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Welcome to Hilo Ocean Adventures

We are the leading ocean tour boutique on the beautiful east side of the Big Island of Hawai‘i in historic Hilo. We specialize in unforgettable ocean adventures. Snorkeling and SCUBA diving tours with GIANT sea turtles, certifications, rentals, swim lessons, whale watching, and private tours! Complete your Hilo vacation by booking on-line now!

Hilo's only  dive and snorkel TOURS!


​Book your snorkeling, scuba diving, or whale watching adventure NOW!

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​​Beautiful Hilo's full service boutique offering intimate snorkeling, SCUBA, Whale and Sea Turtles Tours! Come see the healthiest coral reefs in the WORLD!