Things to do · Country Guide
French Caribbean coves, protected islets and boat-access reefs on a two-country island
Start with the experience, then find the right place for it. Conditions and access vary between destinations.
French Saint Martin offers compact guided reef diving from Grand Case toward Creole Rock and the protected northeast islets. This is not a shore-tank-unlimited destination. Trips depend on small-boat access, designated moorings and authorization from the Reserve Naturelle Nationale de Saint-Martin. Shallow areas can suit supervised introductions when conditions and the provider permit, while exposed islet sides need more experience. The Saint Martin and Sint Maarten guide also describes Dutch-side wrecks, but those are optional cross-border dives in SX waters with different rules. SeaDolphin and other regional operators advertise French-side scuba; availability, permission and actual dive sites must be reconfirmed.
Places to explore
One- and two-tank boat trips form the typical scuba day. The Dutch Man of War Shoal Marine Park documents reef sites, historic Proselyte and artificial wrecks including Carib Cargo; French reserve sites include Creole Rock and Tintamarre.
Choose Grand Case for French-side dive departures and ask the shop for its current reserve authorization, precise location and site-specific skill level. Confirm the quoted package includes tanks, weights, rental kit, guide, any operator charges and return transport. Ask about oxygen, emergency procedures, minimum boat numbers and cancellation policy. Leave a sea-state buffer day and plan the final dive-to-flight interval conservatively.
April - May (conditional compromise)
Boat entries dominate. Expect variable wind chop, exposure to northerly swell around open islets, occasional currents, reef topography and motorboat traffic. Follow local qualification thresholds. Reserve moorings and noncommercial diving restrictions apply at some sites; never assume independent entry, night diving or wreck penetration.