Your day on water, powered by privacy. This private St Thomas charter on a 32-foot power catamaran is built for easy cruising, with a wide, stable, shaded deck and time in the water for snorkeling with turtles.

I like how much control you get. It is just your group and the captain, and you can build your own mix of beach stops, reef time, and chill floating. One possible drawback to plan around: the experience needs good weather, and you should be comfortable with moderate activity level for getting in and out of the water.

Key points to know before you go

• A 32-foot power catamaran keeps things stable and gives you a lot of shade, about two-thirds of the deck
• Snorkel and turtle time in warm, clear water, guided by a captain who knows where to take you
• Secluded beach hopping so you are not stuck watching crowds from the dock
• Captain-led pacing with history and landmarks, plus a 2000-watt stereo for a fun, relaxed vibe
• Full day can include lunch, with the captain helping you choose what fits your day

A 32-foot power catamaran that actually feels comfortable in St Thomas

This is not a cramped boat day. You are on a 32-foot power catamaran, wide enough for comfort at stops, and stable enough that the whole day feels smooth rather than bouncy.

What I really like is the shade situation. The boat has a lot of roof cover, about two-thirds of the deck is shaded. That matters in the US Virgin Islands sun, especially when you are waiting for a snorkel chance or just want to sit with a cold drink and take the scenery in.

Also, the captain can steer you toward the right mix of sights and water time. In one trip, Captain Mike showed up with a flexible plan that adapted when snorkeling spots changed due to weather, and the switch still led to great wildlife. That is a big deal when you want your day to feel intentional, not random.

Sapphire Beach Marina to your private day, with your group calling the shots

You start at Sapphire Beach Marina, 6720 Smith Bay Rd, Smith Bay, St Thomas 00802, USVI. The activity ends back at that same meeting point, so you are not dealing with a complicated return.

This is a private charter, meaning only your group goes out, with the captain (and a mate for larger groups). You call the shots on your itinerary, but the captain can guide you if you want suggestions. In practice, that gives you the best of both worlds: choice, plus local know-how.

If you are staying around the Sapphire area, one traveler noted the ease of booking directly out of the marina. That is a real value point, because it reduces the time you spend commuting and increases the time you spend on the water.

Cruising the National Park coastline: what you get between swims

Even before you hit the snorkel spots, the cruise portion is part of the experience. Expect a comfortable cruise where the captain points out landmarks and gives some historical context for what you are seeing.

This matters because catamaran cruising is not only about Instagram views. It helps you understand where you are, what you are looking at, and why the waters and coves are the way they are. You get to enjoy the geography without feeling like you are stuck in a lecture.

The boat also has an awesome sound system. They describe it as a 2000-watt stereo setup, and the vibe is more like a day with friends than a rigid tour. You can still hear instructions clearly, but you are not stuck in silence while waiting for the next stop.

Snorkeling on coral reefs: what to expect in the water

The headline here is reef snorkeling with real color and life. The charter includes snorkeling equipment, plus bottled water and ice from the boat’s built-in coolers. So you are not trying to juggle gear rentals or carry your own cooler.

Snorkel time is guided, and the captain takes you to some of the most beautiful coral reef areas around St Thomas. What I like is that you are not treated like a passenger passing through a checklist. You are taken to the best spots available for the day.

You may also get unexpected wildlife if conditions call for a change. One group got nurse shark sightings after their snorkeling plan had to shift due to weather. That is the kind of bonus moment that happens when you have a local captain watching conditions in real time.

A practical note: in-water time can add up. If you have limited comfort with swimming or stepping into the water, tell the captain early. The day is private, so they can often shape it to fit your comfort level.

Turtle swims in warm, clear water: the moment most people remember

The turtle component is why many people book. The charter specifically includes time to swim with turtles in crystal clear, warm water, with shades of blue that make the whole scene feel unreal.

This is also where the captain’s role becomes more important than it sounds on paper. Finding and timing turtle encounters takes local knowledge and good water conditions. The guide also helps you get into the water in a smooth, safe way so you are not rushing or worrying about where to go.

If you want the best odds of a relaxing turtle swim, plan to arrive ready to enjoy the water slowly. The goal is not to race from spot to spot. It is to have enough time in each place to settle, look around, and enjoy the animals as they show up.

Secluded beaches and beach hopping: why coves matter

Between snorkeling moments, you get beach time and beach hopping. The charter is set up for moving from one beautiful beach to another, including secluded options.

That matters because secluded coves usually mean less crowd pressure and more time to actually hang out. You can float on noodles in warm water, relax, and listen to music. It is the kind of pacing that works well for mixed-age groups, from kids to adults, because not everyone has to be in the water at the same time.

One detail I love from the experience style here is the variety. You can treat the day like an active reef day, or like a calm beach day with a snorkel break. Since it is private, you can choose a tone that matches your group.

Full day charter details: lunch and how to keep the pace easy

The charter can be full day or half day. The full-day option adds more time, and the company notes that they can plan a lunch stop. The captain can help with lunch options based on your preferences.

In one birthday outing, lunch at Lovongo was part of the day, which shows that the lunch stop can be both practical and memorable. If your group is celebrating, tell the captain ahead of time so they can build the timing around it.

If you are doing a half day, you lose the luxury of extra stops, so you should decide what matters most: more reef time, more beach time, or more cruising views. If you are not sure, let the captain recommend a balanced path for the shorter window.

On-board comfort: shade, seating, coolers, and music

This boat is designed for comfort in the heat. The shaded deck helps a lot when you are not in the water. There is also plenty of seating in the sun, so you can choose where you want to be without feeling like you only get one option.

Included refreshments are straightforward but useful. You get bottled water, and ice in built-in coolers. That means you can stay hydrated without paying for drinks at every stop.

The sound system is a real part of the experience. A 2000-watt stereo setup means you can keep the day lively, especially for families or groups with teenagers. In one example, a family with teenage boys said the trip kept them entertained all day, which tells me the onboard vibe is not an afterthought.

One more practical touch: this is a mobile ticket. That reduces paper fuss and makes it easier to stay organized on vacation.

Price and value for up to 10 people

Price is $1,050 per group, up to 10 people. That is a group rate, so your per-person value depends on how many people you bring.

Here is the simple math:

• If you fill it with 10 people, it works out to about $105 per person.
• If you go as a small family of 4, it is about $262.50 per person.
• If it is a couple, it becomes about $525 per person.

So when is it a value? It is usually a great deal for family groups and small circles of friends. It can also make sense for couples who want a truly private day with a captain shaping the itinerary. What you are paying for is not only a boat ride, it is privacy, flexibility, and time in the water without competing with other groups.

Also, note what is not included. Fuel is not included, and lunch is not included on the base price. Alcohol is not included either, though they say they can get it for an added charge. Plan for those items so you do not get surprised by total day cost.

Who this private charter suits best (and who might think twice)

This is a strong match if you want:

• A private day for up to 10 people, with a captain guiding where to go
• Snorkeling plus turtles without hassle from rentals or transfers
• Secluded beach time and a relaxed pace for mixed interests
• A boat with serious shade so the day feels comfortable

It is less ideal if:

• Your group wants a super structured, fixed itinerary with no captain input
• Everyone in the group is highly price-focused and would rather split costs on a larger public tour
• You do not have a moderate physical fitness level, since the tour includes swimming and getting in and out of the water

Weather changes: how the day stays good when the sea has ideas

This experience requires good weather. That is not just fine print. In island conditions, weather can change quickly, which can affect snorkeling visibility and the best nearby spots.

What I like is how the captain approach appears to work in practice. One group described how weather pushed them to switch snorkeling locations and that choice still produced nurse shark sightings. That tells me the captain is not locked into one plan no matter what. You will get a day that tries to maximize the best conditions available.

If you are flexible with your expectations and ready to adapt, you will likely have a smoother experience. If you need one exact underwater location no matter what, you might feel frustrated if conditions force changes.

Should you book Shades of Blue for a private catamaran day?

Book it if you want a private, captain-led day that mixes reef snorkeling, turtle time, and beach hopping on a stable boat with serious shade. The format is ideal for families, friend groups, and anyone who wants the island experience without sharing the day with strangers.

Hold off or consider alternatives if your group is very small and you are trying to keep cost per person low, since the rate is per group. Also, plan to be comfortable with moderate activity, because the best parts happen in the water.

If you like the idea of a day where the captain can adjust on the fly and keep things fun, this charter has the right ingredients: flexible itinerary, included snorkeling gear, coolers with water and ice, and a comfortable boat that lets you actually enjoy the downtime between swims.

FAQ

How long is the private catamaran charter in St Thomas?

The charter duration is listed as about 6 hours 30 minutes, and it can be booked as a full-day or half-day private outing.

How much does the private charter cost?

The price is $1,050 per group, up to 10 people.

What is included during the trip?

Included are snorkeling equipment, bottled water, ice in built-in coolers, and the captain. A mate is included for larger groups.

Where do we meet for the tour?

The meeting point is Sapphire Beach Marina, 6720 Smith Bay Rd, Smith Bay, St Thomas 00802, USVI.

Is this tour private?

Yes. It is a private tour/activity, and only your group participates.

What should we know about weather and cancellations?

The experience requires good weather. If it is canceled due to poor weather, you will be offered a different date or a full refund. Free cancellation is available up to 24 hours in advance for a full refund.