunset, with a touch of history on the route to Pigeon Key.
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Tranquil beach retreat featuring wildlife encounters, kayaking, and paddleboarding. Enjoy family-friendly activities with shaded picnic spots and a playground amidst natural Florida landscapes.
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Visitor centre equipped with local maps, insights on sightseeing, dining, and teen-friendly activities. Includes RV site listings and historical background of the Keys.
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Other Top Attractions around Marathon



*Likely to sell out: Based on Viator’s booking data and information from the provider from the past 30 days, it seems likely this experience will sell out through Viator, a Tripadvisor company.

What travellers are saying

  • Tamara7193
    3 contributions
    5.0 of 5 bubbles
    Excellent tour by Taylor, lots of information about what to do with injured turtles. They are fantastic and do amazing work!! Definitely worth a visit to support the turtles!!! ❤️
    Written 28 November 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • Jonathan G
    20 contributions
    5.0 of 5 bubbles
    This beach is a hidden gem, especially for dog lovers. It’s dog-friendly, making it the perfect spot for a day out with your furry friend. There’s also a designated area for snorkeling, adding a touch of adventure to your visit. My wife, our dog, and I spent the day here, and it was incredibly chill and relaxing. The water was calm and warm, ideal for both swimming and lounging. We stayed until sunset, which was absolutely stunning—an unforgettable way to wrap up Thanksgiving Day. The weather was perfect, enhancing the overall experience. I highly recommend this beach, especially if you’re looking for a dog-friendly destination to relax and unwind.
    Written 2 December 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • DannyWasserman
    Virginia Beach, VA4,611 contributions
    5.0 of 5 bubbles
    We wanted to get a Birdseye view of the Dolphins on our visit to state Of Florida. We stopped by the Dolphin research center in the Grassy Key area and were not disappointed. There is a small fee to enter, and they have several areas where you can watch the dolphins get fed, do tricks, swim, and talk back to the humans. You can even get in the water and go swimming the dolphins. There is a small gift shop at the end if you would like to pick up some items.
    Written 30 November 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • Roger O
    Manuel Antonio, Costa Rica201 contributions
    5.0 of 5 bubbles
    Great pace to go back in time and see how the railroad and highways were built. The guide did an incredible job of explaining how things got done and the day to day life of the workers. We had a break because of the wind so we could not go fishing, this was a good alternative. We were staying in Marathon for thanksgiving. This was a male bonding trip for me and my 3 sons, age 12, 31, and 33. I highly recommend it.
    Written 1 December 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • DannyWasserman
    Virginia Beach, VA4,611 contributions
    5.0 of 5 bubbles
    Tremendous views on the Seven Mile Bridge coming from Key West Florida working your way up the Keys to the marathon Key. Spectacular bridge and stunning views should not be missed. Check it out, you will be happy.
    Written 28 November 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • Jonathan G
    20 contributions
    5.0 of 5 bubbles
    Crane Point was a lovely outing, especially with our dog, as the area is very dog-friendly. The trails, while on the shorter side, provided good exercise and made for a great outing if you have a pet. We rented a kayak and were delighted to find that dogs were allowed to join us. We spent a couple of hours kayaking and exploring the nearby islands, one of which is called Bird Island. The island was teeming with various bird species and even a few iguanas. While we couldn’t set foot on the island, we were able to kayak right up to it and get an up-close view of the wildlife. It also looked like a good spot for snorkeling, though we didn’t try it ourselves, but we did see others enjoying the water.

    Crane Point also features a unique fish pedicure experience, which I tried for the first time and thoroughly enjoyed. Additionally, the Adderley House was available for viewing, though only from the outside during our visit—it seems it’s usually open to the public. Overall, it was a great day. If you’re not kayaking, you can explore everything within an hour. However, if you do kayak, you’ll have access for the whole day, though 2-3 hours is plenty of time to paddle out to the islands, explore, and return.
    Written 2 December 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • TravelingOYEster
    Palm Beach, FL406 contributions
    5.0 of 5 bubbles
    Better than expected. If you have young kids who love to pet and feed stingrays, turtles and more - this is a great spot to spend 2 hours or so. Worth the $$$.
    Written 25 November 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • April G
    4 contributions
    5.0 of 5 bubbles
    Captain Patrick and 1st Mate Cody were awesome! Very knowledgeable and fun. Snorkeling was great, water was a little choppy, but didn’t ruin anything. Reef was one of the prettier reef’s I’ve snorkeled. Would highly recommend, especially for couples.
    Written 17 May 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • DannyWasserman
    Virginia Beach, VA4,611 contributions
    5.0 of 5 bubbles
    We loved our journey up the Florida Keys. Driving the Old Seven Mile Bridge was part of the journey coming from Key West and working your way up to Key Largo. Take the trip, it's well worth it. The views are unbelievable, and the water is so blue and clear.
    Written 29 November 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • JoeyLucas
    Washington DC, DC13 contributions
    4.0 of 5 bubbles
    We were surprised to find that this state park is not renting kayaks. You need to bring your own or use an outside provider.

    The beach is very small, but we enjoyed walking in the shallow water and seeing the hermit crabs,
    Written 1 January 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • Tour48711028687
    25 contributions
    5.0 of 5 bubbles
    We went to see the Christmas lights and they did not disappoint. The lights are gorgeous and you walk through the church garden with the statues that are all beautifully decorated. We went twice while we were in town.
    Written 21 December 2023
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
  • 1964lesj
    Knoxville, TN125 contributions
    5.0 of 5 bubbles
    Very small building, but a lot of good information. I spoke to the woman at the desk and she gave me some very useful tips. Places to eat, places to visit, local attractions, etc. She was very knowledgeable about the area. She even gave me ideas of what to do in Key West. Very much worth a visit. Highly recommend.
    Written 14 November 2024
    This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. Tripadvisor performs checks on reviews.
The above attraction descriptions were created by AI, using information and phrases commonly found in reviews users submitted to Tripadvisor. Tripadvisor did not create and is not responsible for any of the above hotel descriptions. Please read full traveller reviews for more details and information. If you believe something in one of these AI-generated descriptions is inaccurate, please share your feedback.
Reviews are the subjective opinion of Tripadvisor members and not of Tripadvisor LLC. Tripadvisor performs checks on reviews as part of our industry-leading trust & safety standards. Read our transparency report to learn more.
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