20 Best Things to Do in Kauai, Hawaii

1. Napali Coast

Parks and Gardens, Hiking, Sightseeing

2 hours to Half Day

The Nā Pali Coast on the island of Kauai, Hawaii, offers an array of breathtaking experiences for nature enthusiasts and adventure seekers. Renowned for its emerald-green cliffs, cascading waterfalls, and pristine beaches, this remote coastline is best explored by boat, kayak, or on foot via the challenging Kalalau Trail. Hiking the Kalalau Trail provides stunning panoramic views and access to secluded beaches like Kalalau Beach, perfect for a peaceful retreat. Boat tours and kayaking excursions offer unique perspectives of sea caves and marine life, including dolphins and sea turtles. Helicopter tours provide a bird's-eye view of the dramatic landscape, capturing the coast's stunning beauty from above. Snorkeling in the clear waters reveals vibrant coral reefs teeming with tropical fish. Whether you're hiking, boating, or simply soaking in the scenic vistas, the Nā Pali Coast is a paradise that promises unforgettable adventures and awe-inspiring natural beauty.

2. Waimea Canyon and Koke'e State Park

Natural Wonders, Parks and Gardens, Hiking, Sightseeing

2 hours to Half Day

Waimea Canyon and Koke'e State Park, located on Kauai's west side, offer an array of outdoor activities and breathtaking scenery. Often called the "Grand Canyon of the Pacific," Waimea Canyon boasts dramatic vistas, with its deep red and green cliffs stretching over 14 miles long and 3,600 feet deep. Visitors can hike various trails, ranging from easy walks to challenging treks, each offering unique perspectives of the canyon's rugged terrain and cascading waterfalls. Koke'e State Park, adjacent to Waimea Canyon, is a paradise for nature enthusiasts. The park features over 45 miles of hiking trails through lush forests, leading to panoramic viewpoints like Kalalau Lookout and Puu O Kila, which offer stunning views of the Na Pali Coast. Birdwatching is popular here, with native species such as the Hawaiian honeycreeper. The Koke'e Natural History Museum provides insightful exhibits about the area's flora, fauna, and geology. Camping and picnicking facilities make it a perfect spot for a family outing or an extended adventure in Kauai's natural splendor.

3. Po'ipu Beach Park

Beaches, Free, Swimming/Pools, Sightseeing

2 hours to Half Day

Po'ipu Beach Park, located on the sunny south shore of Kauai, Hawaii, is a versatile destination offering a variety of activities for visitors of all ages. The park features golden sandy beaches, perfect for sunbathing and building sandcastles. The clear, turquoise waters are ideal for swimming, snorkeling, and spotting vibrant marine life, including Hawaiian green sea turtles and colorful fish. For adventure seekers, the park offers excellent boogie boarding and surfing conditions, especially near the offshore reef. Families will appreciate the sheltered wading pool, safe for young children, and the picnic areas equipped with tables and barbecue facilities. The park also includes restrooms, showers, and lifeguard services, ensuring a comfortable and safe visit. Nature enthusiasts can explore the nearby walking trails, which showcase the area’s stunning coastal scenery and native flora. Whether you're looking to relax, explore, or enjoy water sports, Po'ipu Beach Park provides a perfect Hawaiian beach experience.

4. Princeville Botanical Gardens

Parks and Gardens, Sightseeing

2 hours to Half Day

Princeville Botanical Gardens, located on the stunning north shore of Kauai, Hawaii, offers a serene and immersive experience for nature enthusiasts. Visitors can embark on guided tours through meticulously cultivated gardens, featuring a diverse array of exotic and native plants, including rare tropical flowers, vibrant orchids, and aromatic spices. The gardens are also home to a variety of fruit trees, providing an opportunity to taste fresh, tropical fruits right off the tree. One of the highlights is the cacao tree grove, where guests can learn about the chocolate-making process, from bean to bar, and sample handcrafted chocolate. The gardens also feature a tranquil stream and waterfall, offering picturesque spots for relaxation and photography. Educational tours provide insights into the cultural and medicinal significance of many plants, making it a rich learning experience. Whether you're a botanist, a photographer, or simply seeking a peaceful retreat, Princeville Botanical Gardens offers a captivating escape into nature's splendor.

5. Hike the Kalalau Trail

Parks and Gardens, Hiking, Recreation, Sightseeing

More than Full Day

Hiking the Kalalau Trail on Kauai's Napali Coast is an unforgettable adventure blending rugged natural beauty with a challenging trek. Spanning 11 miles one-way, the trail starts at Ke'e Beach and winds through lush valleys, dramatic cliffs, and pristine beaches. Early sections offer breathtaking views of the turquoise Pacific Ocean contrasting with the verdant cliffs. As you progress, you'll cross streams and navigate steep, narrow paths, requiring careful footing and stamina. Hanakapi'ai Beach, located two miles in, is a popular turnaround spot for day hikers but venturing further reveals hidden gems like the Hanakoa Valley and the awe-inspiring Kalalau Beach, where you can camp overnight with a permit. Along the way, you'll encounter native flora and fauna, secluded waterfalls, and panoramic vistas that make every arduous step worthwhile. The Kalalau Trail is a true test of endurance but rewards hikers with some of Hawaii's most spectacular and unspoiled scenery.

6. Wailua River State Park

Natural Wonders, Free, Parks and Gardens, Hiking, Recreation, Sightseeing

2 hours to Half Day

Wailua River State Park, located on the lush island of Kauai in Hawaii, offers a variety of activities for nature lovers and adventure seekers alike. One of the park's main attractions is a boat tour along the Wailua River, Hawaii's only navigable river, which provides stunning views of the surrounding tropical landscape. Kayaking is another popular option, allowing visitors to explore the river at their own pace. At the end of the river, you can hike to the enchanting Fern Grotto, a natural lava rock cave draped with ferns, where you might even catch a traditional Hawaiian wedding ceremony. For history enthusiasts, the park features several ancient Hawaiian sites, including the sacred Holoholoku Heiau, one of the oldest temples in Hawaii. Don't miss Opaeka'a Falls, a picturesque 151-foot waterfall that can be easily viewed from a roadside lookout. With its mix of natural beauty and cultural significance, Wailua River State Park provides a memorable Hawaiian experience for all ages.

7. Hanalei Bay

Beaches, Free, Recreation

2 hours to Half Day

Hanalei Bay, located on the north shore of Kauai in Hawaii, offers a stunning array of activities for visitors. The bay's crescent-shaped shoreline, framed by lush mountains and cascading waterfalls, makes it a picturesque destination. Water enthusiasts can indulge in swimming, paddleboarding, kayaking, and surfing, with the bay's gentle waves being perfect for beginners. Snorkeling is popular, allowing visitors to explore vibrant marine life in the crystal-clear waters. On land, the serene Hanalei Beach is ideal for sunbathing, beachcombing, and picnicking. The nearby Hanalei Pier is a favorite spot for fishing and provides excellent views of the bay, especially at sunset. For a touch of local culture, visit the charming town of Hanalei, where you can explore art galleries, boutique shops, and savor local Hawaiian cuisine at quaint restaurants. Outdoor enthusiasts can also enjoy hiking trails that offer panoramic views of the bay and the surrounding lush landscapes.

8. Snorkel at Tunnels Beach

Natural Wonders, Free, Swimming/Pools, Sightseeing

2 hours to Half Day

Snorkeling at Tunnels Beach, located on the north shore of Kauai, Hawaii, offers an unparalleled underwater experience for nature enthusiasts and adventure seekers alike. Known for its crescent-shaped reef and crystal-clear waters, Tunnels Beach is a haven for marine life, including vibrant coral formations, schools of tropical fish, and the occasional sea turtle. The beach features a mix of shallow and deeper areas, making it suitable for both beginners and experienced snorkelers. As you glide through the water, you'll encounter a stunning underwater landscape, with tunnels and archways formed by lava tubes that give the beach its name. The outer reef, with its more challenging depths, is perfect for those looking for a more exhilarating exploration. Beyond snorkeling, Tunnels Beach offers scenic views of the lush mountains and golden sands, making it an ideal spot for relaxation and sunbathing when you're ready to take a break from the underwater adventures.

9. South Shore

Beaches, Neighborhood/Area, Tours, Sightseeing

Half Day to Full Day

South Shore offers a diverse range of activities to suit various interests. Nature enthusiasts can explore the scenic landscapes of the South Shore Conservation Area, perfect for hiking, bird-watching, and picnicking. If you’re a beach lover, the pristine coastline provides ample opportunities for swimming, sunbathing, and beachcombing. For a dose of history and culture, visit the local museums and heritage sites that delve into the region’s rich maritime past. Adventure seekers can engage in water sports like kayaking, paddleboarding, and sailing. The area is also dotted with charming seaside towns, where you can stroll through quaint streets, browse unique shops, and savor fresh seafood at cozy restaurants. Don’t miss the vibrant local events and festivals that showcase the community’s talent and traditions. Whether you’re looking to unwind in nature or immerse yourself in local culture, South Shore has something for everyone.

10. Kalapaki Beach

Beaches, Free, Swimming/Pools, Sightseeing

2 hours to Half Day

Kalapaki Beach, located on the eastern coast of Kauai, Hawaii, offers a picturesque setting perfect for a variety of activities. The golden sands and gentle waves make it an ideal spot for swimming, sunbathing, and beach volleyball. The calm waters are also perfect for paddleboarding and kayaking. For those interested in surfing, the beach has designated areas where beginners can take lessons and catch their first waves. Adventure seekers may enjoy snorkeling to explore the vibrant marine life, while the scenic surroundings provide a perfect backdrop for photography enthusiasts. The adjacent Nawiliwili Harbor offers opportunities for sailing and boat tours, giving you a chance to see the island from a different perspective. Kalapaki Beach is also home to several waterfront restaurants and cafes, where you can savor Hawaiian cuisine while enjoying stunning ocean views. Nearby, the Kauai Marriott Resort offers amenities such as golf courses and spas, rounding out a perfect day at the beach.

11. Ke'e Beach

Beaches, Natural Wonders, Recreation, Swimming/Pools

1 to 2 hours

Ke'e Beach, located on the north shore of Kauai, Hawaii, is a tropical paradise that offers a variety of activities for visitors. Known for its crystal-clear waters and picturesque scenery, Ke'e Beach is an ideal spot for snorkeling, where you can explore vibrant coral reefs teeming with colorful fish. The calm lagoon, protected by a natural reef, makes it a safe and enjoyable experience for both beginners and experienced snorkelers. For those who prefer to stay on land, Ke'e Beach serves as the gateway to the famous Kalalau Trail, an 11-mile hike along the stunning Na Pali Coast. Even a short trek on this trail provides breathtaking views of the rugged coastline and lush valleys. Sunbathing and beachcombing are also popular activities; the golden sands and swaying palm trees create a perfect setting for relaxation. Don't forget to stay until sunset, as Ke'e Beach offers some of the most spectacular sunset views on the island.

12. Ha'ena Beach Park

Beaches, Free, Parks and Gardens, Sightseeing

2 hours to Half Day

Ha'ena Beach Park, located on the north shore of Kauai, Hawaii, is a picturesque destination known for its stunning natural beauty and diverse activities. Visitors can relax on the golden sandy beach, which offers breathtaking views of the rugged Na Pali Coast. The park is a fantastic spot for sunbathing, picnicking, or simply unwinding to the soothing sounds of the ocean. For the more adventurous, Ha'ena Beach Park provides excellent opportunities for snorkeling, especially at Tunnels Beach (Makua Beach), where the underwater world comes alive with vibrant coral reefs and a variety of marine life. Hiking enthusiasts can explore the nearby Kalalau Trail, a challenging yet rewarding trek that offers panoramic vistas of the coastline and lush valleys. Additionally, the park is home to the Maniniholo Dry Cave, a fascinating geological formation worth exploring. Whether you're looking to relax or seek adventure, Ha'ena Beach Park offers a perfect blend of activities amidst Kauai's natural splendor.

13. Allerton Garden

Parks and Gardens, Sightseeing

2 hours to Half Day

Allerton Garden, located on the south shore of Kauai, Hawaii, is a botanical paradise that offers a rich blend of natural beauty and artistic landscaping. Visitors can explore its meticulously designed gardens, featuring a variety of themed rooms with exotic plants, water features, and sculptures. A guided tour provides insight into the garden's history and the vision of its creators, Robert Allerton and John Gregg Allerton. Highlights include the dramatic ficus tree grove, often recognized from its appearance in movies like "Jurassic Park," and the serene Lawai Stream that meanders through the garden. For those interested in botany, the garden boasts an impressive collection of rare and endangered tropical plants. Photography enthusiasts will find endless opportunities to capture the lush scenery and intricate details. Whether you're a nature lover, a history buff, or simply seeking tranquility, Allerton Garden offers a captivating experience.

14. Anini Beach

Beaches, Free, Sightseeing

2 hours to Half Day

Anini Beach, located on the North Shore of Kauai, Hawaii, offers a serene and picturesque getaway with its calm, crystal-clear waters and expansive stretch of golden sand. The beach is sheltered by one of the longest and widest fringing reefs in Hawaii, making it an ideal spot for snorkeling and swimming, especially for families and less experienced swimmers. The tranquil waters are home to vibrant coral formations and a diverse array of marine life, including sea turtles and colorful fish. For those interested in water sports, Anini Beach is also a popular destination for windsurfing and stand-up paddleboarding, thanks to its gentle breezes and relatively shallow waters. On land, the beach provides ample space for sunbathing, beachcombing, and picnicking under the shade of ironwood trees. Additionally, the nearby Anini Beach Park offers facilities such as restrooms, showers, and picnic tables, ensuring a comfortable and enjoyable visit. Whether you're seeking adventure or relaxation, Anini Beach has something for everyone.

15. Old Koloa Town

Free, Neighborhood/Area, Sightseeing

1 to 2 hours

Old Koloa Town, located on the island of Kauai in Hawaii, offers a charming blend of history, culture, and natural beauty. As you stroll through this historic sugar plantation town, you can explore a variety of unique shops, boutiques, and art galleries that feature local crafts, artwork, and souvenirs. Food lovers will enjoy the diverse dining options, ranging from traditional Hawaiian cuisine to contemporary dishes at cozy cafes and restaurants. History enthusiasts can visit the Koloa History Center, which provides fascinating insights into the town's rich past, including its pivotal role in Hawaii's sugar industry. For a dose of nature, head to nearby Poipu Beach, where you can bask in the sun, swim, or snorkel in crystal-clear waters. The town also hosts cultural events and festivals, offering visitors an opportunity to experience traditional Hawaiian music, dance, and crafts. Old Koloa Town seamlessly blends its historic charm with modern amenities, making it a must-visit destination on Kauai.

16. Kilauea Point National Wildlife Refuge and the Kilauea Lighthouse

Parks and Gardens, Recreation, Sightseeing

1 to 2 hours

Kilauea Point National Wildlife Refuge and the Kilauea Lighthouse, located on the northern shore of Kauai, Hawaii, offer a blend of natural beauty and historical significance. Visitors can explore the refuge, which serves as a sanctuary for a variety of seabirds, including the endangered Hawaiian goose (Nene) and the Laysan albatross. Birdwatching is a popular activity, with educational displays and guided tours enhancing the experience. The refuge also provides stunning coastal views, perfect for photography and leisurely walks. The iconic Kilauea Lighthouse, built in 1913, stands as a testament to maritime history. Visitors can tour the lighthouse, learning about its role in guiding ships and its architectural features. The vantage point from the lighthouse offers panoramic views of the Pacific Ocean, where during the winter months, you might spot migrating humpback whales. The combination of wildlife observation, historical exploration, and breathtaking scenery makes this destination a must-visit on Kauai.

17. Hanapepe

Neighborhood/Area, Sightseeing

2 hours to Half Day

Hanapepe, often referred to as Kauai's "biggest little town," is a charming and artistic haven located on the island of Kauai in Hawaii. Known for its rich history and vibrant arts community, Hanapepe offers a variety of activities for visitors. Stroll down Hanapepe Road, where you'll find an array of art galleries, local boutiques, and quaint cafes. Every Friday evening, the town comes alive with Hanapepe Art Night, featuring live music, food trucks, and local artists displaying their works. For a touch of history, visit the Hanapepe Swinging Bridge, a historic suspension bridge that provides a unique vantage point over the Hanapepe River. Nature enthusiasts can explore the nearby Salt Pond Beach Park, perfect for swimming, snorkeling, and picnicking. Don't miss the chance to sample local delicacies at the community's eateries, which offer a taste of traditional Hawaiian cuisine. Whether you're an art lover, history buff, or outdoor adventurer, Hanapepe has something to delight every visitor.

18. Kauai Plantation Railway at Kilohana

Parks and Gardens, Recreation, Sightseeing

2 hours to Half Day

The Kauai Plantation Railway at Kilohana offers a charming and educational experience on the lush island of Kauai. Visitors can embark on a scenic train ride through the historic Kilohana Plantation, which spans 105 acres. The vintage train takes you on a leisurely 40-minute journey through working agricultural lands, where you'll see fields of sugarcane, pineapple, and tropical flowers. Along the way, knowledgeable guides share fascinating insights into the plantation's history and the island's agricultural heritage. The ride includes a stop at the plantation’s animal farm, where you can interact with friendly farm animals, including goats, sheep, and pigs. For an added treat, consider the Luau Kalamaku package, which combines the train ride with a traditional Hawaiian luau, complete with a feast and cultural performances. Whether you’re a history buff, nature lover, or family with kids, the Kauai Plantation Railway offers a delightful glimpse into Kauai’s rich past and vibrant present.

19. Luau Kalamaku

Entertainment and Nightlife, Sightseeing

2 hours to Half Day

Luau Kalamaku, located in Lihue, Kauai, is a vibrant and immersive Hawaiian cultural experience that offers a captivating evening of entertainment, history, and traditional cuisine. Upon arrival, guests are warmly greeted with a lei and have the opportunity to explore local artisan crafts and cultural demonstrations, such as hula dancing and lei-making. The centerpiece of the evening is the mesmerizing theatrical performance that tells the ancient story of the Polynesian journey to the Hawaiian Islands through dramatic storytelling, live music, and stunning hula and fire dances. The luau also features a lavish buffet dinner showcasing authentic Hawaiian dishes, including kalua pig, fresh island fish, poi, and tropical fruits, providing a feast for the senses. Throughout the evening, guests can enjoy tropical cocktails and beverages while soaking in the enchanting atmosphere of the plantation setting. Luau Kalamaku is a perfect blend of cultural immersion and celebration, offering an unforgettable experience for all ages.

20. Fern Grotto

Natural Wonders, Tours, Sightseeing

1 to 2 hours

Fern Grotto, located on the lush island of Kauai in Hawaii, is a captivating natural wonder accessible primarily by boat along the scenic Wailua River. This enchanting cave, draped in verdant ferns and tropical foliage, offers a serene and picturesque setting perfect for a tranquil escape. Visitors can embark on a guided boat tour, often accompanied by live Hawaiian music and hula performances, enhancing the cultural experience. Once at the grotto, you can immerse yourself in the stunning scenery, capturing photos of the unique plant life and the cave's striking natural architecture. The grotto is also a popular spot for weddings and vow renewals, thanks to its romantic ambiance. While you can't venture inside the grotto itself due to preservation efforts, the viewing platform provides an excellent vantage point to appreciate its beauty. Whether you're a nature lover, a photography enthusiast, or someone seeking a peaceful retreat, Fern Grotto offers a delightful and memorable experience.