Take on five lagoon play zones with obstacle courses, slides, and splash-pad fun
AquaVenture, AquaPeakz, slides
Explore five lagoon play zones with obstacle courses, a slide tower, and a splash pad. Choose challenges suited to your age, from the Keiki Course to elevated over-water obstacles.
Cancel at least 48 hours before start for a refund less a $5 administrative fee. Cancellations within 48 hours and no-shows are nonrefundable. If Wai Kai cancels, you'll be offered alternative booking options or a full refund.
Product ID: 9ZD4AW
Ages 4–6 require full-time adult supervision on the Keiki Course or Ohana Splash Pad. Adults accompanying only a Keiki Course participant are limited to the Keiki Course and splash pad.
No. Wai Kai Lagoon Adventure does not include lagoon watercraft rentals or surfing sessions.
Guest Services, Wai Kai, 91-1621 Keoneula Blvd, Ewa Beach, HI 96706
At Wai Kai, the calm waters of a purpose-built lagoon stretch out beneath the wide Hawaiian sky, inviting you to paddle, swim, or simply sit and watch the light shift over the Ewa Plain. The scent of salt air mingles with grilling food from nearby vendors, and the pace here is unhurried in the way that only a true Hawaii waterfront can be. Wai Kai gives West Oahu a gathering place that feels both local and welcoming to anyone making the short drive from Honolulu.
This venue combines a wave pool, floating obstacle courses, and The Lookout restaurant into one waterfront destination on Oahu's west side. The food consistently earns praise, particularly the mochiko chicken, ribeye, and surprisingly generous kids' portions. Servers get called out frequently for being friendly and accommodating, with military discounts available and a relaxed atmosphere where families can linger for hours without feeling rushed. The Thursday night market scene has become a local favorite, with happy hour overlooking the wave pool followed by food trucks and live music on the lawn. The aqua courses appeal to different age groups, from little ones on the baby side to teens tackling the elevated obstacles at Aquapeakz. A three-hour session seems to be the sweet spot for most visitors. There are some concerns worth noting about cleanliness around the floating structures and occasional billing confusion at checkout, so double-check your totals and discount applications. The venue hosts special events, though policies can be restrictive. Overall, it's a solid option for families looking for something different to do, especially if you combine the water activities with a meal at The Lookout for the full experience.
The facilities are good. They also hold events regularly. The staff seem a bit lax, perhaps because it's not yet well-known. There are Japanese staff members, so I have high hopes for the future. The facilities are very interesting, and the prices are reasonable considering it's in Hawaii.
Makoto Ishikawa
August 18, 2026
The facilities are good. They also hold events regularly. The staff seem a bit lax, perhaps because it's not yet well-known. There are Japanese staff members, so I have high hopes for the future. The facilities are very interesting, and the prices are reasonable considering it's in Hawaii.
Makoto Ishikawa
August 18, 2026
Build speed and refine advanced maneuvers on Wai Kai's 65-foot wave
Relax in a private floating cabana on Wai Kai Lagoon
Explore Wai Kai Lagoon at your pace by outrigger canoe or surfski
Sail the Wai Kai Lagoon with captain-led lessons or approved self-operation
Reserve a Wai Kai waterfront cabana for shade, seating, and easy lagoon access
Ride the wave, paddle the lagoon, and access obstacle courses with VIP perks