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Independent guide with coral, visibility, and current context.
Dive Spot Guide•
Marina Bay/Marita’s Rock
Racha Noi west-side bay dive with granite boulders and manta potential.
Local operator required
A Phuket day-boat operator is the practical way to reach Racha Noi and choose between Marina Bay and Marita's Rock based on conditions.
On Racha Noi's west side, Marina Bay combines coral slopes, granite boulders, and Marita's Rock for a classic Phuket boat dive.
About Marina Bay/Marita’s Rock
Marina Bay/Marita's Rock is a classic Racha Noi boat dive with granite boulders, coral slopes, and a detached rock that can draw bigger fish. It suits certified divers who want clear water, structure, and a realistic shot at manta rays.
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Research Estimate At Marina Bay/Marita’s Rock
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 20m
AccessModerate entry effort
CoralHealthy coral
Aquatic LifeExceptional variety
FacilitiesGood facilities
CurrentModerate current
SurgeLight surge
Where Is Marina Bay/Marita’s Rock?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Marina Bay/Marita’s Rock Planning Details
Depth range, seasonality, and planning context.
Reported Depth
4m - 26m
Depth Note
Marita's Rock is listed at 4-26m; Marina Bay itself starts around 10m and nearby pinnacles drop much deeper.
Best Season
October through April, when west-coast boats typically favor Racha Noi and the water is usually clearest.
Typical Conditions
Open-sea granite boulders, coral slopes, and a detached rock feature; current can be moderate to strong and visibility is usually good.
Safety & Access At Marina Bay/Marita’s Rock
Hazards, restrictions, and access requirements.
Key Hazards
Boat trafficStrong current
Safety Notes
Watch the current outside the bay, keep the rock line in sight, and treat the swim-throughs as a buoyancy exercise rather than a race.
Access Restrictions
Certified scuba divers are the right baseline; the outer rock is not a casual shore-snorkel site.
Legal Notes
Follow Phuket operator guidance and any marine-park instructions for the Racha islands.
Local Intel For Marina Bay/Marita’s Rock
Community notes to help plan your visit.
Scuba Diving
A classic Phuket boat dive with coral slopes, granite boulders, swim-throughs, and a realistic chance of manta or other pelagic sightings.
Freediving
Not ideal for freediving because the site is boat-accessed, current-prone, and built for scuba-style reef exploration.
Snorkeling
Not a snorkel site; the best structure and animal life sit below the surface.
Wildlife at Marina Bay/Marita’s Rock
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Marina Bay/Marita’s Rock
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Marina Bay/Marita’s Rock
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility20m
Activity
No dive activity logged yet.
