St. Thomas Scuba Dives Ranked by Seasickness Risk

Short answer: Start with Two-Tank Dive for Certified Diving in St Thomas (Aqua Marine Dive Center); Discover Scuba Diving with No Certification in St Thomas (Aqua Marine Dive Center); Discover Scuba Diving (Aqua Action Dive Center). Their listings describe the calmest water or most stable boats. Our score is an estimate from the listing text. Updated 2026-11-02

We scored 4 scuba dives in St. Thomas from their listings. None of the 4 tours scores 2 or lower on our 1–5 seasickness risk scale. The calmest options are Two-Tank Dive for Certified Diving in St Thomas (Aqua Marine Dive Center); Discover Scuba Diving with No Certification in St Thomas (Aqua Marine Dive Center).

This score is our estimate from the listing’s description, not an operator figure. How we score.

TourSeasickness riskOperatorFrom
Two-Tank Dive for Certified Diving in St Thomas
“Estimate from activity type”
 3/5Aqua Marine Dive Center$192Check dates
Discover Scuba Diving with No Certification in St Thomas
“Estimate from activity type”
 3/5Aqua Marine Dive Center$225Check dates
Discover Scuba Diving
“Estimate from activity type”
 3/5Aqua Action Dive Center$175Check dates
CWORI Dive Center: Try Scuba Diving Experience at Coki Beach
“Estimate from activity type”
 3/5CWORI Dive Center$109Check dates

Questions

Which scuba dive in St. Thomas is best if I get seasick?

Start with Two-Tank Dive for Certified Diving in St Thomas (Aqua Marine Dive Center); Discover Scuba Diving with No Certification in St Thomas (Aqua Marine Dive Center); Discover Scuba Diving (Aqua Action Dive Center). Their listings describe the calmest water or most stable boats. Our score is an estimate from the listing text.

How up to date is this information?

We last checked these listings on 2026-11-02 and re-check every listing monthly. Operators can change their rules, so confirm before you book.

Restrictions come from each tour’s listing on GetYourGuide or Viator: the suitability notes, “Know before you go”, booking rules, and what is and isn’t included. Last checked 2026-11-02. Operators change rules, so confirm before you book.

More about scuba dives in St. Thomas

Seasickness risk: scuba dives elsewhere