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Glass-bottom Boat Reef Tour

star-4.595 Reviews
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Badge of Excellence
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Kailua-Kona, United States
Glass-bottom Boat Reef Tour
Likely to Sell OutLikely to Sell Out

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Free cancellation
Up to 24 hours in advance. Learn more
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Safety measures
icon1 hour  (Approx.)
Mobile ticket
iconOffered in: English
Good for avoiding crowds

Overview

Experience the rainbow-colored fish and bright corals beneath the waves without ever getting wet during this glass-bottom boat trip from Kona. Climb aboard your 36-foot (10-meter) vessel (specially designed for floating above reefs) with an expert naturalist as you explore the incredible marine landscape of Hawaii. As you cruise, observe Hawaii’s underwater coastline and admire fascinating creatures like dolphins, turtles and maybe even a seasonal whale or two.
  • Tour the coral reefs just off the Big Island aboard a glass-bottom boat
  • Experience the magical underwater world of Hawaii without ever getting wet
  • Travel aboard a custom-built boat designed to glide over shallow reefs
  • Admire rainbow-colored tropical fish, beautiful coral, dolphins, and humpback whales
  • Learn about the geology and ecology of Hawaii
  • Perfect trip for families and children
  • Great way to experience Hawaii's marine life
Saved to wishlist!
Live commentary on board
Local guide
Food and drinks, but cold water is available

Departure Point

Kaahumanu Pl, Kailua-Kona, HI 96740, USA

Kailua Pier, right in the village of Kailua-Kona, Hawaii Island (Big Island) Across from King Kamehameha's Kona Beach Hotel (75-5660 Palani Rd 96740) a good place to park! Tour departs midway down pier on left side. Look for blue and yellow flags on boat mast.

Return Details

Returns to original departure point
Dive into the magical underwater world of Hawaii without ever leaving the boat during this ride aboard a glass-bottomed vessel. This special ship offers a unique window into the wondrous mysteries and fascinating creatures that inhabit the Big Island’s shores and reefs.

Check in for your morning boat ride at Kailua Pier, climbing down into the viewing area of your totally custom-built 36-foot (10-meter) boat. Grab a seat on a cushioned couch alongside one of the boat’s four viewing windows and receive an introduction and overview of your trip from your on-board naturalist.

Cruise out into the mellow waters just off the Big Island as you admire some of this amazing coastline’s unique coral reefs. Your unique shallow-bottom boat can get right up to the edge of these amazing underwater wildlife areas, offering you the perfect view. As you gaze in amazement at the colorful fish and corals below, listen as your naturalist narrator shares a few insights into reefs and the ecological forces that shape them. Learn where some of Hawaii’s beautiful white sand comes from and get a peek “behind the curtain” of fish mating rituals.

Continue your ride by proceeding into deeper waters, allowing you views of an amazing underwater pinnacle and a chance to watch as the bottom quickly drops off into the deep ocean. As you ride, you might even have the chance to spot spinner dolphins and (depending on the season) humpback whales. And if you get tired for some reason of the views from below, turn your gaze toward the horizon, where you’ll be able to spot historic shoreline sights like Hulihee Palace, Mokuaikaua Church and Kamakahonu (where King Kamehameha I made his home in his final years), plus much more.

Finish your magical experience along Hawaii’s beautiful coast by traveling back to Kailua Pier.
Itinerary
Stop At:  
Kona Glassbottom Boat - Kailua Bay Charter Co.
Visit Kona's underwater world aboard the Marian!
Duration: 50 minutes
Admission Ticket Free
  • Confirmation will be received at time of booking
  • Child rate applies only when sharing with one paying adult
  • Children must be accompanied by an adult
  • A maximum of 24 people per booking
  • This tour requires reconfirmation with the local supplier
  • Departs from Kailua Pier, on the Big Island of Hawaii. The pier is adjacent to the Courtyard Marriott King Kamehameha Kona Beach Hotel, 75-5660 Palani Rd., Kailua-Kona, HI
  • Tour departs midway down pier on left side. Look for blue and yellow flags on boat mast.
  • Not wheelchair accessible
  • Stroller accessible
  • Service animals allowed
  • Infants must sit on laps
  • Most travelers can participate
  • This tour/activity will have a maximum of 24 travelers
  • OPERATED BY Kona Glassbottom Boat

For a full refund, cancel at least 24 hours in advance of the start date of the experience.

  • This experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.

  • This experience requires a minimum number of travelers. If it’s canceled because the minimum isn’t met, you’ll be offered a different date/experience or a full refund.

Learn more about cancellations.

The answers provided below are based on answers previously given by the tour provider to customers’ questions.
Q:
What is the policy on face masks and attendee health during Glass-bottom Boat Reef Tour?
A:The policies on face masks and attendee health are:

  • Face masks required for travelers in public areas
  • Face masks required for guides in public areas
  • Face masks provided for travelers
See all safety measures taken by Glass-bottom Boat Reef Tour.
Q:
What is the policy on sanitization during Glass-bottom Boat Reef Tour?
A:The policies on sanitization are:

  • Hand sanitizer available to travelers and staff
  • Regularly sanitized high-traffic areas
See all safety measures taken by Glass-bottom Boat Reef Tour.
Q:
What measures are being taken to ensure staff health & safety during Glass-bottom Boat Reef Tour?
A:The policy on staff health & safety is:

  • Guides required to regularly wash hands
See all safety measures taken by Glass-bottom Boat Reef Tour.
Q:
What is the maximum group size during Glass-bottom Boat Reef Tour?
A:This activity will have a maximum of 24 travelers.

See all safety measures taken by Glass-bottom Boat Reef Tour.

Traveler Photos

Reviews

4.5
star-4.5
95 Reviews

Reviews by Viator travelers

Showing 1-10 of 95 reviews
star-5
Great experience
Amber_S
, Sep 2021
Our tour guide was amazing and had remedies on board for sea sickness. She was very knowledgeable and we had a great time. Definitely would recommend.
HelpfulHelpful
star-2
Sea sick
RCD
, Aug 2021
The experience of looking at the coral through the glass bottom is very cool, but everyone in our group of 11 got so sea sick that it just wasn’t enjoyable. Would not do again.
icon Response from Host , Aug 2021
We are so sorry to hear that your group got seasick. It is quite unusual to have everyone in a group get seasick. Generally, folks do fine, however for those of that are prone to motion sickness we encourage them to take precautions. We do not operate our tour if the conditions are too rough. But, just like any boat, some people may get sick. So glad that you enjoyed seeing the sea life through the glass.
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star-1
Disappointing experience.
Sia_V
, Aug 2021
There wasn’t enough fish to enjoy. Pretty much the same 3-4 kinds and not a lot of them. There were children that were so loud and out of control that we couldn’t hear what the guide was saying. It was a very frustrating and disappointing experience. It was a waist of time abs money. Would not recommend. I feel sorry for the guide.
icon Response from Host , Aug 2021
We always welcome constructive feedback and I appreciate you taking the time to write this review. I cannot help but feel a bit surprised by the one star. I was the guide on this tour, and I remember you bringing up your frustration with the children, at the very end. If I had known earlier that they were bothering you this much I could have spoken with their parents. The children were staying at their viewing box with their parents and expressing delight and excitement about all the fish and creatures they were seeing. Since they were a bit on the louder side, the other crew on the boat that day went to their viewing box to give them a bit more one on one attention to reduce the chance of them shouting out questions to me. We do our best to make sure that all the passengers on the boat have a good time. I am truly sorry that you did not enjoy the tour. I am also surprised that you only saw the same 3-4 kinds of fish. There are many more fish living on the coral reef that we tour. It is true that there are not always large schools of them since this is a natural coral reef ecosystem with fish living in their natural environment. We do not feed fish to have artificially large quantities in one place. I am saddened to hear that you found our tour to be a waste of your time and your money.
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star-4
Laid back and mellow
Michele_S
, Aug 2021
Our family learned some things about the sea life from Eden as we floated over the reef. The captain let our granddaughter “drive” the boat. And we got to see dolphins! Very relaxed and enjoyable hour on the bay.
icon Response from Host , Aug 2021
So glad to hear that you found our tour to be a relaxing and enjoyable. Happy to know that you learned some things about the sea life. I am sure the captain enjoyed a little help at the helm as your granddaughter "drove" the boat. Thanks for the great review.
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star-5
Great time
Nazifa_A
, Aug 2021
Seeing the unicorn fish and learning how fishes can changed back into a female if needed and also the dolphins and seeing Rainbow!
icon Response from Host , Aug 2021
So glad to hear that you had a great time! Thank you for the wonderful review.
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star-5
Glass Bottom Boat
Mary_B
, Aug 2021
The guide was very knowledgeable and could answer questions that only someone with high expertise could answer.
icon Response from Host , Aug 2021
Thank you for the wonderful review.
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star-5
Affordable and fun!
JuanPablo_C
, Jul 2021
Great experience! The trip was a wonderful experience, we got to enjoy the beautiful weather and saw some very interesting wildlife. The guide was knowledgeable and fun!
icon Response from Host , Aug 2021
Thank you for the wonderful review. We are so glad that you enjoyed the tour. Mahalo!
HelpfulHelpful
star-5
Informational
Walter_D
, Jul 2021
Very informational and loved seeing and learning about the different kind of fish and reefs. Would recommend to friends and family.
icon Response from Host , Aug 2021
Thank you for recommending us. We are happy to hear that you enjoyed learning about, and viewing the coral reef.
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star-5
Loved it!!!
J-Wash
, Jul 2021
Guide was AMAZING; personable, knowledgeable and so patient with all the kids on board. The views were spectacular, dolphin and sea-turtle sightings were icing on the cake!
icon Response from Host , Jul 2021
We are so glad that you enjoyed the tour! It means allot to hear that you found the guide to be a amazing. Dolphin and sea-turtle are always a welcome treat. Happy they came by for your tour. Thank you for such a great review.
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star-4
Informative & fun
Pds
, Jul 2021
Saw lots of different fish and differing sea bottom areas. The narrator was knowledgeable and fun to listen to. Even had ginger candy for those squeamish on board, along with throw up bags!
icon Response from Host , Jul 2021
Thanks for the review! Glad you enjoyed viewing the sea bottom and listening to the narration. I had to laugh a little that the "aloha" bags were a highlight for you.
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