Walking in San Marcos is most enjoyable in the downtown area and along designated trails. However, the city is generally car-dependent, with limited pedestrian infrastructure in many neighborhoods. While walking can be a pleasant way to explore certain areas, the hot Texas summers and lack of shade in some parts may make it less comfortable during peak temperatures. Distances between key locations can also be a factor, as some destinations may be spread out. Overall, walking is best suited for specific areas rather than as a primary mode of transportation across the city.

À San Remarques, les vélos sont desservis par des pistes cyclables, des voies partagées et des pistes cyclables, ce qui en fait un moyen pratique de se déplacer dans certaines zones. La ville dispose de plus de 100 miles (160 km) d'une flotte de vélos qui relient différentes destinations. Toutefois, il est nécessaire de faire preuve de prudence dans certaines zones en raison de la circulation ou du nombre limité d'itinéraires adaptés aux vélos. Le terrain est généralement gérable, mais les distances entre les emplacements clés peuvent varier. Les conditions de conduite à vélo sont influencées par le temps, qui peut être chaud et moite. L'hygiène personnelle et la protection solaire sont donc importantes.

Public transit in San Marcos includes bus services that connect various parts of the city and surrounding areas. The local bus system offers routes that are accessible and convenient for getting around town. Additionally, the Bobcat Shuttle provides free rides to students and the general public, with designated stops throughout the city. While buses are a practical option for many destinations, their schedules and routes may require planning ahead. The city’s infrastructure supports these services, making public transit a useful choice for navigating San Marcos efficiently.