The Caribbean’s real treasures aren’t in the shops. They’re underwater.
Creole Rock, right here in Grand Case Bay, is one of the most vibrant coral reefs in the entire Caribbean. Tintamarre — that uninhabited island you can see from the beach — is where sea turtles graze in the seagrass like they own the place. And somewhere beneath the surface of Little Bay, 300 sculptures are slowly becoming a reef, telling the story of this island in a way no guidebook ever could.
St Maarten has two sides, two languages, and one ocean. And that ocean? It rewards the curious.
These are the snorkeling tours worth your time — and your trust.
No time to read everything? These are the snorkeling tours in St Maarten we'd book without hesitation — each one for a different reason.
Top picks – Best snorkeling tours in St Maarten
Captain Bob’s speedboat takes you everywhere in one day : turtles at Tintamarre, the reef at Creole Rock (right in front of Grand Case, my backyard), lunch on Pinel with an iguana eyeing your plate, and planes skimming your head at Maho. Six hours that feel like the best decision you made all trip.
This one is for you if you want to see it all — both sides of the island, multiple snorkeling spots, beaches, wildlife, and a crew that keeps the energy high from start to finish. Small group, family-friendly, and they’ve never once let a cruise passenger miss their ship. Not once.
If it’s your first time in St Maarten and you only book one thing — this is it.
🔥 St Maarten’s #1 ranked excursion on TripAdvisor for 10 years running.
✅ Free cancellation · Open bar · Lunch included · Snorkel gear
→ Book Captain Bob's speedboat snorkeling tour
A 54-foot catamaran that moves fast but feels like a floating living room. The crew cooks the BBQ while you’re underwater at Tintamarre chasing turtles. You surface, and the cocktail is already waiting. Hand-shaken. With real rum.
Creole Rock, Pinel Island, Tintamarre — the holy trinity of snorkeling in St Maarten, all in one day. Masks on, world off. And when you’re done in the water, you collapse on a beanbag at the bow and let the Caribbean do its thing.
This one is for people who want it all — the snorkeling, the beaches, the food, the vibe — without sacrificing one inch of comfort. Max 28 guests. It never feels like a crowd.
🔥 Best open bar on the water. Ask anyone who’s been.
✅ Free cancellation · Open bar · BBQ lunch · Paddleboards · Snorkel gear
→ Book the Boomerang power catamaran
You leave Philipsburg with rum punch in hand and sail the entire coastline of St Maarten. Tintamarre first, for an hour of snorkeling in the marine reserve — turtles, clear water, soft sand. Then Creole Rock, right in Grand Case Bay, where the reef is alive with color. Lunch is a BBQ buffet cooked on board at Happy Bay. Then the afternoon unwinds slowly — Marigot, Baie Rouge, La Samanna, Mullet Bay, Maho — before the captain hands you a glass of champagne as you pull back into Great Bay.
One day. The whole island. That glass of champagne at the end? Earned.
This is for people who want to understand St Maarten from the sea — both sides, all the way around.
🔥 The full island, start to finish. No shortcuts.
✅ Free cancellation · Open bar · BBQ lunch · Champagne on arrival · Snorkel gear
→ Book Eagle Tours — full island sailing & snorkeling
✅ Free cancellation · Open bar · Lunch on board · Snorkel gear
→ Book Eagle Tours — tropical catamaran snorkeling
Beneath the surface of Little Bay, 300 sculptures are slowly becoming a reef. Life-cast from real people of St Maarten — fishermen, teachers, children — they stand on the seafloor at 5 meters deep, already covered in coral, already full of fish. You float above them and try to find words for what you’re seeing. Most people can’t.
This is not a snorkeling tour. It’s an underwater museum. The guides are the people who built it — they designed it, installed it, and they’ll tell you the story of every gallery while you’re in the water with them.
Winner of the Caribbean’s New Attraction of the Year 2025. Two hours, departure from Bobby’s Marina, a 10-minute walk from the cruise port. Small groups only.
If you’ve seen every beach and done every boat tour — this is what’s next.
🔥 There is nothing else like this in the Caribbean. Nothing.
✅ Free cancellation · Snorkel gear included · In-water guide · Small groups
→ Book Under SXM — underwater sculpture park snorkel
If it’s your first time on the island and you want to see everything in one day, Captain Bob. No hesitation. Six hours, both sides of the island, turtles, reef, planes, lunch — it’s the full St Maarten experience compressed into one perfect day. I’ve recommended it hundreds of times and nobody has ever come back disappointed.
If you want the catamaran vibe — more space, better food, that floating-living-room feeling — go with Boomerang. The BBQ they cook on board while you’re in the water is genuinely good. And the cocktails are not an afterthought.
If you want to feel the French side — really feel it — Eagle Tours’ full island sailing tour is the one. You’ll pass my bay. You’ll snorkel Creole Rock. You’ll have champagne in your hand when you pull back into port. It’s unhurried in a way that the speedboat tours can’t be.
If you’re travelling with kids or a mixed group that includes people who aren’t obsessed with snorkeling, the Tropical Catamaran is the safe bet. Same great stops, more beach time, less pressure.
And if you’ve already done the boat tours — or if you’re the kind of person who wants to come back from St Maarten with a story nobody else has — book Under SXM. I promise you’ve never seen anything like it.
Creole Rock is the one I always mention first. It’s right here in Grand Case Bay, a five-minute boat ride from shore, and it’s been my backyard for 25 years. A volcanic rock formation completely surrounded by reef — parrotfish, angelfish, sea turtles passing through, visibility that makes you forget you’re still in the Caribbean. Every serious snorkeling tour stops here. For good reason.
Tintamarre Island is different. It’s uninhabited, protected, part of the French marine reserve — and the sea turtles there graze in the seagrass like they’ve never heard of tourists. The water is calm, shallow in places, and so clear you can see the bottom from the boat. If you snorkel one place in St Maarten, make it Tintamarre.
Pinel Island is more beach than reef, but the snorkeling around the rocky edges is worth it — and the iguanas on shore are a bonus nobody expects.
Little Bay is where Under SXM lives now. The water there has always been calm and clear. Now it has 300 sculptures on the floor. It’s a different kind of snorkeling — quieter, slower, more like wandering through a gallery than chasing fish.
And Happy Bay, on the French side — small, almost always empty, with a reef that rewards the curious.
Book early. Not “a few days before” early — weeks before, especially between December and April. The good tours fill up fast and the best ones sell out months in advance. I’ve seen people arrive on the island with no options left. Don’t be that person.
Go in the morning. The water is calmer, the light is better, and you’ll be back on the beach by mid-afternoon with the whole day still ahead of you. Afternoon tours exist but the sea can get choppy after lunch, especially on the north side.
Bring a waterproof case for your phone. Not because you need to document everything — but because what you’ll see underwater deserves to be remembered.
Don’t skip the reef tax. Some tours mention a small marine reserve fee on the French side. It’s a few dollars. It goes directly to protecting Creole Rock and Tintamarre. Pay it without thinking twice.
And one last thing — if the captain tells you the turtles are there, trust him and get in the water. I’ve watched people hesitate on the boat while a sea turtle grazed three meters below them. That’s not a mistake you want to make.
It depends on what you're looking for. Captain Bob is the island's #1 ranked excursion for over 10 years — full day, five stops, turtles, reef, lunch included. If you want a catamaran with better food and a premium open bar, Boomerang is the answer. For something completely unique, Under SXM's underwater sculpture park is in a category of its own. All five tours on this page are ones I'd recommend without hesitation.
This is the most asked question on the island right now. Captain Bob is a speedboat — faster, more stops, more energy, perfect if it's your first time and you want to see everything. Boomerang is a 54-foot power catamaran — more space, more comfort, better food, a more social vibe. Same key spots (Tintamarre, Creole Rock, Pinel), completely different experience. If you travel with a group or want to lounge between snorkeling stops, go Boomerang. If you want to cover maximum ground in one day, go Captain Bob.
Creole Rock, right in Grand Case Bay on the French side, is the most consistent spot on the island — volcanic rock formation, coral reef, parrotfish, angelfish, turtles passing through. Tintamarre Island is the most spectacular — uninhabited, protected marine reserve, sea turtles in the seagrass. Little Bay is where the Under SXM sculpture park lives — calm, clear water and 300 reef sculptures on the floor. All three are accessible only by boat.
Yes — but the best spots are only reachable by boat. From the beach, Divi Little Bay offers decent snorkeling close to shore, and the rocky edges around Pinel Island are worth exploring if you're already there. For Creole Rock, Tintamarre, or Under SXM, you need a boat. The good news is that every tour on this page includes snorkel gear.
Under SXM is St Maarten's underwater sculpture park — 300 life-cast sculptures sitting on the floor of Little Bay at 5 meters depth, already colonized by coral and fish. It won Caribbean's New Attraction of the Year in 2025. The tour is guided by the people who built the park themselves. It's a 2-hour experience, not a full-day tour — completely different from everything else on this page, and unlike anything else in the Caribbean. If you've already done the boat tours, or if you want to come back from St Maarten with a story nobody else has, yes — it's absolutely worth it.
No. Every tour on this page provides life vests, noodles, and flotation devices. Basic comfort in open water is enough. If you're nervous, mention it to the crew before you get in — they've seen it before and they'll make sure you feel safe. The snorkeling spots we recommend (Tintamarre, Creole Rock) are calm and shallow enough for beginners.
It's not legally required on the Dutch side, but it is strongly encouraged — and on the French side, inside the marine reserve, it's the responsible choice. Regular sunscreen contains chemicals that damage coral reefs. Creole Rock and Tintamarre are protected ecosystems. Bring reef-safe sunscreen. One human touch is enough to kill coral — the same logic applies to what washes off your skin in the water.
Yes — most tours are family-friendly and provide snorkel gear in all sizes. Boomerang and Eagle Tours' Tropical Catamaran are particularly good for families with children — more space, calmer pace, easy in-out access to the water. Captain Bob works well too and has taken thousands of families. Just make sure the kids understand the basics — no touching the turtles, no touching the coral.
The water is good year-round — that's one of St Maarten's advantages. High season (December to April) offers the best sea conditions, clearest visibility, and most reliable weather. Summer months see more marine activity, including nesting sea turtles on the beaches at night. The shoulder season (May–June) is underrated — fewer tourists, good water, and the tours still run daily.
Absolutely — some of the best snorkeling on the island is on the French side. Creole Rock in Grand Case Bay is right here, and it's the most biodiverse reef on the island. Eagle Tours runs a full-day sailing catamaran that snorkels both Creole Rock and Tintamarre, with lunch in Grand Case. If you're staying in Orient Bay, Grand Case, or Anse Marcel, you don't need to drive to the Dutch side to find a great tour.
Reef-safe sunscreen, a waterproof case for your phone, a towel, and cash for tips — the crews on these tours earn them. Everything else is provided : snorkel gear, fins, life vests, food, drinks. If you're doing the Anguilla day trip, bring your passport. And one piece of advice from someone who's watched people regret it : bring an underwater camera, or at least a waterproof phone case. What you'll see at Tintamarre deserves to be remembered.
🌊 Looking for more adventures?
→ See all things to do in St Maarten
→ Day trips to Anguilla from St Maarten
I've lived in St Martin for 25 years — and I'm an epicurean at heart, in love with my island. I've been giving out insider tips for almost 15 years.
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