Reviewers describe Dobladas San Carlos as a casual spot centered around Guatemalan antojitos, especially its namesake dobladas. Several guests describe the dobladas as delicious and worth trying, with one longtime customer saying they had been enjoying them for more than 25 years. Pork tacos are also mentioned positively, with one reviewer noting that they differ from Mexican-style tacos but were still very good.

The food is generally seen as simple, traditional, and satisfying rather than upscale. Some visitors say orders can take a little time to prepare, though several felt the result was worth the wait. Other reviews mention that service was reasonably quick on their visit.

Service feedback is more mixed. Some reviewers report slow or poor service, including complaints about missing sauces, limited condiments, and communication about what was available. One guest also criticized the shucos for being small and overpriced. Overall, the reviews portray Dobladas San Carlos as a straightforward place for traditional Guatemalan dobladas and tacos, with strong food loyalty from some customers but inconsistent service experiences.