One Ocean Diving

One Ocean Diving Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from One Ocean Diving, Tour Agency, PO Box 940, Haleiwa, HI.

Our biologist-led snorkel, freedive & swim tours on Oahu let you encounter sharks while supporting shark research & conservation.
✅ 100% safety record
✅ Education on shark behavior
✅Ethical and science backed
✅ Direct conservation impact

09/27/2026

Every dive is a reminder that the ocean is so much more than what we see from above. Come experience it for yourself and see what’s waiting below. 🦈

What’s your favorite memory from the moment you first entered the water? Share it with us below 🤙🏽

09/26/2026

AI could never .. 🦈🦈🦈🦈

Honed by millions of years of evolution, sharks are perfectly adapted apex predators—built for life in our oceans with an incredible combination of power, grace, and precision.

There’s something almost impossible to describe about seeing one move through the water. They aren’t monsters. They are extraordinary animals, shaped by evolution over immense spans of time.

Intensely beautiful. Wildly intelligent. Perfectly adapted. 🌊🦈

09/22/2026

Say YES to shark diving!

Come join us this tiger season & have your opinion of sharks change!

We educate our guests about the importance of sharks, their biology, & how to safely coexist.

Book your next adventure now! OneOceanDiving.com

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PO Box 940
Haleiwa, HI
96712

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