Private Fast Power Catamaran. Full or Half Day for Beach Hopping, Snorkel & Swim

A private boat lets you trade the fixed schedule for your own version of a Virgin Islands day. From American Yacht Harbor in Red Hook, MV Poseidon can carry your group toward turtle-filled bays, quiet beaches, coral reefs, and beach bars, with a captain adjusting the plan as the day unfolds.

I like two things right away: the private boat for up to 12 people keeps you away from a crowded group cruise, and the 36-foot TwinVee has the speed to cover ground without giving up much comfort. I also like that snorkeling gear, water, soda, beer, ice, park fees, and mooring permits are included.

The main catch is cost. The $895.50 boat rate is appealing for a full group, but fuel and the recommended tip add to the final bill. Also, the many beaches shown in the sample route are spread across the islands, so you will not see all eight in one half-day or even one full day.

Quick reasons to consider this charter

• Private MV Poseidon charter: Your group has the entire 36-foot TwinVee, with room for as many as 12 people.
• Captain-led custom route: Captains such as Holly, Amanda, Wallens, Aaron, Bryan, Mike, and Glen can shape the day around swimming, snorkeling, beaches, or lunch.
• Turtle snorkeling: Maho Bay and other St. John locations can offer sea turtles, tropical fish, coral, stingrays, starfish, octopus, and occasional larger marine life.
• Beach access by low-draft boat: The boat can approach close to shore, making stops at beaches and waterfront bars easier.
• Extras included: Snorkel equipment, bottled water, soda, beer, ice, U.S. park fees, and mooring permits are covered.
• Fuel is extra: Plan on roughly $120 to $200 for a half day or $240 to $360 for a full day at the stated $8 per gallon rate.

Why a private power cat works well in St. Thomas

The Virgin Islands are scattered across bright water, with St. Thomas, St. John, Water Island, and nearby cays offering different kinds of shore time. A boat is the practical way to connect them, especially if your group wants more than one beach without spending the day repeating taxi rides and ferry schedules.

MV Poseidon is a power catamaran rather than a slow sailing cat. Its twin hulls are built for stability, and its engines make it easier to reach St. John or several bays around St. Thomas during a single outing. You still feel the motion of the sea, of course, but the wide catamaran design gives you a more settled ride than a narrow powerboat can provide.

The boat can take up to 12 people. That capacity makes the price much easier to justify for a family reunion, wedding group, cruise-party group, or several couples traveling together. For only two or four people, the same boat may feel extravagant unless privacy and flexibility matter more to you than keeping costs low.

Your captain begins with a safety briefing and then asks what you want from the day. That simple conversation matters. Some groups want three snorkel stops. Others want one swim, a quiet beach, and lunch with music playing on the ride. The best use of this charter is to arrive with priorities rather than a rigid checklist.

Starting at American Yacht Harbor in Red Hook

The meeting point is American Yacht Harbor on Smith Bay Road in Red Hook, St. Thomas. The trip ends at the same place, and confirmation is sent within 48 hours of booking, subject to availability.

Plan to arrive about 15 minutes early. One group lost part of its half-day outing after arriving late, and the extra time is useful for paperwork and getting settled before the boat leaves. This is a mobile-ticket experience, and service animals are allowed. It is also near public transportation, and the operator states that most people can participate.

The boat carries water, soda, beer, ice, and a Fusion stereo. You can bring a relaxed island mood, but remember that the captain still controls the boat, route, and safety decisions. The music is part of the fun, not a substitute for paying attention to instructions around the water.

Water Island and Little Buck Island

Water Island is one of the natural choices for a short opening stop. It is close to St. Thomas and can work well when your group wants a gentle start, a swim, or a look at the shoreline before committing to a longer run.

Little Buck Island offers another option for clear water and snorkeling. The listed stop time is about 30 minutes, but the captain may adjust the length according to sea conditions and your group’s interests. A half-hour is enough for a quick look beneath the surface, but not enough for a slow snorkel, a long swim, and a beach visit all at once.

This is where you should decide what matters most. If everyone wants to snorkel, avoid using too much of the day on short scenic pauses. If some people prefer to stay aboard while others swim, a flexible stop can keep the whole group happy.

Secret Harbour for a sheltered swim

Secret Harbour is a useful stop for a group that wants a manageable swim and a change from the open ride. The bay gives your captain another location to consider when conditions elsewhere are less comfortable.

Water and wind can change the feel of a boat day. One full-day group dealt with rough seas but still had a good outing because Captain Aaron adjusted to the conditions and the needs of the group. That is an important strength of a private charter, but it also means your route is not guaranteed.

You may find that the captain drops one planned stop to give you more comfortable time at another. That is not a failure of the trip. It is the sensible way to handle changing water conditions.

Honeymoon Beach and the value of easy shore access

Honeymoon Beach is a strong choice for mixed-age groups. The low draft and transom ladder allow MV Poseidon to get close to shore, so you can step off near the beach rather than face a long swim or a complicated transfer.

That detail is especially useful with young children or anyone who is not confident in open water. One family used the beach access so a toddler could play on shore while the rest of the group enjoyed the water.

The stop can also suit people who want a break from snorkeling. A private boat day does not need to mean everyone is in the sea at every moment. You can split your time between swimming, sitting aboard, walking on the beach, or buying a drink at a nearby bar, depending on the day’s route and shore access.

Trunk Bay and the choice to visit St. John

Trunk Bay is one of the better-known beach stops in the St. John area. Its name brings expectations, but a short charter stop cannot provide a full beach day. If Trunk Bay is a priority, tell the captain early so the route can be built around it.

A St. John snorkeling plan can be excellent for families and first-time snorkelers. One half-day group with three children ages five and seven visited three beaches and saw turtles and many kinds of fish. Another family described the underwater setting as similar to an aquarium after snorkeling around St. John.

The practical point is time. Reaching St. John, entering a bay, fitting masks, snorkeling, climbing back aboard, and moving to another location all use the clock. A full day gives you more breathing room. A half day can still work well, but you need to choose fewer stops.

Scott Bay and Maho Bay for wildlife

Scott Bay is another possible beach and snorkeling stop. It may appeal to you if your main goal is quiet water and time in the sea rather than a famous beach name.

Maho Bay is especially attractive for turtle watching. Several outings included sea turtles there, and families appreciated that even cautious swimmers could get into the water. You might also see tropical fish, stingrays, starfish, coral, or an octopus. One family happened to see a lemon shark as well, but marine life is wild and cannot be promised.

Keep your expectations sensible. One group saw turtles but fewer colorful fish than hoped for. Fish move away from noise and splashing, and visibility changes with weather, current, and water conditions. The included new snorkel equipment is convenient, but equipment alone cannot guarantee a perfect underwater scene.

Magens Bay and making sensible route choices

Magens Bay is a classic St. Thomas stop and a fine choice for a scenic beach visit. Its inclusion in the sample route shows the range of places the boat can reach, not a promise that you will visit it along with every other listed location.

The same rule applies to all eight named stops: Water Island, Little Buck Island, Secret Harbour, Honeymoon Beach, Trunk Bay, Scott Bay, Maho Bay, and Magens Bay. They sit across a broad area, and a realistic full-day plan will normally involve a smaller selection. One full-day outing reached only three locations because rough water slowed the route.

I would choose two or three priorities before departure. For example:

• Turtle snorkeling and one St. John beach
• Two snorkel bays and lunch ashore
• A beach stop, a swim, and a waterfront drink
• Scenic cruising with less time in the water

This approach gives your captain room to build a good day instead of racing from one waypoint to the next.

Captains who shape the experience

The boat matters, but the captain can make or break a private charter. The strongest reports consistently point to captains who explain the islands, read the group, and take safety seriously.

Captain Holly is praised for her island knowledge, friendly energy, and patience with a five-year-old. Captain Amanda is described as well informed about island geography, history, and sea life while keeping safety at the front of the day. Captain Wallens is a popular choice for families who want a calm, social host and good snorkel locations.

Captain Aaron has been adaptable in rough water. Captain Bryan has helped families with young children snorkel several beaches. Captains Glen, Mike, Kyle, Hillary, and Valley have also led memorable outings, from turtle encounters and octopus sightings to helping nervous swimmers feel more comfortable.

You cannot select a particular captain from the information provided, so ask the operator when booking if that matters to you. The captain will also have the final word on safe anchoring spots and shore access.

What is included, and what the $895.50 price really means

The advertised rate is $895.50 for the entire boat, not per person, with up to 12 people aboard. At full capacity, that works out to about $74.63 per person before fuel and tip. That is a strong group value for a private boat with a captain and supplies.

For six people, the base cost is about $149.25 each. For four people, it is about $223.88 each. At that point, you are paying for privacy, control of the schedule, and a larger, more comfortable boat rather than simply buying transportation.

Included items are:

• Snorkeling equipment
• Bottled water
• Soda
• Beer
• Ice
• Captain
• U.S. park fees
• Mooring permits

Fuel is charged separately at $8 per gallon. The stated average is 15 to 25 gallons for a half day, or 30 to 45 gallons for a full day. That means adding about $120 to $200 for a half day and $240 to $360 for a full day.

A 15 to 20 percent tip is recommended and is not included. It is wise to calculate the total before booking, especially if your group is small. You also need to pay separately for any food or drinks bought ashore. Visiting the British Virgin Islands is not part of this trip, though it can be booked under a separate product.

Half day or full day?

The half-day option lasts about four hours. It works well for families with younger children, cruise passengers with limited time, or anyone who wants a taste of boat life without spending the whole day under the sun.

Four hours can hold a satisfying plan: one or two snorkel stops, a beach, and some cruising. It becomes tight if you want St. John, several beaches, lunch, and long swims. Arriving late makes the problem worse, so protect every minute.

The full-day option runs about seven hours. I prefer it for groups that want St. John, several water stops, and time to relax instead of watching the clock. It also gives the captain more room to adjust if wind or waves make the first plan impractical.

Do not book a full day simply because the boat can travel quickly. Book it because you want a slower pace and more time at each stop.

Who will get the most from MV Poseidon?

This charter fits you best if you are traveling with a group and want control over the day. Families benefit from the private setting, the captain’s ability to adjust the route, and the boat’s close beach access.

It also suits confident snorkelers, couples traveling with friends, and anyone who prefers a smaller personal setting to a boat carrying 30 or more people. The music, drinks, and beach-bar options add a social side without forcing you into a party cruise.

You may want another option if your budget is tight, your group has only two people, or you need a guaranteed visit to a particular beach. The route changes with conditions, and the fuel charge can make the final price higher than the headline figure.

The charter is also not a good fit if you expect all eight listed beaches in one day. Think of those places as a menu. Your captain will help you pick the best meal for the weather and your group.

Booking, weather, and cancellation details

Free cancellation is available if you cancel at least 24 hours before the start time. Changes made less than 24 hours in advance are not accepted, and the amount paid is not refunded for a late cancellation.

The trip requires good weather. If poor weather causes the operator to cancel, you can choose another date or receive a full refund. The operator recommends booking ahead, and this experience averages about 33 days booked in advance, so last-minute availability may be limited.

Should you book this private St. Thomas boat tour?

Book it if you have at least six people, care about privacy, and want a captain to build the day around your group. The combination of speed, a stable catamaran, turtle snorkeling, easy beach access, and included drinks makes this a strong choice for a special day in St. Thomas.

For a half day, keep the route focused. Choose turtle snorkeling plus one beach, or two snorkel spots with lunch. For a full day, add St. John and allow time to linger.

I would skip it if you are traveling as a very small group and only want a quick beach transfer. The extra fuel and tip can push the cost high. But for a family or friend group ready to split the bill, MV Poseidon offers something a shared cruise cannot: your own boat, your own priorities, and the freedom to change plans when the islands show you a better option.

FAQ

How many people can ride on MV Poseidon?

MV Poseidon accommodates up to 12 people, and the $895.50 price is for the entire boat rather than an individual ticket.

How long does the private charter last?

The experience lasts about four to seven hours. The half-day option is about four hours, while the full-day option is about seven hours.

Is snorkeling equipment included?

Yes. Snorkeling equipment is included, along with bottled water, soda, beer, ice, U.S. park fees, and mooring permits.

Is fuel included in the advertised price?

No. Fuel is billed separately at $8 per gallon. The average use is 15 to 25 gallons for a half day and 30 to 45 gallons for a full day.

Can the charter visit the British Virgin Islands?

Not as part of this booking. A visit to the British Virgin Islands can be arranged under a separate product.

Where does the boat depart and return?

The charter departs from American Yacht Harbor at 84GX+24H, Smith Bay Road, Red Hook, St. Thomas, and returns to the same meeting point.