We track 5 dive operators in Opal Coast. Listings are ordered by Fin Rank: a published score for how complete and verified each listing is.
Club de plongee sous marine d'arras manages the Lac Bleu site, which is a former chalk quarry filled with water. The site offers exploration and training dives in a lake that reaches depths of 12 to 14 meters.
Aqua Dive is a sports club located in Wattignies, France, with a perfect 5-star rating from 100 reviews. They are operational and have a restroom available. Their hours suggest they are active in the evenings and on weekends.
Club des Smogglers is a sports club located in Gravelines, France, with a 4.7-star rating from 7 reviews. It is open 24 hours from Monday to Saturday and closed on Sundays. They offer wheelchair accessible parking.
Les Smoggler is a sports club located in Gravelines, France, near Petit-Fort-Philippe Beach. It has a 4.7-star rating from 7 reviews and is open 24 hours on weekdays. They have a restroom and wheelchair accessible parking.
The 5 highest-ranked of 5. How Fin Rank works
| Rank | Operator | TripAdvisor | Try dive | Agencies | Website | |
|---|---|---|---|---|---|---|
| 1 | Club de plongee sous marine d'arras | 4.9(10) | none | none | none |
Which centres run each site, named on their own websites or confirmed by the owner.

Fin lists 5 dive operators in Opal Coast. 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.
| Visit |
| 2 | Aqua Dive | 5.0(100) | none | none | none | Visit |
| 3 | Forme 4 | 4.3(54) | none | none | none | none |
| 4 | Club des Smogglers | 4.7(7) | none | none | none | none |
| 5 | Les Smoggler | 4.7(7) | none | none | none | none |