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Sanbondake

Type:
Scuba Diving
Entry:⚓Boat Entry
Difficulty:Advanced
Tags:
Reef
About This Dive Spot

Sanbondake, also known as Onohara Island, is an uninhabited reef off the coast of Miyakejima reached by about a one-hour boat ride. It’s described as one of the most dynamic dive points in the area, known for big pelagic encounters and large schools of fish. The site is a drift dive and is considered for advanced divers only, with dives possible only when sea conditions and currents are suitable.

Planning details
Reported depth and seasonality.

Typical conditions

Strong current; drift-style diving. Conditions must align for the site to be divable.

Safety & access
Hazards, restrictions, and required precautions.

Hazards

Strong currentDangerous wildlifeRestricted access

Safety notes

Advanced-only drift dive with strong current; diving is only feasible when sea conditions and currents are favorable. Large sharks may be present, so plan and dive within training and local procedures.

Access restrictions

Only possible to dive when sea conditions and currents are right.

Where is this?
Map location of Sanbondake
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Community sourced coordinates.
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Local intel
Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

A full drift dive in strong current intended for advanced divers.

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

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Frequently Asked Questions

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