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Adventure X Boat Tours

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

Our Tours

  • Most Popular
From $150
  • 1.5 hours
  • Night Snorkel

Hawaii Manta Ray Night Snorkel

Dive into one of the Big Island’s most extraordinary experiences—just minutes from the Waikoloa Resort coastline. Slip into the water beneath the glow of specialized lights and watch as graceful, gentle manta rays soar and spiral through the darkness, feeding on clouds of plankton. With an expert guide at your side, you’ll witness this rare natural spectacle in a safe, serene, and truly magical setting.

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Other Adventures

Whale Watching

  • Seasonal
From $95
  • 2 hours

ULTIMATE #1 BIG ISLAND Whale Watch

Departing from Kawaihae Harbor, we venture directly into the renowned humpback whale nursery grounds along the Kohala Coast—an area where mothers nurture their newborn calves and unforgettable encounters are possible. This coastline offers some of the highest whale-sighting opportunities in Hawaiʻi, giving you the rare chance to witness these majestic giants up close as they rest, bond, and prepare their young for the long journey ahead.

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About Our Tours

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?

We specialize in giving guests safe, quality, and fun ocean adventures that are respectful and sustainable to our ocean, animals and island. Depending on the season, join us for our Big Island Whale Watching Adventure, Morning Dolphin Viewing and Turtle Snorkeling, 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 cruise, manta swim, or whale watching experience today!

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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