Kauai offers an incredible range of activities, from soaring above emerald cliffs to drifting down historic waterways. Here are eighteen unforgettable activities that showcase the island’s beauty, culture, and wild, unspoiled spirit.

1. Helicopter Tours

Helicopter tours reveal Kauai’s hidden valleys, towering waterfalls, and the remote Na Pali Coast from a perspective you simply can’t get on land. It’s the most dramatic way to take in the island’s iconic landscapes. Jack Harter’s “doors-off” tours are a favorite, while Blue Hawaiian and Safari Helicopters receive top marks. Island Helicopters is the only tour provider that lands at Jurassic Falls.

2. Na Pali Coast Cruises

A boat cruise along the Na Pali Coast offers close-up views of cathedral-like cliffs, sea caves, dolphins, and sparkling waterfalls. Sunset and snorkeling options make this one of Kauai’s most spectacular activities. Captain Andy’s, Holo Holo Charters, Blue Dolphin Charters, Makana Charters, and Kauai Sea Tours are some of the best-rated cruise companies.

3. Mountain Tubing

Mountain tubing, by Kauai Backcountry Adventures, sends you floating through a historic irrigation system built by plantation workers over a century ago. The gentle ride through dark tunnels and lush backcountry is fun, refreshing, and unlike anything else on the island.

4. Kilauea Point Lighthouse and National Wildlife Refuge

Perched on a dramatic bluff along Kauai’s North Shore, Kilauea Lighthouse offers sweeping ocean views, seabird sightings, and some of the island’s best whale watching in winter. The historic lighthouse and surrounding wildlife refuge make for a scenic, educational stop with postcard-worthy vistas.

5. Secret Falls Kayak

Paddle up the Wailua River, then hike through tropical forest to reach Secret Falls, a towering jungle waterfall that feels straight out of a movie. The combination of kayaking and hiking makes this a perfect half-day adventure.

6. Luau Experiences

A traditional Hawaiian luau pairs island cuisine with music, dance, and storytelling under the stars. It’s a festive and cultural way to connect with Hawaii’s heritage. Families often choose Smith’s Family Luau for its welcoming atmosphere, while visitors seeking a more theatrical experience turn to the impressive Luau Kalamaku.

7. Fern Grotto Cruise

The Smith’s Wailua River Cruise leads to the Fern Grotto, a lush, natural amphitheater draped in hanging ferns. Live music and the gentle river setting create a relaxing, family-friendly outing.

8. Zipline Adventures

Ziplining takes you soaring over treetops, valleys, and streams for a thrilling bird’s-eye view of Kauai’s rugged terrain. It’s equal parts adrenaline and scenery. Top zipline companies on Kauai include Koloa Zipline, Outfitters Kauai, Kauai Backcountry Adventures, and Kipu Zipline.

9. Whale Watching

From December through April, humpback whales return to Hawaii, and Kauai’s waters offer excellent viewing. Boat tours often spot breaches, tail slaps, and mother-and-calf pairs enjoying the warm Pacific.

10. ATV Tours

ATV tours rumble across private ranchlands and backroads rarely seen by visitors. Expect red-dirt trails, panoramic views, and a taste of Kauai’s wilder side. With the recent closure of Kauai ATV, Kipu Ranch Adventures is now the lone ATV tour operator on the island.

11. Garden Tours

The Garden Island truly lives up to its name, offering a remarkable collection of lush and diverse botanical gardens. Guided garden tours highlight rare tropical plants, native Hawaiian species, waterfalls, and historic landscapes, offering a peaceful and educational way to explore the island’s natural beauty. Standout experiences include the McBryde & Allerton Garden tours in Lawai Valley on the island’s South Shore, Na Aina Kai Botanical Gardens in Kilauea, and Limahuli Garden and Preserve tours on the far North Shore.

12. Horseback Riding

Exploring Kauai by horseback offers a peaceful, scenic way to experience the island’s wide-open pastures, secluded valleys, and sweeping ocean views. Guided rides in Princeville (Princeville Ranch) and the South Shore (CJM Country Stables) let visitors connect with the island’s paniolo (cowboy) heritage while enjoying a relaxed, family-friendly adventure.

13. Surfing

Kauai’s deep surf culture and consistently favorable waves make it one of the best places in Hawaii to practice the sport. Top-rated surf schools—such as Kauai Surf School, Hawaiian Surfing Adventures, and Poipu Beach Surf School—offer friendly, expert instruction for every level.

14. Scuba Diving and Snorkeling Tours

Guided scuba diving and snorkeling tours reveal Kauai’s colorful underwater world, from calm reef systems to lava formations teeming with tropical fish, sea turtles, and occasional dolphins. These tours provide safe, knowledgeable access to some of the island’s clearest waters, with highly rated operators including Fathom Five Divers, Seasport Divers, Dive Kauai, and Kauai Sea Tours.

15. Golf

With emerald fairways carved into lava cliffs, tropical valleys, and oceanfront bluffs, golfing on Kauai is as scenic as it is memorable. Courses across the island combine challenging play with jaw-dropping views, making every round feel like a sightseeing tour. Among the island’s most well-regarded and popular courses are Princeville Makai Golf Club, Poipu Bay Golf Course, the Ocean Course at Hokuala, and the affordable, locally loved Wailua Golf Course.

16. Spas

After long beach days, canyon hikes, and ocean adventures, Kauai’s spas offer a restorative pause rooted in island wellness traditions. Whether indulging in a full-service experience at renowned resort spas like Anara Spa, Bamford Wellness Spa, or The Spa at Koa Kea, or booking a highly rated local favorite such as Hanalei Day Spa or Elevate Wellness, visitors will find soothing spaces designed to relax muscles, calm the mind, and restore balance in true Garden Isle fashion.

17. Lydgate Farms Chocolate Tour

The Lydgate Farms Chocolate tour offers a hands-on, bean-to-bar experience at an award-winning cacao farm. Guests walk through lush orchards before sampling handcrafted chocolates, tropical fruits, and honey in one of Kauai’s most unique tastings. Book on Viator

18. Koloa Rum Tasting Tour

A visit to the Koloa Rum Company brings Kauai’s plantation-era history to life through guided tastings of locally crafted rums. Made with pure island water, these tastings blend heritage, flavor, and a relaxed island atmosphere. 

All Kauai Activities

Top Rated

Kauai Mountain Tubing
Lydgate Farms Chocolate Tour
Koloa Rum Tasting Tour
Makai Golf Club Sunset Cart Tour

Helicopter Tour Companies

Jack Harter
Blue Hawaiian
Safari Helicopters
Island Helicopters (Jurassic Falls)
Mauna Loa Helicopter Tours
Airborne Aviation
Alii Air Tours
Air Kauai

Na Pali Coast Cruise Operators

Captain Andy’s
Holo Holo Charters
Blue Dolphin Charters
Na Pali Experience
Na Pali Riders
Kauai Sea Tours
Makana Charters and Tours
Hanalei Charters
Blue Ocean Adventure Tours

Luaus

Smith Family Garden Luau
Luau Kalamaku
Aulii Luau
Ahi Lele Luau Fire Show
Grand Hyatt Kauai Luau
Wailua Nui Luau

Gardens

Allerton and McBryde Gardens
Limahuli Garden and Preserve
Na Aina Kai Botanical Gardens
Princeville Botanical Gardens
Smith’s Tropical Paradise Garden
Moir Gardens
Lawai International Center

ATV Tours

Kipu Ranch Adventures
Zipline Tours
Outfitters Kauai
Koloa Zipline
Kauai Backcountry Adventures

Horseback Riding

CJM Country Stables
Princeville Ranch

Scuba Diving and Snorkeling

Dive Kauai
Seasport Divers
Fathom Five Divers
Kauai Sea Tours

Snorkel Rentals

Boss Frogs
Peddle ‘N Paddle
Snorkel Bob’s
Hanalei Surf Co.
Kapaa Beach Shop
Nukumoi Surf Co.
Kauai Beach Boys
Kauai Bound Snorkel and Gear Rental

Surfing

Kauai Surf School
Hawaiian Surfing Adventures
Poipu Beach Surf School
Hanalei Surf School
Endless Summer Surf School
Kauai Beach Boys
Hoku Water Sports

Golf

Ocean Course at Hokuala
Princeville Makai Golf Club
Poipu Bay Golf Course
Puakea Golf Course
Wailua Golf Course
Kiahuna Golf Club
Kukuiula Golf Course

Spas

Anara Spa (Grand Hyatt Kauai)
Bamford Wellness Spa (1 Hotel Hanalei Bay)
Hiilani Spa (Kukuiula)
The Spa at Koa Kea
Hanalei Day Spa
Hawaiian Rainforest Spa (OUTRIGGER Kauai Beach) Resort
Elevate Wellness
Aloha Moon Massage
Spa by the Sea
Alexander Day Spa & Salon

Book Kauai Activities with Viator