20 Fun Things to Do in Kauai for Free

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A beach with sandy shores, palm trees, and turquoise water under a sky with a rainbow
Kauai has an array of free attractions to discover

One of the most beautiful areas of Hawaii in the United States is the island of Kauai. This scenic destination offers travelers an array of outdoor activities to enjoy. From hiking to relaxing on the beach and participating in water sports, Kauai has something to offer everyone.

Best of all, you can find numerous fun things to do in Kauai for free. Along with outdoor attractions, you can try ukulele lessons, watch hula shows, and much more, all at no cost. If planning a visit to this part of Hawaii, read on for some Kauai free activity suggestions.

Heading to Kauai and planning last-minute?

To make the most of your visit to Kauai, we recommend you book accommodations and experiences soon. See the short list of top suggestions below.

🏨 Top accommodations in Kauai

☂️ Top tours and experiences in Kauai

20 Best Free Things to Do on Kauai, Hawaii

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One of the fun things to do in Kauai for free is snorkeling at Hanalei Bay
Snorkeling at Hanalei Bay is one of the fun things to do in Kauai for free

Go snorkeling at Hanalei Bay

Hanalei Bay is one of the most beautiful places in Kauai. This coastal area has a stunning beach and clear, calm ocean waters.

If you have snorkeling gear, then visiting the bay to snorkel is a must (and it's free!) Marine life you may see in the water includes an array of tropical fish and green Hawaiian sea turtles. You may also spot seals, dolphins, or whales from the shore.

☂️ Visit Hanalei Bay with a tour

Try coffee at the Kauai Coffee Company

Coffee is an important product in Hawaii, with many farms growing beans and producing Hawaiian coffees. In Kauai, the Kauai Coffee Company is a very large producer.

When in the area, you can visit the Kauai Coffee estate for free to participate in a tasting. You'll also learn more about coffee production and can tour the estate.

☂️ Visit the Kauaʻi Coffee Company on a tour

An aerial shot of tall twin waterfalls going over a cliff in a lush jungle
Wailua River State Park is the ideal place to hike and see majestic waterfalls

Follow hiking trails at Wailua River State Park

If you like outdoor activities, then one of the things to do on Kauai for free that you have to do is follow some hiking trails at Wailua State Park. This gorgeous park has many attractions to discover as you hike on various paths.

Things to see include the Wailua River, the magical Fern Grotto, and various waterfalls. The Wailua Twin Waterfalls are a highly recommended natural phenomenon to see. Walking through the dense, lush forest and discovering various landmarks will please all outdoor and nature enthusiasts.

☂️ Discover the Wailua River State Park on a tour

Wander along the Mahaulepu Heritage Trail

The Mahaulepu Heritage Trail is a scenic coastal path from Shipwreck Beach to Punahoa Point. Along the way, you can take in breathtaking views of the ocean and surrounding cliffs, coastline, and lava formations. Wildlife sightings are also guaranteed.

This trail is 3.7 miles long, and most activity levels will be able to tackle it from start to finish. You can also walk the trail with your dog on leash.

🏨 Stay nearby the Mahaulepu Heritage Trail

Dolphins swimming in the ocean with cliffs on the shore
You can spot dolphins for free from many places in Kauai

Spot whales and other marine creatures

Kauai is home to an array of sea life, including marine mammals, like whales and dolphins. While you can get the chance to see these creatures on paid-for excursions, you don't have to pay to do so. Luckily, you can see whales and other marine animals from the shore.

Places you may spot humpback whales and dolphins include Poipu Beach, the top of Kilauea Lighthouse, and on the Kapaa Overlook. Visiting places known for whale sightings is one of the best Kauai free activities for animal lovers.

☂️ Visit Kauai on a tour

Attend free events at the National Tropical Botanical Garden

The National Tropical Botanical Garden includes five gardens on Kauai. These include the Allerton and McBryde Gardens. While you must pay to explore these pretty gardens, a range of free events are hosted across the five botanical gardens each week.

Events to attend include free hula shows, yoga sessions, and educational sessions. There is also a weekly craft market that you can explore and free movie nights with on-site food trucks.

🏨 Stay near McBryde & Allerton Gardens, National Tropical Botanical Garden

☂️ Visit McBryde & Allerton Gardens, National Tropical Botanical Garden on a tour

Ocean water flowing onto a sandy beach with trees and a building in the distance
Hanging out at Poipu Beach Park is always a good idea!

Spend the day at Poipu Beach Park

You can find many beaches in Kauai, and Poipu Beach Park is one of the most popular. Of course, hanging out on this beach is completely free too. This South Shore beach has soft sand, sparkling turquoise water, and generally warm, sunny weather.

At the beach, you can sunbathe, play games, swim, and much more! You may even spot some monk seals. Poipu Beach is the ideal palace to spend a relaxed day in the sun.

☂️ Explore Poipu Beach Park with a tour

🏨 Places to stay close to Poipu Beach Park

Look around the Kauai Culinary Market

One of the best Kauai attractions that will help you connect with the locals is the Kauai Culinary Market. This food market is at the Shops at Kukuiula, and you can enter for free.

Walking from stall to stall to admire all the local food is fun even if you don't buy anything. Free cooking demonstrations are often held too. Having walked around the culinary market, you can do some window shopping in the Shops at Kukuiula.

🏨 Accommodations in close proximity to The Shops at Kukuiula

Water spraying out of volcanic rocks with the ocean in the background
A must-do free activity is Kauai is seeing Spouting Horn

View the fascinating Spouting Horn

One of Kauai's most unique geological features is the Spouting Horn Blowhole located in Spouting Horn Park. The blowhole developed due to volcanic erosion of rocks.

When at the park, you can see seawater pushed through the holes in the volcanic rocks and sprayed up to 50 feet in the air. Visiting Spouting Horn is one of the free activities in Kauai that can't be missed.

☂️ Visit Spouting Horn with an experience

Window shop at Poipu Shopping Village

Even if you don't want to splurge, taking a trip to Poipu Shopping Village to do some window shopping is a fun experience. This open-air shopping mall has a range of shops. Clothing, jewelry, and gift shops are just some of the stores to visit.

The shopping village additionally holds free events each week. These events include dance performances and live music shows.

🏨 Stay near the Poipu Shopping Village

An aerial view of a beach with sand and ocean water and palm trees surrounding
You can enjoy incredible views for free on the Kalalau Trail

Hike the Na Pali Coast on the Kalalau Trail

The Na Pali Coast State Wilderness Park is located in northwest Kauai. This park features lush forest and stunning coastline with sparkling ocean and towering cliffs surrounding beaches below.

A popular free activity on the Na Pali Coast is hiking the Kalalau Trail. On the trail, you'll be taken past Hanakapiai Falls and will walk from Ke'e Beach to Kalalau Valley.

Visit Kauai's Hindu Monastery

If you're wondering what to do in Kauai for free, a visit to the Hindu Monastery is highly recommended. The monastery is located within tropical gardens and is open to visitors in the mornings.

When visiting, you can take a guided tour where you can learn more about Hinduism in Hawaii and the history of the Monastery. Going to the Hindu Monastery is a unique and educational cultural activity that is extremely worthwhile.

A sandy beach with ocean water flowing onto shore under a sunrise
Lydgate Beach Park is a peaceful and family-friendly beach

Hang out at Lydgate Beach Park

If you want to spend some time on the beach, sunbathing and taking in coastal views, you must go to Lydgate Beach Park. This tranquil beach is the perfect place to relax and enjoy a picnic.

Along with being a great free attraction, Lydgate Beach Park is very family-friendly. If traveling to Kauai with kids, be sure to add a trip to this beach to your to-do list.

🏨 Places to stay near Lydgate Beach Park

Try a range of activities at Coconut Marketplace

Coconut Marketplace is another of Kauai's open-air shopping malls that houses an array of unique shops. Along with visiting these stores, there are lots of events to join in at no cost when at Coconut Marketplace.

Activities to try include ukulele classes, hula classes, and lei making classes. You can also catch free hula shows at the mall, and there is often a farmers' market to explore.

🏨 Stay near the Coconut Marketplace

A white and red lighthouse on a cliff with the ocean behind it
If you climb to the top of Kilauea Lighthouse, you can take in views of Kilauea

Enjoy stunning views from the Kilauea Lighthouse

Another of Kauai's landmarks is the Kilauea Lighthouse on the North Shore. Constructed in the early 1900s, the lighthouse still stands in Kilauea Point National Wildlife Refuge to this day.

If you want to take in incredible views, one of the things to do in Kauai, Hawaii, for free that you can't miss is going to the top of the Kilauea Lighthouse. After climbing a few flights of stairs, you'll get to look out across the Kilauea Peninsula at the stunning coastline.

☂️ Visit the Kilauea Lighthouse on a tour

Discover local arts and crafts at Hanapepe Art Night

A fun and laid-back Friday night activity that costs nothing is attending Hanapepe Art Night. Taking place in the small town of Hanapepe, the art night allows local artists to show their work.

As you explore the arts and crafts, you can enjoy live music. If you want to stop for a snack, there are also many quaint independent eateries in the area.

Tall mountains covered in greenery with a waterfall in the middle
You can explore Waimea Canyon State Park at no cost, and there's a lot to see

Explore Waimea Canyon State Park

Kauai's Waimea Canyon State Park is often likened to the Grand Canyon. It's definitely one of the most stunning natural landmarks in Hawaii. If you want to explore the park, there are many ways to do so.

The park has an array of hiking trails, all of which have multiple lookouts and offer incredible views. You can also bike here, and there are waterfalls to discover too.

☂️ Explore Waimea Canyon State Park on a tour

A wooden suspension bridge over a river with a mud path and grass to one side
Running across the Hanapepe Swinging Bridge is daring, fun, and free!

Dare to run over the Hanapepe Swinging Bridge

Those looking for free stuff to do in Kauai must visit the Hanapepe Swinging Bridge. Located in Hanapepe, this attraction is a wooden swinging suspension bridge that crosses a river.

A popular activity of locals and tourists is to challenge each other to run across the bridge to the other side. If in the area, checking out the bridge and attempting the short but daunting cross is a must!

Learn about Kauai at the Koke'e State Park Museum

Koke'e State Park, in northwest Kauai, is beautiful and full of green forest and wildlife. The park has a few easy hiking trails to follow that offer scenic views and the chance to spot wildlife.

While in the park, be sure to head to the museum and visitor center too. Here you can see exhibits relating to the park and Kauai in general. You can also chat with staff who will help you plan which routes to follow to see everything the park has to offer.

☂️ Explore Kōkeʻe State Park with a tour

A path going towards a mountain covered in greenery under a blue sky
Hiking to Sleeping Giant's peak allows you to take in stunning views

Climb up Sleeping Giant

Another attraction that offers outstanding views of Kauai is Sleeping Giant, also known as Nounou Mountain. Located in the Nounou Forest Reserve, you can attempt various trails that will take you up to the mountain peak.

You can also enjoy incredible scenic views as you work your way up. Best of all, you can tackle this hike for free.

In Summary

Kauai is an ideal vacation destination for all types of travelers, from families with young kids to couples wanting a romantic getaway. What's great is that there are numerous things to do on Kauai for free. Hopefully, this list of activities you can try at no cost in Kauai has inspired you to book a trip, even if you have a limited travel budget.

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Written by Alli Sewell

allisewell FORMER WRITER Currently based in Canada, Alli has also lived and worked in the UK and Brazil and traveled in North and South America, Europe, Australia, and Asia. She loves finding the best photo-ops and food and drink locations wherever she goes.

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