Kailua Kona on the Big Island of Hawaii is a prime spot for marine-focused boat tours. The region’s clear waters, dramatic volcanic coastlines, and abundant marine life make it a magnet for those seeking unforgettable experiences at sea. Whether you’re eager to see manta rays glide beneath you on a night snorkel, spot whales during their seasonal migration, or enjoy a sunset cruise with stunning volcanic backdrops, Kona has a tour to match your interests.
In this guide, we’ll walk you through six top boat experiences in Kailua Kona, highlighting what makes each one special. From the intimacy of a small-group reef cruise to the thrill of a super raft sunset sail, you’ll find options suited for different budgets, time frames, and adventure levels. We’ll help you compare things like duration, inclusions, and overall value so you can pick the perfect ocean outing for your trip. Expect practical insights, honest evaluations, and plenty of tips to enhance your Kona boat adventures.
1. Kailua-Kona: Manta Ray Watching Nighttime Boat Trip

This nighttime boat trip (starting at around $90 per person for 2 hours) is a must-do if you want to see Kona’s famous manta rays in their natural habitat. The tour departs after sunset, when these gentle giants come close to the surface to feed on plankton attracted by underwater lights. The experience can be upgraded with a snorkel dive among these majestic creatures, making it a truly magical moment.
What sets this tour apart is the chance to witness manta rays so close you can almost reach out and touch them. The crew shares interesting facts about the rays’ behavior and the local marine environment, enriching the experience. The boat navigates away from the shore, giving you a better chance to see the stars and marine activity. Light snacks are provided, and the small group size often makes for a relaxed atmosphere.
Reviewers rave about the awe-inspiring nature of the encounter, with one describing it as “absolutely magical,” praising the safety, professionalism, and passion of the guides. While the meeting point can be a bit tricky, the detailed directions help. This tour is ideal for travelers who want a short, impactful experience with minimal physical effort.
Bottom Line: If witnessing manta rays up close in a safe, intimate setting appeals, this tour offers a memorable, high-value experience at a reasonable price.
2. Kailua-Kona: Whale Watching Cruise on the Big Island

From December through mid-April, the whale watching cruise (around $115 for 2.5 hours) becomes a top seasonal highlight. The journey takes you into the waters where humpback whales arrive after a 3,000-mile migration, offering a chance to see mothers and calves swimming together. Using a hydrophone, guides help you hear the haunting songs of these gentle giants.
What makes this tour stand out is the opportunity to get close enough to see whales breaching or spy their spouts from the boat. The guides are knowledgeable, eager to share insights, and happy to answer questions. Some reviews mention seeing whales and dolphins in close proximity, making it a visual and auditory feast.
Since whale season is limited, booking early is wise. This tour is best suited for nature lovers, families, and anyone eager for a peaceful, awe-inspiring experience. It’s a longer tour than many others, providing a deeper connection with Hawaii’s seasonal marine visitors.
Bottom Line: If you’re visiting between December and April, this cruise delivers a special chance to witness the majesty of humpback whales in their natural environment.
3. From Hawaii: Historical Dinner Cruise Tour to Kealakekua Bay

For travelers wanting a blend of history, scenery, and dinner, this 3-hour dinner cruise (around $201 per person) to Kealakekua Bay offers a unique cultural experience. The tour features a storytelling session from a historian guide, recounting the tales of ancient Hawaiian kings and the bay’s significance.
The cruise includes dolphin, turtle, manta ray, and seasonal whale sightings, adding to the excitement. As you enjoy a delicious island-style meal with live traditional music, the boat gently cruises along the coast, with spectacular views of the sunset over the water. A complimentary cocktail adds to the relaxed vibe.
This tour’s key strength is the storytelling aspect combined with scenic beauty. Some guests find the dinner option somewhat limited considering the price, but most agree the entertainment and historical insights make up for it. It’s best suited for those interested in island history, culture, and a more leisurely pace.
Bottom Line: If you want an elegant evening with educational storytelling and scenic views, this cruise offers great value combined with cultural depth.
4. Kailua-Kona: Captain Cook Reef Catamaran Day Trip with Lunch

This day trip (starting at $94 per person for 4 to 4.5 hours) on a catamaran is a wonderful way to discover Kealakekua Bay’s vibrant marine life. It includes a tasty lunch of sandwiches and fruit, served while you cruise along the coast. The tour features a snorkeling stop at the Captain Cook Monument, where you can spot colorful tropical fish, coral, and possibly sea turtles.
What makes this trip appealing is the combination of scenic sailing and underwater exploration. The crew is friendly and attentive, and the boat’s stability makes for a comfortable ride. The included snacks, drinks, and the well-organized schedule make for a hassle-free day.
One reviewer called it an “amazing experience,” highlighting the friendly staff and the opportunity to see marine life close up. The tour offers good value for those who want to combine a scenic cruise with snorkeling.
Bottom Line: Perfect for snorkelers who want to see Kealakekua Bay and enjoy a relaxing day on the water with a quality lunch included.
5. Kailua-Kona: Catamaran Cruise with Hualālai Volcano Views

This short, 1.5-hour cruise (around $116 per person) offers a quick but scenic escape along Kona’s coast. It’s perfect for those who want a relaxing sail with fantastic views of the Hualālai volcano. The boat is equipped with spacious decks, and you can enjoy drinks like soda, juice, and water while taking in the scenery.
The main attraction is the impressive volcanic landscape viewed from the water, with some wildlife spotting possible — such as sea birds or dolphins. The staff is friendly, and the trip’s short duration makes it suitable for travelers with limited time or wanting a lighter activity.
While not as comprehensive as longer cruises, this offers a peaceful, scenic experience with a focus on the natural beauty of Kona’s coastline. It’s best suited for those with a limited schedule or seeking a quick scenic tour.
Bottom Line: If you’re after a brief, scenic cruise with volcanic views and light refreshments, this short ride hits the spot.
6. Big Island: Kona Super Raft Sunset Cruise

For a fun, lively evening, the Kona Super Raft Sunset Cruise (about $138 for 2.5 hours) combines a dinner, sunset, and marine wildlife spotting. This luxury super raft brings a touch of adventure, zipping along the Kona coast just before dusk.
The trip includes one of three dinner options, allowing some personalization. The guides are praised for their knowledge and enthusiasm, making the trip feel both educational and entertaining. Expect to see dolphins, stingrays, whales, and possibly rock jumpers if conditions permit.
Reviewers often note how they felt like VIPs with the boat’s intimate size and attentive crew. It’s best suited for those looking for a high-energy, fun evening at sea with a good dose of marine wildlife excitement. The sunset views over the volcanic coastline are a highlight.
Bottom Line: This cruise offers a lively, engaging way to end a day in Kona with good food, wildlife, and spectacular sunset scenery.
How to Choose Your Kona Boat Tour
Picking the right boat experience depends on your interests and your schedule. If your main goal is to see manta rays or whales, focus on the first two options—they’re highly specialized and very memorable. For a mix of culture and scenery, the dinner cruise offers both history and a relaxing atmosphere. Want to snorkel? The Captain Cook reef trip combines underwater adventure with scenic beauty. Short on time but want volcanic vistas? The Hualālai catamaran provides a quick scenic escape. And for a lively evening, the super raft sunset cruise hits all the fun marks.
Booking early is advisable, especially during peak whale season or holidays. Consider weather, your physical comfort level (some tours involve snorkeling or boat movement), and your specific interests in marine life or cultural history.
Final Thoughts
Kailua Kona’s boat tours span a wide range of experiences. For a truly awe-inspiring encounter, the night manta ray trip is tough to beat. If you’re visiting during whale season, the whale watching cruise offers a chance to witness gentle giants in their natural habitat. For a blend of history, scenery, and dining, the Kealakekua Bay dinner cruise provides a cultural twist. Snorkeling fans will appreciate the Captain Cook reef trip, while those short on time can enjoy the quick scenic Hualālai cruise. And if you’re after an energetic, wildlife-rich evening, the super raft sunset cruise delivers.
No matter which option you choose, these boat trips promise a memorable way to experience Kona’s stunning marine and volcanic environment. Just remember to book early, wear reef-safe sunscreen, and bring your sense of adventure—Hawaii’s waters won’t disappoint.