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Official Nosy Be whale-shark tourism context.
Dive Spot Guide•
Banco Rosario
Nosy Be boat dive on a gorgonian plateau with macro life.
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Local operator required
Normal access is via local Nosy Be dive boats.
Relaxed offshore dive for Nosy Be operators, with a shallow plateau, cave structure, and seasonal whale-shark interest.
About Banco Rosario
Banco Rosario is a rocky offshore plateau on the Nosy Be dive circuit, usually run as a relaxed boat dive rather than a demanding profile. The site is known for broad gorgonian growth, mixed hard corals, a large cave, and plenty of macro subjects. Big turtles, barracuda, and seasonal whale-shark interest keep it on the standard Nosy Be itinerary.
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Research Estimate At Banco Rosario
Conservative baseline from public research. No community dives logged yet.
AccessSimple entry
CoralMixed health
Aquatic LifeGreat variety
FacilitiesBasic facilities
CurrentNo current
SurgeFlat calm
Where Is Banco Rosario?
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Community sourced coordinates.
Banco Rosario Planning Details
Depth range, seasonality, and planning context.
Reported Depth
14m - 24m
Depth Note
Published guides vary: some describe a practical max around 19 m, while others list Banco Rosario at roughly 14-24 m.
Best Season
October to December
Typical Conditions
Generally calm-water boat diving on a shallow plateau, with seasonal plankton and whale-shark interest.
Safety & Access At Banco Rosario
Hazards, restrictions, and access requirements.
Key Hazards
Low visibilityOverhead environment
Safety Notes
Keep overhead awareness in the cave and check sea state before departure.
Access Restrictions
Boat access only; plan with a Nosy Be operator.
Local Intel For Banco Rosario
Community notes to help plan your visit.
Scuba Diving
A relaxed boat dive with broad gorgonian structure, a cave, and strong macro-photo appeal.
Recent Logged Visits At Banco Rosario
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Banco Rosario
Average conditions based on logged dives & visits.
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