This dive site, Haleiwa Trench, presents a unique underwater experience. Constructed during World War II as a man-made trench on Oahu's North Shore, it now boasts a remarkable wall of marine life. The trench offers significant depth and an expansive environment for exploration. It’s a compelling location for divers interested in exploring a submerged historical feature interwoven with a thriving ecosystem.
Haleiwa Trench
Historic WWII trench now a thriving deep wall dive.
Shore Access
20m Avg Depth
35m Max Depth
About this dive site
DivingFreedivingSnorkeling
Plan Your Visit
wall diveshore divedeep diveadvanced onlyturtlesharkhistoricalwide angle
Things to Note
Difficulty:
Advanced
Significant depth, potential for strong surge, and a long surface swim from shore make it challenging.
Hazards:
depthcurrentwavesboat traffic
Current Strength:
Variable
Plan Your Dive
Ready to explore Haleiwa Trench? Find dive operators and book your adventure.
Dive Operators Coming Soon
We're working on connecting you with local dive centers and operators for this site.
Nearby Dive Sites
Explore other dive sites in the area
United States, Hawaii, Oahu Pūpūkea Marine Life Conservation District
Famous North Shore cavern and lava tube shore dive.
Two impressive, deep artificial wreck dives off Waikiki.
Historic WWII Corsair fighter plane wreck for advanced divers.