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Henry Moses Aquatic Center in Renton with outdoor pools and family water-play amenities.
Fixed locationSplash Pad + Pool Combos

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.
Plan This Visit

Best for

Broad family appeal, with especially good fit for preschoolers through tweens.

Price

More expensive than a municipal splash pad, but priced like a full outdoor aquatic attraction.

Visit style

Destination outing

Birthday parties

Available

Atlas Perspective

Editor's Take

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.

Atlas Perspective

Best Fit

Best For
  • 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.
Less Ideal For
  • 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.

At a Glance

Venue type

Splash pad + pool combo

Age groups

ToddlersPreschoolersBig kidsMixed ages

Water features

Ground spraysSmall slidesToddler zone

Family amenities

Changing areaConcessionsOutdoor rinse area

Cost

Paid

Shade level

Partly shaded

Bathroom access

On site

Fencing

Partially fenced

Accessibility and comfort

Accessible restroom nearby

Visit options

Timed entryBirthday partiesPrivate rentalsReservation required

Season model

Summer season

Toddler-friendly

Yes

Verified only

Yes

Operator type

City parks department

Hours vary with season or weather

Yes

Plan Your Visit

Facilities
  • Locker rooms with showers
  • Concessions
  • Party tents
  • Slides
  • Wave pool
  • Lazy river
  • Lap pool
Lap Swim Morning06:00-08:00 Monday-Thursday; 08:00-11:00 Saturday-Sunday
Open Swim Sessions
11:30 14:3015:30 18:30
Rules Highlights
Children 12 and under must be supervised by an adult 18+Guests under 3 must wear approved swim diapersThunder or lightning clears the waterGuests must shower before entering the pool
Season WindowSeasonal summer operation, with season pass validity listed June 20 to September 7.
Water Walking Morning08:00-11:00 Monday-Thursday and Saturday-Sunday
What To Bring
SwimsuitsTowelsSwim diapers if neededLocker suppliesSun protection

Pricing Snapshot

Lap Swim Water Walking

Ages 18 Plus

$7
Open Swim

Ages 1 To 4

$8

Ages 5 Plus

$16

Under 1

Free
Season Passes

Open Swim Ages 1 To 4 Non Resident

$90

Open Swim Ages 1 To 4 Resident

$75

Open Swim Ages 5 Plus Non Resident

$180

Open Swim Ages 5 Plus Resident

$150
SummaryMore expensive than a municipal splash pad, but priced like a full outdoor aquatic attraction.

About the Venue

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.

Atlas Perspective

Indoor Play Atlas Notes

Age FitBroad family appeal, with especially good fit for preschoolers through tweens.
Booking FrictionModerate
Energy LevelHigh
Noise LevelHigh
Parent ComfortHigh on amenities, lower on spontaneity because of pricing and session structure.
Visit StyleDestination outing

Birthday Party Snapshot

Entire Facility Rental$3800 resident / $4800 non-resident
Notes
Additional admissions may be available subject to daily limits.Entire-facility rentals must be made at least one week in advance.
Party Tent 1$600 resident / $700 non-resident for 25 admissions
Party Tent 2$500 resident / $600 non-resident for 25 admissions
Party Tent 3$250 resident / $300 non-resident for 10 admissions
Private Rental HoursFridays, Saturdays, and Sundays from 19:00-21:00
SummaryOne of the strongest party-friendly water venues in the region, with dedicated tent rentals and full-facility rental options.

Accessibility & Comfort

Considerations
Timed sessions and busy crowds can make the environment less sensory-friendly than a small spray park.Slide height and swimming ability rules limit some attractions by size and skill.
Features
Zero-depth entry in Half-Pint Splash-N-Play areaLocker rooms with showersShallow designated play area for younger children
Accessible restroom nearby

Gallery

Henry Moses Aquatic Center exterior water-play view.
Renton's outdoor aquatic center combines pool attractions with family play amenities.
Henry Moses Aquatic Center program schedule graphic.
Open-swim and program hours run on a structured seasonal schedule.

External Links

WebsiteBookingFacebookInstagramDirections

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Quick Summary

Best for

Broad family appeal, with especially good fit for preschoolers through tweens.

Price

More expensive than a municipal splash pad, but priced like a full outdoor aquatic attraction.

Visit style

Destination outing

Birthday parties

Available

Contact Information

Address

1719 Maple Vly Hwy

Renton, WA, 98057

Location
WashingtonSeattle MetroRenton, WA
Source & Verification

Last updated

April 10, 2026

Verification summary

Last verified: April 10, 2026

Checked against 1 public source.

Source

Ai Region Research

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