Hawaii isn’t just about stunning beaches and volcanic landscapes; it’s also a place where the ocean truly becomes your playground. Whether you’re seeking the thrill of spotting humpback whales, snorkeling along coral reefs, or enjoying a romantic sunset, the island offers a wide selection of boat tours and cruises that cater to all interests. Some of our favorites include the Snorkel Cruise to Captain Cook’s Monument for underwater explorers and the Luxury Catamaran Trip along the Kona Coast for those seeking a more refined experience. Each offers a different way to enjoy Hawaii’s marine beauty.
What makes Hawaii especially appealing for boat tours is the diversity of experiences available. From the up-close whale encounters during winter to vibrant snorkeling in Kealakekua Bay, there’s something for every water lover. The seasonal whale-watching tours are particularly popular, offering a chance to see humpbacks singing and breaching in their natural habitat. And if a romantic sunset sail sounds appealing, there are plenty of options like the Big Island Sunset Sails that combine breathtaking views with good company.
1. From Keauhou Bay: Snorkel Cruise to Captain Cook’s Monument
At number one, this snorkel cruise is a top choice for underwater adventure on the Kona coast. It’s a 3-hour trip that takes you past ancient lava flows, offering spectacular views of the volcanic landscape. Once at Kealakekua Bay, you’ll snorkel in vibrant waters filled with colorful fish and pods of spinner dolphins. Plus, during the season (December through April), you might spot majestic Hawaiian humpback whales breaching nearby. The tour includes opportunities to photograph these giants and explore underwater lava formations. The boat is comfortable, and the guide’s knowledge about Polynesian history adds insight to the experience. Reviewers praise its value, with a 4.9-star rating from 235 reviews.
Bottom line: This tour is perfect for snorkeling enthusiasts who want both marine life and Hawaiian history in one trip.
2. Kailua-Kona: Whale Watching Cruise on the Big Island
Number two on our list is the Kailua-Kona whale watching cruise. For $115, you’ll spend 2.5 hours on the water, targeting the prime whale season from December to mid-April. The highlight is hearing humpback whales singing through a hydrophone and watching mothers with calves swimming close to the boat. Experienced guides share stories that bring the marine mammals’ behaviors to life. Many reviews mention how close and personal the whales seem, creating unforgettable moments. This tour is ideal for nature lovers and families wanting a quick but impactful wildlife encounter.
Bottom line: An excellent choice if whale watching is your top priority and you prefer a shorter, focused trip.
3. Big Island: 1.5-Hour Romantic Sunset Sail from Waikoloa
For around $149, the Sunset Sail offers a 1.5-hour escape into the evening with stunning views of the Kona coast. Aboard a sailing catamaran, you’ll enjoy complimentary drinks and watch the sky turn shades of orange and pink as the sun dips below the horizon. It’s a romantic setting, perfect for couples celebrating a special occasion or anyone who loves a peaceful sea view. The small group size (64 reviews with 4.9/5 stars) means a personalized experience with plenty of chances to cuddle or spot wildlife like seabirds.
Bottom line: This cruise balances romance and scenery, ideal for couples or those wanting a relaxing evening at sea.
4. Big Island: Morning Snorkel Sail to Captain Cook’s Monument
Number four is the Morning Snorkel Sail, which takes you down the Kona coastline for 4.5 hours. This tour is known for its well-organized itinerary and expert crew, who share Hawaiian history alongside the snorkeling adventure. You’ll explore Kealakekua Bay and Honaunau Bay, with chances to see spinner dolphins, sea turtles, and underwater lava formations. The tour’s highlight is snorkeling near the Captain Cook Monument, which is accessible only by boat or kayak. The reviews commend the friendly staff and the experience of snorkeling with colorful schools of fish. The trip also celebrates its 40th anniversary, adding a layer of tradition to this popular outing.
Bottom line: A comprehensive option suited for those eager to combine history, marine life, and snorkeling.
5. Big Island: Kona Half-Day Boat Tour with Snorkeling & Lunch
At number five, the Kona Half-Day Boat Tour offers a 4.5-hour cruise with snorkeling and food. Spend your morning cruising the Kona coast in a rigid inflatable boat, visiting two prime snorkeling spots: Kealakekua Bay and Honaunau Bay. The boat is captain-led, and the experience includes exploring sea caves and lava tubes, with plenty of time to view Hawaiian marine life, including turtles. The tour is praised for its value—at $164, it includes tropical snacks, beverages, and a deli-style lunch, making it a great all-in-one adventure for water lovers.
Bottom line: Perfect for travelers wanting a full morning of snorkeling combined with a delicious lunch and scenic views.
6. Big Island: 3 Hour Waikoloa Snorkeling & Sailing Adventure
Number six is the Waikoloa Snorkeling & Sailing trip, offering a 3-hour tour aboard the Spirit of Aloha catamaran. It’s a popular choice for those seeking a relaxed yet lively experience—dolphins, sea turtles, and colorful fish are often seen. The boat’s stability and comfort make it ideal for those prone to seasickness or looking for a leisurely cruise. Morning or afternoon options are available, with plenty of opportunities to snorkel and enjoy the scenery of the Kohala and Kona coastlines. With a 4.6-star rating from 36 reviews, it’s considered good value for a half-day marine adventure.
Bottom line: An accessible and comfortable way to see marine life, suitable for families and first-time snorkelers.
7. Honokohau: Kona Snorkel and Sail with Drinks and Snacks
Number seven is the Kona Snorkel and Sail, a 3-hour trip from Honokohau. This catamaran tour offers a relaxed atmosphere with opportunities to see dolphins, sea turtles, and whales in season. Snorkeling gear is provided, and the guide shares insights about the marine ecosystem. Onboard, you’ll enjoy snacks and alcoholic drinks, making it a casual, fun outing for friends or couples. Reviewers note the friendly crew and the good value at $169. The tour’s flexibility and focus on wildlife make it a solid choice for those wanting a balanced mix of snorkeling and socializing.
Bottom line: A lively, social cruise perfect for those who want to combine marine encounters with drinks and snacks.
8. From Kona: Honokohau Sunset Boat Trip with Drinks and Snacks
Number eight is the Sunset Boat Trip, a 1.5-hour cruise that’s all about unwinding. It offers breathtaking views of the sunset over the Kona coast, complemented by two free drinks per adult. The 53-foot catamaran provides a smooth ride, perfect for a romantic evening or relaxing with friends. Many reviews mention how serene and beautiful the experience is, especially during the golden hour. If you’re looking for a short, scenic escape that’s less about activity and more about atmosphere, this tour is a great pick.
Bottom line: Ideal for a quick, romantic sunset with drinks and spectacular views.
9. Big Island: Luxury Catamaran Trip along the Kona Coast
Number nine is the Luxury Catamaran Trip, offering a high-end experience for up to six guests. This 4-hour adventure promises an intimate yachting experience with private quarters for each guest. It’s perfect for travelers seeking exclusivity and personalized service, with opportunities to see dolphins and snorkel with green sea turtles. The onboard lunch features fresh-caught grilled fish or a picnic, making it a gourmet outing. The reviews are glowing, emphasizing the comfort and privacy of this trip.
Bottom line: For travelers wanting luxury, privacy, and exclusivity, this is the best option.
10. Kailua Kona: Humpback Whale Watching Adventure Cruise
Number ten is a whale-watching adventure from Kailua Kona. For $151, this 2.5-hour tour guarantees sightings of humpbacks during the season. The boat is equipped with hydrophones to listen to whale songs, and guides provide insights into whale behaviors. Many reviewers highlight the thrill of close encounters and the chance to see mothers with calves. It’s a good choice for those primarily interested in whale watching and eager to learn about these gentle giants. The shorter duration makes it suitable for travelers with limited time.
Bottom line: A reliable, engaging whale tour with a focus on marine biology.
11. Honokohau: Kona Whale Watching Catamaran Cruise
Number eleven offers the Honokohau whale watching, a 1.5-hour cruise that’s great for quick sightings. It’s a more casual experience on a sailing catamaran, ideal for those who prefer a smaller, more personal setting. The chance to see humpbacks, dolphins, and other marine life makes it a fun option. The reviews note the scenic coastline and the informative captain’s commentary.
Bottom line: Perfect for a short, relaxed whale watching session with a focus on marine wildlife.
12. Hilo: Humpback Whale-Watching Cruise with Snacks and Drinks
Number twelve takes you to Hilo for a scenic whale cruise that includes snacks and drinks. For $175, the 1.5-hour trip offers the chance to see humpbacks and snorkel in nearby coves. The boat, a 35-foot Well-Craft Scarab, provides a comfortable platform for whale watching and exploring marine life. Reviewers appreciate the combination of wildlife viewing and the relaxed atmosphere onboard. If you’re staying in Hilo and want a small-group experience, this tour fits the bill.
Bottom line: A good option for whale enthusiasts who also want to snorkel and enjoy a laid-back trip.
$175 per person
13. Tropical Reef Snorkel and Wildlife Boat Adventure
Finally, the Reef and Wildlife Boat Adventure is a water-focused tour that takes you past untouched reef structures off Hilo Bay. For $225, you’ll cruise on a 35-foot boat with a local guide, exploring vibrant reefs teeming with marine life. It’s an excellent choice for serious snorkelers who want to see Hawaiian marine ecosystems in their natural state, with expert guides in the water alongside you.
Bottom line: Ideal for underwater enthusiasts looking for an in-depth reef experience.
$225 per person
How to Choose the Right Boat Tour or Cruise in Hawaii
When deciding between these options, consider your priorities. If whale watching is your top goal, the Kailua-Kona Whale Watching or the Hilo whale cruise are excellent picks, especially during peak season. For those who want a romantic evening, the Sunset Sail or Sunset Boat Trip offer memorable scenery and a relaxed vibe.
If snorkeling is your main interest, the Captain Cook’s Monument trips or the Kona Half-Day Tour provide fantastic underwater encounters, often with dolphins and turtles in tow. For a touch of luxury, the Luxury Catamaran is perfect if privacy and comfort are your priorities.
Timing also matters—peak whale season runs from December through April, while sunset cruises are wonderful year-round. Book early to secure your spot, especially in high season.
Hawaii’s boat tours and cruises offer a diverse way to experience the islands’ marine wonders. Whether you’re seeking the excitement of whale watching, the serenity of a sunset sail, or the adventure of snorkeling in pristine waters, there’s an option for you. For an unforgettable trip, consider what interests you most—marine life, scenic views, or romantic moments—and pick the tour that matches your style. With so many choices, you’re sure to find the perfect way to see Hawaii from the water. Don’t forget to book early, especially during peak whale season, to ensure your spot on these memorable adventures.