Nicknamed the Garden Isle, Kaua‘i is a nature lover’s paradise and one of the most visually stunning islands in Hawai‘i. With emerald valleys, dramatic sea cliffs, hidden beaches, and cascading waterfalls, it’s a destination that feels untouched and magical. Whether it’s your first visit or a return trip to your favorite island, the top things to do in Kaua‘i offer the perfect blend of adventure, culture, and breathtaking natural beauty.
Waterfall near Queen’s Bath at sunset, Kauai, Hawaii (Shutterstock)
1. Explore Waimea Canyon State Park
Often called the “Grand Canyon of the Pacific,” Waimea Canyon is a must-see for anyone visiting Kaua‘i. With its layered red cliffs, deep gorges, and panoramic vistas, this 10-mile-long canyon is one of the top things to do in Kaua‘i. Hikers can explore a range of trails, but the Canyon Trail to Waipo‘o Falls is a standout — a moderate 3.5-mile round trip that rewards visitors with sweeping views of the falls and canyon. Bring water and a camera, and start early to catch the golden morning light. For those short on time, scenic lookouts like Pu‘u Hinahina provide incredible views without the hike or book a helicopter tour for a bird’s eye view.
Location: Waimea Canyon State Park Waimea Canyon Dr, Waimea, HI 96796
@HikeHawaiiNow: “Waimea Canyon left us speechless—photos don’t do it justice. Absolutely stunning. #KauaiViews”
2. Cruise the Nāpali Coast by Boat or Kayak
The Nāpali Coast is one of the most iconic and remote areas of Kaua‘i, only accessible by sea, air, or foot. Towering cliffs rise thousands of feet above turquoise waters, creating one of the most jaw-dropping coastal views in the world. The best way to see it? Hop on one of the many Kauai boat or paddle tours. Catamarans from companies like Holo Holo Charters offer snorkeling trips, dolphin sightings, and sunset sails. For the adventurous, summer kayaking from Hā‘ena to Polihale is the ultimate bucket list item.
Location: Tours depart from Port Allen, 4353 Waialo Rd #5A, Eleele, HI 96705
@SaltwaterSoul: “Kayaking the Nāpali Coast was life-changing. Rugged, raw, and completely worth it. #ThingsToDoInKauaiHawaii”
3. Hike the Legendary Kalalau Trail
If you’re searching for the best things to do in Kaua‘i Hawai‘i, this trail should be at the top of your list. The Kalalau Trail, starting at Hā‘ena State Park, winds 11 miles along the coast to Kalalau Beach. Most visitors opt for shorter treks — either the 4-mile round trip to Hanakāpī‘ai Beach or the more challenging 8-mile round trip to Hanakāpī‘ai Falls. Expect steep terrain, slippery slopes, and views that make every step worth it. Permits are required beyond Hanakāpī‘ai, so plan ahead and reserve yours here.
Location: Hā‘ena State Park, Kuhio Hwy, Hanalei, HI 96714
@IslandTrekkers: “Challenging hike with massive payoff. Don’t skip Hanakāpī‘ai Falls—beyond magical! #TopThingsToDoInKauai”
Waimea Canyon on the island of Kauai, Hawaii (Shutterstock)
4. Stroll Through Hanalei Town and Bay
Hanalei is the soul of North Shore Kaua‘i. With its small-town charm, surf vibes, and backdrop of misty mountains, this town feels like a postcard. Browse art galleries, sip on fresh fruit smoothies, or grab fish tacos from a local food truck. At Hanalei Bay, the wide crescent beach is ideal for beginner surfers, swimmers, or simply watching the waves roll in. Sunset here is pure magic — bring a blanket for the beach and stay awhile.
Location: Hanalei Town, Hanalei, HI 96714
@PacificWaves: “Hanalei is the kind of place you dream about. Chilled coconut in one hand, toes in the sand. #BestThingsToDoInKauaiIsland”
5. Relax at Po‘ipū Beach Park
On the sunny south shore, Po‘ipū Beach is one of the top things to do and see in Kaua‘i. With calm waters, a natural wading pool, and excellent snorkeling near the rocky outcroppings, it’s a picturesque backdrop for your beach day. You might even spot a Hawaiian monk seal napping onshore. There are showers, restrooms, picnic tables, and lifeguards, making it family-friendly and super accessible.
Location: Po‘ipū Beach Park, Hoone Rd, Koloa, HI 96756
6. Discover Wailua River and Fern Grotto
Wailua River is one of the only navigable rivers in the Garden Island of Hawai‘i, and a great spot for kayaking or taking a riverboat tour. It winds through lush jungle landscapes and leads to the Fern Grotto — a natural amphitheater covered in tropical ferns. This mellow, scenic outing is ideal for families or those seeking a cultural touch. Check out Smith’s Fern Grotto Tours for a fun adventure.
Location: Wailua Marina State Park, 3-5971 Kuhio Hwy, Kapaʻa, HI 96746
@AlohaVibesOnly: “The boat ride up Wailua River was peaceful and beautiful. The Fern Grotto was like a jungle cathedral. #ThingsToDoAndSeeInKauai”
7. Visit the Spouting Horn Blowhole
Located near Po‘ipū, the Spouting Horn is one of Kaua‘i’s most photographed natural wonders. As waves crash into a lava tube, water shoots up through a hole in the rock, creating a dramatic spout that can reach 50 feet high. According to Hawaiian legend, the roar is the voice of a trapped lizard guardian. There’s a viewpoint, easy parking, and nearby craft vendors selling handmade souvenirs.
Location: Spouting Horn Park, Lawai Rd, Koloa, HI 96756
8. Take in the View at Kīlauea Lighthouse and Wildlife Refuge
Located on Kaua‘i’s North Shore, the Kīlauea Point National Wildlife Refuge offers some of the island’s best scenic overlooks with the chance to see seabirds, monk seals, and even humpback whales in season. Visitors may also spot sea turtles swimming near the shore, adding to the rich wildlife experience. The historic lighthouse dates back to 1913 and is great for birdwatchers, photographers, and anyone seeking a quiet escape.
Location: 3580 Kilauea Rd, Kilauea, HI 96754
9. Experience the Thrill of a Helicopter Tour
For an unforgettable adventure, take to the skies with a helicopter tour over Kaua‘i. This exhilarating experience offers unparalleled views of the island’s most stunning landscapes, including the dramatic Nā Pali Coast, the awe-inspiring Waimea Canyon, and remote areas otherwise inaccessible. As you soar above the island, you’ll witness lush valleys, towering mountains, and hidden sea caves from a bird’s-eye view.
Tour operators like Island Helicopter Tours, Mauna Loa Helicopter Tours, and Ali’i Kauai Air Tours and Charters each offer their own unique routes and island highlights. Whether you choose a doors-off adventure for an unobstructed view or a more relaxed, narrated tour, the experience is sure to be a highlight of your vacation. This is a must-do for adventure seekers and anyone looking to see the Garden Isle from a new perspective.
Location: Various departure points around the island
@SkyHighAdventures: “Seeing Kaua‘i from a helicopter was beyond breathtaking. The Nā Pali Coast and Waimea Canyon are even more stunning from above. #KauaiTours”
10. Uncover the Hidden Beauty of Secret Falls
Tucked away on Kaua‘i’s North Shore, Secret Falls is a hidden gem that rewards those willing to venture off the beaten path. Accessible via a moderate one-mile hike through a lush tropical forest, the journey is as enchanting as the destination itself. As you make your way through the verdant landscape, you’ll be treated to stunning views of the surrounding flora and fauna.
The hike culminates at the breathtaking Secret Falls, where you can take a refreshing dip in the cool waters or relax. This adventure is perfect for nature lovers and those looking to experience the untouched beauty of the Garden Isle.
Location: North Shore, Kaua‘i
@NatureLover: “The hike to Secret Falls was magical. The lush forest and the falls themselves were absolutely worth the trek. #NorthShoreKauai”
Bonus: Fuel Up with Local Flavor at Kalalea Juice Hale
For a taste of Kaua‘i’s freshest flavors, head to Kalalea Juice Hale on the North Shore. This popular spot is known for its healthy and delicious offerings, including açaí bowls, smoothies, and other local specialties. Each dish is made with fresh, locally sourced ingredients, ensuring a burst of flavor in every bite.
Whether you’re stopping by for breakfast or a quick snack, you’ll find a variety of unique flavor combinations that are both satisfying and nutritious. Kalalea Juice Hale is a must-visit for foodies and anyone looking to enjoy a healthy meal while exploring the island.
Location: North Shore, Kaua‘i
@FoodieFinds: “Kalalea Juice Hale is a gem! The açaí bowls and smoothies are so fresh and delicious. Perfect spot for a healthy treat. #NorthShoreEats”
Na Pali coast, Kauai, Hawaii view from sea sunset cruise (Shutterstock)
Tips for Your Kaua‘i Journey
- Best Time to Visit: April to October for drier weather. Winter is greener and great for whale-watching.
- What to Pack: Reef-safe sunscreen, hiking shoes, and a light rain jacket.
- Respect the Land: Stay on marked trails, don’t disturb wildlife, and learn a few Hawaiian words like aloha (hello/love) and mahalo (thank you).
- Engage with Hawaiian culture by participating in local events and learning about the island’s traditions.
