The location of Mariano's Restaurant seems to be a popular spot for Mexican and Salvadoran cuisine. The food is often described as delicious, authentic, and filling. Many reviewers appreciate the variety of options, including pupusas, tacos, and breakfast dishes. However, some customers have experienced long wait times, slow service, and occasionally, poor treatment from staff. On the other hand, the restaurant's prices are considered reasonable, and the portions are generous. The location is also convenient, with free street parking and a cozy atmosphere. One potential issue is that some customers have reported issues with the service, including being ignored by staff or receiving poor treatment. To improve, the restaurant could focus on providing more attentive and friendly service to all customers. Overall, Mariano's Restaurant seems to be a good option for those looking for affordable and flavorful Mexican and Salvadoran cuisine in a casual setting.