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Okinawa visibility baseline for calm-day planning.
Dive Spot Guide•
Ohoba No.1 Crevasse
Iejima crevasse dive with light, tunnels, and drop-offs.
A boat-access crevasse off Iejima with a defined tunnel, deeper drop-off, and a compact route that rewards slow, controlled diving.
About Ohoba No.1 Crevasse
Ohoba No.1 Crevasse is a boat-access Iejima dive that pairs a narrow vertical cut with dome-like reef shapes and a deeper drop-off. The site is all about light, structure, and careful line-reading through the crevasse, with enough room for patient exploration but not the feel of a casual reef drift. It suits divers who want an overhead feature and a compact, methodical route.
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Research Estimate At Ohoba No.1 Crevasse
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 15m
AccessModerate entry effort
Aquatic LifeGreat variety
FacilitiesBasic facilities
Crowd / PopularityFew visitors
Where Is Ohoba No.1 Crevasse?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Ohoba No.1 Crevasse Planning Details
Depth range, seasonality, and planning context.
Reported Depth
4m - 30m
Depth Note
A rocky tunnel about 15 m long sits on a surface around 4 m deep, while the broader site averages about 14 m and drops to roughly 30 m.
Best Season
Summer, when Ie Island's cavern and tunnel dives are the main draw.
Typical Conditions
Boat-access crevasse with overhead passages, dome-like shapes, and a deeper drop-off that rewards slow route-finding.
Safety & Access At Ohoba No.1 Crevasse
Hazards, restrictions, and access requirements.
Key Hazards
Overhead environmentRestricted access
Safety Notes
Keep buoyancy tight through the tunnel and crevasse; the route is short but the overhead profile leaves little room for sloppiness.
Access Restrictions
Boat access only; use the ferry and a guided boat dive.
Legal Notes
No special permit is noted; follow the operator's timing guidance.
Local Intel For Ohoba No.1 Crevasse
Community notes to help plan your visit.
Scuba Diving
Boat-based scuba diving with terrain that includes caves/domes and drop-offs.
Freediving
Not a freedive-first site; the overhead passage and deeper sections are better suited to scuba.
Snorkeling
Only the shallowest approach is snorkel-friendly, if a guide offers it.
Wildlife at Ohoba No.1 Crevasse
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Ohoba No.1 Crevasse
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Ohoba No.1 Crevasse
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility15m
Activity
No dive activity logged yet.
