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Christmas Point depth, visibility, and swim-through profile on Island #9.
Dive Spot Guide•
Similan island #9
Similan island #9 is a boat-access reef hub in the northern Similans.
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Use Similan island #9 for boat-based reef and boulder diving with strong marine life, current-aware channel sites, and clear seasonal timing.
About Similan island #9
Similan island #9 is the northernmost island in the main Similan cluster and a boat-based dive hub with quiet bays, channel drifts, and granite-boulder pinnacles. It is a classic Similan reef stop with hard and soft corals, sea fans, barrel sponges, and a mix of sharks, turtles, barracuda, and macro life. Seasonal timing and current choice matter most.
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Research Estimate At Similan island #9
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 20m
AccessSimple entry
CoralPristine, vibrant coral
Aquatic LifeExceptional variety
FacilitiesBasic facilities
Crowd / PopularityQuite busy
CurrentModerate current
Where Is Similan island #9?
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Community sourced coordinates.
Similan island #9 Planning Details
Depth range, seasonality, and planning context.
Reported Depth
8m - 40m
Depth Note
Around island #9, sites range from sheltered bay edges and sand channels to boulder pinnacles and swim-throughs that run to about 40 m.
Best Season
January to April within the open season.
Typical Conditions
Boat-based reef and boulder diving with clear water, current pockets, and site-by-site variation from calm bays to drift channels.
Safety & Access At Similan island #9
Hazards, restrictions, and access requirements.
Key Hazards
Strong current
Safety Notes
Some dive sites here can involve strong current, so choose the site to match the day s conditions and your experience.
Access Restrictions
The national park closes during the southwest monsoon, and some channel sites are current-heavy drift dives.
Legal Notes
The Similan National Park is open only from 15 October to 15 May, with access closed during the southwest monsoon.
Local Intel For Similan island #9
Community notes to help plan your visit.
Scuba Diving
Dives range from quiet bay sites to channel drift dives, granite-boulder pinnacles, and sweeping reefs.
Freediving
Some calmer bays can suit freediving, but the island is primarily a scuba liveaboard destination.
Snorkeling
Calmer bays and reef edges can suit snorkeling, but the island s signature sites are scuba-first.
Recent Logged Visits At Similan island #9
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Similan island #9
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility20m
Activity
No dive activity logged yet.
