All Marathon Tours & Excursions in 2026

Discover the charm of Marathon, FL, with a delightful Sandbar Experience and Sightseeing Cruise. Enjoy a 4-hour adventure exploring the local scenery on a comfortable boat, complete with unique views of the island. Spend a relaxing day at the sandbar, where you can swim in the crystal-clear waters, or opt for kayaking and paddleboarding to enhance your aquatic adventure. Light snacks, drinks, and friendly crew members ensure a fun-filled day for all ages. - 4-hour tour ideal for families and all ages - Scenic boat ride to the sandbar with opportunities for swimming and water sports - Light snacks and drinks provided; guests can bring their own food (no glass or hard alcohol) - Relaxed atmosphere with ample time to enjoy the beautiful waters and surroundings

Cruise into a stunning Florida Keys sunset aboard a comfortable 53’ catamaran. Your crew will guide you through the waters surrounding Marathon, passing local landmarks such as Boot Key Harbor, the Atlantic Ocean, and the historic Seven Mile Bridge. Relax on deck and enjoy the changing colors of the sky while sipping a complimentary champagne toast. The catamaran offers plenty of seating, shaded areas, an onboard restroom, and a cooler stocked with ice, water, and soda. This tour provides a laid-back and memorable way to experience the Keys at golden hour—perfect for couples, families, and anyone who wants to unwind on the water.

Dive into the crystal blue waters of Marathon Key and explore the Sombrero Key coral reef on this group snorkeling tour. Observe the living coral and tropical fish in their natural habitat to your heart’s content for hours. Keep your eyes peeled for trumpetfish, parrotfish, sea turtles, snappers, and more.

Sail across the beautiful waters of the Florida Keys for a day of reef fishing. Charter a private boat for up to four people and cast your line as you try to catch Wahoo, Mahi Mahi, Snapper, Grouper, King Mackeral, and more. Tours are suitable for beginner and experienced anglers so everyone can have a good time catching fish and enjoying a beautiful day out on the water.

Come see for yourself why Marathon Mermaid is voted the #1 thing to do in Marathon! Watching the sunset by water is a must-do when visiting the Keys!

Experience a classic Florida Keys sandbar adventure on a comfortable 53’ catamaran. Cruise through Boot Key Harbor and past scenic landmarks as your crew shares information about the local area and points out interesting sights along the way. Once you arrive at the sandbar, step into shallow turquoise water perfect for swimming, floating, and relaxing. Use the provided water floats and noodles, or simply unwind on deck and enjoy the sunshine and music. This relaxed and family-friendly tour offers plenty of space to move around the boat, shaded seating, onboard restrooms, and a cooler with ice, soda, and water. Ideal for couples, families, and groups, this experience lets you enjoy Marathon’s sandbars the way locals do—easygoing, fun, and surrounded by the natural beauty of the Keys.

Discover the best of the Florida Keys with a thrilling snorkeling and sandbar adventure from Marathon Mermaid. Begin at the stunning Sombrero Reef, where vibrant coral and tropical fish await beneath the clear blue waters. No matter your skill level, this snorkeling excursion promises unforgettable underwater sights. After your underwater exploration, glide over to a picturesque sandbar to continue the fun—swim, kayak, paddleboard, or simply soak up the sun in a serene island setting. With snorkel gear, kayaks, paddleboards, complimentary drinks, and light snacks provided, this trip is a perfect blend of adventure and relaxation.

Ready for the most beautiful 2 hours of your Florida Keys vacation? Forget crowded piers and noise—imagine yourself drifting peacefully as the sun melts into the beautiful water of the Florida Keys. Our 2-Hour Sunset Tiki Cruise transforms the spectacular Keys sunset into a private, moving masterpiece just for you. The Magic of the Sunset Cruise: Front-Row Seat to Nature’s Show: Glide across the tranquil, crystal-blue waters as the sky ignites in a breathtaking palette of reds, oranges, and pinks. You'll have the best, unobstructed view of the legendary Keys sunset from the comfort of your floating tiki bar. A Toast to Paradise: Whether you're celebrating a special occasion or simply savoring a perfect day, the sunset hour is magical. Bring your favorite beverages to toast the end of a perfect day as the stars begin to appear over the horizon. Secure your spot now and create a memory that will glow long after the sun goes down!

What makes this tour unique is the opportunity to snorkel at Sombrero Reef, one of the Florida Keys’ most beautiful and expansive coral reef systems. After cruising approximately four nautical miles offshore aboard a 31-foot motorized catamaran, guests spend about 45 minutes exploring a vibrant underwater ecosystem filled with mature coral formations, colorful tropical fish, sea fans, sponges, rays, sea turtles, and other marine life. The combination of a scenic offshore boat ride, an uncrowded open-water setting, and the chance to experience a thriving natural reef makes this more than a typical snorkeling trip. It offers guests an up-close look at the incredible marine environment that makes the Florida Keys so special.

Discover the vibrant underwater ecosystem of the Florida Keys on a Reef Snorkel Adventure to the renowned Sombrero Key Light Reef. Aboard the luxurious Marathon Mermaid, glide through the crystal-clear waters for an unforgettable snorkeling experience. This 3-hour excursion invites all ages to explore the colorful coral and diverse marine life, guided by a knowledgeable crew dedicated to your safety and enjoyment. After your underwater exploration, relax on the return trip while savoring fresh fruit and refreshing beverages, reminiscing about the aquatic wonders you’ve encountered.

Embark on a lively 1.5-hour Tiki Fun Cruise through the stunning Florida Keys. Glide over crystal-clear waters on an authentic tiki bar boat, where you can savor your favorite drinks while soaking up the sun. Keep your eyes peeled for dolphins, sea turtles, and vibrant seabirds as your knowledgeable captain shares insider secrets and local history of the Keys. Choose between a picturesque scenic harbor cruise or a refreshing swim stop at a beautiful sandy beach. This tour promises to be a memorable highlight of your Florida adventure. - 1.5-hour cruise on a unique tiki bar boat - Spot dolphins, turtles, and seabirds in their natural habitat - Learn local history and fun facts from your captain - Choose between a scenic cruise or a swim stop at the beach

Witness the vibrant hues of a Florida Keys sunset on a 90-minute cruise along the stunning Seven Mile Bridge. This intimate experience aboard a 31’ motorized catamaran offers 360-degree views and a shaded seating area, perfect for relaxing with friends and family. Enjoy complimentary soda and water as you soak in the breathtaking scenery, making it a memorable way to end your day in Marathon. With space for just 26 guests, this cruise is a beloved highlight for many visitors to the Florida Keys. - 90-minute sunset cruise with views of the iconic 7-Mile Bridge - Intimate setting with a maximum of 26 guests for a personalized experience - Complimentary drinks: soda and water, with BYOB policy for alcohol - Enjoy 360-degree views on a spacious motorized catamaran with shaded seating

Experience a relaxing start to your day on a spacious 53’ luxury catamaran as you cruise through the clear waters surrounding Marathon. Enjoy a complimentary morning mimosa as the crew guides you along scenic coastlines with views of the Atlantic Ocean, Boot Key, and the iconic Seven Mile Bridge. Take a refreshing swim in calm, shallow waters and explore the sandy bottom for shells and sea life. With plenty of space on board, comfortable seating, and friendly local crew, this tour offers a peaceful and memorable way to experience the beauty of the Florida Keys.

This experience combines the thrill of fishing with a relaxed, fun atmosphere. You’ll be guided by a seasoned captain who knows the best local fishing spots—hidden honey holes full of fish and stories. Unlike typical charters, we offer hands-on tips for beginners and seasoned anglers alike, ensuring everyone learns something new while having a great time. It’s more than just fishing—it’s an adventure filled with laughter, connection, and unforgettable moments on the water.

Experience premier snorkeling in the Florida Keys aboard the Island Pearl, a 50-foot classic vessel with modern comforts and a colorful past as the liberty boat for the USS Roosevelt. Set off on a scenic excursion past Marathon’s iconic landmarks while we share fascinating stories of the Keys’ historic past. Then, explore vibrant reefs teeming with marine life, or simply relax on the water and take in the views. Even if you’re less adventurous or prefer to stay dry, there’s plenty to enjoy—this is a tour that truly lets everyone in your group experience the magic of the Keys. This unique adventure is quickly becoming a Florida Keys tradition for visitors who want history, scenery, and unforgettable snorkeling.

A Sunset Cruise with a Twist aboard the Island Pearl Wrap up your perfect day in the Keys aboard the Island Pearl, a 50-foot classic vessel with modern comforts and a colorful past as the liberty boat for the USS Roosevelt. Set out on a relaxing evening cruise through the heart of Marathon as we share the rich history surrounding the Seven Mile Bridge, Pigeon Key, and other landmarks that shaped the Middle Keys, with relaxing island music to enhance the vibe. Bring your favorite beverage and toast the day as the sky glows with color over the island waters. There’s even a chance you’ll spot playful dolphins along the way! Whether you’re soaking in the history, the views, or just the laid-back Keys atmosphere, this cruise offers something special for everyone on board. This one-of-a-kind experience is quickly becoming a Florida Keys tradition for visitors who want to end their day with scenery, storytelling, and a truly memorable time on the water.

Ideal for travelers short on time, this private tour covers the best of Key West in one day from Marathon. Highlights include stops at the Hemingway House, Mile Marker Zero, and Mallory Square at sunset. Enjoy roughly three hours of free time to explore at your own pace. Upgrade to include a sunset sail, dinner cruise, or other Key West attractions.

We love what we do ! We cater to private groups and families. We have one of the best fisheries in the world and we pride ourselves on giving customers a unique experience here in the beautiful Florida Keys. Let us help you create some great memories.

Discover the enchanting beauty of the Florida Keys with Island Girls Excursions. This adventure combines relaxing sandbar experiences with stunning sunset cruises. Unwind on your spacious 52’ catamaran, complete with complimentary snacks and drinks while soaking up the sun or exploring the crystal-clear waters. Your experienced crew will ensure a smooth sailing experience, showcasing the best spots in the area. Perfect for groups seeking relaxation, celebration, or exploration, this tour promises unforgettable memories in paradise. - Enjoy a leisurely sandbar trip with paddleboarding and floats - Experience breathtaking sunset views while sipping drinks - Spacious and comfortable 52’ catamaran with Wi-Fi - Friendly and knowledgeable crew dedicated to your safety and enjoyment

Experience the Florida Keys from the open water aboard a 50-foot sailboat departing from Marathon. This small-group daytime cruise travels through the Florida Keys National Marine Sanctuary, offering a chance to take in the area’s coastal scenery and enjoy the feel of sailing along the Keys. Combining natural beauty with a taste of maritime adventure, it’s a relaxing way to experience this stretch of Florida’s picturesque coastline.

This snorkeling adventure goes beyond the ordinary by offering crystal-clear waters, vibrant coral reefs, and an incredible variety of marine life—all in a serene, picturesque setting. Unlike standard tours, we prioritize your safety and comfort with a dedicated crew, allowing you to fully relax and enjoy the experience. It’s not just a snorkeling trip—it’s an immersive journey into the beauty of the ocean, designed for both beginners and seasoned explorers.

Unleash your adventurous spirit with a jet ski rental from Seahorse Water Adventures in Marathon, Florida. Explore stunning coastal views and encounter native wildlife at your own pace, whether you’re seeking excitement or relaxation. With both half-day and full-day rental options available, you can conveniently tailor your experience to fit your schedule. Enjoy the freedom of the open water while we ensure a smooth rental process, including safety gear. - Explore the beautiful waters of the Florida Keys at your leisure - Encounter native wildlife and stunning coastal views - Safety gear included for a worry-free adventure

The 21' Hurricane Sundeck is the perfect blend of comfort, versatility, and performance, making it a top choice for adventurers and families alike. Whether you’re fishing, snorkeling, or cruising, this boat delivers an exceptional experience on the water. Why It Stands Out: Smooth & Safe Ride: Handles well in all conditions for a worry-free outing. Versatile Design: Ideal for fishing trips, family adventures, or group excursions. Premium Features: Includes a Bimini top for shade, live well, rod holders, swim ladder, spacious deck, and comfortable seating. Perfect Size: 21 feet long with capacity for up to 10 passengers—room for everyone without sacrificing maneuverability. Adventure Ready: Great for sandbar hopping, snorkeling, or simply relaxing in style.