We track 8 dive operators in St. Lawrence River. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
Hunt's Dive Shop is a sport diving shop located in Clayton, New York. The shop sells and services a wide range of scuba equipment and provides boat diving services to explore wrecks in the St. Lawrence River.
Decostop Outdoor Centre is a retailer and service provider based in Lancaster, Ontario, offering scuba diving and paddle sports equipment. The company provides certification courses, technical diving training, equipment maintenance, and guided diving excursions in the St. Lawrence River.
Bottom Time Dive Charters has operated on the St. Lawrence River since 2004. The company provides boat charters to various dive sites and shipwrecks. They also offer equipment rentals and training services.
The 8 highest-ranked of 8. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Hunts Dive Shop | 5.0(33) | none | none | none |
Which centres run each site, named on their own websites or confirmed by the owner.


Fin lists 8 dive operators in St. Lawrence River. 0 of them run certification courses.
Operators are sorted by Fin Rank, a 100-point profile strength score: contact details, what they offer, the dive sites they run, their Google reputation, whether the owner has claimed the listing, and whether their own website links to Fin. 0 listings here are owner-verified. The formula is published in full on the Fin Rank page.
| 2 | Decostop | none | none | none | none | Visit |
| 3 | Bottom Time Dive Charters | none | none | none | none | Visit |
| 4 | Deco Stop | none | none | none | none | none |
| 5 | Dive Brockville Adventure Center | none | none | none | none | none |
| 6 | Mike and Jenny's Paddle Fit | none | none | none | none | none |
| 7 | O2ToGo Dive Centre | none | none | none | none | none |
| 8 | Save Ontario Shipwrecks | none | none | none | none | none |
