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Ocean Eco Tours

Kona Manta Ray Night Snorkel & Big Island Ocean Tours

Experience the magic of Hawaii’s Big Island with Ocean Eco Tours. Escape the crowded commercial boats and embark on intimate, couple-owned and operated marine adventures—from world-famous night snorkels with majestic manta rays to custom offshore safaris and pristine coral reef explorations.

People ready to snorkel in clear water big island hawaii

When looking for the best boat tours in Kailua-Kona, group size and local expertise make all the difference. At Ocean Eco Tours, we specialize in small-group and private boat charters designed to give you an up-close, respectful, and uncrowded encounter with Hawaii’s marine life.

Intimate Group Sizes: No cattle boats. Enjoy personalized attention from our expert marine naturalists. Fewer people in the water means more personal space, better visibility, and zero competition with crowds for marine life sightings.

World-Famous Manta Ray Night Snorkel: Witness the grace of reef manta rays feeding in their natural habitat just off the Kona Coast.

Diverse Big Island Marine Life: Keep your eyes peeled for Hawaiian spinner dolphins, humpback whales (seasonal), green sea turtles (honu), and vibrant reef fish.

Eco-Friendly & Sustainable: Its in our name! We adhere to strict conservation standards to protect Kona's fragile marine ecosystem for generations to come.

Why Choose Ocean Eco Tours for Your Big Island Adventure?

Our Tours

Manta ray night dive swimming in dark water
Captain Brenden swimming near whale shark underwater in Big Island
School of yellow fish underwater reef in Big Island snorkeling

Night Manta Ray

Best manta ray night snorkel in Kona.

Offshore Safari

Explore Kona’s Diverse Reef & Pelagic Marine Life

Private Kealakekua Bay

Kealakekua Bay Snorkeling Tour in Kona

Underwater manta ray swimming in dark
Whale watching humpback whale swimming in deep ocean in Big Island
Monet from Ocean eco tours diving with large tiger shark underwater

Kealakekua Bay & Manta

Bundle and Save!

Whale Watch

Whale season is coming up!!

Private Charter

Whale season is coming up!!

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