Sightseeing & Snorkel Charters in Marathon, FL – Explore Paradise Above & Below the Water
Discover the beauty of Marathon, Florida, with Custom Cat Charters’ private Sightseeing & Snorkel Adventures. Step aboard our spacious 35’ luxury catamaran, where comfort meets discovery. We’ll cruise the turquoise waters of the Florida Keys, stopping at vibrant coral reefs, hidden mangroves, and sandy coves. Along the way, you can snorkel among tropical fish, colorful corals, and marine life — or simply relax on deck and soak in the views.
Perfect for families, couples, and nature enthusiasts, this experience is a memory-filled alternative to fishing trips. Whether it’s your first time snorkeling or you’re just here for the scenery, every moment promises wonder, comfort, and relaxation.
Book Your Sightseeing & Snorkel Charter Today
Destinations We Explore
Your itinerary may include a mix of the Keys’ most iconic spots:
- Sombrero Reef – a world-famous coral reef with schools of tropical fish.
- Coffins Patch Sanctuary – shallow reef patches perfect for beginners.
- Bahia Honda State Park waters – crystal-clear snorkeling with sea turtles.
- Mangrove islands near Boot Key & Duck Key – peaceful cruising and birdwatching.
- Dolphin and turtle sighting areas – watch marine life in its natural habitat
Your Ride: Comfort & Safety
Our 35’ luxury custom catamaran was built for comfort, stability, and adventure. Onboard you’ll find:
Wildlife & Seasonal Highlights
Depending on the season, you may spot sea turtles drifting gracefully, dolphins playing alongside the boat, or migratory birds nesting in the mangroves.. The waters around Marathon are alive year-round, with something unique to see in every season:
Spring
(March–May)
Calm seas, excellent snorkeling visibility, dolphin pods nearby.
Summer
(June–August)
Peak turtle season, vibrant reef activity, warm waters.
Fall
(September–November)
Clear water, fewer crowds, possible manatee sightings.
Winter
(December–February)
Crystal-clear water for snorkeling, and migratory birds along the shoreline.
What’s Provided
Snorkeling gear
(masks, fins, vests — kids’ sizes available)
Expert Snorkeling Trainer
Safety-certified crew and expert snorkeling instruction
Refreashment
Bottled water, ice, drinks, snacks, and lunch
Cooling Services
Cooler space for any extras you bring
Charters Amenties
Full restroom, shaded seating, and freshwater shower
USCG-licensed captains
Experienced, USCG-licensed captains.
Why Choose Custom Cat Charters?
When you book with us, you’re not just booking a snorkel trip — you’re creating an experience. Our luxury catamaran, flexible itineraries, and family-friendly crew make us the perfect choice for groups, couples, and eco-adventurers. From snorkeling reefs and spotting dolphins to relaxing at sandbars and watching the sunset, we’ll craft a trip designed around your memories.
Explore Our Other Charters & Experiences
At Custom Cat Charters, we offer more than just offshore adventures. Explore our other private charters and create your perfect Florida Keys experience:
Inshore Fishing
Stay close to shore in calm waters and catch snapper, snook, tarpon, and redfish. Ideal for anglers, families, kids, and beginners.
Offshore Fishing
Venture a few miles offshore to target grouper, snapper, amberjack, and king mackerel around reefs and wrecks. A great balance of comfort and action.
Nearshore Fishing
A few miles off the coast, target grouper, snapper, amberjack, and king mackerel around reefs and wrecks. A balance of comfort and action.
Shark & Barracuda Fishing
Feel the adrenaline rush of battling toothy predators like sharks and barracuda in the waters around Marathon.
Enjoy dolphin watching, snorkel vibrant reefs, or relax at a sandbar. Perfect for families and groups wanting a mix of fun and relaxation.
Sunset Cruises
End the day with a private cruise as the sun sets over the Florida Keys. Relax with your favorite drinks and soak up paradise.
Destination Weddings on the Water
Celebrate your big day aboard our luxury catamaran. Perfect for weddings, proposals, anniversaries, or romantic getaways.
Review
Our guests’ stories say it best. Families, couples, and anglers alike share how Custom Cat Charters made their trip unforgettable. Join the many happy clients who sail with us with confidence.
Customer Experience
This was the best boat charter in the Keys! Captains Andrew and Ryan made it a great experience. I would high recommend them to anyone looking for a good time
Amazing day on the water with family, from snorkeling to sandbar to deep sea fishing! Custom CAT charters made this day of our vacation so special. They were so professional, helpful and accommodating! We can’t wait to see you again next year!
This was the best boat charter in the Keys! Captains Andrew and Ryan made it a great experience. I would high recommend them to anyone looking for a good time
This was the best boat charter in the Keys! Captains Andrew and Ryan made it a great experience. I would high recommend them to anyone looking for a good time
So so so so muchhhh funnnnnn!!!.
