Ewa Pinnacles Reef
Explore soaring lava towers, coral-covered ridges, and stunning marine life at one of Oʻahu’s most underrated dive sites.
Intermediate to advanced reef dive at 50–80 ft, with sharks, turtles, and topography you’ll never forget.
Quick Facts
📍 Location: South coast of Oʻahu, Hawaiʻi
🌊 Depth: 50–80 ft
🔦 Visibility: Up to 100 ft
🎯 Experience Level: Intermediate to Advanced
🐠 Marine Life: Whitetip reef sharks, sea turtles, manta rays, puffers, eels, reef fish
Ewa Pinnacles is a hidden gem on Oʻahu’s south coast — a dramatic reef dive featuring towering lava formations that rise from the seafloor like ancient spires.
Blanketed in hard and soft corals, the pinnacles form natural passageways, overhangs, and lava tubes that attract an abundance of marine life. You’ll spot whitetip reef sharks patrolling the edges, puffers and eels tucked in crevices, and the occasional sea turtle or manta ray gliding above.
This is a visual and structural wonderland, perfect for divers seeking a reef dive with depth, dimension, and big life.
❓FAQs: Ewa Pinnacles Reef
What marine life can I expect to see?
🐟 Look for:
Whitetip reef sharks, eels, puffers, and reef fish
Occasional sightings of manta rays and sea turtles near the lava tubes
How deep is the site?
📏 The lava pinnacles rise from around 80 ft to 50 ft, giving a spectacular sense of scale and depth.
When’s the best time to dive here?
🌞 Ewa Pinnacles can be dived year-round thanks to Oʻahu’s warm water (75–80°F).
Check with Dive Oʻahu for current conditions and wildlife sightings.
Is this dive suitable for beginners?
⚠️ No — Ewa Pinnacles is best for intermediate and advanced divers due to its depth, structure, and possible currents.
What’s the visibility like?
👀 Visibility is often exceptional — up to 100 ft, especially during summer and early fall.