Benten Island

Cold Temperate Northwest PacificNortheastern Honshu
Session:
Scuba DivingSnorkelingFreediving
Entry:🏖️Shore Entry
Tags:
Great ScubaReef
About This Dive Spot

Benten Island, located near the town of Onagawa in Miyagi Prefecture, offers divers a unique experience where the Oyashio and Kuroshio currents converge. This site features a variety of marine life, including fixed nets, oysters, and sea squirt shelves. Divers can observe a wall of ascidians, which is a distinctive characteristic of this northern dive site. Throughout the year, sightings of dangler fish are common, and divers may witness their spawning behavior. Additionally, the area is home to various northern nudibranchs, dandelions, and anchidnails, making it an interesting site for marine biodiversity. The entry to the dive site is from the shore, providing easy access for divers.

Where is this?
Dive Statistics
Average conditions based on logged dives
Activity
Total Logs
0
Unique Divers
0
Recent Logged VisitsRecent Dive Logs

Quick Facts

  • Best season: Check recent logs for current conditions
  • Typical visibility: Variable
  • Entry types: shore
  • Highlights: scuba diving, snorkel diving, freedive diving
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Frequently Asked Questions

What's the best entry point at Benten Island?
Entry at Benten Island 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 Benten Island?
Optimal conditions at Benten Island 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 Benten Island?
Depth and visibility information for Benten Island 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 Benten Island?
When diving Benten Island, 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.