Henry Moses Aquatic Center
Renton, WA
Large outdoor aquatic center in Renton with lazy river, wave pool, water slides, shallow play space, concessions, party tents, and structured summer swim sessions.
Renton's outdoor aquatic center combines pool attractions with family play amenities.
Photo 1 of 2. Renton's outdoor aquatic center combines pool attractions with family play amenities.
Editorial notes
What stands out
This is the big outing option in Renton: more planning and more cost than a splash pad, but much more payoff if your family wants a full water day.
Good fit
- Families wanting a destination-style outdoor water day with multiple attractions.
- Sibling groups with mixed interests, from shallow play to slides and wave pool fun.
- Birthday parties and larger group gatherings.
- Parents who prefer concessions, showers, and locker rooms on-site.
Consider another option if
- Families wanting a quick free drop-in spray park.
- Visitors who dislike timed sessions or advance planning.
- Parents looking for a small, low-stimulation splash environment.
Know Before You Go
- Season
- Seasonal summer operation, with season pass validity listed June 20 to September 7.
- Bring
- Swimsuits
- Bring
- Towels
- Bring
- Swim diapers if needed
- Bring
- Locker supplies
- Bring
- Sun protection
What to Expect
For kids
- Toddlers
- Preschoolers
- Big kids
- Mixed ages
- Ground sprays
- Small slides
For caregivers
- Changing area
- Concessions
- Outdoor rinse area
- Partly shaded
- On site
- Partially fenced
- Visit type
- Destination outing
Read more about this location
Henry Moses Aquatic Center is a full-scale summer water-play destination rather than a simple splash pad, but it clearly fits family water-play planning in the Seattle metro. The official city page lists a lazy river, wave pool, water slides, lap pool, concessions, locker rooms with showers, party rentals, and a designated shallow play area used for Half-Pint Splash-N-Play. Open swim runs in timed three-hour sessions, which makes this a more structured visit than a city spray park. It is best for families who want a bigger splash experience with amenities and party options, especially if younger kids benefit from zero-depth entry and shallow-water play space while older kids want slides and a wave pool.
Accessibility
Considerations
Timed sessions and busy crowds can make the environment less sensory-friendly than a small spray park.
Accessibility and comfort
Accessible restroom nearby
Location
1719 Maple Vly Hwy
Renton, WA, 98057
Other options nearby
Crossroads Water Spray Playground
Popular East Bellevue spray playground with playful animal-themed sprays, accessible design, nearby restrooms, picnic shelters, and a larger park that makes it easy to turn water play into a full outing.
Bellevue Downtown Park Water Spray Playground
Downtown Bellevue spray playground paired with the inclusive Inspiration Playground, nearby parking, restrooms, and a polished central-park setting.
Sources & Updates
1 public source on record · Last checked Apr 10, 2026. Time-sensitive details may have changed.
View source and update details
- Last check on record
- Apr 10, 2026
- Sources reviewed
- 1 public source
Public sources
- City of Renton - Henry Moses Aquatic Centerrentonwa.gov
Official venue page contains current admissions, session format, rental pricing, and location.
Checked: name, address, phone, email, features, pricing