Kauai, the oldest of the Hawaiian Islands, is a paradise of rugged coastlines, emerald valleys, and cascading waterfalls. Whether you’re an adventure seeker or a beach lover, Kauai offers a rich tapestry of experiences. Here’s a curated list of the five best things to do on Kauai, ranked for their uniqueness, popularity, and ability to leave you breathless.
1. Explore the Napali Coast of Kauai by Boat or Helicopter
Why it ranks #1: The Napali Coast is Kauai’s crown jewel—a 17-mile stretch of towering sea cliffs, hidden beaches, and lush valleys that are inaccessible by car. It’s the most iconic and visually stunning part of the island.
How to experience it:
- Boat tour: Catamaran or raft tours offer close-up views of sea caves, waterfalls, and marine life. Sunset cruises are especially magical.
- Helicopter tour: For a bird’s-eye view of the dramatic cliffs and remote valleys, a doors-off helicopter ride is unbeatable.
Pro tip: Book early and choose a tour that includes snorkeling for a full-day adventure.
2. Hike Waimea Canyon and Koke’e State Park
Why it ranks #2: Known as the “Grand Canyon of the Pacific,” Waimea Canyon offers panoramic views, vibrant red rock formations, and lush greenery. It’s a must-see for nature lovers and photographers.
Top trails:
- Canyon Trail to Waipo’o Falls: A moderate hike with rewarding views.
- Awa’awapuhi Trail: Descends into a ridge with jaw-dropping vistas of the Napali Coast.
Bonus: Stop at the Kalalau Lookout for a breathtaking view of the Kalalau Valley, especially in the early morning when clouds lift.
3. Relax at Poipu Beach, The Best Beach in Kauai
Why it ranks #3: Poipu Beach is the most popular beach on Kauai’s sunny south shore. It’s ideal for families, snorkelers, and those looking to unwind in paradise.
What makes it special:
- Calm waters protected by a reef
- Frequent sightings of Hawaiian monk seals
- Nearby amenities and resorts
Activities: Snorkeling, boogie boarding, or simply lounging under a palm tree.
4. Kayak the Wailua River to Secret Falls
Why it ranks #4: This adventure combines paddling through lush jungle waterways with a short hike to a hidden waterfall. It’s one of Kauai’s most unique and accessible excursions.
What to expect:
- A 2-mile kayak journey upstream
- A scenic hike through rainforest terrain
- A refreshing dip beneath Uluwehi Falls (aka Secret Falls)
Tips: Go with a guided tour for safety and local insights, especially during rainy season.
5. Visit Hanalei Bay and Town Kauai’s Best Kept Secret
Why it ranks #5: Hanalei Bay is a postcard-perfect crescent beach framed by misty mountains. The nearby town of Hanalei offers charming shops, local eats, and laid-back vibes.
Highlights:
- Paddleboarding or swimming in the calm bay
- Sunset views from Hanalei Pier
- Exploring Hanalei’s boutiques and food trucks
Don’t miss: The Hanalei Valley Lookout for panoramic views of taro fields and waterfalls.
Honorable Mentions For Top Kauai Destinations
While these five experiences top the list, Kauai has even more to offer:
- Tunnels Beach: Excellent snorkeling and dramatic mountain backdrops.
- Limahuli Garden & Preserve: A botanical garden showcasing native Hawaiian plants.
- Spouting Horn Blowhole: A natural lava tube that shoots ocean spray high into the air.
Final Thoughts
Kauai’s magic lies in its diversity—from soaring cliffs and canyon hikes to tranquil beaches and jungle rivers. Whether you’re planning a romantic escape, a family vacation, or a solo adventure, these top five experiences will help you uncover the heart of the Garden Isle.