Best Water and Pool Activities for Kids in San Antonio This Summer

San Antonio's summer heat runs long, which means the city's pool system and outdoor splash spaces get heavy use from May through September.

Beyond the major paid water parks, the city offers real free options that can anchor a weekly routine. Here are the venues that matter most.

Splash Pads & Spraygrounds

Maverick Park

23603 IH 37 N, San Antonio, TX 78220

Sports and recreation park with splash pad, playgrounds, sports facilities, and outdoor activities.

Hemisfair Park

434 S Alamo St, San Antonio, TX 78205

Downtown urban park with inclusive playgrounds, splash pads, public art & family events. Free community gatherings.

Yanaguana Garden at Hemisfair

434 S Alamo St, San Antonio, TX 78205

Colorful creative playground with splash pad, climbing frames, oversized games & beautiful gardens. Free with splash pad open.

Public Pools & Aquatic Centers

SEA LIFE San Antonio Aquarium

849 E Commerce St, San Antonio, TX 78205

3,000+ marine creatures including sharks, sea turtles, & interactive touch pools. 360-degree ocean tunnel.

Water Parks

Splash Pad at Government Canyon

8601 Government Canyon Rd, San Antonio, TX 78251

Refreshing splash pad with water jets and features perfect for younger children during hot months.

Planning notes

Check facility hours before you go — city and county aquatic centers often shift schedules for maintenance, weather, or staffing. Most public pools in San Antonio open in late May or early June and run through Labor Day weekend.