Haleiwa Trench

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.