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Guests swimming during an Island Girls Excursions sandbar tour near Marathon, Florida

Your Marathon Sandbar Adventure Starts Here

Cruise through the Florida Keys aboard our spacious 52-foot catamaran on a relaxing Marathon sandbar tour. Swim in shallow turquoise water, lounge on floating mats, explore by paddleboard, or simply unwind with family and friends. With complimentary sandwiches, cold drinks, music, and plenty of time on the water, this family-friendly excursion is the perfect way to enjoy island life.


Cruise • Swim • Float • Unwind

 

Where We Go

Our captain selects the best shallow-water destination based on the day’s weather, tides, and water conditions. We often visit the beautiful Grassy Key Sandbar, also known as Valhalla, one of the most popular sandbar destinations in the Middle Florida Keys.

The cruise is part of the adventure, with beautiful island scenery along the way. Once we arrive, guests typically have approximately two hours to swim, float, paddleboard, explore, and relax in the shallow water.

What’s Included

  • Spacious 52-foot catamaran

  • Complimentary prepared cold-cut sandwiches

  • Iced water and canned sodas

  • Approximately two hours of sandbar time

  • Floating mats and noodles

  • Paddleboards

  • Shaded and sunny seating

  • Restroom onboard

  • Starlink Wi-Fi

  • Friendly, professional crew

What to Bring

  • Swimsuit and towel

  • Reef-safe sunscreen

  • Sunglasses and a hat

  • Camera or phone with a waterproof case

  • Your favorite snacks and beverages in cans or plastic containers—no glass or liquor

  • Personal snorkel gear, if desired

 Common Questions

  • Where does the sandbar tour go?

  • Our captain selects the best destination based on the day’s weather, tides, and water conditions. We often visit the Grassy Key Sandbar, also known as Valhalla.

  • How long do we stay at the sandbar?

  • Guests typically enjoy approximately two hours at the sandbar, with plenty of time to swim, float, paddleboard, and relax.

  • Is this tour family-friendly?

  • Yes. The sandbar tour is suitable for families and guests of all ages. Children must be supervised by an adult.

  • Do I have to swim?

  • No. Swimming is optional. Guests are welcome to relax onboard or enjoy the shallow water at their comfort level.

  • Can I bring my own drinks?

  • Yes. Guests may bring beverages in cans or plastic containers. Glass bottles and liquor are not permitted.

  • Is there a minimum number of guests?

  • Public tours require a minimum number of guests to operate. If the minimum is not met, our team will contact you with available options.

  • Is smoking allowed?

  • No. Smoking is not permitted onboard for the safety and comfort of all guests.

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