Haleiwa Trench
Historic WWII trench now a thriving deep wall dive.
Shore Access
20m Avg Depth
35m Max Depth
About this dive site
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.
DivingFreedivingSnorkeling
Plan Your Visit
wall diveshore divedeep diveadvanced onlyturtlesharkhistoricalwide angle
Marine Life
green sea turtlewhitetip reef sharkeagle rayoctopus (tako)butterflyfishparrotfishmoray eeltriggerfish
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
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.
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