Kailua Kona on the Big Island of Hawaii is a prime spot for marine excursions because of its clear waters, abundant sea life, and scenic coastlines. The area’s unique geography creates ideal conditions for watching manta rays, humpback whales, dolphins, and other marine creatures. Whether you’re interested in a nighttime manta ray experience, a whale watching cruise, or a relaxing daytime sail, Kailua Kona offers a variety of options that highlight the region’s natural beauty. Each tour blends adventure with education and often includes onboard amenities like snacks, dinner, or live entertainment, making it a memorable part of your Hawaii trip.
If you’re wondering which tour best fits your interests and schedule, this guide compares the six best cruises and boat tours, providing detailed insights to help you make an informed choice. Whether you prefer a small-group snorkel adventure, a luxury sunset cruise, or a history-themed dinner journey, you’ll find something that aligns with your desires.
1. Kailua-Kona: Manta Ray Watching Nighttime Boat Trip

At number 1, the Kailua-Kona: Manta Ray Watching Nighttime Boat Trip offers a magical experience for those eager to see one of Hawaii’s most unique creatures. This tour, rated 4.8/5 with 355 reviews, typically lasts about 2 hours. The trip departs after sunset, sailing out from Kona’s coast, where you’ll learn interesting facts about manta rays from friendly guides. The highlight is the chance to snorkel with these gentle giants—massive, graceful creatures that often come within inches of you as they feed and glide beneath the boat.
What makes this tour stand out is the combination of educational commentary and the chance to swim with manta rays. The crew is known for being knowledgeable and attentive, making even nervous swimmers feel safe. Many reviewers mention how awe-inspiring it is to see manta rays so close, often floating just inches away. Light snacks are included, and the tour is perfect for those who want a memorable night adventure, especially if you’re comfortable in the water.
Bottom line: This tour is ideal for travelers seeking a nighttime marine encounter with the chance to snorkel among Hawaii’s iconic manta rays. It’s a favorite for its safety, personal touch, and unforgettable sights.
2. Kailua-Kona: Whale Watching Cruise on the Big Island

Number 2 on our list is the Kailua-Kona: Whale Watching Cruise, rated 4.8/5 with 239 reviews. This 2.5-hour trip is especially appealing from December through mid-April, when humpback whales migrate to Hawaiian waters to breed and calve. The tour features live whale songs via hydrophone, giving you a chance to hear the whales’ haunting calls. You’ll also get close views of mothers and calves swimming together, and many reviews mention spectacular breaching displays that are simply breathtaking.
The guides are praised for their enthusiasm and knowledge, helping visitors understand whale behavior and conservation efforts. The tour is suited for families and wildlife lovers who want a shorter, focused experience with a high chance of seeing these giants in action.
Bottom line: If you’re visiting during whale season, this cruise offers an up-close, educational look at humpbacks and the chance to witness spectacular breaches. It’s a top choice for nature enthusiasts.
3. From Hawaii: Historical Dinner Cruise Tour to Kealakekua Bay

Number 3 is the Historical Dinner Cruise to Kealakekua Bay, rated 4.8/5 from 190 reviews. This 3-hour journey combines Hawaiian storytelling with a scenic cruise, making it perfect for history buffs and those wanting a relaxing evening. As you cruise toward Kealakekua Bay, a guide recounts tales of ancient Hawaiian kings and legendary figures, enriching your understanding of the islands’ past.
The trip offers dolphin, turtle, manta ray, and seasonal whale sightings, adding a layer of excitement. Dinner is served onboard, with a plate of island-style food and a complimentary cocktail, while live traditional music sets a festive mood. Many reviewers highlight the crew’s friendliness and the stunning sunset views** over the bay.
Bottom line: This dinner cruise is ideal if you want to combine Hawaiian history, scenic vistas, and good food in a comfortable setting. It’s especially suited for travelers interested in cultural stories and a leisurely evening.
4. Kailua-Kona: Captain Cook Reef Catamaran Day Trip with Lunch

Number 4, the Captain Cook Reef Catamaran Day Trip with Lunch offers a rewarding 4 to 4.5-hour experience. This trip features a scenic cruise around Kealakekua Bay with a focus on snorkeling and marine life. The highlight is the visit to the Captain Cook Monument, where James Cook famously died, giving the tour a historic touch.
Guests rave about the fresh lunch—including sandwiches and fruit—served onboard, which makes this a well-rounded outing. The optional snorkeling stop offers a chance to see corals, tropical fish, and perhaps even some dolphins or turtles. Many reviews mention the attentive crew and good organization, though some note the meeting point can be a bit confusing.
Bottom line: Best suited for those wanting a combination of history and snorkeling in a longer, relaxed trip with a tasty lunch included.
5. Kailua-Kona: Catamaran Cruise with Hualālai Volcano Views

The Catamaran Cruise with Hualālai Volcano Views, rated 5/5 from just 3 reviews, is a short but scenic 1.5-hour ride. This cruise offers a relaxing sail along Kona’s coast, with impressive views of Hualālai volcano’s slopes. It’s perfect for those looking for a brief, scenic escape with minimal time commitment.
Passengers can enjoy drinks like soda, juice, and water while sunbathing or observing dolphins and seabirds. Many reviewers praise the friendly crew and the comfortable boat, making it a good choice for a quick, peaceful outing, especially if you want to combine it with other activities.
Bottom line: An ideal choice for travelers craving a short, scenic cruise with great views of the volcano and an easygoing vibe.
6. Big Island: Kona Super Raft Sunset Cruise

Finally, at number 6, the Kona Super Raft Sunset Cruise, rated 5/5 from 2 reviews, offers a luxury-style sunset sail aboard a super raft. This 2.5-hour tour combines a scenic sunset with the chance to see dolphins and other marine life. Many travelers appreciated the personal attention—they were among only three people on their trip—and the knowledgeable crew.
A highlight is the dinner option, with three choices, making it suitable for a relaxing, intimate experience. The reviews mention how memorable the sunset views are, and the boat’s luxury amenities add to the appeal.
Bottom line: Best for travelers seeking a luxury, small-group sunset experience with dinner included, perfect for a romantic or special occasion.
How to Choose Your Perfect Kona Boat Tour
When deciding among these options, consider your budget, interests, and time. For a once-in-a-lifetime night encounter with manta rays, the night manta ray trip is unmatched. If whales are your focus and you’re visiting in season, the whale watching cruise offers a high chance of seeing these gentle giants.
For a cultural experience, the dinner cruise to Kealakekua Bay combines storytelling with scenic views, while the Captain Cook Reef Catamaran provides a blend of history and snorkeling. The shorter Hualālai volcano cruise is perfect for a quick scenic outing, and the luxury sunset raft caters to those seeking a more intimate, elegant experience.
Final Thoughts
Kailua Kona offers a range of boat tours suited to different tastes and schedules. For adventure and marine encounters, the manta ray night tour and whale watching cruise are standout options. History lovers will enjoy the dinner cruise that combines storytelling and scenic vistas. Meanwhile, for a quick scenic escape, the Hualālai volcano cruise and luxury sunset raft provide relaxing, memorable experiences.
Booking early is advisable, especially during peak whale season and holiday periods, to secure your preferred time and tour. Each of these experiences offers a unique way to see the beauty and wonder of Hawaii’s waters, making your trip to Kailua Kona truly unforgettable.