Koganezaki Dive Center live conditions page showing the current boat opening and recent visibility range.
Short-boat root dive with stingrays and schooling fish.
Short-boat root dive with stingrays and schooling fish.
A local operator is the normal way in for the short boat ride and route planning.
Arari is a short-boat root dive off the Izu coast with dynamic underwater terrain, seasonal stingray action, and broad fish schools around the offshore roots. The site rewards patient buoyancy, relaxed photography, and a dive plan that can adapt to changing visibility between summer and autumn. It is also one of the more comfortable quick-turn boat options in the area.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Depth Note
Boat-root site with a moderate descent point and varied relief.
Best Season
Early summer for stingrays and autumn for better visibility and schooling fish.
Typical Conditions
Dynamic offshore roots with seasonal stingrays, autumn visibility gains, and schools of fish around the structure.
Hazards, restrictions, and access requirements.
Safety Notes
Keep buoyancy tight over the roots and give yourself room for photo stops without drifting off the structure.
Access Restrictions
Boat access only; the dive is normally run through a local operator with a short harbor departure.
Legal Notes
Follow the local dive-center briefings and any area conservation rules.
Community notes to help plan your visit.
Scuba Diving
Boat-root dive with strong photo potential, from macro on the walls to wider schooling scenes.
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
Koganezaki Dive Center live conditions page showing the current boat opening and recent visibility range.
JNTO Shizuoka guide covering Arari and the Koganezaki area as a major Izu diving zone.
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