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Kona Big Island Manta Ray Night Snorkel

TourTruth score 6.5 out of 10

Average

2,072 reviews · Rated on 1 provider · How we score

  • Big Island of Hawaii
  • 2 hrs
  • Updated November 2, 2026

Snorkel after dark off Kona for a chance to see manta rays glide through the water, or stay aboard with a ride-along ticket.

About this tour

As night falls off Kona, manta rays sweep through the dark water with effortless grace. This 120-minute Kona Big Island manta ray night snorkel brings you to a nearby viewing site for a memorable encounter with these wild ocean animals.

After checking in at the Snorkel Tour Check-in and Boutique, you’ll travel to Keauhou Bay and board the boat. The crew provides a short-sleeve wetsuit top, mask, and snorkel, then guides participating snorkelers in the water for approximately 30 minutes. Fins are not allowed. Prefer to stay dry? A ride-along ticket lets you remain aboard, though sightings from the boat may be limited. The source describes the snorkel site as about a five-minute boat ride away.

Manta sightings are never guaranteed, so choose your ticket with that in mind. Snorkelers need swimming and treading-water skills, prior snorkeling experience, and the ability to climb a metal ladder back onto the pontoon. Book your Kona Big Island manta ray night snorkel for a chance to see these remarkable animals in their nighttime habitat.

Highlights

  • Watch manta rays glide through the water after dark
  • Snorkel for approximately 30 minutes with an in-water crew
  • Choose a snorkel ticket or a boat ride-along option
  • Reach the snorkel site by a short boat ride from shore

What's included

Included

  • Manta ray night snorkel or ride-along, based on selected option
  • Short-sleeve wetsuit top, mask, and snorkel; fins are not allowed

Not included

  • Towels
  • Hotel pickup and drop-off
  • Gratuities
  • Private tour
  • Private transportation

Ratings on each provider

The ratings and review counts each booking site shows for this tour.

Important information

  • Minimum age: 6; maximum age: 70
  • Maximum weight: 285 lb
  • All snorkel participants must know how to swim and tread water; snorkeling experience is required
  • Guests must be able to climb a metal ladder from the water onto the pontoon
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  • Minors must be accompanied by an adult at all times
  • A signed electronic waiver is required before the tour
  • Arrive by the scheduled check-in time for safety information and equipment fitting
  • Check in at the Snorkel Tour Check-in and Boutique in the courtyard behind Tropics, KTA, and Bianelli's, then travel to Keauhou Bay; rideshare guests should schedule two stops
  • No restroom facilities are available on the boat
  • Not recommended for guests with poor cardiovascular health, spinal injuries, neck or back problems, major medical conditions, or heart conditions
  • Guests should have moderate physical fitness and be able to follow safety instructions
  • This is an open-ocean nighttime experience and may not suit guests afraid of darkness, deep water, or large animals
  • Snorkel vests are provided for children 12 and under; vests are available to rent for other guests
  • Ride-along guests stay aboard the boat; this is a paid ticket with a reserved seat
  • Manta sightings are not guaranteed; no refunds are given if mantas are not seen
  • The crew may refuse service based on attire, behavior, physical fitness, or condition
  • Transportation is not provided

Frequently asked questions

How long is the tour?

The tour lasts 120 minutes, with snorkelers spending approximately 30 minutes in the water.

Are manta ray sightings guaranteed?

No. Manta rays are wild animals, and no refunds are given if they are not seen.

Can I join without snorkeling?

Yes. Choose a paid ride-along ticket to stay aboard the boat; sightings from the boat may be limited.

What is the minimum age?

Guests must be at least 6 years old, and minors must be accompanied by an adult.

What should snorkelers be able to do?

Snorkelers must know how to swim and tread water, have snorkeling experience, and be able to climb a metal ladder back onto the pontoon.

How this score is calculated

This score is based on one provider. Viator rates it 4.74 from 2,072 reviews. We place that rating among all Viator ratings and weight it by its review count. If the tour is found on another provider later, both ratings are combined.

How the score works and rating distribution in Big Island of Hawaii
  • Each provider rating is turned into a percentile: the share of that provider's ratings it beats, weighted by review counts.
  • Listings on different providers are combined in proportion to their review counts.
  • Tours with few reviews are pulled toward the average until more reviews come in, so a handful of perfect reviews can't top the list.
  • The result is shown from 0 to 10: this tour scores 6.5.

Provider rating distribution in Big Island of Hawaii

How many tours in Big Island of Hawaii have a provider rating at or below each value. The dashed line is this tour.

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