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Adventure X Boat Tours

Big Island's #1 Whale Watching, Wild Dolphin Viewing & Manta Snorkeling

 Aloha and Welcome to Adventure X Boat Tours!

We specialize in creating an incredible experience out on the ocean for visitors and kamaaina on the Big Island of Hawaii!

Love dolphins? We encourage you to check out the Morning Trip .

Want to see majestic Humpback Whales? You can choose either our morning or afternoon options.

Interested in Manta Rays dancing inches beneath you near the Kohala Resorts? Book here.

Our Adventures

Come experience the smooth and relaxing ride Adventure X has to offer.

Aloha from Captain Casey & Crew

Aloha and thank you for visiting Adventure X Boat Tours. Are you looking for the adventure of a lifetime on the Big Island of Hawaii?

Well, look no further because Adventure X Boat Tours specializes in giving guests safe, quality, and fun ocean adventures that are respectful and sustainable to our ocean, animals and island. We strive to educate and inspire our guests in ecologically balanced lifestyle practices and have dedicated a portion of our profit to support local and global non-profits that share a similar heart beat in helping people and the planet. Depending on the season, join us for our Big Island Whale Watching Adventure, Morning Swim with Wild Dolphins, and/or Manta Night Snorkel.

Known for the hospitality of our captain and crew, guests experience the true aloha spirit, knowledge of the islands and the sea. Book your Big Island snorkeling, dolphin and/or manta swim or whale watching experience today!

Check out our new foundation: Amama Foundation

Experience Big Island's Best Adventures
★★★★★

Still in awe of the manta rays!

"What a great night! We just came back from a night snorkel with enormous manta rays and it was magical! Nice boat, fantastic sunset, great people and some nice information about the mantas. We watched the mantas in a calm en quiet place with just 2 other boats, really relaxed and close by! We really loved our trip and would recommend Adventure X Boat Tours to everyone! Thank you Captain John and Lorraine for this amazing experience!! It was the best!!"

– Raymond & Lisette from The Netherlands · TripAdvisor
Whale watching

"Been on dolphin swimming and whale watching tours with Adventure X and every time they exceed our expectations. We always have a whale of a good time"

– georgek326 · TripAdvisor
THE BEST IN HAWAII

"WOW. My family and I went on the Manta Ray tour last night and we were all left speechless. It was by far the most amazing experience all 9 of us have had in our lives! It was so spectacular that I would pay to do it over and over again. We even had a few family members who were scared to go in the water, but the amazing crew put them at ease. Captain Casey, Jenna, and Kayla made our experience better than we ever could have dreamed. I have recommended this to every stranger I've passed since on the island, because everyone should experience this at least once!"

– brookeluck · TripAdvisor
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