In short
- Park entry and parking are completely free.
- Guided kayak tours range from $50 to $95 per person.
- Motorized boat cruises to Fern Grotto start from $109.
In this article
You do not have to pay to enter Wailua River State Park. Viewing its roadside waterfalls is entirely free. The true cost of your visit depends entirely on how you choose to explore the river.
Is there a Wailua River entry fee?
No, entry to Wailua River State Park is completely free for all visitors.
You can drive through the park and visit the Wailua River Overlook for free. Roadside attractions like Wailua Falls also charge no admission fee. Parking at the state park boat ramp and the marina costs nothing.
How much does a kayak or paddleboard rental cost?
Renting a kayak or stand-up paddleboard costs from $64 per person.
If you prefer to explore independently, rentals provide the gear you need to reach Secret Falls. Rentals generally include the board or kayak, paddles, life vests, and a dry bag for your electronics. Prices change based on the provider.
What is the price for a guided kayak and hike tour?
Guided kayak and hike combo tours typically range from $50 to $95 per person.
These guided trips take you 2 miles (3.2 kilometers) upstream and include a 1.5-mile hike to Secret Falls. Premium tours with added amenities or private guides can cost from $135 to $165 per person. Tour prices change by season.
How much is the Fern Grotto boat tour?
A motorized open-air boat tour to Fern Grotto costs from $109 per person.
Since 1946, Smith's Kauai has operated these motorized trips up the river. The boat ride takes about 1 to 2 hours and features live Hawaiian music. It is the easiest way to see the acoustic lava-rock cave without paddling.
Are there costs for parking at Wailua River?
No, parking at the Wailua River Marina and state park lots is free.
While parking costs nothing, spaces fill up quickly during peak morning hours. Arrive before 10:00 AM to easily secure a spot in the marina lots.
Can I view the waterfalls for free?
Yes, you can view both Wailua Falls and ʻŌpaekaʻa Falls for free.
Wailua Falls is an 80-foot double-tiered waterfall visible directly from the roadside parking area on Maʻalo Road. ʻŌpaekaʻa Falls, a 151-foot cascade, is visible from a free highway lookout point on Kuamoʻo Road.
Compare Wailua River activity costs
Your budget determines how you experience the river, from free views to guided tours.
Choose the option that fits your time and budget. Guided options cost more but include equipment, safety instruction, and local history.
Questions travellers ask
Do I need to pay to park at Wailua River?
No, parking is free at the Wailua River Marina and the state park boat ramp. Arrive early to easily find a space.
Can you swim in the Wailua River for free?
Yes, swimming is free, but you must take strict precautions. Never swim with open cuts or swallow the water due to the risk of Leptospirosis.
Are there entrance fees for Wailua Falls?
No, Wailua Falls requires no entrance fee. It is located at the south end of the river system and can be seen directly from the road.
