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Canyon and gorgonian landscape description.
Dive Spot Guide•
Atnam
Atnam is a far-offshore Nosy Be canyon with giant gorgonians.
Local operator required
Experienced local guidance matters because the site choice changes with tides, wind, and diver level.
Boat access from Nosy Be; expect a long canyon drop-off, tide planning, and a site that rewards experienced divers.
About Atnam
Atnam is a far-offshore Nosy Be canyon with giant gorgonians, a steep drop-off, and pelagic wildlife when the tide is right. The site is more about the landscape than dense fish life, with a plateau that rolls into a deeper wall and sandy bottom beyond. It suits experienced divers who are comfortable planning around rising-tide windows and changing visibility.
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Research Estimate At Atnam
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 20m
AccessChallenging entry effort
CoralPristine, vibrant coral
Aquatic LifeExceptional variety
FacilitiesBasic facilities
CurrentModerate current
Where Is Atnam?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Atnam Planning Details
Depth range, seasonality, and planning context.
Reported Depth
18m - 60m
Depth Note
Plateau around 18 to 20 m dropping into a canyon or wall to about 60 m, with giant gorgonians on the slope and sandy bottom beyond.
Best Season
Year-round, but especially on a rising tide and settled conditions.
Typical Conditions
Offshore canyon/drop-off with giant gorgonians, pelagic passes, and tide-sensitive planning.
Safety & Access At Atnam
Hazards, restrictions, and access requirements.
Key Hazards
Strong current
Safety Notes
The site is deep and tide-sensitive, so plan gas and ascent early. Do not overcommit once you leave the plateau.
Access Restrictions
Boat access only; plan the dive with a local Nosy Be operator because the site is far offshore and tide-sensitive.
Legal Notes
No special legal restriction surfaced in the public material; use a licensed local operator and follow marine-area etiquette.
Local Intel For Atnam
Community notes to help plan your visit.
Scuba Diving
Follow the canyon edge or stay shallow on the plateau; the site is best for experienced divers who can manage a long scenic drop.
Freediving
Not a casual freedive site; the canyon and depth profile suit experienced scuba divers.
Snorkeling
Not a snorkel spot; the useful terrain sits well below the surface.
Wildlife at Atnam
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Atnam
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Atnam
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility20m
Activity
No dive activity logged yet.
