ST THOMAS BOAT TOUR FIELD GUIDE
Two Afternoon Dives off St. Thomas: Guided, Boat-Based Scuba in a Single Afternoon
An approximately 4-hour boat trip that visits two guided dive sites for certified divers, with options for non-divers to snorkel and for divers to arrange Nitrox certification.
Two Afternoon Dives off St. Thomas: Guided, Boat-Based Scuba in a Single Afternoon.
Adventure brief
Two Afternoon Dives off St. Thomas: Guided, Boat-Based Scuba in a Single Afternoon
Spend an afternoon on the water around St. Thomas, descending on two separate reef sites under the guidance of a certified divemaster or instructor. The outing pairs accessible guided scuba for certified divers with a snorkel option for non-diving companions, making it both a concentrated underwater exploration and a social boat trip.
Embark on an exhilarating Afternoon 2-Tank Scuba Dive with Aqua Marine Dive Center in the crystal-clear waters of St. Thomas, U.S. Virgin Islands. This private adventure offers divers of all levels a chance to explore two distinct dive sites, each revealing vibrant coral reefs, colorful marine life, and fascinating underwater landscapes. Guided by certified dive professionals, you'll receive personalized attention, ensuring safety and an enriching experience beneath the waves. Non-divers aren’t left out—they can join in the fun by snorkeling alongside the diving group, making it an ideal outing for mixed-skill groups or families. Whether you’re spotting graceful sea turtles, schools of tropical fish, or intriguing underwater formations, the serene afternoon conditions provide excellent visibility and calm seas. Remember to bring your diving certification and equipment if you have them; rental gear is also available for your convenience. This adventure pairs thrilling exploration with the laid-back beauty of the Caribbean, making it an unforgettable addition to your island visit.
Route Schematic
Itinerary — afternoon route
The boat trip visits two dive sites with guided bottom time at each stop; non-divers may snorkel from the same boat.
Boarding & briefing
Board the operator’s dive boat at Saga Haven Marina for check-in and a safety briefing before heading offshore to the first dive site.
First guided dive
Descend with a certified dive master or instructor to explore the first of two selected dive sites.
Second guided dive
After a surface interval aboard the boat, complete a second guided dive at a different nearby site.
Return to marina
Return to the dock at the end of the approximately four-hour outing.
Divers must hold certification to participate; the operator requires a minimum of three divers to run any boat trip and will reschedule or refund if that minimum is not met.
Highlights
Outing Highlights
Two guided dive sites in one afternoon
This outing visits two different dive sites, with each dive led by a certified dive master or instructor — ideal for spotting new life on successive bottom times and for divers seeking a compact, high-value afternoon in the water.
Nitrox and non-diver options
Divers can elect to pursue a Nitrox certification on this trip (pre-scheduled) and non-diving family or friends may join the same boat and snorkel with a snorkel guide, keeping groups together above and below the surface.
Simple logistics, focused diving
The format is straightforward: board the dive boat, complete briefings, and complete two guided dives in a single afternoon — an efficient way to sample St. Thomas diving without a full-day commitment.
What the day feels like
How the afternoon feels
The trip unfolds like a deliberate short expedition: a boat departure with a concise briefing, two distinct guided dives where the focus is on exploration and safety, and the option for non-divers to stay engaged from the surface. Whether it’s your first time with this operator or your fortieth, the format emphasizes guided, repeatable access to local reefs.
Suitability
Who it's for
Who this trip suits — and who should plan differently.
Practical planner
Details to review before reserving
The outing runs approximately four hours in the afternoon; plan for a brief check-in at the dock and two guided dives.
Bring your certification card, swimwear, reef-safe sun protection (no sprays), towels, customary gratuity for the boat staff, and a reusable water bottle to reduce plastic waste.
Rental gear (excluding weights and tanks) is available for an additional $20; Nitrox certification is offered for an extra $200 if pre-scheduled.
Board the Aqua Marine dive boat at Saga Haven Marina for check-in and departure.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long will the trip take?
The trip is approximately four hours in duration.
Do I need to be a certified diver?
Yes — participants must hold a diver certification to scuba dive on this outing.
Can non-divers come on the boat?
Yes — non-divers can join the same boat and snorkel with a snorkel guide while divers scuba.
What should I bring?
Bring your certification card, swimwear, reef-safe sun protection (no sprays), towels, customary gratuity, and a reusable water bottle; rental gear (excluding weights and tanks) is available for an extra $20.
Is there a minimum number of divers required to run the trip?
Yes — the operator requires a minimum of three divers to run any boat trip; if the minimum is not met you will be informed, offered a reschedule, or given a full refund.
Can I get Nitrox certified on this trip?
Nitrox certification is available on this trip for an additional fee if pre-scheduled (quoted at $200).
How this guide was prepared
This field guide is synthesized using verified supplier specifications, route descriptions, and destination data. Some booking links may generate affiliate revenue for ADV Guides.
- Verified: 2026-08-15T03:46:32.359Z
Some booking links may generate revenue for ADV Guides or The Adventure Collective.
Availability, pricing, schedules and operating details can change.
Trip details and contextual sources were reviewed by ADV Guides Editorial.