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Depth, visibility, season, and marine life.
YO-257 (Wreck)
Advanced Waikiki wreck dive with turtles, rays, and sharks.
Scuba DivingBoatAdvanced29m - 30m
Wreck
Local operator required
Boat handling and wreck guidance are part of the site, especially because the wreck sits offshore from Waikiki.
An offshore Oahu wreck off Waikiki, best done by boat and reserved for divers comfortable with depth and wreck procedures.
About YO-257 (Wreck)
YO-257 is an old Navy oiler turned artificial reef just off Waikiki, resting upright on the sand at advanced wreck depth. The cut-outs make it a distinctive wreck to explore, and the draw is the mix of structure, coral growth, turtles, rays, and reef sharks. It is a boat dive first and foremost, with surface current and offshore conditions making it a site for trained divers rather than casual sightseeing.
Safety & Access
Site Conditions
Overhead environment
Safety Notes
Treat the wreck as an advanced dive, stay with your guide, and only enter the interior if your training and conditions allow it.
Access Restrictions
Boat access only, with wreck training recommended before any penetration and a strong awareness of surface current.
Legal Notes
Follow mooring-line and wreck-penetration rules, and avoid overhead exploration unless it is within your training and the guide approves it.
Where Is YO-257 (Wreck)?
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Local Intel For YO-257 (Wreck)
Community notes to help plan your visit.
Scuba Diving
A classic advanced wreck dive with cut-outs, big structure, and the option for limited penetration if trained and approved.
Freediving
This is not a freedive site; the wreck sits too deep and requires scuba equipment and wreck awareness.
Snorkeling
Snorkeling is not appropriate here because the wreck sits far below the surface.
Wildlife at YO-257 (Wreck)
Species commonly reported at this site, with direct links into their wildlife guides.
Research Estimate At YO-257 (Wreck)
Access · 3/5Moderate entry effort
Research estimate
Coral · 4/5Healthy coral
Research estimate
Aquatic Life · 5/5Exceptional variety
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Facilities · 4/5Good facilities
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Crowd / Popularity · 4/5Quite busy
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Current · 3/5Moderate current
Research estimate
Surge · 2/5Light surge
Research estimate
- VisibilityResearch estimate
- 27m
