Oahu
YO-257 Dive
Navy Oiler Transformed into Hawaii's Most Popular Wreck Site
Why YO-257?
Located off Waikiki's coast, this 1989-sunk Navy oiler creates an impressive artificial reef at 90-110 feet. The large, intact structure features accessible sections and abundant marine life, offering intermediate divers an iconic wreck experience. From its coral-covered exterior to open cargo holds, each dive reveals new aspects of this historic vessel.
Diving Experience
This intermediate site requires deep diving experience and proper certification. Trips depart from Waikiki, with morning dives offering optimal conditions. Multiple decks provide exploration zones, while open sections allow safe observation. Boat access only, with typical dive times of 30-35 minutes.
Responsible Diving
Monitor depth and air consumption carefully. Maintain proper navigation and trim near the wreck. Enter only designated open sections with appropriate certification. Complete safety stops on every dive.
Quick Facts
Location: South Shore Oahu, near Waikiki
Depth: 90-110 ft (Intermediate)
Visibility: 100+ ft
Marine Life: Sharks, Turtles, Reef Fish, Rays
What You’ll See
Structure: Historic Navy oiler vessel
Reef Fish: Angelfish, butterflyfish, wrasses
Hidden Creatures: Moray eels, octopi, sharks
Special Visitors: Turtles, rays, dolphins
Frequently Asked Questions
What certification needed?
Open Water with deep diving experience
Wreck penetration allowed?
Only in open areas with certification
Best time to dive?
Morning offers optimal conditions
Typical dive length?
30-35 minutes at depth
Ready to Explore?
Experience Hawaii's most popular wreck dive. Perfect for intermediate divers seeking a blend of history and marine life encounters at one of Oahu's premier dive sites.