Reserve rules and biodiversity context for the Passe en S protected site.
Shallow S-pass reef-block buoy site with bright coral and mild current.
Shallow S-pass reef-block buoy site with bright coral and mild current.
Passe en S #1 is a buoy-marked reef-block site in Mayotte's S pass, with a shallow, sheltered feel and bright coral between the blocks. It is one of the easier lagoon-style sites in the area, with a relaxed pace, mild current, and plenty of reef life for snorkelers and divers. The site works well as an easy-water boat dive or snorkel stop, especially when you want colorful reef structure without a heavy drift profile.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
10m - 12m
Depth Note
No drop-offs here; the site weaves between big reef blocks in about 10 to 12 meters of water.
Best Season
April to November
Typical Conditions
Generally mild current over a shallow reef area with large reef blocks.
Site conditions, restrictions, and access requirements.
Site Conditions
Safety Notes
Keep buoyancy tight around the reef blocks and stay clear of boat lanes and reserve markers.
Access Restrictions
Boat access only within the S-pass marine reserve.
Legal Notes
The S pass is a protected marine reserve with specific rules; follow local guidance and avoid anchoring or fishing where prohibited.
Community notes to help plan your visit.
Scuba Diving
Suitable for an easy reef scuba dive around 10–12 m with no drop-offs.
Freediving
The shallow depth and mild current can suit calm-day freediving, though the site is best handled with a guide.
Snorkeling
This buoy site is suitable for snorkeling as well as diving, with bright coral and reef blocks just 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
Reserve rules and biodiversity context for the Passe en S protected site.
Boat-excursion and safety-briefing context for the Passe en S reserve.
Official tourism overview of Mayotte diving and the lagoon's broad appeal.
Species context for the S pass, including turtles and barracuda.
Know this site? Improve Spot Details.

Passe en S #1B is a shallow pass dive with turtles and coral.

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Mayotte's famous S-shaped boat pass with coral life.

Passe en S #5 is a boat dive over white sand and coral blocks.

White-sand Mayotte pass dive with stingrays and coral blocks.