Big Island of Hawaii stands out as a prime destination for cruise and boat tour enthusiasts, thanks to its dramatic coastlines, crystal-clear waters, and abundant marine life. Unlike other islands that may focus on scenic views or cultural sites, Big Island offers a compelling mix of underwater adventures, wildlife sightings, and scenic sailing—all accessible by boat. Whether you’re seeking an up-close encounter with dolphins and turtles, a sunset cruise with whale watching, or a private charter for a tailored experience, the options available are impressively diverse and well-rated. Many tours include snorkeling gear, meals, and expert guides, ensuring you get maximum value while avoiding the hassle of planning every detail.
For those considering a boat tour in Big Island, it’s worth noting that the best experiences tend to be full of lively marine encounters and scenic vistas, with some tours rated at a perfect 5.0/5. To help you decide, we’ve compiled a list of the 15 best cruises and boat tours, detailing what makes each unique and what type of traveler it suits best. Whether you’re a family, a solo traveler, or celebrating a special occasion, you’ll find options that match your interests and budget.
Quick Overview
Our list features a variety of experiences, from deluxe snorkeling adventures aboard luxury catamarans, like Deluxe Snorkel & Dolphin Watch Aboard a Luxury Catamaran from Kailua-Kona, to scenic sails with guided commentary at Afternoon Sail & Snorkel to the Captain Cook Monument. For those looking for family-friendly options, the Big Island Snorkel Cruise from Waikoloa offers a relaxed, all-inclusive day. Meanwhile, private charters such as Luxury Private Boat Charter in Big Island Hawaii provide exclusive, customizable experiences perfect for special occasions. And for a unique twist, the Glass-Bottom Boat Reef Tour offers a no-swim marine exploration, ideal for non-swimmers or those with limited mobility.
1. Deluxe Snorkel & Dolphin Watch Aboard a Luxury Catamaran from Kailua-Kona
This luxury snorkel and dolphin watch cruise is a standout because it combines the chance to see dolphins and marine mammals with the comfort of a well-appointed vessel. For about four and a half hours, you’ll cruise through protected sanctuaries teeming with life, jump in for about two hours of snorkeling, and relax with a cocktail from the premium cash bar. The tour includes an island-style breakfast, BBQ lunch, and all gear, making it great value at $189.19 per person. The crew gets high praise, with reviews highlighting the friendly atmosphere and excellent food.
Bottom line: Perfect for those who want a luxurious, all-inclusive experience with optimal marine wildlife spotting and good food in a comfortable setting.
2. Afternoon Sail & Snorkel to the Captain Cook Monument
This afternoon sail is tailored for those who want a scenic boat ride combined with vibrant snorkeling in Kealakekua Bay. For around three hours, you’ll sail past ancient lava flows and lush cliffs, then snorkel at the famous Captain Cook Monument, where clear waters reveal schools of fish and coral. The trip costs $136.19 per person and includes snorkel gear, reef-safe sunscreen, and guided commentary. Reviewers often mention the attentive crew and the peaceful, private feel of the trip.
Bottom line: A fantastic choice for travelers wanting a half-day scenic adventure with quality snorkeling and a focus on natural beauty.
3. Kealakekua Snorkel and Sail Adventure
Starting with a luxurious morning sail aboard a 50-foot catamaran, this Kealakekua snorkel and sail adventure offers both comfort and activity. It features multiple amenities, like shaded cabins and splash nets, plus a continental breakfast and the option to build your own sandwich after snorkeling. You might spot dolphins or seasonal whales, with the crew sharing Hawaiian culture and history along the way. The tour is priced at $177.65 per person and boasts enthusiastic reviews, with one stating, “Incredible experience. The staff was so helpful and friendly.” It’s best suited for those wanting a fuller, more relaxed morning on the water with a good chance of wildlife sightings.
Bottom line: Ideal for travelers seeking a luxurious, cultural, and wildlife-focused experience in a spacious setting.
4. Deluxe Sail & Snorkel to the Captain Cook Monument
This deluxe sailing trip takes you to two top snorkeling sites: the area beneath Captain Cook’s Monument and Red Hill’s underwater lava formations. The four-and-a-half-hour cruise provides breakfast and lunch, with all snorkel gear included and the guides offering fish ID charts and tips. It’s a flexible tour that focuses on coastline views, marine wildlife, and underwater landscapes. Reviewers praise the immaculate boat and attentive crew, noting that the vessel’s steps into the water are easy to use.
Bottom line: Best suited for snorkelers who want a full experience of top sites with excellent amenities and knowledgeable guides.
5. Deluxe Sail & Snorkel to the Captain Cook Monument
This comprehensive sail and snorkel from Keauhou Bay offers three snorkeling stops, including the classic Captain Cook site and Red Hill lava formations. It’s a bit longer—about four and a half hours—and includes breakfast, lunch, and snorkel gear. The tour emphasizes marine life education, with fish identification and the chance to see dolphins. The reviews are glowing, especially noting the easy access ladder into the water and the friendly crew. It’s perfect for families or snorkelers wanting multiple stops and thorough guides.
Bottom line: Ideal for those wanting a full-day, multi-site snorkeling adventure with informative guides and quality food.
6. Glass-Bottom Boat Reef Tour
If you prefer to stay dry but still see the marine world, this glass-bottom tour offers a 50-minute ride over Kailua Bay. The boat is specially designed to glide over reefs, revealing colorful fish, turtles, dolphins, and possibly whales. The narration by a naturalist enhances the experience, making it perfect for families or those less comfortable in the water. It’s affordable at $71 per person and receives praise for its informative and lively guides.
Bottom line: Excellent for non-swimmers or families wanting a quick, educational glimpse of Hawaii’s underwater life.
7. Big Island Snorkel Cruise from Waikoloa
This snorkeling cruise offers a relaxed, all-inclusive day on a comfortable catamaran, perfect for families or casual snorkelers. It lasts about three hours and includes gear, instruction, snacks, and unlimited drinks—beer, wine, and soft drinks. Travelers often mention the beautiful coastal scenery and the chance to see baby dolphins. It’s priced at $185 per person, providing good value for a guided, beginner-friendly experience.
Bottom line: Well-suited for those seeking a short, all-inclusive, family-friendly cruise with opportunities to explore Hawaii’s marine life.
8. Pau Hana Sunset Cocktail Cruise
This sunset cocktail cruise offers a relaxed vibe along the Kohala Coast, with unlimited drinks and a tasty snack buffet. Cruises are scheduled for sunset, providing great photo opportunities of the volcanic landscape and the twilight horizon. It’s a 2-hour experience costing $165 per person, perfect for romantic evenings or unwinding after a day of sightseeing. Reviewers love the friendly crew and the intimate atmosphere.
Bottom line: Best for those wanting a casual, scenic experience with a focus on relaxation and sunset views.
9. Luxury Private Boat Charter in Big Island Hawaii
For ultimate exclusivity, this private charter offers a fully customizable 4-hour experience. You choose the activities—snorkeling at Kealakekua Bay, dolphin watching, or just relaxing—while a knowledgeable captain guides the trip. The boat is a high-end vessel with comforts like private changing rooms and fresh-water showers. The cost is $1,200 per group, but reviews highlight the personalized service and flexibility. It’s perfect for special occasions or those who want complete control over their day.
Bottom line: Ideal for travelers seeking a bespoke, luxurious experience with complete privacy and tailored activities.
10. Pau Hana Sunset Cruise with the Whales
This whale and sunset cruise is a 2-hour trip that combines the magic of whale watching (during season) with an unforgettable sunset. It offers unlimited beverages and snacks, with the added thrill of listening to whale songs through an underwater hydrophone. At $165 per person, it’s perfect for those wanting a romantic or family-friendly evening. Reviewers note the friendly crew and the chance to see humpbacks and the green flash.
Bottom line: A great choice for seasonal whale watchers and sunset lovers.
11. Luxury Hawaiian Sea Turtle, Dolphin Sail and Kona Snorkel
This luxury small-group outing combines snorkeling, swimming, and dolphin encounters in a high-end yacht setting. It features private changing rooms, water showers, and includes a picnic or Bento lunch. At $506.94 per person, it’s a splurge, but reviews underscore the personalized attention and quality gear. It’s perfect for those seeking a luxury, intimate experience with a focus on marine life like turtles, dolphins, and whales.
Bottom line: Best suited for travelers craving a premium, small-group adventure with top-tier amenities.
12. Kona Coastline Escape: Sail with Dolphins & Turtles on Honi Olani
This short sail is about 90 minutes of relaxing sightseeing along the Kona coastline. With opportunities to see marine wildlife like dolphins and turtles, it’s ideal for travelers with limited time or those who want a gentle, scenic cruise. The crew provides soft drinks and the boat is very comfortable, with a review mentioning the relaxing atmosphere.
Bottom line: A good quick option for relaxing, wildlife viewing without the commitment of a longer tour.
13. Hilo Cruise Ship Excursion: Volcanoes National Park Rainbow Falls
Perfect for cruise passengers, this Hilo shore excursion combines Rainbow Falls and Volcanoes National Park visits in just over four hours. It includes port pickup and drop-off, making it convenient. The tour covers Mauna Loa and Kilauea, with stops at steam vents and the park’s visitor center. Reviewers highlight the fabulous guide and the ability to see volcanoes shortly after eruptions.
Bottom line: Excellent for cruise travelers wanting a short, informative tour of Hawaii’s volcanic landscape.
14. Private Charter: Customizable Big Island Boat Adventure
This custom private charter offers full flexibility—snorkeling, dolphin or whale watching—based solely on your preferences. The professional captain helps tailor the experience, and the boat can accommodate your group comfortably for around four hours at $1,882. Reviews mention how helpful and accommodating the crew is, and how well the boat is suited for snorkeling and wildlife encounters.
Bottom line: Best for groups seeking a personalized, luxurious outing with the ability to design their perfect day.
15. Sunset Cruise & Manta Night Snorkeling Charter
Offering an unforgettable night experience, this private Manta ray snorkeling charter is a once-in-a-lifetime event. It includes sunset cruising and night snorkeling with manta rays in a small group of up to six people, costing $990. Guests rave about the intimate setting and the chance to see graceful manta rays glide beneath the boat in the dark.
Bottom line: Perfect for romantic couples or small groups wanting to combine sunset views with spectacular manta ray encounters.
How to Choose Your Perfect Big Island Boat Tour
When selecting from these options, consider your budget, time constraints, and what you most want to experience. If marine wildlife like dolphins, whales, or turtles is your priority, tours such as Luxury Private Boat Charter or Luxury Sea Turtle, Dolphin Sail offer intimate encounters. For those with limited time, the Hilo Volcanoes National Park tour is a quick way to see volcanic wonders.
Budget-conscious travelers might prefer the Glass-Bottom Boat Reef Tour or the Big Island Snorkel Cruise from Waikoloa, which provide value and easy access. For a romantic sunset, the Pau Hana Sunset Cocktail Cruise or Whale Watching Sunset are excellent choices.
Booking early is advisable, especially for private charters or popular tours during peak season. Check the reviews and what’s included—meals, gear, and guides—so you get the most for your money.
Final Thoughts
From luxury snorkeling trips to educational reef tours and private charters, Big Island offers a wide array of boat experiences. For a family adventure, tours like Big Island Snorkel Cruise from Waikoloa provide a relaxing, all-inclusive day. For special occasions or intimate adventures, the private charters deliver personalized service. And for wildlife lovers, options like the Luxury Sea Turtle and Dolphin Sail are hard to beat.
Whatever your interest or budget, Big Island’s waters are waiting. Book early, plan according to your priorities, and prepare for unforgettable ocean moments—Hawaii’s Big Island is a marine playground you won’t want to miss.