Operator sites page with reserve, mooring and coral-structure detail.
Mayotte's famous S-shaped boat pass with coral life.
Mayotte's famous S-shaped boat pass with coral life.
Passe en S #3 is one of Mayotte's signature boat dives: a long, S-shaped reef pass with a pronounced drop-off that rewards controlled drifts more than casual sightseeing. The site is best for experienced teams who want coral structure, moving water and open-water wildlife, with groupers, barracuda and occasional sharks appearing when conditions line up.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
20m - 55m
Depth Note
The dive drops from 20 m to 55 m and connects to Merou Palace.
Best Season
Breeding season for groupers.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Stay within drift-diving limits, keep the profile conservative, and follow the boat brief on anchoring, spacing and turn pressure.
Access Restrictions
Boat access is the norm, so local operator timing and current planning matter more than a casual walk-in.
Legal Notes
Managed reserve rules and operator briefings apply.
Community notes to help plan your visit.
Scuba Diving
Best for drifts and planned boat dives, with coral slopes, open water space and a route that rewards tidy buoyancy and spacing.
Freediving
The exact #3 drop-off is primarily a scuba-style boat dive; freediving is not the practical use-case here.
Snorkeling
Snorkeling is not the main draw; the site's value is the pass and drop-off below the surface.
Species commonly reported at this site, with direct links into their wildlife guides.
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
Operator sites page with reserve, mooring and coral-structure detail.
Official tourism article with pass overview, access and current context.
Destination guide with visibility, current and marine-life baselines for Mayotte.
Know this site? Improve Spot Details.

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