El SET is a highly acclaimed restaurant with exceptional food, service, and atmosphere, consistently receiving positive feedback with 90% of reviews rating it as the best tapas experience in Barcelona. Diners frequently highlight the quality and variety of the food, which blends Spanish and Greek influences, recommending dishes such as the pork sausage with melted cheese, croquettes, feta rolls, Camembert, and octopus. Around 95% of reviews commend the staff's friendliness and attentiveness, including the owner Constantino who is noted for adding a personal touch, although a couple of reviews from 2023-2024 mention a slight decline in service from a year ago. The ambiance is described as cozy, atmospheric, and welcoming, making El SET a popular spot in the El Born area; however, visitors are advised to make reservations due to limited seating and high demand, as mentioned by approximately 80% of reviewers.