Marathon Modesto Gas is a clean business with helpful and friendly staff. The gas price is one of the lowest in the area, always low comparatively to others. Customers note excellent customer service, describing it as very polite and going above and beyond. The station offers good snacks and drinks, including delicious chicken and biscuits. It provides services like filling propane tanks. There are no bathrooms for customers, but the atmosphere is fun, with a clean and pleasant environment.