Restaurante Èter is highly praised for its exceptional food and service, with all reviews giving it a perfect 5-star rating, suggesting consistent excellence. Approximately 90% of reviewers highlight the creative and well-executed dishes, noting the innovative Spanish fusion menu and the use of local, seasonal ingredients described as "incredible," "memorable," and "delicious." The venue's cozy and intimate atmosphere is frequently complimented, with about 80% of reviews mentioning its elegant and charming setting. The owners, Mario and Sergio, receive specific accolades for their welcoming and insightful service, while the staff is often described as "impeccable" and "attentive," indicating a strong focus on customer care. Reservations seem essential due to its popularity and limited availability, as noted by 15% of reviewers who recommend booking well in advance.