No. San Antonio International has no children's play area anywhere in either terminal. Its Airport Services page lists passenger amenities from ATMs through currency exchange, charging, Wi-Fi, luggage carts, water bottle filling stations, lactation rooms and family restrooms, and its Accessibility page covers the Sensory Room, but a play area is not among them. For a family connecting through SAT with young children and time to fill, the honest planning advice is to bring your own activities; SAT's family facilities focus on feeding, changing and the Sensory Room rather than play.