The Big Island

4.80 Keauhou Bay

Since 1971, we've taken pride in offering a top-tier snorkeling experience backed by decades of expertise and a highly trained, lifeguard-certified crew. When you join us, you’re in the hands of professionals dedicated to safety, comfort, and making your time at Kealakekua Bay truly unforgettable.

Our award-winning snorkel tour takes you to this protected marine sanctuary, home to the Captain Cook Monument and some of Hawai‘i’s most pristine waters. Along the way, our crew shares the rich cultural and historical significance of the coastline.

Upon arrival, dive into crystal-clear waters, encounter vibrant marine life, or enjoy the thrills of our water slides and high dive. Snorkel gear and a variety of flotation options ensure a comfortable experience for all skill levels.

As we return to Keauhou Bay, take in the stunning coastal views while learning about Hawai‘i’s marine ecosystem, coral reefs, and conservation efforts—an experience that stays with you long after the journey ends.

Attention to detail, safety, and our expert crew set this excursion apart. During this tour we can visit either the northern manta site near the Kona airport, or venture further south to Keauhou depending on where the best manta sightings have been. Our licensed captains and dedicated guides are pulling out all the stops to make sure you get the best viewing possible.

Prior swimming & snorkeling experience is required to book this activity. Guest's must be able to independently climb up a vertical boat ladder. Not recommended for guest's who have undergone surgery or have mobility/physical restrictions. Not recommended for pregnant women. Contact tour operator for exceptions.

This family run business takes pride in sharing the importance of taking care or our land, ocean, animals, and each other.

You must arrive on time for check in time provided by your tour provider, check in time may be up to 40 minutes prior to scheduled tour time.

Why Choose Us for Your Manta Ray Night Snorkel?

Manta Guarantee Policy
Didn’t see a manta ray? Come again for FREE until you do!*
(Based on availability. See full policy for details.)

Smaller Group Size
Avoid the crowds—our tours are limited to a small group of 17 or fewer, unlike big boats that carry up to 50 guests.

Shorter Boat Ride
Get to the action faster with a quick 3-minute ride to the manta site—no long 30-minute boat ride like other operators.

Unmatched Light Power
Our custom light boards use over 150,000 lumens of blue dive light, attracting more plankton and increasing your chances of manta sightings.*
(*Mantas are wild animals—sightings are common but not guaranteed.)

Statistically Better Later Tours
Later tours often have fewer boats and more manta activity, enhancing your experience.

Fully Staffed & Safety-Focused
Every tour includes a licensed captain, swim guide, and certified lifeguard to keep you safe and informed.

Water time is approximately 20 to 40 minutes

What Makes Our Manta Ray Night Snorkel Unique
One of the only places on Earth to snorkel with manta rays at night—in their natural habitat

Small group size (maximum 17 guests) for a personal, uncrowded experience—unlike other boats carrying 40–60 people

Quick 3–5 minute boat ride from the harbor to the manta site (not 30 minutes each way like many other operators)

Industry-leading light system with over 150,000 lumens of blue dive lights, attracting more plankton and increasing manta activity

Custom light boards designed to keep you comfortably floating while mantas glide inches below

Later tour times available, which statistically have fewer boats and more mantas

Manta Guarantee — If no manta rays are seen, direct booking guests can rebook for free until they do (subject to availability)

Staffed by a licensed captain, certified lifeguard, and trained swim guide for safety

Run by a local, family-owned company that values education, conservation, and sharing the spirit of aloha

Daytime Snorkel Adventure – Captain Cook Monument & Kealakekua Bay

Snorkel the vibrant coral reefs at Kealakekua Bay, home of the Captain Cook Monument

Explore hidden sea caves, lava tubes, coves, and dramatic coastline features

Chance encounters with wild dolphins and whales along the way

Ride aboard a Zodiac RIB speed boat—the same style used by Navy SEALs, built for both speed and agility

Enjoy fresh pineapple and bottled water served on board

Snorkel gear is included in your tour

Avoid the crowds with our small-group experience, far from the big boats that pack in up to 60 people

Wetsuits, lifejackets, and GoPros are available for rent at our BIO storefront prior to your trip during check-in

Join us for a scenic, safe, and unforgettable snorkel adventure along Hawaii’s breathtaking Kona Coast!