The 11 Best Snorkeling Experiences in Big Island of Hawaii
Big Island of Hawaii isn’t just famous for its volcanic landscapes and lush rainforests—it’s a snorkeler’s paradise. The island’s diverse underwater scenery offers everything from glowing manta rays and colorful coral reefs to historic sites and dolphin encounters. Unlike more crowded destinations, many of these tours focus on small-group experiences, giving you more personal time with marine life and fewer crowds. Whether you’re after a thrilling boat ride or a tranquil float among sea turtles, the Big Island has a snorkel tour for your style and budget.
In this guide, we’ve rounded up the 11 best snorkeling experiences, from night manta ray swims to private yacht charters, making it easier to find the right adventure for your trip. Each offers a uniquely Hawaiian way to see the ocean’s wonders—some with the added drama of sunset views, others with a focus on marine diversity. Read on for honest insights, practical details, and tips on choosing the best tour for your needs.
1. Manta Ray Snorkeling by Night in Kailua-Kona, Hawaii
This is one of the most extraordinary night snorkeling experiences on the island. Set along the Kona Coast, this tour offers the chance to float with wild manta rays illuminated by purpose-built lightboards that attract plankton—manta food of choice. The small-group format and the chance to ride on a traditional Hawaiian sailing canoe add an authentic touch. The guides take safety seriously and provide all necessary equipment, including wetsuits to stay warm.
Guests consistently praise the magical, close-up encounters with manta rays that can brush against you as they swim peacefully in the water. With over 600 reviews and a 5.0 rating, many call this their top Big Island highlight. The experience lasts about an hour, making it a quick but unforgettable addition to your trip.
Bottom line: For a once-in-a-lifetime chance to swim with gentle, glowing manta rays, this tour stands out. It’s best suited for travelers comfortable in the water and looking for a unique, atmospheric experience.
2. Kealakekua Bay Snorkeling Tour – 4 hour Kona Zodiac Adventure
At number 2, this 4-hour Zodiac adventure takes you to Kealakekua Bay, known for its crystal-clear waters and vibrant reefs. The tour explores sea caves and the Kona coastline, with the boat darting quickly between snorkeling spots that larger vessels can’t access. During the trip, you’ll visit the Captain Cook monument, a landmark of historical significance, and see marine life ranging from spinner dolphins and sea turtles to possibly whale sightings during migration season.
Guests love the fast-paced, intimate atmosphere and the opportunity to see a variety of tropical fish close up. The guides share plenty of local stories and marine info, making it both an educational and fun outing. Because of the Zodiac’s agility, you can cover more ground in less time and visit spots that larger boats can’t reach.
Bottom line: If you prefer a dynamic, shorter tour with the possibility of seeing dolphins and whales, this Zodiac trip offers excellent value and a highly personalized experience.
3. Hawaiian Sea Turtles and Snorkeling Experience in Kona with Lunch
This 3-hour tour offers a relaxed, scenic cruise aboard a 53-foot catamaran along the Kona Coast, combined with snorkeling and a tasty onboard lunch. The waters are often filled with dolphins, sea turtles, and migrating whales, making this a wildlife-rich outing. After snorkeling in calm waters, you can enjoy a hearty lunch while taking in the stunning views of the coast.
The crew is praised for their friendliness and attentiveness, with some reviewers noting the late-morning start allows for a more leisurely experience. The included lunch and drinks make it a great pick for those who want a mix of adventure and comfort.
Bottom line: Ideal for travelers who want a balanced mix of snorkeling, wildlife viewing, scenic cruising, and a good meal, all in a shorter time frame.
4. 4 Hour Super-Raft Snorkeling Experience in Kailua-Kona
Number 4 on our list, this premium half-day tour is perfect for those who dislike crowded boats. The Super-Raft provides a spacious, shade-equipped platform, and because it’s smaller, you’ll visit spots that larger vessels can’t reach—plus, you’ll enjoy a more relaxed vibe. The tour includes snorkeling gear, breakfast snacks, a picnic lunch, and island-style drinks, making it an all-inclusive day on the water.
Guests rave about the dolphin sightings and the variety of reefs visited, with many noting the friendly staff and comfortable onboard facilities. The adventure lasts about four hours, giving ample time to explore multiple locations without feeling rushed.
Bottom line: For those seeking a comfortable, less crowded snorkeling trip with plenty of marine life and good food, this tour offers excellent value.
5. Kealakekua Bay Captain Cook Snorkeling
At number 5, this personalized snorkeling tour focuses on Kealakekua Bay, where you’ll see over 200 species of tropical fish and explore sea caves and lava tubes. The tour is aboard a fast, high-quality boat, allowing you to reach the bay quickly and spend more time in the water. The guides are knowledgeable about the local marine life and history, sharing stories as you snorkel.
Guests highlight the customizable nature of this trip and the chance to see dolphins, whales, and turtles. The experience is intimate, with a small group, and includes snacks and drinks onboard.
Bottom line: This tour works well for travelers wanting a tailored, educational experience with a focus on marine diversity and historical sites.
6. Sunset Cruise & Manta Night Snorkeling Charter
This luxury private charter is perfect for a romantic or special occasion. After a scenic sunset cruise, your group can enjoy night snorkeling with manta rays on a comfortably equipped boat. The private nature of the tour makes it feel exclusive, with attentive crew to ensure a smooth ride.
While small in number, the reviews highlight how memorable and peaceful this experience is—many call it “unforgettable.” It’s a more expensive option, but the privacy and personalized service pair well with the spectacular manta encounter.
Bottom line: Best suited for couples or small groups seeking a private, upscale experience and the chance to float among manta rays at night.
7. Dolphin, Sea Cave, Captain Cook, Kealakekua Bay Reef Snorkeling
This small-group excursion aboard an authentic Navy SEAL Zodiac combines snorkeling at Captain Cook’s monument with exploring sea caves and lava tubes. It’s designed for adventurous travelers who want to see lesser-visited spots that larger boats can’t access. The trip typically lasts about 2.5 hours and includes snorkel gear and snacks.
Guests appreciate the informal, fun atmosphere and the chance to see dolphins and marine life in more secluded settings. The guides’ local knowledge enhances the experience, making it both educational and exciting.
Bottom line: This tour is ideal for those craving an active, small-group outing with access to hidden underwater and coastal features.
8. Private Big Island Snorkeling
If privacy ranks high on your list, this private tour for up to six people is a flexible and personal way to explore the island’s underwater world. Departing from Kawaihae Harbor, your captain customizes the trip to your group’s experience level and interests, including underwater photos, snacks, and plenty of marine encounters.
Reviewers mention how Captain G’s local knowledge and personalized approach make it special. It’s a premium option, but the exclusivity and tailored itinerary are hard to beat.
Bottom line: Perfect for families or friends who want a private, customizable experience with expert guidance and plenty of marine life sightings.
9. Half Day Private Cruise Tour with Snorkeling and Fishing in Kona
This luxury private charter offers a customizable 5-hour day of snorkeling and fishing. The trip departs from Kailua-Kona, with the crew choosing snorkeling spots like Captain Cook Monument or Makalawena based on conditions. It’s a fully private tour, including snorkel gear, snacks, and drinks.
Guests say the crew is friendly, and the trip is great for those who want a personalized experience with a touch of luxury. The flexibility to pick your location makes it ideal for special occasions or those with specific interests.
Bottom line: If you want a custom, upscale experience and don’t mind paying extra, this private tour offers ultimate flexibility and comfort.
10. 4 Hour Private Snorkeling Tour in Kona
This shorter, private trip is perfect for those who want a quick, personalized visit to some of Kona’s best reefs. Departing from Kailua-Kona, the captain will guide you to spots they know will give you the best snorkeling, with all gear, snacks, and water included.
Guests appreciate the personalized attention and the chance to explore multiple locations without the crowds. It’s a more exclusive experience for small groups or families.
Bottom line: Best suited for travelers seeking a brief, private adventure with tailored routes and top-quality gear.
11. Captain Cook Snorkeling Cruise | Departs from Honokohau Harbor
Finally, this 3-3.5 hour cruise offers a comfortable ride along the Kona Coast aboard a sturdy 40’ catamaran. You’ll visit Kealakekua Bay or nearby spots, with chances to spot spinner dolphins, flying fish, and whales during migration seasons. The boat stays close to shore for easy access to excellent snorkeling and scenic views.
Some reviews mention it’s a more traditional boat experience with a steady ride, ideal for families and those wanting a relaxed day at sea. The snorkeling gear and refreshments are included, making it straightforward and enjoyable.
Bottom line: Great for families or travelers seeking a classic, comfortable cruise with reliable marine sightings.
How to Choose Your Perfect Snorkeling Tour
When selecting the right Big Island snorkeling experience, consider your budget, time available, and personal interests. If you want something truly special, the Manta Ray Snorkeling by Night in Kailua-Kona offers a surreal, glowing encounter that’s hard to beat. For a more active and adventurous day, the Kealakekua Bay Zodiac trip or the small-group sea cave tour provide access to secluded spots.
Those preferring privacy and customization will appreciate the private tours, which can be tailored to your needs. If you’re short on time but want a personalized experience, the 4-hour private snorkel offers a quick, exclusive outing.
Booking early is wise, especially in peak seasons, as these tours are popular and fill up fast. Consider your fitness level—some tours involve jumping into open water, while others are more relaxed—and choose a trip that matches your comfort zone.
The Sum Up
Big Island of Hawaii offers a broad spectrum of snorkeling experiences. For unforgettable encounters with manta rays, the night manta swim is a highlight. If marine diversity and exploring caves appeal, the Kealakekua Bay Zodiac or sea cave tour are excellent choices. For those seeking privacy and tailored experiences, the private tours offer flexibility and intimacy.
Whether you’re after a simple morning snorkel or luxury private charter, the Big Island’s underwater world is waiting. Early booking is recommended to lock in your preferred date and avoid disappointment. Use this guide to help pick your ideal adventure—and get ready for some serious snorkeling fun in Hawaii.