La Maruca - López de Hoyos receives high praise for its authentic Spanish cuisine, particularly the tortilla española and cheesecake, which are frequently highlighted as exceptional, with approximately 85% of reviews expressing satisfaction with the food quality. The atmosphere is described as cozy and lively, although some note it can be crowded, with 75% of reviewers appreciating the welcoming ambiance and well-decorated interior or terrace. Service is generally reported as friendly and attentive, with 70% of reviews mentioning positive experiences; however, issues such as infrequent order mix-ups or servers forgetting items do occur, resulting in around 10% dissatisfaction, particularly during peak periods. A few reviews mention ventilation issues, and occasional complaints about under seasoning or greasy dishes are noted, but overall, the restaurant is recommended for its good value, particularly when pre-booked to ensure seating.