Local dive-center profile with current, coral, and marine-life details for Koh Usen.
Reef-and-drift dive off Sunrise Beach with boulder corals and fish.
Reef-and-drift dive off Sunrise Beach with boulder corals and fish.
Save it, log a dive, or explore nearby on the map.
Save it to come back later
Local timing and guide support are the normal setup because the current is tide-driven and park access is seasonal.
Koh Usen is a reef-and-drift dive off the Sunrise Beach side of Koh Lipe, with a sloping reef, boulder corals, gorgonian fans, and a route that changes character with the tide. It works as a calm scenic reef when the water is quiet, but the same line can become much more current-driven when the tidal flow turns on. Good buoyancy, careful timing, and a steady exit plan matter more here than raw depth.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
10m - 25m
Depth Note
The site is commonly described in the 10 to 25 m range.
Best Season
November to May
Typical Conditions
Nearshore reef drift, boulder corals, and tidal current swings that can make the site feel mild or much stronger depending on the day.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
The reef is current-sensitive. Choose the drift direction and timing that match your experience, and keep close track of your exit point.
Access Restrictions
Tidal current windows matter here; some days are mild and others much stronger, so operators time the dive to the tide and moon phase. Park access should also be checked against the seasonal closure.
Legal Notes
Tarutao National Park is generally closed during the monsoon season, so check current park dates before planning. Follow local marine-park rules when the site is open.
Community notes to help plan your visit.
Scuba Diving
A reef-and-drift dive with a shallow line and a more animated current-driven route when the tide is moving. The site rewards good buoyancy and timing.
Freediving
The shallow reef can suit freediving in calm conditions, but the site is mainly a drift-style scuba reef.
Snorkeling
The nearshore reef can work for calm-water snorkel or kayak outings, but current makes timing important.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Local dive-center profile with current, coral, and marine-life details for Koh Usen.
Official best-season guidance for Tarutao National Park.
Know this site? Improve Spot Details.

Boat reef off southwest Koh Lipe with coral walls and macro life.

Rocky Koh Krah reef with soft coral and pelagic visitors.

Very shallow shore reef for beginner dives and snorkeling.

Coral-rich Andaman dive base with boat trips.

Koh Lipe reef dive with coral patches, sandy breaks, and clear water.

Stepped rocky reef near Koh Lipe with strong macro life and coral terraces.