DiveJourneyDiveJourney

Jansom Bay

Type:
Scuba Diving
Entry:Unknown
Difficulty:Beginner
Tags:
Reef
About This Dive Spot

Jansom Bay is a dive site on the western side of Nan Yuan Island near Koh Tao. Its position in the island’s lee can create calmer water for diving when conditions are rough on the eastern side. The sandy areas host gobies, and the reef features healthy coral with abundant fish life. Divers may also see schools of fish, barracuda, and turtles.

Planning details
Reported depth and seasonality.

Typical conditions

Often sheltered and calm due to being in the shadow of the island, including when rougher ocean conditions affect the east side.

Where is this?
Map location of Jansom Bay
This spotNearby spots
Community sourced coordinates.
View on Dive Map
Local intel
Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

Generally described as calm when sheltered by the island, making it suitable for diving.

Dive Spot Log Averages
Average conditions based on logged dives & visits
No community dive data has been logged here yet. Be the first to record a dive and seed the averages.
Dive Conditions Planner
Current snapshot, today hourly conditions, and seven-day planning data.

Current snapshot

--
--
Right now
--🌥️Variable

Weekly trends

Marine rhythm
Surface outlook
Sign in required

Log in to view dive & visit logs

Unlock the full potential of DiveJourney.

Recent Logged VisitsRecent Dive Logs

No Dive Logs Yet

Be the first to log a dive at this spot and share your experience!

Loading nearby spots...

Frequently Asked Questions

What's the best entry point at Jansom Bay?
Entry at Jansom Bay is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.
What conditions are best for diving Jansom Bay?
Optimal conditions at Jansom Bay depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.
What is the maximum depth and typical visibility at Jansom Bay?
Depth and visibility information for Jansom Bay can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.
Are there any safety considerations or local etiquette at Jansom Bay?
When diving Jansom Bay, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.