San Marcos TX Sonic Drive In
1. 1646 Aquarena Springs Drive, San Marcos, TX 78666 | SONIC Drive-In(512) 353-5977
2. 802 S. Guadalupe, San Marcos, TX 78666 | SONIC Drive-In(512) 353-1811
3. 2830 South 1-35, San Marcos, TX 78666 | SONIC Drive-In(512) 392-0537