Reviewed · ST THOMAS

Two Tank Dive

5.0 · 131 reviews From $200 Operated by Aqua Action Dive Center · Bookable on Viator
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St Thomas makes a fine setting for a two-tank boat trip, with reefs, wrecks, turtles, rays, lobsters, and plenty of tropical fish on the menu. Aqua Action Dive Center keeps the group to 12 people aboard a 32-foot island hopper, so you get a more personal outing than you would on a large party boat. I like the small group and the fact that all standard equipment, tanks, weights, and refreshments are included. The main concern is practical: trips require a minimum number to run, and one past booking ended with no trip after communication problems during an ownership change.

I also like the balance of structure and ease. You get two underwater sessions over roughly three and a half hours, with water and fresh fruit during the surface interval. The crew has earned strong praise for patient instruction, useful pointers, and a friendly manner. Still, this is for certified scuba participants, not beginners, and you must show proof of certification plus experience within the last two years.

Key points at a glance

Two Tank Dive - Key points at a glance

  • Two underwater sessions in 3.5 hours: Choose a morning or afternoon departure for a compact St Thomas outing.
  • Small boat, maximum 12 people: The 32-foot island hopper keeps the group manageable and social.
  • Reefs, wrecks, turtles, and rays: The sites offer a mix of scenery and marine life rather than one narrow type of stop.
  • Standard scuba equipment included: Tanks, weights, BCD, regulators, wetsuit, mask, fins, and snorkel are covered.
  • Secret Harbour departure: Meet at Secret Harbour Beach Resort in Estate Nazareth and return there afterward.
  • Certification is required: Bring proof of certification and evidence of scuba experience within the past two years.

What the three-and-a-half-hour trip is really like

Two Tank Dive - What the three-and-a-half-hour trip is really like

The schedule is straightforward. You meet at Secret Harbour Beach Resort, board the boat, and head out for two separate underwater sessions. The total outing lasts about three and a half hours, making it easy to fit into a St Thomas day without giving up the whole morning or afternoon.

Aqua Action uses a 32-foot island hopper with no more than 12 people aboard. That number matters. A smaller group usually means less waiting while equipment is checked and less crowding when the boat reaches a site. It also gives you a better chance to ask the crew questions or mention your comfort level before entering the water.

The exact reef and wreck locations are not fixed in the information provided. The crew selects from its range of St Thomas sites, with the aim of matching conditions and the group to the best available spots. That flexibility is useful in the Caribbean, where weather and water conditions can affect the plan.

You should expect a professional boat-based scuba outing, not a private expedition or a sightseeing cruise with a brief swim added on. The focus is underwater time. The route is built around two sessions, with a break between them to rest, hydrate, and eat fresh fruit.

More dive trips off St Thomas:

Reefs, wrecks, and Caribbean marine life

Two Tank Dive - Reefs, wrecks, and Caribbean marine life

The appeal here is variety. The trip includes access to Caribbean reefs and shipwrecks, giving you two different types of underwater scenery to look forward to. Reefs offer living formations and fish activity, while wrecks add structure, history, and places for marine life to shelter.

You might see turtles, rays, lobsters, and many kinds of tropical fish. One detailed account specifically praised encounters with fish, lobsters, rays, and other marine life, so this is a good choice if you enjoy looking closely rather than simply collecting underwater photographs.

The trip is also suited to certified participants who want a guided introduction to St Thomas waters. You are not left to choose every detail yourself. A crew member leads the outing and provides pointers along the way, which can help you settle into local conditions and notice more of what is around you.

Do keep expectations sensible. The supplied details do not promise a particular wreck, animal, visibility level, or depth. Marine life is never a guaranteed checklist, and site selection can depend on weather and sea conditions. The strength of this outing is the chance to visit good local sites with a small crew, not a promise that every person will see the same creatures.

Why the small group changes the experience

A maximum of 12 people is one of the most useful details here. You are still on a shared boat, but the group is small enough to feel organized rather than anonymous. That can be especially valuable if you have not been in the water recently or want a crew member to pay attention to your questions.

The boat is a 32-foot island hopper. It is not described as a luxury vessel, and you should not book this expecting a large sun deck or resort-style service. Its size suits a focused scuba outing, though anyone who dislikes smaller boats should consider that before booking.

The crew’s attitude is another major part of the experience. The strongest praise centers on friendly staff, patient help, and practical pointers. One account described a dive master as patient and generous with tips. That matters because good guidance can improve both comfort and awareness underwater, especially when you are adjusting to unfamiliar sites.

The social side also seems important to Aqua Action’s approach. The goal is not only safe, well-run scuba time, but a relaxed day where people get to know the crew. That does not mean the trip is designed as a party. It means you can expect a personable atmosphere rather than a strictly transactional boat ride.

Equipment included, with less to organize

The $200 price includes a broad package of standard scuba equipment:

  • Tanks
  • Weights
  • BCD
  • Regulators
  • Wetsuit
  • Mask
  • Fins
  • Snorkel

That is a meaningful convenience in St Thomas. You do not need to arrange a separate equipment rental package or haul a full kit across the island. The inclusion of the BCD and regulator is particularly useful, since those are not small extras that you can easily overlook when comparing prices.

Water and fresh fruit are also included for the surface interval. This is a modest touch, but a welcome one. Two underwater sessions require a pause, and having water available means you do not need to plan every refreshment yourself.

The price does not mention hotel pickup, meals, underwater photos, gratuities, or personal specialty equipment. Do not assume those are included. The listed meeting point is Secret Harbour Beach Resort, and the trip ends at that same location.

If you own a mask, computer, or other preferred equipment, you may want to ask Aqua Action directly about using it. The supplied details only confirm that standard equipment is provided.

A few more St Thomas days to weigh up

The value of paying $200

At $200 per person, this is not the cheapest way to spend a half-day in St Thomas. It can still be a fair value for certified scuba participants because the fee covers the boat trip, two tanks, weights, the main equipment package, crew support, water, and fruit.

The value improves if you are visiting from outside the island and would otherwise need to rent a full set of equipment. It also improves if you want a guided outing rather than arranging separate transportation, boat access, and site planning.

The small group adds value too. A 12-person limit does not guarantee a private experience, but it is a more controlled setup than a high-capacity vessel. You are paying for access to local sites, equipment, and a crew-led plan, not just transportation over the water.

I would compare the price with other two-tank trips by checking what each operator includes. A lower headline price may not cover the same gear, tanks, or group size. On the other hand, if you already own all your equipment and prefer a very private trip, the package may feel less compelling.

The main financial caution is the minimum departure requirement. The trip may be canceled if too few people book. In that case, you are offered another date or experience, or a full refund. That policy protects you financially, but it can still disrupt a tightly planned vacation.

Who should book this St Thomas outing

This experience fits certified scuba participants who want a guided morning or afternoon on the water without committing to a full day. It is especially suitable if you value a small group, included equipment, and access to both reefs and wreck sites.

It also makes sense for people who enjoy marine life. Turtles, rays, lobsters, and fish are among the creatures you might encounter, and the underwater setting offers more than a simple swim over a sandy bottom.

The trip may suit you if you are returning to scuba after a recent period of inactivity, but the rules require evidence of experience within the past two years. If you have been out of the water longer, you should contact the operator before booking rather than assume you qualify.

You also need a moderate level of physical fitness. The details do not define a medical standard or list specific restrictions, so ask Aqua Action if you have concerns about boarding, carrying equipment, or managing two sessions in one outing.

This is not the right choice for a first-ever scuba experience. Certification and recent experience are required, and the format assumes you already know basic equipment use and underwater procedures.

Meeting at Secret Harbour Beach Resort

The meeting point is Secret Harbour Beach Resort, 6280 Estate Nazareth, Nazareth, St Thomas 00802, USVI. The activity begins and ends there, which simplifies the day if you are staying nearby or can arrange your own way to the resort.

The location is near public transportation, but the supplied details do not promise hotel transfers. Plan your route carefully and allow enough time to arrive before departure. A missed meeting time is especially frustrating when the boat schedule is fixed.

The return to Secret Harbour is useful for planning. You can arrange lunch, beach time, or another activity afterward without needing to find a different drop-off point. Still, keep your afternoon or evening flexible enough to allow for normal changes caused by sea conditions or boat operations.

The booking confirmation is sent at the time of purchase. Even so, one past customer had difficulty reaching the shop after arriving for a trip that did not run. Aqua Action has since changed ownership, and that transition was linked to the communication problem. I would confirm the departure details directly before your trip, especially if your booking is close to the minimum group requirement.

Weather, cancellations, and the one real caution

This outing requires good weather. If poor weather forces a cancellation, you are offered a different date or a full refund. That is a reasonable policy for a boat-based activity, since safety and sea conditions must come first.

You can cancel for a full refund up to 24 hours before the start time. Cancellations or changes made less than 24 hours before departure are not accepted for a refund. The cut-off follows local St Thomas time, so keep that in mind if you are booking from another time zone.

The minimum-number rule deserves equal attention. If the trip does not have enough participants, Aqua Action may offer another date or experience, or return your money. I would avoid placing this outing immediately before a flight or cruise departure if a cancellation would leave you with no useful alternative.

That one poor experience should not erase the otherwise strong picture of the operation, but it is too specific to ignore. The practical fix is simple: confirm that the boat is scheduled to run, verify the meeting time, and keep written confirmation of your booking.

How the crew affects your underwater time

The most praised part of this trip is the crew. Strong feedback focuses on friendly service, patient instruction, useful pointers, and a relaxed mood. Those qualities matter more than fancy extras when you are managing equipment and concentrating on marine life.

A good dive master can help you notice small creatures, understand the site, and feel more comfortable in unfamiliar water. The crew also sets the pace for the day. The information emphasizes safety and professionalism, while still aiming for an easygoing atmosphere.

You should not expect a formal classroom session. This is a certified boat trip, so the guidance is likely to be practical and site-focused rather than a replacement for certification training. If you have concerns about your skills or equipment, raise them before leaving the dock.

The friendly tone may appeal to solo participants or couples who enjoy meeting other people. With no more than 12 aboard, the group is small enough for conversation without turning the outing into a crowded social event.

Final decision: a good fit for certified scuba participants

I would book this two-tank trip if I wanted a compact St Thomas outing with a small group, included equipment, and a good chance to see reefs, wrecks, turtles, rays, lobsters, and tropical fish. The $200 fee is reasonable when you use the supplied gear and value a crew-led plan.

I would hesitate if I needed beginner instruction, wanted a guaranteed wreck or animal sighting, or had a rigid schedule that could not absorb a weather or minimum-number cancellation. I would also confirm the booking directly because of the past communication issue during the ownership change.

For certified participants with recent experience, moderate fitness, and an interest in friendly guidance, Aqua Action offers a practical way to spend three and a half hours on the water. Bring proof of certification, allow time to reach Secret Harbour, and treat the exact sites and wildlife as pleasant possibilities rather than promises.

FAQ

Where does the two-tank scuba trip begin?

The trip begins at Secret Harbour Beach Resort, 6280 Estate Nazareth, Nazareth, St Thomas 00802, USVI.

Where does the activity end?

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

How long does the experience last?

The outing lasts approximately three hours and 30 minutes.

Is the trip available in the morning and afternoon?

Yes. You can join a morning or afternoon boat trip, subject to the operator’s schedule.

What equipment is included?

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

Do I need scuba certification?

Yes. You must provide evidence of scuba certification and diving experience within the past two years.

What happens if the weather is poor or too few people book?

If poor weather or an insufficient number of participants causes a cancellation, you are offered another date or experience, or a full refund.

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