Kailua Kona: Night Manta Ray Snorkel Tour & Light Boards

Summary

Swim with manta rays in Kona’s glowing waters after dark

You’ll slip into Kona’s night waters with expert guides and float above glowing manta rays as they swoop beneath you — so close you might forget to breathe for a second. This tour includes all your snorkel gear, wetsuit, and a custom light board for prime viewing, plus stories from locals who really care about these animals.

What’s the experience like?

We’d barely zipped up our shorty wetsuits at Honokohau Harbor when the sky started going that deep blue you only get on the Big Island. Our guide, Keahi, handed me my mask and grinned — “You ready to meet some locals?” I was nervous, honestly. The boat ride out was quick, maybe fifteen minutes, but I kept fiddling with my fins while Keahi pointed out lava fields along the coast. There was this salty wind that made my hair stick everywhere, and someone behind us cracked a joke about being manta bait. No one really laughed until we saw the lights flicker under the water.

Getting into the water felt weirdly calm — not cold exactly, just that soft Pacific hug around your arms and legs. The crew set us up with these floating light boards (I didn’t expect them to be so bright), and suddenly there were shapes moving below us. First just shadows, then these huge manta rays looping right underneath. You can hear your own breathing through the snorkel and nothing else — it’s sort of eerie but peaceful too. Our in-water guide floated nearby and whispered facts about how each ray has its own belly pattern, like fingerprints. I tried to remember their names but mostly just stared as one glided up so close I could see its mouth open wide for plankton. It’s hard to explain how big they are until you’re right there.

I still think about that moment when everything went quiet except for the rays moving in slow circles under our lights — almost like they were putting on a show just for us. On the way back, everyone was shivering a little but smiling in that dazed way you do after something real happens. Keahi poured us hot tea from a battered thermos and told stories about growing up here; his hands moved fast when he talked about respecting the ocean. We stumbled off the boat a bit clumsy but happy — I guess you always feel lighter after swimming with giants.

Step-by-step itinerary

Day 1 — Manta Ray Snorkeling Experience

• Check in at Honokohau Harbor
• Get fitted with wetsuit
• Board USCG documented vessel
• Enjoy 15-20 minute boat ride
• Listen to captain and guide narration
• Enter water with crew assistance
• Snorkel with giant manta rays
• Hold onto floating light board
• Learn about manta rays and wildlife
• Receive personal attention and gear

Top questions

Do I need previous snorkeling experience for this Kona manta ray tour?

Yes, prior swimming and snorkeling experience is required for this activity.

Where does the manta ray snorkel tour depart from?

The tour departs from Honokohau Small Boat Harbor on the north side of Kailua Kona.

Is equipment provided on the night manta ray snorkel?

Yes, wetsuit and snorkel gear are included for all guests.

How long is the boat ride to the manta site?

The boat ride takes approximately 15-20 minutes from the harbor to the snorkel site.

Are lifejackets available if needed?

Yes, guests can request lifejackets by contacting the reservation line before their tour.

Can pregnant travelers join this tour?

No, this activity is not recommended for pregnant travelers.

If no manta rays appear during my trip, do I get a refund?

No refunds are given if mantas aren’t seen; however, you may rebook another night for a fee if space allows.

What’s included

Your evening includes check-in at Honokohau Harbor with wetsuit fitting, all snorkel equipment provided, guidance from licensed in-water crew throughout your swim with manta rays under custom light boards, plus personal attention and extra flotation if you want it before returning to shore together.