Night Manta Ray Experience Tour

Educational Manta Swim

Experience the magic of Keauhou Bay after dark as you snorkel amidst glowing blue-green waters. Marvel at massive manta rays, some with 14-foot wingspans, elegantly barrel-rolling beneath you. This 1-hour-and-15-minute tour offers insights into their feeding behavior, led by expert SeaQuest Hawaii guides. Suitable for ages 7 and up, it’s perfect for families and solo adventurers alike. Book now at CheapHawaiian.

Activity Price

135 USD

Duration

1 Hour and 15 Minutes

Age

Ages 7+

Location

Keauhou Bay, HI

Amenities

All snorkel gear — mask, snorkel, fins, and a flotation board equipped with underwater lights — is provided and fitted before you enter the water. The foam board does double duty: it keeps you effortlessly at the surface without treading water, and its underwater lighting system is exactly what draws the plankton and, in turn, the mantas directly to you.
Wet suits are available for use during the experience, which matters more than first-timers expect — the water off Kona at night runs noticeably cooler than the daytime shallows, and even in summer you'll feel the chill after 20 minutes without one. Guides also provide a full safety and educational briefing dockside before you enter the water, covering manta behavior, how to hold your position, and what to do if a ray comes closer than you anticipated.

Special Instruction

Mantas Rise to Meet You After Dark

The Moment a Manta Fills Your Entire Field of Vision

You’re gripping the lit foam board, face in the water, and then — without warning — a manta the size of a dining room table sweeps upward in a slow barrel roll, its white underbelly almost luminescent against the black water below. For a second or two it’s all you can see. Every first-timer has that same sharp intake of breath through the snorkel.

Keauhou Bay at Night: Glowing Water, Zero Crowds

Once you’re in the water and the boat lights are on, the surface glows like something out of a dream — billions of tiny plankton swirl in the beam while the bay around you disappears into darkness. It’s completely quiet except for your own breathing and the occasional sound of a manta breaking the surface to feed, a soft slapping sound you’ll remember long after you’ve dried off.

The Briefing on the Dock That Actually Matters

Before you ever hit the water, the SeaQuest guides walk you through exactly how to hold the flotation board, how to position your body so you don’t kick a manta, and what those sweeping cephalic fins mean when they unfurl — and suddenly the whole thing shifts from a snorkel trip to something you feel genuinely prepared for. That ten minutes on the dock takes the edge off the darkness waiting out in the bay. By the time you slip off the ladder into 78-degree water, the nerves have mostly turned into anticipation.

Premium Night Manta Experience Inclusions

About
Pricing
Cancellations

Overview
Duration: 1 Hour and 15 Minutes
Meeting Point: Keauhou Bay, HI
Cancellations: All changes and/or cancellations must be made 48 hours before the tour start time.
Age Requirement: 7+

Activity Details
Prepare to amaze your friends and family with an adventure they’ll never believe: swimming with manta rays in the warm waters of the Pacific Ocean, at night, amidst a feeding frenzy. These magnificent creatures can grow up to 16 feet across and weigh over 1000 pounds. Named one of the “10 Things You Must Do in Your Lifetime” by The Travel Channel, this experience is truly one-of-a-kind and can only be experienced at three locations worldwide.

The check-in and departure point is just minutes from one of the Island’s most successful and consistent manta ray viewing sites. Watch in awe as these graceful giants glide beneath you, only feet away from the boat, in the tranquil waters of Keauhou Bay. It’s a nocturnal ballet you’ll never forget.

What if we don’t see any mantas?
Though it is extremely rare, if no manta rays appear during your tour, you are welcome to join us again during the same vacation at no additional cost (based on availability). Just contact us immediately to reschedule your tour.

What’s Included:

  • Snorkel with manta rays at night!

  • Hot chocolate and cookies

  • Wetsuits and flotation devices provided

  • Snorkel gear (including Rx masks)

  • Duration: 1 hour and 15 minutes

Note: Previous snorkeling experience will be helpful for this tour.

Price:

  • $135 per person + Tax

Age Requirement:

  • No children under the age of 7.

Cancellation Policy
Sea Quest enforces a 48-hour cancellation policy. If you cancel your reservation at least 48 hours before your tour, you will receive a full refund. If you need to reschedule, please do so 48 hours prior to your tour to avoid a penalty. This allows us time to rebook your seats.

Customers will also receive a full refund in the event of operator cancellation due to weather or other unforeseen circumstances. Please contact us by phone to cancel or inquire about a cancellation. No-shows will be charged the full price of the tour.

If you book through a partner company, please refer to the partner’s cancellation policy for further information.

Manta Ray Guarantee:
In the rare event that no manta rays are sighted during your tour, Sea Quest invites you to come back on another night at no additional cost or join a confirmed Captain Cook Exclusive afternoon snorkel tour at no extra charge. This offer is subject to availability and is non-transferable. No refunds will be issued. This guarantee is valid for one rebooking only.

Night Manta Ray Experience — Frequently Asked Questions

  • Manta sightings at Keauhou Bay are remarkably consistent — this site has one of the highest reliable encounter rates of any manta tour location in the world, with sightings reported on the vast majority of tour nights. The feeding setup is self-reinforcing: underwater lights attract plankton, plankton attracts mantas, and the mantas have learned this pattern over years. That said, ocean conditions are never fully guaranteed, and on rare rough-water nights the tour may be modified or rescheduled for safety.

  • You do not need to be a strong swimmer — the foam flotation board keeps you at the surface without any effort, and wet suits add additional buoyancy. What you do need to be comfortable with is floating face-down in open, dark ocean water for an extended period, which is a psychological adjustment more than a physical one for most people. Guests who are truly non-swimmers or very anxious in deep water should speak with the guide team before entering.

  • The minimum age for this experience is 7 years old, and kids who are confident in the water and comfortable wearing a snorkel mask typically do extremely well — many guides will tell you children are often the calmest and most focused guests in the water. Parents should make sure their child can float comfortably and follow simple in-water instructions before booking, and the guides will keep a close eye on younger participants throughout.

  • Wear your swimsuit under casual clothes you don’t mind getting damp, and bring a towel and a dry change of clothes for after — you will be wet and the Kona night breeze feels cold when you’re standing on a boat deck. Leave jewelry, cameras without underwater housing, and anything you can’t afford to get wet or lose in the car. The boat does not have heated facilities, so layering up for the ride back is a smart move.

  • No — touching manta rays is strictly prohibited, and guides enforce this firmly. Mantas have a protective mucus layer on their skin that human contact damages, leaving them vulnerable to infection. The good news is that the mantas approach so closely on their own — within arm’s reach or closer during feeding passes — that the no-touch rule quickly stops feeling like a restriction and starts feeling completely irrelevant.

  • Yes, first-time snorkelers do this tour regularly and have a great time, largely because the flotation board removes the need to actively swim and lets you focus entirely on breathing through the snorkel and watching the mantas. Guides spend time on the boat before entry teaching proper snorkel technique, and the calm, sheltered conditions at the site are far more forgiving than open-ocean snorkel spots. If you’ve never worn a mask and snorkel before, practice breathing through your mouth with the mask on while still on the boat — that one minute of practice prevents 90% of first-timer panic.