Destination guide with dry-season timing and a 30-40 m visibility baseline for Mayotte.
Boat-accessed S-pass drift with sand channels and reef edges.
Boat-accessed S-pass drift with sand channels and reef edges.
Boat logistics and current make a local operator the normal way in.
Passe en S #8 sits on Mayotte's S-pass buoy line, where a sand channel cuts between reef edges and the route bends into a tidal drift corridor. Short boat access and a moving-water profile make it a practical local-operator dive for divers comfortable with buoyancy, current changes, and a deeper profile. Expect each buoy section to feel different as sand, reef, and flow change along the pass.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
4m - 65m
Depth Note
Shallow start with a steep drop-off into deeper water.
Best Season
June to October for drier weather and clearer water.
Typical Conditions
Tide-driven drift, sand valleys, reef edges, and a deeper profile that changes from buoy to buoy.
Site conditions, restrictions, and access requirements.
Site Conditions
Safety Notes
Plan for tidal flow, active buoyancy control, and a conservative gas reserve on the deeper part of the drift.
Access Restrictions
Boat access only; local operator and tide timing are the practical default.
Legal Notes
Treat the pass as a managed lagoon site and follow reserve and mooring rules.
Community notes to help plan your visit.
Scuba Diving
Comfort with drift, buoyancy, and profile management matters more than raw depth.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Destination guide with dry-season timing and a 30-40 m visibility baseline for Mayotte.
Local club page for exploration diving from Petite-Terre, with daily start times, all-year operations, and the Passe en S as the club’s main area.
Official tourism summary of the S-pass as Mayotte’s signature site, with boat access from Mamoudzou or Petite-Terre and current shelter from the bends.
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S-pass drift dive with coral, current, and abundant lagoon life.

South-side boat dive on Mayotte's signature pass.

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Passe en S #9 is a Mayotte pass dive with a stepped drop-off.

Intermediate boat drift through a famous coral pass.

Mayotte pass dive with clownfish and sharks.