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  • Address: Keauhou, Hawaii, USA
Before the golf courses, condos and luxurious resorts, sleepy little Keauhou Bay was the birthplace of a king. In 1814, when Queen Keopuolani gave birth here, it was first believed that her infant son had died a stillborn death. When a priest managed to revive the infant by placing him upon a stone, the child would live to be Kamehameha III—the longest ruling monarch of Hawaii.

Today the Kauikeaouli Stone is on the National Register of Historic Places, and the bay is also the launching point for snorkeling tours to Kealakekua Bay. At night, dozens of manta rays visit Keauhou to feed on schools of plankton, and twilight snorkeling tours and evening scuba dives have become some of the most popular activities on the Big Island. In addition to snorkeling and diving, standup paddle and kayak rentals are available at the oceanfront park.

Practical Info

Keauhou Bay is located seven miles and 15 minutes south of downtown Kona. There is parking available on Kamehameha III road, and Keauhou Beach Park has showers, restrooms and a small black sand beach. Swimming, however, is not advised due to the high level of boat traffic. 

Tours & Tickets

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Keauhou Bay Sunset Cruise and Night Manta Swim, Big Island of Hawaii, null
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Keauhou Bay Sunset Cruise and Night Manta Swim

4.5 star rating: Recommended 2 Reviews

An unforgettable 1.5 hour evening boat trip out of Keauhou Harbor to enjoy the beautiful Kona coastline and Sunset, as you await the mantas arrival. You will ...  Read more

Location: Kailua-Kona, Hawaii
Duration: 90 minutes (approx.)

From USD $115.00
Big Island Keauhou Bay Kayaking and Optional Snorkeling Cave Tour, Big Island of Hawaii, Sunset ... 
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Big Island Keauhou Bay Kayaking and Optional Snorkeling Cave Tour

5 star rating: Highly Recommended 7 Reviews

Enjoy an exciting day of kayaking below Hawaii's soaring cliffs and around its sea caves! Experience the picturesque beauty of the Big Island on this aquatic ...  Read more

Location: Kona, Hawaii
Duration: 3 hours 30 minutes (approx.)

From USD $99.49
Big Island Manta Ray Night Kayak and Snorkel Adventure, Big Island of Hawaii, Kayaking & Canoeing
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Big Island Manta Ray Night Kayak and Snorkel Adventure

4 star rating: Recommended 10 Reviews

Experience the thrill of seeing manta rays up close! Kayak and snorkel through the Big Island's pristine waters to see Hawaii’s playful manta rays at night. ...  Read more

Location: Kona, Hawaii
Duration: 90 minutes (approx.)

From USD $99.79

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