If you’re planning a dream trip to Hawaii’s most lush and tranquil island, you have to explore The Top 5 Best Things to do on Kauai (#1 is a must!). This beautiful slice of paradise, also known as the “Garden Isle,” is overflowing with natural wonders, breathtaking scenery, and authentic Hawaiian culture. Whether you’re a thrill-seeker, nature lover, or someone just seeking serenity, Kauai offers unforgettable experiences that will stay with you forever.
In this comprehensive guide to The Top 5 Best Things to do on Kauai (#1 is a must!), we’ll explore the most highly-rated, authentic, and must-see attractions across the island. From majestic coastlines to dramatic canyons and hidden waterfalls, each activity is more than just a photo opportunity—it’s a journey into the soul of Kauai.
Explore the Na Pali Coast by Boat or Helicopter.
The Na Pali Coast is one of the most iconic and awe-inspiring destinations in all of Hawaii. Towering green cliffs, cascading waterfalls, and turquoise-blue waters define this rugged, untouched coastline.
Why it’s a must: You can’t visit Kauai and skip this! The Na Pali Coast is only accessible by air, sea, or foot, making it a true adventure. The best way to take in its beauty is either on a catamaran cruise or a helicopter ride.
Top experiences:
- Sunset sailing tours along the coast.
- Snorkeling excursions into sea caves and coves.
- Doors-off helicopter flights for epic aerial views.
- Whale-watching during the winter season.
No visit to Kauai is complete without seeing this jaw-dropping natural wonder. It’s easily the #1 thing to do.
Discover Waimea Canyon, “The Grand Canyon of the Pacific.”
Stretching over 10 miles long and 3,600 feet deep, Waimea Canyon is an incredible display of red rocks, green valleys, and waterfalls—a true geological wonder.
Why it’s unforgettable: The contrast of colors is surreal—reds and oranges from the volcanic rock, lush greens from native vegetation, and white mist from waterfalls like Waipo’o Falls. Whether you’re driving to lookouts or hiking trails, Waimea is one of the most epic views in Hawaii.
Must-do activities:
- Visit Waimea Canyon Lookout and Pu’u Hinahina Lookout.
- Hike the Canyon Trail to Waipo’o Falls.
- Combine your visit with Koke’e State Park for native birdwatching.
- Pack a picnic and enjoy the panoramic views.
Bring your camera—sunrise and sunset views here are spectacular.
Take a Helicopter Tour Over Hidden Wonders.
Kauai is home to Mount Waialeale, one of the wettest places on Earth, and many of its hidden treasures—like Jurassic Falls and remote valleys—can only be seen from above.
Why it’s breathtaking: A helicopter tour offers a once-in-a-lifetime view of Kauai’s interior landscapes, many of which are inaccessible by road. You’ll soar over lush rainforests, lava-carved canyons, and misty craters.
Popular flight highlights:
- Hanapepe Valley, featured in Jurassic Park.
- Wailua Falls, a double waterfall in lush jungle.
- Waialeale Crater, a green-walled basin often shrouded in mist.
- The winding Na Pali cliffs from above.
Choose from doors-on for comfort or doors-off for photography. Either way, this tour is truly mind-blowing.
Relax at Hanalei Bay & Explore Hanalei Town.
Hanalei Bay is a picturesque crescent of soft white sand, with towering green mountains as its backdrop. It’s not just one of the best beaches in Kauai—it’s among the most beautiful in the world.
Why people love it: Whether you’re into swimming, surfing, or just soaking in the scenery, Hanalei Bay delivers. The nearby Hanalei Town is charming and artsy, full of boutique shops, local eateries, and Hawaiian culture.
Top things to do:
- Walk along the Hanalei Pier at sunset.
- Eat at local gems like Hanalei Bread Co. or Tahiti Nui.
- Paddleboard or kayak along the Hanalei River.
- Browse art galleries and craft markets.
This is where laid-back island life is at its finest. Don’t be surprised if you never want to leave.
Hike the Kalalau Trail to Hanakāpīʻai Falls.
One of Hawaii’s most legendary hikes, the Kalalau Trail starts at Ke’e Beach and takes you through the Na Pali Wilderness to Hanakāpīʻai Falls, a 300-foot waterfall surrounded by jungle.
Why it’s an epic adventure: The hike is challenging but incredibly rewarding, offering cliffside ocean views, lush valleys, and bamboo forests. It’s a must-do for hikers visiting Kauai.
Hiking options:
- Short version: Hike 2 miles to Hanakāpīʻai Beach and back.
- Full version: Add 2 more miles to reach Hanakāpīʻai Falls.
- For expert hikers: Continue the full Kalalau Trail with permits.
Be sure to bring plenty of water, sturdy shoes, and trail snacks. Always check trail conditions, especially after rain.
Snorkel at Tunnels Beach or Poʻipū Beach.
If you’re into marine life, don’t miss snorkeling at either Tunnels Beach (North Shore) or Poʻipū Beach (South Shore). Kauai’s reefs are home to tropical fish, green sea turtles, and even monk seals.
Why snorkeling here is unique: These beaches offer clear water, coral reefs, and plenty of shallow areas safe for beginners and families. You’ll feel like you’re swimming in a giant aquarium.
Top tips:
- Visit Tunnels Beach in summer months for calm waters.
- Poʻipū Beach is more accessible year-round.
- Rent gear locally or take a guided snorkeling tour.
- Use reef-safe sunscreen to protect marine life.
It’s an experience that connects you directly with Hawaiian ocean beauty.
Tour the Allerton and McBryde Botanical Gardens.
Nature and culture come together at these stunning botanical gardens located in the Lawai Valley. Operated by the National Tropical Botanical Garden, they showcase native plants, tropical trees, and historical landmarks.
Why it’s worth a visit: You’ll walk through gardens featured in Hollywood movies like Jurassic Park and Pirates of the Caribbean. It’s peaceful, photogenic, and deeply connected to Hawaiian plant heritage.
Don’t miss:
- The giant Moreton Bay fig trees from Jurassic Park.
- Guided tours with ethnobotanical insights.
- The waterfall garden and scenic overlooks.
- Rare and endangered Hawaiian plant species.
This is perfect for relaxation, photography, and learning.
Ride a Kayak Down the Wailua River.
The Wailua River is one of the only navigable rivers in Hawaii, and it’s perfect for a peaceful kayak journey into the island’s jungle interior.
Why it’s magical: Paddling through bamboo forests and mango groves, you’ll feel like you’ve stepped into another world. Many kayak tours include hikes to Secret Falls (Uluwehi Falls).
What to expect:
- Easy paddling suitable for all skill levels.
- Combine kayaking with short jungle hikes.
- Bring water shoes and waterproof bags.
- Watch for birds, flowers, and wild pigs.
It’s one of the most eco-friendly and immersive ways to see the island.
Attend a Traditional Hawaiian Luau.
No trip to Kauai is complete without experiencing a traditional luau, where you can enjoy Hawaiian music, dance, and delicious island cuisine under the stars.
Why it’s unforgettable: It’s a cultural celebration of Hawaiian heritage that connects you with aloha spirit, storytelling, and vibrant island traditions.
Top luaus on Kauai:
- Smith Family Garden Luau (Wailua): Huge gardens and fire knife dancing.
- Luau Kalamaku (Lihue): Theatrical performances and train rides.
- Aulii Luau (Poʻipū): Oceanfront setting with delicious seafood buffets.
Expect an evening of feasting, drumming, and dancing you’ll never forget.
Watch the Sunrise at Kapaʻa or the Sunset at Polihale Beach.
Kauai’s skies are just as dramatic as its landscapes. Start your day with a peaceful sunrise on the East Shore or end it with a fiery sunset on the West Side.
Why it’s a local favorite: The light in Kauai feels magical—soft, golden, and deeply spiritual. Locals cherish these moments as a time for reflection, gratitude, and beauty.
Where to go:
- Kapaʻa Beach Park for colorful, early-morning skies.
- Polihale State Park for a remote, desert-like sunset.
- Bring a blanket, a coffee or coconut, and enjoy the show.
It’s a simple experience but one that captures the true essence of island living.
Conclusion: Your Unforgettable Kauai Adventure Awaits
From coastal cliffs and hidden waterfalls to volcanic canyons and tropical beaches, Kauai is a land of magic and adventure. The Top 5 Best Things to do on Kauai (#1 is a must!) barely scratch the surface of what this island offers, but they represent the heart and soul of the Garden Isle.
Whether you choose to fly above the island in a helicopter, hike its wild trails, or simply relax in a bay watching the sun dip below the horizon, Kauai will steal your heart. This isn’t just a vacation—it’s a spiritual journey, a chance to reconnect with nature, culture, and yourself.
Frequently Asked Questions (FAQs)
1. What’s the best time of year to visit Kauai? The best time is during the dry season from April to October, though winter offers lush greenery and whale-watching opportunities.
2. Is Kauai better for adventure or relaxation? Both! Kauai blends excitement with serenity, offering something for thrill-seekers, hikers, and those who just want to unplug.
3. Can I explore Kauai without renting a car? While some areas are accessible, a rental car is highly recommended to reach remote beaches, hikes, and attractions.
4. Are there budget-friendly activities on Kauai? Yes! Many hikes, beaches, and scenic drives are free or low-cost. Picnicking at overlooks and watching sunrise/sunset are great no-cost options.
5. Is it safe to swim at all beaches? Not all beaches are safe year-round. Always check surf conditions, obey lifeguard signs, and avoid rough north shore waters in winter.