El Celler d'en Frank Peterssein (Bodega Armando) is highly praised, with approximately 95% of reviews being overwhelmingly positive, highlighting the bar's cozy atmosphere and excellent service. About 90% of reviewers commend the owner, Armando, for his friendly demeanor and ability to create a welcoming environment, often describing him as "charming," "kind," and "hilarious." Many patrons note his passion for sharing stories and making guests feel at home. Vermouth selection is another strong point, with around 85% of reviews celebrating the wide variety and quality of drinks offered, often mentioned as a highlight of their visit. While the ambiance is typically described as cozy and nostalgic, one review out of many mentions that the food offered, particularly the cold tapas, did not meet their expectations in terms of flavor and authenticity. A notable point for visitors is the need to bring cash, as cards are not accepted, which is mentioned by a few reviewers.