Best Water Parks & Splash Pads for Kids Near South Bay LA

South Bay summers are gorgeous but they get hot, and when your kids are bouncing off the walls at 2pm on a 90-degree Saturday, you need a plan that involves water and isn't just "go to the beach again." Between splash pads, public pools, and water parks within driving distance, there are more options than most parents realize. Here's every water play spot worth knowing about, from the free neighborhood splash pad to the full-scale theme park experience.

Seaside Lagoon — Redondo Beach

Seaside Lagoon is a South Bay institution. It's a heated saltwater swimming lagoon right on King Harbor in Redondo Beach, with a sandy beach area, playground, volleyball courts, and food concessions. The water is calm and shallow on one end — perfect for toddlers — with deeper sections for older kids. It's the closest thing to a resort pool experience without leaving the neighborhood.

• Location: 200 Portofino Way, Redondo Beach (in King Harbor, near the pier)
• Season: Late May through mid-September
• Price: ~$10 adults, ~$7 kids (3-17), under 3 free
• Hours: Typically 10am-5:30pm daily in summer
• Parking: Harbor parking structure on Harbor Drive. Validate at the lagoon for a discount. Weekday mornings are your best bet for finding a spot without circling.
• Pro tip: Go on a weekday morning before 11am. Weekend afternoons get packed, and once they hit capacity, they stop letting people in. Bring your own shade — the grass areas fill up fast.

Public Pools Worth Knowing About

Alondra Park Pool — Lawndale

Alondra Park on Manhattan Beach Blvd in Lawndale has a public pool complex with a main pool and a wading area for small kids. It's no-frills but it's clean, lifeguards are on duty, and at $2-5 per person for open swim, it's basically free. The surrounding park has playgrounds and picnic areas, so you can make a half-day of it.

• Location: 3535 W Redondo Beach Blvd, Lawndale
• Open swim: Daily in summer, check LA County Parks for current hours
• Price: $2–$5 per person
• Pro tip: They run evening family swim sessions on certain nights that are less crowded than daytime. Call ahead for the current schedule.

Plunge at Manhattan Beach

The Manhattan Beach Plunge on Manhattan Beach Blvd is an indoor heated pool open year-round. It's a lap pool primarily, but they run open swim and family swim sessions. Great option when the marine layer is making the beach miserable or for kids who prefer pool swimming to ocean swimming.

• Location: 1400 N Highland Ave, Manhattan Beach
• Pro tip: Check the city website for family swim hours — they change seasonally.

Splash Pads & Water Play Parks

Splash pads are the unsung heroes of summer parenting. Free, no swimsuit required (though recommended), no depth to worry about for toddlers, and kids run themselves ragged in 45 minutes. Here are the ones worth driving to:

Dominguez Park — Torrance

Torrance's Dominguez Park has a seasonal splash pad that runs during summer months. It's a ground-level water feature with spray jets, fountains, and interactive water play elements. Combined with the park's playground and grass areas, it's a solid 2-3 hour outing. Free.

Jesse Owens Park — LA

A bit of a drive from the South Bay (about 20 minutes north), but Jesse Owens Park in Crenshaw has one of the better splash pads in the area — larger than most with multiple water features. Worth the trip if your local options are down for maintenance.

Beach Spray Parks

Several parks near the beach have seasonal spray features for young kids. Check with Manhattan Beach, Hermosa Beach, and Redondo Beach Parks & Rec departments each spring for current-year splash pad locations and schedules. These change year to year as the cities rotate maintenance and upgrades.

Water Parks Worth the Drive

Knott's Soak City — Buena Park

Knott's Soak City is about 35-40 minutes from the South Bay (without traffic — so plan for morning departure). It's the closest full-scale water park and it's legitimately good. Lazy river, wave pool, multiple slide towers with options from mellow to terrifying, and a dedicated kids' area (Gremmie Lagoon) with shallow water and mini slides for toddlers and preschoolers.

• Location: 8039 Beach Blvd, Buena Park
• Price: $50–$60 at the gate; $35–$45 online/advance purchase
• Ages: All ages. Gremmie Lagoon is perfect for under-5s.
• Pro tip: Buy tickets online in advance for the discount. Arrive at opening (10am) and hit the big slides first while lines are short. Bring your own towels. Cabana rentals ($100-250) are worth splitting with another family for shade and a locker.

Six Flags Hurricane Harbor — Valencia

Hurricane Harbor is farther out (45-60 minutes from the South Bay) but bigger than Soak City with more rides and a larger lazy river. It's the right call for older kids (8+) who want bigger thrills. The Splash Island area covers the younger crowd. Lines can get brutal on weekends in July, so weekday visits are strongly recommended.

• Location: 26101 Magic Mountain Pkwy, Valencia
• Price: $45–$55 at the gate; season passes often cheaper than 2 visits
• Pro tip: If your kids are into both theme parks and water parks, the Six Flags + Hurricane Harbor combo pass is solid value. Go to Hurricane Harbor on hot days, Magic Mountain on cooler ones.

Water Day Gear Essentials

Whether it's a splash pad run or a full day at Soak City, here's what experienced South Bay parents keep in the car all summer:

Planning Your Water Day

• Sunscreen first. Apply 15 minutes before water. Reapply every 90 minutes. Spray sunscreen is convenient but misses spots — use lotion for faces.
• Morning starts win. Water parks are least crowded at opening. Splash pads at public parks are quietest before 11am.
• Pack snacks. Most splash pads have no food options. Water parks charge theme park prices. A cooler bag with sandwiches and fruit saves $30-40 per family visit.
• Bring a change of clothes. Nobody wants to sit in a wet car seat for the drive home. A plastic bag for wet swimsuits keeps the car dry.
• Check the schedule. Splash pads and public pools have specific operating hours that change mid-season. Call or check the website the day before.

Frequently Asked Questions

Is Seaside Lagoon in Redondo Beach still open?

Seaside Lagoon reopens seasonally each summer, typically from late May through mid-September. It's a saltwater swimming lagoon right on the harbor in Redondo Beach with a sandy beach area, playground, and food concessions. Check the City of Redondo Beach website for current season dates and pricing.

What are the best splash pads near Manhattan Beach?

The closest splash pads to Manhattan Beach are at Dominguez Park in Torrance and Jesse Owens Park in LA. Several South Bay parks have seasonal water play features that run during summer months. Check with your local parks and rec department for current splash pad schedules.

How much does Knott's Soak City cost for families?

Knott's Soak City general admission is around $50-60 per person at the gate. Season passes and online purchases offer significant discounts (often $35-45). Kids under 3 are free. Cabana rentals run $100-250 per day and are worth splitting with another family.

Are there free water play areas for kids in the South Bay?

Yes! Several South Bay parks have free splash pads and water play features during summer months. Public pools like Alondra Park also offer low-cost swim sessions ($2-5 per person). And of course, the beach is always free.