THE ADVENTURE COLLECTIVE® · Independent discovery and booking for outdoor travel
Spend a half- to full-day at Wai Kai Lagoon in Ko Olina, Oʻahu: a 52-acre calm-water playground with a floating obstacle course, splash pad and rental SUPs, kayaks and hydro bikes. Ideal for families and mixed-skill groups, the experience blends active play with easy lagoon paddling.
Spend a half- to full-day at Wai Kai Lagoon in Ko Olina, Oʻahu: a 52-acre calm-water playground with a floating obstacle course, splash pad and rental SUPs, kayaks and hydro bikes. Ideal for families and mixed-skill groups, the experience blends active play with easy lagoon paddling.
Book with The LineUp at Wai Kai
Book directly with The LineUp at Wai Kai for the best rates and real-time scheduling.
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Operated by The LineUp at Wai Kai · Ko Olina (Kapolei), Hawaii
The boardwalk smells of sun-warmed wood and salt as you step toward Wai Kai Lagoon. Trade winds push low, and the lagoon’s glassy surface dares you to test balance on a paddleboard or sprint down a 20-foot slide. Children’s laughter punctuates the air where the ʻOhana Splash Pad splashes shaded refuge; beyond, a network of floating obstacles waits — monkey bars, balance beams and climbing walls linked across a 52‑acre protected basin.
easy.
3–7 hours.
Suitable for most fitness levels; basic swimming comfort recommended for water play and rentals.
Yes—life jackets are provided for most water activities and rentals; children are required to wear them where posted.
The ʻOhana Splash Pad is designed for toddlers and young children, but the floating obstacle course has height/age and supervision rules—check with the kiosk for current age limits.
Reservations are recommended during peak season—walk-up rentals are sometimes available but can sell out on busy days.
The lagoon is shallow and primarily for recreation; better snorkeling is found at nearby natural reef spots—ask local staff for recommended sites and safety guidance.
Ko Olina’s lagoons are engineered basins developed in the late 20th century on Oʻahu’s leeward coast; the area references Hawaiian place names and community values in signage and programming.
Operators encourage reef-safe sunscreen and limited gear that disturbs the bottom; guests are asked not to touch marine life and to follow posted guidelines to keep the lagoon and neighboring reefs healthy.
The LineUp at Wai Kai operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.
Book with The LineUp at Wai Kai
Book directly with The LineUp at Wai Kai for the best rates and real-time scheduling.
Reserve Now