Chevron San Marcos is a clean and friendly gas station that offers good customer service and a convenient, quick in-and-out experience. Customers appreciate the store’s cleanliness and the kindness of the staff. The station often has gas available despite high prices, making it a reliable stop for fuel. Visitors have noted that the employees are welcoming and accommodating, especially when customers need to wait or relax in the air conditioning. However, one reviewer shared a bizarre story involving a person acting oddly at the pump, which shook the staff but did not affect the overall positive impression of the business. Overall, Chevron San Marcos provides a straightforward fuel stop with friendly service, clean facilities, and a welcoming atmosphere, though prices tend to be high.