Reviewed · SCUBA DIVING

Two Tank Dive

5.0 · 131 reviews From $200 Operated by Aqua Action Dive Center · Bookable on Viator
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St. Thomas is at its best below the surface, where Caribbean reefs, shipwrecks, turtles, rays, lobsters, and colorful fish replace the usual beach scenery. Aqua Action Dive Center keeps this outing small, with no more than 12 people aboard a 32-foot island-hopper boat and two underwater stops packed into about three and a half hours.

I like the all-in equipment package, which saves you from hauling tanks, weights, and the rest of your kit to the islands. I also like the relaxed human scale of the trip, with water and fresh fruit during the surface break and a crew that aims to make the day feel social rather than rushed.

The main caution is practical: this is for certified divers who can show recent experience, and the boat needs a minimum number of people to operate. One past booking problem involved a trip not going out and difficulty reaching the shop, though Aqua Action attributed that issue to a change in ownership and a slow account transfer.

Key points to know before booking

Two Tank Dive - Key points to know before booking

  • Two underwater stops: You visit two reef or wreck sites during a morning or afternoon trip lasting about 3.5 hours.
  • Small boat capacity: The 32-foot island hopper carries a maximum of 12 people, keeping the group more manageable.
  • Equipment is included: Tanks, weights, BCD, regulators, wetsuit, mask, fins, and snorkel are supplied.
  • Marine life is the main draw: Turtles, rays, lobsters, and many kinds of fish are among the possible sights.
  • Certification is required: You must provide proof of certification and scuba experience within the past two years.
  • Flexible cancellation: Cancel at least 24 hours before departure for a full refund, unless you choose to keep the booking.

Two St. Thomas sites in one half-day

Two Tank Dive - Two St. Thomas sites in one half-day

The appeal here is simple: you get two separate underwater settings without giving up a full day of your vacation. The boat leaves from Secret Harbour Beach Resort in Nazareth, visits two selected reef or wreck locations, allows time at the surface, then returns to the same meeting point.

The precise sites are not listed in advance, so you should not book expecting one named wreck or a guaranteed turtle encounter. That uncertainty is normal for an ocean trip. Site choices can depend on conditions, and the selection of reefs and wrecks gives the crew room to choose suitable water for the day.

For you, the result is a better use of time than trying to arrange separate shore entries. You get boat access to sites that may be farther from shore, two chances to see marine life, and a full morning or afternoon still available for the rest of St. Thomas.

The trip lasts approximately three hours and 30 minutes. That includes the boat ride, two underwater sessions, and a surface interval. It is long enough to feel like a real outing, but short enough to fit around other plans.

More diving out of St Thomas:

What the first underwater stop can offer

Two Tank Dive - What the first underwater stop can offer

Your first stop introduces you to the day’s conditions and marine setting. The available description points to reefs and shipwrecks, so you might find coral growth, fish habitat, and the structure of a wreck, depending on the site selected.

The strongest reason to choose this outing is variety. A reef can offer open formations and fish activity, while a wreck gives you a different kind of underwater scenery, with hard surfaces that attract marine life. The tour does not promise a fixed mix of one reef and one wreck, so treat that as a possibility rather than a guarantee.

The crew’s role matters here. A dive master leads the underwater visit and can offer pointers and tips, which is useful if you are certified but have not been in the water recently. One past participant specifically praised the patience and practical advice from the dive master, along with sightings of fish, lobsters, and rays.

If you are a newer certified diver, the small group may help you feel less anonymous. The maximum of 12 people is not the same as a private charter, but it is a reasonable limit for a 32-foot boat and a guided boat trip.

The surface break with water and fresh fruit

Between the two underwater sessions, you return to the boat for a surface interval. Aqua Action provides complimentary water and fresh fruit, a small touch that makes a real difference after time in the water.

You should still bring anything you personally need for comfort, since the supplied information only promises water and fruit. The surface break is not presented as a full meal, so eat beforehand if you know you need more than a light snack.

This pause also gives you time to reset your equipment and listen to instructions for the second stop. For a certified diver, that matters more than it may sound. You can assess how you are feeling, review the next location, and avoid turning the second session into an afterthought.

The short break helps keep the day relaxed. You are not being pushed from one underwater session straight into another, though the total three-and-a-half-hour schedule still has a clear pace.

The second stop brings more variety

The second stop is your chance to see a different section of the St. Thomas underwater world. If the first location focuses on a reef, the next might offer a wreck or another reef setting, but the exact combination is not guaranteed.

The trip’s strongest marine-life possibilities include turtles, rays, lobsters, and a wide range of fish. These are possibilities, not promises, so your expectations should be set around exploring Caribbean habitat rather than checking off a particular animal.

I like the two-stop design because it spreads your chances. Water conditions, visibility, and animal activity can change from one location to the next. Two sites give you more variety than one long session at a single place.

The second stop may also suit you if you prefer guided exploration over a self-directed shore entry. You have a professional crew, boat support, and a planned route rather than needing to arrange every part yourself.

Same dock, a completely different day:

What comes with the $200 price

The listed cost is $200 per person. That is not a casual add-on price, but it covers the core equipment needed for a two-tank boat outing:

  • Tanks
  • Weights
  • BCD
  • Regulators
  • Wetsuit
  • Mask
  • Fins
  • Snorkel
  • Water
  • Fresh fruit

The value depends on what you already own and how much gear you would otherwise rent. If you are flying to St. Thomas and do not want to bring bulky equipment, the package removes much of the usual hassle. You pay one stated price instead of building the trip around separate gear charges.

If you own your own mask, fins, or wetsuit, the package may feel less valuable because those items are included regardless. Still, tanks, weights, BCD, and regulators are the harder pieces to transport, so the included kit remains useful for many visitors.

The small maximum group also supports the price. You are not booking a large sightseeing boat with a crowded deck. You are paying for a specialized outing with two underwater sessions, a dive master, boat support, and equipment.

The 32-foot boat and group size

Aqua Action uses a 32-foot island hopper boat with room for no more than 12 people. That size gives the outing a more personal feel than a high-capacity operation, while still providing space for the equipment needed for two tank trips.

A smaller boat can also make crew interaction easier. You can ask questions, hear the briefing, and get a better sense of the day’s plan without trying to find the crew in a crowd. One favorable account praised the friendly crew and the relaxed atmosphere.

The tradeoff is that a smaller boat gives you less room to spread out. If you like lots of personal space, the 12-person limit is worth noting. The supplied details do not specify seating, shade, restroom facilities, or ride comfort, so you should not assume features that are not listed.

The trip begins and ends at Secret Harbour Beach Resort, 6280 Estate Nazareth, Nazareth, St. Thomas. The location is near public transportation, which helps if you are not driving, although transportation to the meeting point is not listed as part of the price.

Certification, recent experience, and fitness

This is a certified boat trip, not an introductory lesson. Every diver must provide proof of certification and evidence of scuba experience within the past two years.

That rule is important even if you have logged many past sessions. Bring the required proof and be prepared to show that your recent experience meets the stated standard. The information does not specify which certification agencies or documents are accepted, so contacting the center before departure is sensible if your certification record is unusual or digital.

You should also have a moderate level of physical fitness. The supplied information does not describe a required swim distance or a particular medical form, so do not infer extra requirements. Still, you should be comfortable handling a boat-based water activity and wearing the supplied gear.

This outing suits certified divers who want a guided return to the water, but it may not be ideal if you have been inactive for a long time. A patient dive master can offer useful pointers, yet the trip is not described as a refresher course.

A good fit for marine life and wreck fans

The best reason to book is the chance to combine reef scenery with the possibility of wreck exploration. Turtles, rays, lobsters, and fish give the trip broad appeal, while the two-stop format keeps the underwater time varied.

You will likely appreciate this experience most if you:

  • Already hold a recognized scuba certification
  • Have dived within the past two years
  • Want a guided boat outing rather than a shore entry
  • Need most equipment supplied
  • Prefer a small group to a large boat
  • Want to keep the activity to half a day

It is less suitable if you want a guaranteed named wreck, a beginner lesson, or a full-day schedule. The exact sites are selected by the operator, and the available details do not promise any single animal, wreck, or reef.

The strongest praise attached to the trip centers on the crew. One account described the staff as friendly and the dive master as patient, while another praised the crew and the underwater sights. Those details suggest that the human side of the trip is an important part of its appeal.

What to know about reliability and weather

There is one practical issue you should not ignore. The boat needs a minimum number of people to go out, and poor weather can also cancel the trip.

If Aqua Action cancels because of weather or an unmet minimum, you are offered another date or experience, or a full refund. That policy protects your money, but it does not protect your vacation schedule. If this trip is central to your plans, avoid placing it on the final available morning in St. Thomas.

One poor account described arriving with a confirmation but finding no trip and having difficulty reaching the shop about a refund. Aqua Action responded that the operation had recently changed ownership and that transferring its account had made those bookings harder to manage. That explanation does not erase the inconvenience, so I would confirm the meeting details before departure, particularly if you booked far in advance.

Normal cancellation is free up to 24 hours before the start time. Cancellations made inside that window are not refunded, and changes made inside 24 hours are not accepted. The cut-off uses local time in St. Thomas.

Should you book Aqua Action’s two-tank trip?

Book it if you want a half-day boat outing with two underwater stops, supplied equipment, a small maximum group, and a good chance to see Caribbean fish and larger animals. The $200 price is easiest to justify if you are traveling without your own equipment or value having tanks, weights, and the main kit handled in one booking.

I would be more cautious if you need a guaranteed wreck, have not been scuba diving within the past two years, or have only one narrow window in your schedule. In those cases, confirm the shop is operating your selected trip and that your certification evidence is accepted before relying on it.

For a certified diver with flexible plans, Aqua Action offers a sensible balance of structure and free time. You get two chances to explore, a small boat, light refreshments, and a crew whose patience and friendliness have been important strengths.

FAQ

Where does the two-tank trip meet?

The trip starts at Secret Harbour Beach Resort, 6280 Estate Nazareth, Nazareth, St. Thomas, USVI.

Where does the activity end?

The activity ends back at the same meeting point at Secret Harbour Beach Resort.

How long does the boat trip last?

The trip lasts approximately three hours and 30 minutes.

Is the trip offered in the morning or afternoon?

Yes. Aqua Action offers a morning or afternoon two-tank boat trip.

How many people can join?

The boat carries a maximum of 12 people.

What equipment is included?

The price includes tanks, weights, a BCD, regulators, wetsuits, masks, fins, and snorkels.

Are food and drinks included?

Complimentary water and fresh fruit are provided during the surface interval.

Do I need scuba certification?

Yes. All participants must provide proof of certification and evidence of scuba experience within the past two years.

What happens if weather cancels the trip?

If poor weather cancels the experience, you can choose another date or receive a full refund. A full refund is also offered if the minimum number of participants is not met and the trip is canceled.

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