Snorkel at night and watch manta rays feed under the lights
50 minutes from start to finish; which includes 25-30 minutes of water time.
Up to 12 people
Snorkel gear, noodles, floats
Head out from Keauhou Harbor for a guided night snorkel where lights draw plankton and manta rays to the surface. Float on a support device and watch the action below.
You must be an experienced swimmer and have basic snorkeling experience; no snorkeling lessons are provided. Wetsuits are available to rent, and some bookings may have a $10 wetsuit fee and a $30 per person re-ride fee if there are no manta ray sightings—clarify what applies with Greetwell before booking. The boat has no bathroom and limited space; large backpacks or bags are not allowed.
Full refund (minus online booking fee) with 48 hours notice. Full refund if the operator cancels due to weather or other unforeseen circumstances. No-shows are charged full price. No refunds if there are no manta ray sightings.
Yes. You must be an experienced swimmer and have basic snorkeling experience. You also need to be able to keep afloat, tread water, and float on your own without a floatation device. No snorkeling lessons are provided.
Arrive on time. If you fail to arrive on time, you will not be able to participate, and there are no refunds or re-ride options.
No. Do not consume alcohol or illegal drugs before check-in. If you arrive appearing under the influence, you will be refused boarding and you will not receive a refund.
Keauhou Harbor
Manta ray night snorkeling here consistently earns rave reviews, with guests regularly spotting anywhere from 3 to 11 rays swimming within arm's reach. The crew, including guides like Taco, Jacob, Peyton, and Captain Koa, bring genuine enthusiasm and expertise to every tour, sharing fascinating details like the fact that each ray has a unique spot pattern and a name the guides know personally. The operation runs smoothly and punctually, and the staff earns frequent praise for making nervous first-timers feel comfortable in the water. Families with kids, solo travelers, and large groups all report great experiences. The water is cold, so renting a wetsuit is worth considering. Beyond that, there's very little to fault here. Nearly every reviewer calls this a trip highlight, and many say it was the best experience of their entire Hawaii vacation.
Bucket list type experience. Staff were friendly, funny, and accommodating. It's a short boat ride and a few paddles to the action. You get a really good, clear view of the manta rays and they get really close. It's a little intimidating at first but super cool and amazing once you're used to the gental critters reverse dive bombing you :) 10/10 would recommend. This was a highlight of our trip across 4 islands and 2 weeks in Hawaii
Emerson Samfilippo
May 23, 2026
Bucket list type experience. Staff were friendly, funny, and accommodating. It's a short boat ride and a few paddles to the action. You get a really good, clear view of the manta rays and they get really close. It's a little intimidating at first but super cool and amazing once you're used to the gental critters reverse dive bombing you :) 10/10 would recommend. This was a highlight of our trip across 4 islands and 2 weeks in Hawaii
Emerson Samfilippo
May 23, 2026