A haven of natural beauty and modern comfort welcome to the hampton inn suites san marcos san marcos is more than just a convenient connecting point between austin and san antonio it is a haven of natural wonders and historic charm in a family friendly environment the hampton inn suites hotel in san marcos is located just off i 35 near the largest outlet malls in texas the san marcos river and texas state university delve into history at the lyndon baines johnson museum in the town sq