🌙 Big Island Adventure • Updated August 2026

Manta Ray Night Snorkel: Big Island's Bucket-List Experience

Swim with gentle giants under the stars

Floating in the dark Pacific as giant manta rays glide inches beneath you—their wingspans reaching up to 16 feet—is one of Hawaii's most surreal experiences. The Big Island's manta ray night snorkel consistently ranks as the #1 activity visitors recommend.

This guide covers what to book and what to expect — starting with the short answer.

The verdict: which manta tour to book

Book the night snorkel. For most visitors the best pick is a clean, small-boat night snorkel off the Kona Coast — no certification, you float at the surface over the lights, and the mantas loop right beneath you. Our default recommendation is the Night Manta Ray Snorkeling Tour by Kona Snorkel Trips (from $139) — a straightforward, pure night snorkel at a mid-range price.

Book scuba instead only if you're already dive-certified and want to be down in the light show, looking up at the mantas silhouetted against the lights. Most visitors should snorkel.

A manta ray with its mouth wide open feeds directly beneath a lit white flotation board while snorkelers' legs and fins float at the surface, small silvery fish darting through the light

🌙 Night Manta Ray Snorkel — Kona Snorkel Trips

Our default pick · from $139 · no certification needed

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🌙 Quick Facts

Location: Kona Coast, Big Island
Duration: 2-3 hours (depart at sunset)
Best season: Year-round (mantas are resident)
Success rate: 90%+ manta sightings
Requirements: Basic swimming ability, comfort in dark water

What Is the Manta Ray Night Snorkel?

Each night, operators set up floating lights that attract plankton—manta rays' primary food source. Snorkelers hold onto a flotation board and look down as mantas perform acrobatic loops just below, scooping plankton with their massive mouths open.

Unlike swimming with sharks or dolphins, you don't chase the mantas. They come to you, drawn by the plankton buffet. Many rays pass within arm's reach (though touching is prohibited).

Dusk aerial view of the Kona Coast mooring site: a scattered fleet of small boats with blue and green underwater lights glowing beneath them, and a lit shoreline resort on the rocky point

What to Expect

Before the Dive

In the Water

A manta ray banks overhead seen from below, its pale underside showing the dark spot pattern used to identify individuals, gill slits open and cephalic fins curled

Manta Behavior

Mantas are gentle filter feeders with no teeth or stingers. They're curious and often approach snorkelers closely. On good nights, you might see 5-15 different mantas; some regular visitors have names and are recognized by their unique belly patterns.

🌙 Book Your Manta Experience

Night Manta Ray Snorkel · Kona Snorkel Trips · from $139 · no certification needed

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Snorkel vs. Scuba

Both put you in the water with the mantas at the lights — the difference is where you are and whether you need a dive certification.

OptionPriceWhat you actually doBest forWho should skip
Snorkel
(the default)
~$139–189 Float at the surface holding a lit board, looking down as mantas loop beneath you. No certification. First-timers, families, anyone not dive-certified — most visitors. Certified divers who specifically want bottom time.
Scuba ~$200–265 Kneel on the sea floor (~30 ft) looking up at mantas silhouetted against the lights. Certification required. Already-certified divers who want the up-looking view + longer bottom time. Anyone without an open-water cert (most visitors) — you can't do this tour.

Honest take: scuba requires open-water certification, which most visitors don't have — and the surface snorkel view of mantas feeding at the lights is excellent. Unless you're already a certified diver, book the snorkel.

Tips for the Best Experience

Choosing an Operator

Key factors to consider:

Want to see specific operators side by side? Compare more operators →

Every Kona manta operator we book

The tours below are the full set of Kona manta ray departures bookable through this site, sorted by starting price. Every price was read from the operator's own live calendar on 2026-08-21 and is the first paying customer type that operator lists — child, ride-along and certified-diver tiers differ and are shown on the operator's booking page. Private charter is a whole-boat price, not per person.

OperatorTourFromBook
Kona Style Late Night Manta Ray Snorkel $109
per adult
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My Kona Adventures Manta Ray Night Snorkel $115.54
per person
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Hawaii Island & Ocean Tours Manta Ray Moonlight Night Snorkel in Keauhou - Kona $118
per guest
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Aloha Ocean Excursions Manta Rays Night Snorkeling Tours $123
per adult
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Coral Reef Snorkel Adventures Manta Ray Night Snorkel $125
per person
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Iruka Kona Manta Ray Night Snorkel $125
per adult (confident swimmer)
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Hang Loose Boat Tours LLC Manta Ray Night Adventure $125
per adult
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Snorkeling in Kona Manta Ray Night Snorkel Maheli Heli $125
per adult
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Hawaii Marine Life LLC Sunset Manta Ray Snorkel $130
per adult
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Ocean Encounters Manta Ray Night Snorkel OE1 $130
per adult
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Ocean Encounters Manta Ray Night Snorkel OE2 $130
per adult
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Kona Style COMBO: Sunset and Manta Ray Snorkel $135
per adult
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Sea Quest Hawaii Night Manta Experience $135
per person
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Snorkel Big Island Honokohau Manta Ray Night Snorkel $137
per passenger
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Hawaii Oceanic Manta Magic $139
per person
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Mid-Pacific Tours Manta Ray Night Snorkel Check Availability Check Availability
Kona Ocean Adventures Majestic Manta Rays Snorkel/ 1-Tank Scuba Dive Adventure $210
per adult snorkeler
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Kona Ocean Adventures Late Night Majestic Manta Ray Snorkel $210
per adult snorkeler
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Kona Ocean Adventures Afternoon Reef & Manta Snorkel/2-Tank Scuba Adventure $265
per adult snorkeler
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Captain Chad's Charters Manta Ray Experience Private Boat $1,050
per private charter
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FAQs

Is it safe?

Yes. Manta rays have no teeth, stingers, or barbs. They're gentle plankton feeders. The biggest risk is sunburn from earlier in the day!

Can non-swimmers participate?

You need basic swimming ability and comfort floating in deep, dark water. Some operators offer flotation devices for nervous swimmers.

What if no mantas show up?

Most operators offer a free rebooking or partial refund. Sighting rates are 90%+, and multiple sites can be tried if one is quiet.

Best time of year?

Mantas are year-round residents. Summer offers calmer waters; winter brings whale sightings on the boat ride.

Bottom Line

The manta ray night snorkel is genuinely magical—one of those rare experiences that exceeds the hype. Floating in darkness as these gentle giants glide beneath you creates memories that last a lifetime.

Kona Snorkel Trips' blue rigid inflatable boat Orca moored at a calm harbour in daylight, with padded bench seating, an overhead canopy, and palm trees and moored yachts behind

Ready to go? Book the night snorkel most visitors should book:

🌙 Night Manta Ray Snorkel — Kona Snorkel Trips

Our default pick · from $139 · no certification needed

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