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A hiker with a large backpack stands near a rocky stream.

Explore

Wailua River Marina

This active marina is the starting point for your Fern Grotto river cruise or independent kayak trip.

Photo: tour listing on Viator

Located just off Highway 56, the marina offers boat docks, rental shops, and historical sites. All non-resident visitors must pay a $10 vehicle parking fee and a $5 per person entry fee using a credit card.

Arrive early to secure parking and find your tour departure point.

A tall waterfall cascading down a rocky cliff face amidst greenery.
Photo: tour listing on Viator
01

Smith's Boat Tour Launch

15-30 mins priorTour check-in

This is the departure dock for the popular guided river cruises up the Wailua River. The open-air riverboats leave from here for the 90-minute round-trip journey to the Fern Grotto. Check in 30 minutes early to secure a good seat on the boat.

A large fallen log in a forest with a waterfall behind.
Photo: tour listing on Viator
02

Kayak Rental Operations

30 mins orientationClosed weekends

Various outfitters operate from the marina, renting kayaks and paddleboards for independent river exploration. Expect a 30-minute orientation before you paddle the two miles upriver. Make reservations in advance because rentals frequently sell out. Note that rentals are prohibited by law on weekends.

A wooden boardwalk trail running alongside a river through a forest.
Photo: tour listing on Viator
03

Wailua Complex of Heiau

20 minsHistoric landmark

These are the remains of ancient Hawaiian temples located near the river mouth. The area was historically a sacred place reserved strictly for Hawaiian royalty. Take a moment to read the interpretive signs detailing the history of this National Historic Landmark.

Rent a Kayak at the Marina

Several people paddling in red and yellow kayaks on a river.
Kayak Rental on Wailua River24 h 4.3 (3)from $59
kayak rentalfrom $59 on Viator
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