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This activity is not available to book at this time.

Hula Kai Manta Ray Night Swim & Snorkeling Catamaran Cruise (from Keauhou Bay)


Explore the mystery of the underwater world while swimming with Manta Rays as they feed on plankton in the moonlit waters of Keauhou Bay.

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Each year thousands of divers and snorkelers from around the world visit the sparkling Kona Coast and snorkel and dive among the Manta Rays of Keauhou Bay! Enjoy a quick boat ride to the Manta Ray Feeding Grounds. Your guides will then take you on an unforgettable snorkel or scuba excursion to witness these majestic mantas. These "Gentle Giants" visit the area nightly to feed on the plankton that are attracted by boat's bright lights. Come see for yourself why the Travel Channel calls this tour “One of the Top-Ten things to Do in Your Lifetime!”
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This activity is not available to book at this time.
Schedule & Location
  • Schedule
  • Check-in
    Time & Location
  • Check-out
    Time & Location

Starting time: 17:45 (Nov & Dec) - 19:00 (Jun & Jul) (Show details)
  • 17:15 Check-in at Keauhou Bay
  • 17:45 Manta Ray Night Snorkel (1.5 hr)
    After sunset, witness the majestic mantas up close as they grace the waters and feed on plankton. Enjoy snacks and soup along the way!
  • 19:15 Return to Bay
    • This activity is not wheelchair accessible.
    • Children 7 years old and above can participate in this activity.
Required Items to Bring & Attire
    • Swimsuit
    • A valid government issued photo I.D. is required to consume any alcoholic beverages.
Requirement(s) - Others
    • Please call the activity provider the day before to reconfirm your booking. Your voucher has the necessary contact information listed.
Additional Note(s)
    • The activity schedule is subject to change or cancellation due to weather or traffic conditions.
    • The menu is subject to change without notice.
    • Gratuity is not included in the price.
    • Drinks are available for purchase.
    • If you do not see Manta Rays on your tour, you are welcome to go again or go on the Fair Wind Afternoon Snack Cruise for up to a year after your activity date.
    • Wine and beer will be available for purchase.
Activity provider
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Can we get back on the boat at any time if the water gets cold?
  • Yes, absolutely.
How is the underwater visibility?
  • Visibility is great. The Manta Rays will sometimes be within inches of you and the water is only 20~30 feet in depth, so visibility is normally quite clear.
Will wet suits be provided?
  • Yes, wet suits will be provided.
What kind of boat will be used?
  • Built in 2005, it is a new 55' Teknicraft Catamaran which has been designed and built to accommodate guests who seek the very best in luxury, comfort and technology. The new vessel seats 42 passengers. It is equipped with two stairways for easy access in and out of the water, full bar & galley, two restrooms and fresh water showers.
What is the late-night snack menu?
  • Warm Soup and Bread Rolls, Snack Mix, Hot Tea and Coffee, and Hot Chocolate
Please click HERE to send an inquiry about this activity
Payment/Cancellation policy
Payment type
Credit card payment
Cancellation Policy
  • Any cancellations made after 17:00, 2 business days prior to the activity will be subject to a charge of 100% of the total amount. (Groups of 9 or less)
    Any cancellations made after 17:00, 2 business days prior to the activity will be subject to a charge of 100% of the total amount. (Groups of 10 or more)


(4.82/5.00) 4.82 / 5
(11 reviews)
Pick-up Not available
Duration 2 hour(s)


by: Ms. V
This was one of my main reasons for visiting the Big Island and it most definitely did not disappoint! The crew were fun and informative. The mantas were plentiful. I didn't realize how close they...more
by: Nicole
Just me with my two grown sons, amazing experience! Got great footage on our go-pro. Very glad I took 2 bonine beforehand, no motion sickness for me. My other son only took 1 bonine and had to cut ...more
by: Dawn Weston
Me and my family attended this activity on 5/12/17 and it was everything and more! There was a total of 8 of us in my family that went. The boat was huge and there was not a lot of people so there was...more
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Hawaiian Islands