About
Shake Shack San Marcos, the modern day "roadside" burger stand, serves up burgers, hot dogs, frozen custard, and more in San Marcos, TX. As a leading American restaurant, we're committed to delivering high-quality Angus beef burgers made with all-natural ingredients, free of added hormones and antibiotics. Our fast food restaurant prides itself on using only the freshest produce, never frozen beef, and non-GMO potato buns. Whether you're in the mood for a classic ShackBurger or a specialty burger like the Shack Stack, our menu has something for everyone. Don't forget to try our creamy frozen custard, available in a variety of flavors and toppings. Located at 4025 I-35, San Marcos, TX 78666, Shake Shack San Marcos is the perfect spot to satisfy your cravings.