The Top 15 Tours & Things To Do In Big Island of Hawaii

Big Island of Hawaii isn’t just about lounging on beaches or gazing at volcanoes from afar. Its wild, rugged landscapes offer some of the most memorable adventure activities in all of Hawaii. Whether you’re soaring above treetops, swimming alongside manta rays, or exploring ancient salt farms, this island keeps delivering authentic experiences.

For instance, the 9-Line Waterfall Zipline Experience offers a chance to glide over lush waterfalls and rivers—an unforgettable way to see the island’s natural beauty from a different angle.

Or, if underwater exploration is your thing, the Kona’s Best Morning Snorkel takes you to vibrant coral gardens teeming with marine life.

These tours aren’t just fun—they’re immersive experiences that reveal the island’s diverse landscapes and rich ecosystems.

If you’re wondering which activities stand out, the list below covers everything from high-flying zipline adventures to tranquil boat cruises, ensuring there’s something for every interest and fitness level. Here’s a quick overview of the best tours to consider.

Quick Overview

Big Island excels in outdoor adventures and marine excursions. Ziplining options like Big Island Zipline over KoleKole Falls and Big Island Zipline Adventure offer stunning views of waterfalls and rainforests. For water lovers, snorkel cruises such as Kona’s Best Morning Snorkel and Deluxe Snorkel & Dolphin Watch deliver encounters with sea turtles, dolphins, and colorful fish.

And for those seeking a truly unique experience, Night Manta Ray Snorkel and Manta Ray Snorkeling by Night promise close-up views of these gentle giants. Now, let’s explore each activity in detail.

1. 9-Line Waterfall Zipline Experience on the Big Island

At number 1, the 9-Line Waterfall Zipline Experience delivers a ziplining adventure that’s both scenic and exhilarating. This tour takes you across four dual lines, allowing you to race a friend or simply soak in the breathtaking views of waterfalls, rivers, and lush canopy. The highlight is soaring in complete confidence, with all equipment provided and safety measures overseen by experienced guides.

The panoramic vistas of the Pacific Ocean from every platform make this the most scenic zipline on the island. Reviewers emphasize how fun and well-organized it is—even in rainy weather, the guides keep the experience lively.

It’s perfect for those wanting a fast-paced, adrenaline-pumping way to enjoy Hawaii’s rainforest scenery. The two-and-a-half-hour tour balances thrill and safety, making it a top pick for adventure seekers.

Bottom line: If a scenic, high-speed zipline over waterfalls sounds like your kind of fun, this tour offers unbeatable views and a safe, lively atmosphere.

2. Big Island Zipline over KoleKole Falls

Ranking just behind, the Big Island Zipline over KoleKole Falls is a fantastic choice for those who want a more gradual introduction to ziplining. This 7-line tour starts small, then gradually increases in length and height, culminating with a dramatic crossing over a waterfall—one of the longest in Hawaii.

As you zip past lush greenery and thundering waterfalls, you’ll also learn about traditional Hawaiian agriculture from your guides.

Many reviews praise the safety and professionalism of the crew, with specific mention of guides Kai and Annabelle, who make everyone feel comfortable.

The views of the Hamakua Coast and mountains are spectacular, and the experience is suitable for families and first-timers alike.

Bottom line: This tour is perfect if you want a well-rounded zipline experience, with a mix of gentle practice lines and a dramatic finale over KoleKole Falls.

3. Kona’s Best Morning Snorkel: Captain Cook & Kealakekua Bay

Number 3 on our list, Kona’s Best Morning Snorkel, combines relaxing ocean cruising with vibrant snorkel encounters. This 4.5-hour trip departs from Keauhou Bay and takes you to Kealakekua Bay, a marine sanctuary famous for its clear waters and abundant marine life. The crew provides all equipment and professional instruction, making it suitable for families and beginners.

Highlights include watching spinner dolphins, sea turtles, and possibly manta rays, along with enjoying breakfast and plant-based lunch onboard.

Reviewers note the seamless organization and incredible visibility—one called it a “once-in-a-lifetime experience.” The boat’s access and the proximity to the Captain Cook Monument add historical interest to your underwater adventure.

Bottom line: If you’re after a laid-back, well-organized snorkeling trip with ample marine wildlife, this is a top choice.

4. Big Island Zipline Adventure

Coming in at number 4, the Big Island Zipline Adventure offers eight scenic ziplines across lush rainforests. This tour includes exploring the scenic Kamaee Falls and walking along trails on a property filled with diverse plant life.

Guides like Emma and Kai earn rave reviews for their professionalism and humor, making the experience both fun and informative. The ziplines are exciting without being overly challenging, making it ideal for families or first-timers.

After zipping, you’re welcome to explore the property’s waterfalls and trails at your own pace, adding a more relaxed element to the adventure. Many reviewers mention the stunning views and the safety measures that put everyone at ease.

Bottom line: For a well-rounded rainforest zipline experience with added nature exploration, this tour offers excellent value.

5. Deluxe Snorkel & Dolphin Watch Aboard a Luxury Catamaran from Kailua-Kona

Number 5, the Deluxe Snorkel & Dolphin Watch combines marine viewing with snorkel immersion. For around $189, you get a four-and-a-half-hour cruise that travels along Kona’s Gold Coast. The boat is outfitted with high-end amenities, and the crew is praised for their friendly service. Expect to see pods of dolphins, and possibly whales in season, while enjoying breakfast and a hearty lunch.

Snorkeling gear is provided, and the reef is teeming with colorful fish and coral. Many reviews emphasize how the crew’s attentiveness and the boat’s comfort make this a memorable trip.

Bottom line: If marine wildlife and comfortable cruising are your priorities, this tour offers top-notch service and excellent value.

6. Sunset and Manta Ray Snorkel Adventure

The Sunset and Manta Ray Snorkel Adventure is perfect if you want to combine a stunning Kona sunset with a nighttime manta ray encounter. This 2-hour 15-minute tour takes you on a boat along the coast, then into the water for a guided snorkel with manta rays. The guides provide instruction, and the guarantee of manta sightings or your next trip free makes it appealing.

Reviewers mention the spectacular sunset views and the chance to see these gentle creatures swimming inches away. It’s suitable for all ages comfortable in the water.

Bottom line: For a magical mix of sunset scenery and close-up manta encounters, this tour’s reliable guarantees and oceanic beauty are unbeatable.

7. Snorkel with Manta Rays Guaranteed

Number 7, the Snorkel with Manta Rays Guaranteed provides an evening snorkeling adventure that’s hard to beat. The small-group setting and state-of-the-art floating lights attract manta rays, which glide inches from your floatation device. This trip lasts about 1.5 hours and is perfect for those seeking an intimate, close-up experience.

Reviewers highlight how incredible it is to see these huge manta rays up close, with many expressing how peaceful and elegant they are. The tour also includes wetsuits and all gear, making it easy and safe.

Bottom line: If you want a guaranteed manta ray sighting in a small, comfortable setting, this tour is hard to top.

8. Big Island Kohala Canopy Zipline Adventure

Number 8, the Kohala Canopy Zipline Adventure offers a two-hour, 3-hour tour over the north island’s lush forest. With multiple bridges, platforms, and ziplines, it’s a flexible course that can be customized for different comfort levels. Guides like Davyn and Kodi keep it fun while emphasizing safety, and the views of the Kohala countryside are spectacular.

Many reviewers loved the “long, exhilarating lines” and the chance to learn about local flora and fauna. The course’s flexibility makes it ideal for families or those new to ziplining.

Bottom line: For a flexible, scenic canopy zipline experience with knowledgeable guides, this adventure hits the mark.

9. Night Manta Ray Experience

The Night Manta Ray Experience is a must-do for anyone wanting a nighttime adventure. This 1.5-hour tour promises a close encounter with manta rays as they feed underneath your boat.

The guided snorkeling includes wetsuits and flotation devices, and the lights used attract the rays in a mesmerizing ballet. Reviewers describe it as “magical,” with some seeing multiple manta rays swim around inches from their faces.

Many mention how peaceful these creatures are and how memorable the experience is—an absolute highlight for night snorkel lovers.

Bottom line: If you’re ready for one of the most unique night-time wildlife encounters in Hawaii, this tour guarantees an unforgettable experience.

10. Afternoon Sail & Snorkel to the Captain Cook Monument

Number 10, the Afternoon Sail & Snorkel offers a scenic cruise along the Kona coast. Departing from Keauhou Bay, it features views of lava flows and green cliffs, with snorkeling near the Captain Cook Monument. With all gear provided, the trip includes snacks and a professional guide explaining the marine ecosystem.

Reviewers praise the boat’s comfort and the variety of wildlife seen, including dolphins, turtles, and colorful reef fish. It’s a great choice for relaxing, scenic snorkeling combined with a leisurely sail.

Bottom line: This trip is ideal for those wanting a blend of scenic cruising and snorkeling in a comfortable setting.

11. Kealakekua Snorkel and Sail Adventure

Number 11, the Kealakekua Snorkel and Sail Adventure combines luxury and adventure. This 4-hour cruise features a spacious catamaran, breakfast, and a build-your-own sandwich bar after snorkeling near the Captain Cook Monument.

Many reviews highlight the personal touch, with crew members like Kamakani and Alex making everyone feel special. The boat is praised for its comfort and the chance to spot dolphins and whales.

The snorkeling is prime, with abundant marine life and coral formations. It’s perfect for travelers seeking a full-day, relaxed experience with multiple amenities.

Bottom line: For a luxurious, all-inclusive day with excellent snorkeling and whale-watching opportunities, this tour delivers.

12. Manta Ray Snorkeling by Night in Kailua-Kona, Hawaii

Number 12, Manta Ray Snorkeling by Night is a small-group tour that guarantees an intimate encounter with Hawaii’s manta rays. Using purpose-built lightboards to attract the rays, you’ll float on a specially designed platform and watch these gentle giants swim inches below.

Many reviewers say it’s “the most incredible experience” they’ve had, describing manta rays as “angelic” and their size as awe-inspiring. The tour lasts around an hour, and all equipment is included, making it accessible for most.

Bottom line: If you want an up-close, almost surreal look at manta rays in their natural habitat, this small-group tour is a perfect choice.

13. Hawaiian Salt Farm Tour in Kona

For a different kind of experience, the Hawaiian Salt Farm Tour lets you see the island’s only salt farm. Guided by a knowledgeable host, you’ll learn how Hawaiian salt is harvested from the ocean, sample various salts, and explore the oceanfront property.

Many reviewers appreciate how educational and tasty this tour is, describing the salts as “delicious” and the experience as “beautifully explained.” It’s a 1-hour activity that’s especially appealing for those interested in local food and culture.

Bottom line: This tour is a unique, hands-on experience that appeals to food lovers and curious travelers alike.

14. Deluxe Volcano Experience with Restaurant Dinner

Number 14, the Deluxe Volcano Experience is a full-day, 11-hour tour that covers volcanoes, coffee farms, and black sand beaches. It features a detailed visit to Volcanoes National Park, a coffee tasting at Greenwell Farms, and a dinner at a top-rated restaurant near Kilauea.

Reviewers commend the knowledgeable guides like Shelby and Dave, and note how smoothly the long day goes by thanks to engaging stops. It’s especially suited for those who want a comprehensive view of the island’s volcanic and cultural highlights.

Bottom line: This full-day tour is perfect for travelers who want to explore the volcanoes in depth, with added cultural and culinary experiences.

15. Kealakekua Bay Afternoon Snorkel: Family Fun on the Kona Coast

Finally, the Kealakekua Bay Afternoon Snorkel offers a 3.5-hour family-friendly cruise. Departing from Keauhou Bay, it’s ideal for spotting dolphins, turtles, and whales (in season). The snorkel site at Captain Cook Monument is renowned for its vibrant reef life.

Reviewers mention the good equipment and the opportunity to see a lot of marine animals, even for beginners. Plus, the waterslides and fruit refreshment add a fun, relaxed vibe.

Bottom line: This trip is great for families wanting a safe, enjoyable snorkel with wildlife and additional onboard fun.

How to Choose Your Big Island Adventure

When selecting your tour, think about what excites you most. If soaring over waterfalls sounds thrilling, the Waterfall Zipline offers spectacular views. Want to explore underwater and see dolphins or turtles? The Kona snorkeling cruises and Luxury Catamaran are excellent choices. For marine wildlife, the Manta Ray tours and Night Snorkel are unmatched.

Budget-wise, the salt farm and volcano tours offer more affordable options, while the snorkeling and zipline experiences vary in price but deliver extraordinary memories. Book early, especially during peak seasons, to secure spots on these popular trips.

Final Thoughts

The Big Island offers a range of adventure-packed activities that showcase its volcanoes, rainforests, and ocean life. Whether you prefer soaring over waterfalls, exploring coral reefs, or swimming with manta rays, there’s a tour suited to your interests.

For those seeking a thrill, ziplining over KoleKole Falls or the rainforest (e.g., Big Island Zipline over KoleKole Falls) provides heart-pumping scenic views.

Families and nature lovers might gravitate toward the calm, educational Salt Farm tour or the gentle Captain Cook snorkel trips.

Whatever your travel style, don’t delay booking your adventures. The best tours sell out quickly, especially during Hawaii’s busy months. With so many incredible options, your Big Island trip will be packed with unforgettable moments—so pick your favorites and start planning today.