Enjoy San Marcos's best pizzas at some of the top pizza restaurants in the area. Pizza Union is one of the most popular in San Marcos. Try their pizza, and you'll soon see why. Try some of San Marcos's best dishes at independent pizzerias in the city. Find new favorites and get a taste of what San Marcos has to offer. You can't say you've been to Pizza Union until you've tried Create Your Own Pizza. This classic local favorite is what this establishment is known for. Add soda to your pizza for a more satisfying meal. It's a great addition to any pizza from Pizza Union. Pizza Union has been a Slice partner since 2021. They've been serving the local community for a while now, so you can rely on them providing great pizza. Call ahead and get curbside pickup at Pizza Union. It's never been easier to get hot, fresh pizza to go. You can pay by credit card at Pizza Union. That makes it easy to get your pizza as quickly as possible.