REVIEW · ST THOMAS

Private Luxury Power Catamaran. Enjoy USVI Aboard MV Hydra

★ 5.0 · 52 reviews Operated by Seas the Day Charters and Tours · Bookable on Viator
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A private boat day changes the pace. MV Hydra gives you seven hours on a 40-foot Gemini Freestyle power catamaran, with room for up to 12 people, a captain and crew, snorkeling gear, drinks, and time to shape the day around your group. I especially like the stable, dry ride and the chance to visit several swimming spots without sharing the boat with strangers. The main catch is that fuel costs extra, and the bill can rise by roughly $240 to $360 before gratuity.

This is a strong choice for families, birthday groups, and mixed-age parties. Captain Bryan, Captain Brian, Aaron, Coleman, Caitlyn, Hope, Gregg, Nate, James, and JW have all been praised for keeping the mood easy while helping with snorkeling and mobility needs. I also like the thoughtful design: shaded seating, bean bags, a bathroom, a stereo, and covered marine couches make this more than a basic boat transfer.

Five things to know before you book

Private Luxury Power Catamaran. Enjoy USVI Aboard MV Hydra - Five things to know before you book

  • The private boat holds up to 12 people: Your group gets the full vessel, so you can set the tone and spend more time where you want.
  • MV Hydra uses a 40-foot power catamaran: Its twin-hull design is made for speed and stability, with seating that helps keep you dry.
  • Snorkeling gear and park fees are included: You receive equipment, water, ice, soda, and beer without separate charges for those items.
  • The route can include Turtle Cove and St. John: Buck Island, Maho Bay, Honeymoon Beach, Water Island, and Brewers Bay are possible stops, depending on conditions and the captain’s plan.
  • Fuel is extra at $8 per gallon: The stated average is 30 to 45 gallons, so budget another $240 to $360 for the boat’s fuel.
  • The day begins at 9:00 a.m.: Pickup is offered, and the meeting area is in the Charlotte Amalie area of St. Thomas.

Starting in Charlotte Amalie at 9:00 a.m.

Private Luxury Power Catamaran. Enjoy USVI Aboard MV Hydra - Starting in Charlotte Amalie at 9:00 a.m.

The day begins in Charlotte Amalie, St. Thomas, with a start time of 9:00 a.m. Pickup is offered, and the area is near public transportation, which helps if your group is staying outside the immediate harbor area.

Leaving Charlotte Amalie by boat gives you a fine opening view of the historic harbor, colonial buildings, and cruise ships. You quickly trade town streets for open Caribbean water, passing Water Island on the way toward the first swimming and snorkeling areas.

The captain and crew matter here. Several people have singled out captains and assistants for being friendly, patient, and clear about the plan. Captain Bryan and Caitlyn were noted for waiting when a group was running late, while Captain Brian and JW were praised for making the day both informative and fun. That sort of flexibility is useful on a private charter, though you should still aim to arrive on time.

What the Gemini Freestyle 40 offers

The MV Hydra is a Gemini Freestyle 40 power catamaran. The twin-hull setup gives the boat a broad, steady feel, while the engines allow it to cover more ground than a slow sailing charter.

That combination matters in the Virgin Islands. You are not limited to one cove, and the boat can link several places in a seven-hour outing. At the same time, the vessel is designed for comfort, with walk-through bow seating, transom seats, custom bean bags, and large marine couches at the stern.

Shade is available, with both covered and uncovered seating. That lets you move with the sun, which is useful during a full day outside. The boat also has a bathroom and washdown areas, two small features that become important after swimming or snorkeling.

The FUSION stereo lets you play music during the ride. Bring your own sense of volume and timing, especially when other boats or quiet beaches are nearby. The goal is to enjoy your group’s soundtrack without turning a calm bay into a floating nightclub.

Buck Island and Turtle Cove

Private Luxury Power Catamaran. Enjoy USVI Aboard MV Hydra - Buck Island and Turtle Cove

Buck Island is one possible early stop. Its protected marine setting and Turtle Cove make it a natural place to use the included snorkel equipment.

The water here may offer views of coral, tropical fish, and sea turtles. The clearest reward is not the equipment itself, but the chance to enter the water soon after leaving Charlotte Amalie and get a first look at the sea life around St. Thomas.

You should treat the route as flexible rather than guaranteed. The itinerary says the boat may stop at Buck Island, and the captain will need to consider weather, sea conditions, timing, and what works best for the group.

The crew can help make this stop work for mixed abilities. One group included non-swimmers who stayed aboard while others snorkeled, allowing everyone to enjoy the outing without forcing one activity on the whole party.

St. John’s north shore, Maho Bay, and Honeymoon Beach

Private Luxury Power Catamaran. Enjoy USVI Aboard MV Hydra - St. John’s north shore, Maho Bay, and Honeymoon Beach

The charter may continue toward St. John, where the north shore offers some of the day’s prettiest water and beach settings. Maho Bay is especially appealing for a relaxed swim, and its shallow areas can be a good place to look for sea turtles grazing below the surface.

Honeymoon Beach is another possible stop. Calm water makes it suitable for swimming, snorkeling, or simply sitting close to shore. If you want a quiet beach break instead of a packed schedule, tell the captain early in the day.

The main advantage of visiting St. John by private boat is control. You do not need to wait for a group tour to finish, and you can spend more time in the water if that is what your party enjoys. The tradeoff is that the best route depends on conditions, so you should not book this expecting every named beach on the schedule.

Water Island for a slower beach break

Private Luxury Power Catamaran. Enjoy USVI Aboard MV Hydra - Water Island for a slower beach break

Honeymoon Beach on Water Island offers a different mood from a snorkeling stop. It is a secluded white-sand beach with calm water and a casual beach-bar feel.

This is a useful middle or late stop because not everyone wants to snorkel all day. Some of your group can swim or use a paddleboard, while others relax on the beach or remain aboard. One group specifically enjoyed reaching Water Island for lunch and swimming, making it a practical place to build in a longer pause.

Food is not listed as included, so plan to handle lunch costs separately. The charter includes beer, water, soda, ice, and snorkeling equipment, but not a meal.

Brewers Bay as a peaceful final stop

Private Luxury Power Catamaran. Enjoy USVI Aboard MV Hydra - Brewers Bay as a peaceful final stop

Brewers Bay, near the University of the Virgin Islands, is another possible stop and a good choice for a quieter finish. It is known for calm surroundings, snorkeling, and the chance to see sea turtles.

Ending here can work well if your group wants one more swim without the feel of a busy beach. It also gives the captain another option if conditions or timing make the earlier stops less suitable.

Again, the named places represent possible locations rather than a fixed promise. Private charters are at their best when you let the captain adjust the plan instead of treating the day like a rigid checklist.

Snorkeling, swimming, and non-swimmers

Private Luxury Power Catamaran. Enjoy USVI Aboard MV Hydra - Snorkeling, swimming, and non-swimmers

New snorkeling equipment is included, along with help from the captain and crew. The possible sites offer coral, tropical fish, and sea turtles, but wildlife sightings cannot be guaranteed.

The boat design helps people who prefer to stay dry. You can enjoy the scenery, music, drinks, and company from the shaded seating while others swim. This makes the charter more useful for a mixed group than an outing built entirely around snorkeling.

The crew has also helped people with limited mobility. Captain Gregg and Nate were praised for accommodating an 87-year-old mother, and another crew made it easier for a person with medical issues to get on and off the boat. That does not mean the vessel is fully accessible, so discuss your group’s needs before booking, but it does show a helpful attitude from the crew.

Drinks, seating, and comfort aboard MV Hydra

Private Luxury Power Catamaran. Enjoy USVI Aboard MV Hydra - Drinks, seating, and comfort aboard MV Hydra

The included refreshments are simple but well chosen for a hot day: bottled water, soda, ice, and cold beer. Alcoholic drinks are limited to beer in the stated inclusions, so do not assume cocktails or wine are part of the package.

The boat’s strongest practical feature may be the variety of seating. The bow has walk-through space, seating, and bean bags. The stern offers covered and uncovered couches, giving you places to stretch out, take shade, or watch the water.

A bathroom and washdown areas add comfort after a swim. These details do not sound exciting when you are booking, but they matter during seven hours at sea.

The real price for a private group

The advertised price is $1,595 per group for up to 12 people. At the full capacity, that works out to about $133 per person before fuel and gratuity. For six people, the base price is roughly $266 each, so the value improves sharply when you fill the boat.

Fuel is charged separately at $8 per gallon, with an average of 30 to 45 gallons. That adds about $240 to $360, making the likely total before gratuity approximately $1,835 to $1,955.

At 12 people, that brings the estimated cost to about $153 to $163 per person before the captain’s gratuity. For a private seven-hour boat day with a crew, national park fees, equipment, drinks, and several possible stops, that is a reasonable group value. For two or three people, it becomes an expensive private outing.

The captain’s gratuity is not included. Fuel is also not included, so ask how the final fuel charge is handled before departure. The crew has been praised for being transparent about pricing, which is exactly what you want when extra costs are involved.

Who will enjoy this charter most

I would choose MV Hydra for a group that values privacy and flexibility over the lowest possible price. It suits families, birthday celebrations, friend groups, and parties with both swimmers and non-swimmers.

It is also a good fit if you want several kinds of scenery in one day: Charlotte Amalie harbor, Water Island, St. John’s north shore, quiet coves, coral areas, and white-sand beaches. The power catamaran’s speed gives you a better chance of fitting several stops into seven hours.

I would think twice if your group has only one or two people, dislikes boat travel, or wants a guaranteed visit to every named location. The route is weather-dependent, and the captain must make the final call on safe and sensible stops.

Booking, weather, and cancellation details

Confirmation is provided when you book. The experience requires good weather, and a weather cancellation brings the choice of another date or a full refund.

You can cancel for a full refund up to 24 hours before the start time. Changes or cancellations made within 24 hours are not accepted for a refund, and the cut-off uses local St. Thomas time.

The activity is private, so only your own group takes part. Most people can participate, but the boat environment includes boarding, swimming areas, and movement on deck. If someone in your group has mobility or medical concerns, contact the operator before the trip and explain exactly what help is needed.

Should you book MV Hydra?

Book it if you can fill much of the 12-person capacity and want a private day that mixes snorkeling, swimming, beach time, and relaxed cruising. The best parts are the comfortable catamaran, flexible route, and attentive crew, especially for groups with different ages and abilities.

Budget honestly for fuel and gratuity, and remember that Buck Island, St. John, Water Island, and Brewers Bay are possible stops rather than guaranteed stops. If that flexibility works for you, MV Hydra offers a polished and practical way to see more of the U.S. Virgin Islands in one day.

FAQ

Where does the MV Hydra charter begin?

The excursion begins in Charlotte Amalie, St. Thomas, at 9:00 a.m. Pickup is offered, and the area is near public transportation.

How long is the boat trip?

The experience lasts about seven hours.

How many people can join the private charter?

The boat accommodates up to 12 people, and only your group participates.

Is snorkeling equipment included?

Yes. Snorkeling equipment is included in the charter price.

Are drinks included?

Yes. The inclusions list bottled water, soda, ice, and beer.

Are national park fees included?

Yes. U.S. national park fees are included.

Is fuel included in the price?

No. Fuel costs $8 per gallon, with an average use of 30 to 45 gallons.

Is a captain and crew included?

Yes. The captain and crew fee is included, but gratuity for the captain is not.

Can the charter visit the British Virgin Islands?

No. Visiting the BVI is not included.

What happens if bad weather cancels the trip?

You will be offered a different date or a full refund if poor weather causes the cancellation.

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