Snorkel Kealakekua Bay Near the Captain James Cook Monument
3 hours
Snorkel gear, snacks, beverages
Explore the protected waters of Kealakekua Bay near the Captain James Cook Monument. Snorkel with a professional guide and enjoy refreshments on board.
Cancel at least 24 hours before start for a refund minus a 6% transaction fee. Full refund if the operator cancels due to weather, insufficient passengers, or other unforeseen circumstances. No-shows are charged the full price.
Product ID: EUUSC9
Join if you weigh under 270 pounds. The tour is not suitable if you are pregnant or have neck, back, or other injuries. All minors must be accompanied by a paying adult supervisor.
Wear your swimsuit to the harbor and apply reef-safe sunscreen before you board. Bring a towel; a hat and sunglasses are also recommended. You can bring your own snorkeling gear if you prefer.
Bring your own waterproof camera, or rent a GoPro from the operator.
Boat ramp at Keauhou Small Boat Harbor, 78-7138 Kaleiopapa St, Kailua-Kona, HI 96740
Paddling into Kealakekua Bay, you feel the water shift from deep blue to a luminous aquamarine as the coral gardens come into view beneath the hull. The bay's sheltered cove holds some of the clearest snorkeling water on the Big Island, where schools of tropical fish drift alongside vibrant reef formations just below the surface. Kealakekua Bay carries equal weight as a place of history, marked by the white obelisk on the far shore that commemorates Captain James Cook. The combination of natural beauty and layered cultural memory gives this spot a quiet gravity that sets it apart from any other anchorage along the Kona Coast.
The crew makes all the difference here, and reviewers can't stop raving about the personable guides and captains who lead these tours. Jason gets particular love for his jokes and energy, while Carmelle earns praise for going above and beyond with booking logistics. The small group size (typically 10-12 people max) consistently impresses guests who appreciate the more intimate, less crowded experience compared to larger operators. Most tours focus on manta ray encounters and snorkeling at Captain Cook's monument, with guests reporting incredible wildlife sightings and clear waters. There are a handful of complaints worth noting. A few guests experienced last-minute cancellations due to weather or water conditions, which understandably frustrated travelers with tight schedules. One negative review claims their manta tour was "packed like sardines" near shore with no mantas, though this seems to be an outlier given the overwhelming number of guests reporting amazing manta encounters. The boat ramp can create delays at the end of tours, so build in some buffer time. The manta snorkel tours get consistent five-star enthusiasm from people calling it a "once in a lifetime" experience. Guides like Sara can even identify individual mantas by name, adding educational value. The operation feels well-organized with safety-focused staff who also know how to keep things fun and relaxed.
Best experience of my whole life. Got to see about 6 incredibly friendly manta rays they got super close to us, two even touched me!! Shoutout to Eliza, Alexis, Rachel, and Caleigh for making the experience even better with their jokes and fun facts. Wish it lasted 10 hours more!
Ana Gonzalez
September 2, 2026
Best experience of my whole life. Got to see about 6 incredibly friendly manta rays they got super close to us, two even touched me!! Shoutout to Eliza, Alexis, Rachel, and Caleigh for making the experience even better with their jokes and fun facts. Wish it lasted 10 hours more!
Ana Gonzalez
September 2, 2026
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