Thinking about exploring Hawaii’s underwater wonders? This snorkel cruise to Captain Cook’s Monument is one of those experiences that promises both adventure and relaxation. It’s a popular choice for travelers wanting to combine scenic sailing with vibrant reef snorkeling, and with a stellar 4.9-star rating from hundreds of reviews, it’s clear many find it worthwhile.
What we really like about this tour is how it balances a fun, laid-back boat ride with the chance to see some seriously impressive marine life, including schools of colorful fish and, seasonally, humpback whales. Plus, the crew’s friendliness and expertise keep the experience feeling safe and enjoyable. On the flip side, a few travelers note that space on the boat can be limited and that drinks other than soft drinks are extra, which is good to keep in mind.
This tour is best suited for those who love a combination of scenic sailing, snorkeling, and Hawaiian culture. If you’re comfortable on boats and want a well-organized, fun day out with lots of opportunities to see underwater wildlife, this trip might be right up your alley. It’s also a good pick for people seeking a shorter, straightforward excursion that’s easy to fit into a busy vacation schedule.
Key Points

- Well-rated experience: With a 4.9 rating from 235 reviews, most travelers find this tour memorable and fun.
- Includes snorkeling gear: All necessary equipment is provided, making it easy for beginners to enjoy.
- Beautiful snorkeling spots: Kealakekua Bay is renowned for its reef and marine life, plus chances to see dolphins and whales seasonally.
- Comfortable boat: The “HokuNui” vessel is new, clean, and well-maintained.
- Flexible cancellation: Can be canceled up to 24 hours in advance for a full refund, adding peace of mind.
- Good value: At $136 per person, it includes transportation, snacks, drinks, and guided snorkeling, making it a solid deal.
What to Expect on the Cruise

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The Meeting Point & Arrival
You’ll meet the crew at the Keauhou Bay Pier, where they’re easy to spot in grey shirts. Arriving a bit early is recommended, especially since parking can be sparse and the dock area can be crowded with other tour groups. Once onboard the “HokuNui,” you’re greeted by friendly staff eager to ensure everyone’s comfortable.
The Scenic Sail
Sailing along the Kona coast, you’ll enjoy views of ancient lava flows and rugged coastline. The boat ride itself is a highlight—smooth, comfortable, and perfect for taking photos or just kicking back with a tropical juice or a custom cocktail (available for purchase). Many reviewers mention how enjoyable the ride is, with plenty of space and well-maintained facilities.
Stops at Kealakekua Bay
The main event is snorkeling at Kealakekua Bay, home to the Captain Cook Monument. This spot is often praised for its crystal-clear water and vibrant reef. Many travelers, like Kelly, highlight how calm and full of fish the water was—”a great afternoon of snorkeling with an awesome crew.”
More Great Tours NearbyMarine Encounters
Expect to see schools of colorful fish, and depending on the season, you might get a glimpse of Hawaiian humpback whales (December through April). It’s not unusual for dolphins to swim alongside the boat, creating some unforgettable moments—several reviews mention dolphin pods and even sharks! Lifeguards are in the water to assist, and gear is provided to make snorkeling easy, even for first-timers.
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Food & Drinks
Snacks and tropical fruit juice are included, so you can refuel after your swim. For a more indulgent experience, you can purchase a cocktail from the onboard bar—most reviewers enjoy relaxing in the nets with a drink as the sea breeze washes over them. The crew also offers helpful tips and briefings for snorkeling, ensuring everyone’s safety and comfort.
Returning & Post-Tour
The trip wraps up after about 3 hours, leaving you with plenty of time to reflect on the day’s highlights or plan your next adventure in Kona. Many reviews, like those from Allison and Marty, rave about the friendly crew and the overall organization of the trip, making it a smooth, effortless part of their vacation.
The Value of This Snorkel Tour
Considering the $136 price point, it offers good value for a full three-hour cruise that includes transportation, guided snorkeling, and snacks. The reviews frequently mention how the boat is “nice,” “clean,” and “well-maintained,” which enhances the comfort of the experience. Plus, the inclusion of snorkeling gear, safety briefings, and assistance from crew members makes it accessible for first-timers and those less confident in the water.
Many travelers also appreciate the mix of scenic sailing and active snorkeling—it’s not just a boat ride, but a chance to actively interact with Hawaii’s marine life. The possibility of seeing whales or dolphins adds an extra layer of excitement, especially during seasonal months.
The Crew & Safety
Multiple reviews point out how helpful, friendly, and knowledgeable the crew is. From setting up gear to briefing about marine life, they make everyone feel secure and well cared for. The boat’s safety measures, like having lifeguards in the water, are comforting for those new to snorkeling.
Food & Beverages
Snacks and tropical juice are included, which is a nice touch after swimming or lounging. If you’re looking for a drink more than just soft drinks, you’ll want to budget extra for cocktails—many folks enjoy sipping on a Pina Colada or Mai Tai while relaxing on the nets.
Practical Tips for Booking & Preparing

- Arrive early: Parking can be limited, and the dock area gets busy.
- Bring essentials: Sunglasses, sun hat, swimwear, towel, camera, and comfortable clothes. Shoes are not allowed on the boat.
- Snorkeling gear: Provided, but you can bring your own if you prefer.
- Limit dry storage: Keep valuables and belongings in a small waterproof bag to avoid losing or damaging items.
- Seasonal considerations: Whale sightings are seasonal; if you’re visiting December through April, you might be lucky enough to see these majestic creatures.
Who Will Love This Tour?
This cruise is ideal for travelers who want a well-organized, friendly, and memorable day on the water. It suits those interested in marine wildlife, Hawaiian scenery, and cultural touches like Captain Cook’s monument. It’s accessible enough for first-timers but also engaging for seasoned snorkelers. If you’re traveling with those who prefer a relaxed pace with plenty of opportunities to learn and see wildlife, this tour will hit the spot.
If you’re seeking a more adventurous or exclusive experience, you might look elsewhere. But for most visitors wanting a trustworthy, fun, and scenic snorkel trip, this one offers a lot of bang for your buck.
Frequently Asked Questions
What is included in the tour price?
You get transportation by boat, a tour guide, snorkeling gear, light snacks, tropical juice, and soft drinks.
Are cocktails available on board?
Yes, you can purchase custom-made cocktails from the onboard bar, but they are not included in the price.
How long is the tour?
The trip lasts about 3 hours, generally in the afternoon.
Is this tour suitable for beginners?
Absolutely. The crew provides snorkeling tips and assists with entry and exit. Life jackets and floatation noodles are provided for safety and comfort.
What should I bring?
Comfortable shoes, sunglasses, sun hat, swimwear, towel, sandals, camera, and comfortable clothes. Shoes are not permitted on the boat.
Can I cancel if my plans change?
Yes, cancellations are free if made up to 24 hours in advance.
Are there any age restrictions?
Not specifically mentioned, but the tour isn’t suitable for wheelchair users, and children should be comfortable in the water.
Where do I meet the tour?
At the Keauhou Bay Pier, with crew members in grey shirts awaiting at the vessel “HokuNui.”
From Keauhou Bay: Snorkel Cruise to Captain Cook’s Monument
Final Thoughts
This snorkel cruise from Keauhou Bay to Captain Cook’s Monument offers a fantastic mix of scenic sailing, marine wildlife, and Hawaiian culture. It’s especially suited for travelers who value friendly guides, good value, and the chance to see Hawaii’s underwater treasures without too much hassle. The reviews consistently praise the crew’s professionalism and the boat’s comfort, making it a safe and enjoyable outing.
If you’re after a reliable, well-reviewed tour that combines stunning views with vibrant snorkeling, this trip is a solid choice. It’s a wonderful way to spend a few hours in Kona, reconnecting with nature and soaking up the aloha spirit.
Whether you’re an experienced snorkeler or a first-timer, this trip has enough highlights to make your day memorable—and the chance to spot dolphins or whales is just an added bonus. Just remember to arrive early, bring your sense of adventure, and get ready for a fun, laid-back day on the water.
You can check availability for your dates here:More Boat Tours & Cruises in Island Of Hawaii
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- Hilo: Humpback Whale-Watching Cruise with Snacks and Drinks
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More Island Of Hawaii experiences we've covered
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- Big Island: Evening Volcano Explorer From Kona or Kohala
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- Hawaii: Big Island Volcanoes Day Tour with Dinner and Pickup
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