Yonaguni Monument/ Underwater Ruins

Type:
Scuba Diving
Entry:βš“Boat Entry
Difficulty:Intermediate
Tags:
Artificial ReefWreck
About This Dive Spot

The Yonaguni Monument is a submerged rock formation off the coast of Yonaguni in Japan’s Ryukyu Islands. It features large stone-like structures about 50 m long and 20 m wide, and is often discussed for its archaeological significance. Depths reach around 25 m, and divers may encounter a variety of marine life around the formation.

Planning details
Reported depth and seasonality.

Reported depth

Up to 25m

Depth note

Depths reach around 25 m.

Where is this?
Map location of Yonaguni Monument/ Underwater Ruins
This spotNearby spots
Community sourced coordinates.
Local intel
Community notes to help plan your visit.

Access, coral, life, crowds, and facilities.

Aquatic Life

Divers may encounter various marine life around the site.

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
--πŸŒ₯️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 Yonaguni Monument/ Underwater Ruins?
Entry at Yonaguni Monument/ Underwater Ruins 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 Yonaguni Monument/ Underwater Ruins?
Optimal conditions at Yonaguni Monument/ Underwater Ruins 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 Yonaguni Monument/ Underwater Ruins?
Depth and visibility information for Yonaguni Monument/ Underwater Ruins 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 Yonaguni Monument/ Underwater Ruins?
When diving Yonaguni Monument/ Underwater Ruins, 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.