| Business | Phone |
| American National Bank 2202 Hunter Rd, San Marcos 78666 | (512) 392-5588 |
| Broadway National Bank 301 N C M Allen Pkwy, San Marcos 78666 | (512) 396-2468 |
| Bank Of America 308 E Hopkins St, San Marcos 78666 | (512) 396-6136 |
| Compass Bank 300 S L B J Dr, San Marcos 78666 | (512) 754-8800 |
| Frost Bank 231 Guadalupe, San Marcos 78666 | (512) 393-5600 |
| Frost Bank 1011 Highway 80, San Marcos 78666 | (512) 393-5735 |
| Frost Bank 221 Wonder World Dr, San Marcos 78666 | (512) 393-5725 |
| Frost Bank 231 N Guadalupe St, San Marcos 78666 | (512) 393-5616 |
| Hays County Area Food Bank 220 Herndon St, San Marcos 78666 | (512) 392-8320 |
| Ibc 1081 Wonder World Dr, San Marcos 78666 | (512) 353-1011 |
| Primevest 141 W Hopkins St, San Marcos 78666 | (512) 754-2600 |
| Wells Fargo Bank 1015 Highway 80, San Marcos 78666 | (512) 353-0422 |
| Wells Fargo Bank 123 N Edward Gary St, San Marcos 78666 | (512) 396-2525 |