divehappy.com · Season Guide
Seasonal closure and best-time planning.
Dive Spot Guide•
Beacon Bay
Beacon Bay reef slope with the Atlantis X wreck.
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Boat dive in the Similans with a shallow-to-deeper reef profile, hard coral coverage, and a wreck highlight; good for a slow guided swim and easy to schedule in season.
About Beacon Bay
Beacon Bay is a popular Similan Islands dive site on a sloping reef that starts shallow and drops into deeper water, with hard corals, reef fish, and the Atlantis X liveaboard wreck resting on the slope. It is a boat dive that works well for beginner-friendly day or night profiles, with mild to moderate current, good visibility, and a route that rewards a slow, planned swim along the reef in season.
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Where Is Beacon Bay?
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Community sourced coordinates.
Beacon Bay Planning Details
Depth range, seasonality, and planning context.
Reported Depth
5m - 35m
Depth Note
Sloping reef from 5 m down to 35 m+.
Best Season
Mid-October through mid-May, with the calmest conditions usually December to April.
Typical Conditions
Generally good visibility with mild to moderate currents.
Safety & Access At Beacon Bay
Hazards, restrictions, and access requirements.
Safety Notes
Plan depth and gas for the deeper portions of the slope and be prepared for mild to moderate current, especially on night dives.
Access Restrictions
Boat access only; the park is closed outside the Similan diving season.
Legal Notes
The Similan Islands National Park is a protected marine area with seasonal closure dates and park rules.
Local Intel For Beacon Bay
Community notes to help plan your visit.
Scuba Diving
A sloping reef dive featuring a wreck on the reef slope, suitable for all levels based on mild to moderate currents and generally good visibility.
Freediving
Freediving is mostly limited to the shallow reef edge; the wreck and lower slope are better suited to scuba.
Snorkeling
Snorkeling works on the shallow edge in calm conditions, but the main reef slope and wreck are scuba territory.
Recent Logged Visits At Beacon Bay
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Beacon Bay
Average conditions based on logged dives & visits.
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