Calvi dive-center article describing the Sec de la Fontaine rock, bubble fountain, and site fauna.
Le sec des congres is a deeper boat dive off Calvi.
Le sec des congres is a deeper boat dive off Calvi.
Boat access is typically arranged through Calvi dive centers.
Le sec des congres is a submerged rocky pinnacle off Calvi with a classic Mediterranean relief, a small opening that vents a slow bubble fountain, and a compact profile best handled from a boat. It is an experienced-diver site where the old conger-hole reputation has given way to capons, corbs, and crustaceans in a natural, unspoilt setting.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
22m - 40m
Depth Note
The rock descends from around -22 m to around -40 m.
Best Season
May-October
Typical Conditions
Warm-season Mediterranean diving is the standard window, with quieter shoulder months often preferred outside July and August.
Hazards, restrictions, and access requirements.
Safety Notes
Depth and buoyancy control are the main constraints; this is not a beginner site.
Access Restrictions
Boat access from Calvi-area centers is the norm, and the site is generally reserved for experienced divers.
Legal Notes
Follow local operator procedures and any marine guidance for the Calvi coast.
Community notes to help plan your visit.
Scuba Diving
A deeper rocky boat dive with ledges, a rock opening, and the signature bubble-fountain effect.
Freediving
Not a practical freedive target; the interesting profile starts well below the shallows.
Snorkeling
Not a snorkel site; the main structure is deeper and boat-based.
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
Calvi dive-center article describing the Sec de la Fontaine rock, bubble fountain, and site fauna.
Official Corsica diving guide with spring-to-autumn seasonality.
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