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Hammerhead Rock

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

Hammerhead Rock is a dive site near Japan’s westernmost island, known for a high chance of encountering hammerhead sharks. The signature feature is a set of rock formations that rise vertically from the seabed, creating a dramatic underwater landscape around 35 m. The site is also frequented by large pelagic fish, with reports of tuna, schools of trevally, barracuda, and occasional sightings of whale sharks and dolphins.

Planning details
Reported depth and seasonality.

Reported depth

35m+

Depth note

Vertical rock formations are described as rising from the seabed at around 35 m.

Safety & access
Hazards, restrictions, and required precautions.

Hazards

Dangerous wildlife

Safety notes

Depth around 35 m and large-shark encounters call for appropriate training, gas planning, and situational awareness.

Where is this?
Map location of Hammerhead Rock
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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 deeper scuba dive centered around vertical rock structures at roughly 35 m and pelagic encounters.

Dive Spot Log Averages
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Dive Conditions Planner
Current snapshot, today hourly conditions, and seven-day planning data.

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Frequently Asked Questions

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