JISU is a cafe praised for its high-quality coffee and minimalist, stylish design, with 80% of reviewers mentioning "delicious," "spectacular," or "the best in Buenos Aires." Food offerings like pastries and brunch items receive positive mentions, with around 70% appreciating the creative and tasty menu, including items such as flat whites, cinnamon rolls, and fluffy toast, though some express disappointment with specific items like key lime pie. While 85% of reviews appreciate the location in Puerto Madero and ambiance, noting it "peaceful" and "bright," around 40% mention that seating and interior comfort could be improved. Service is a point of contention, with about 50% expressing dissatisfaction due to slow service or unfriendly staff, yet some highlight positive interactions with baristas and quick service at times. Approximately 30% of reviewers note the venue's high prices as too steep for Buenos Aires, despite acknowledging the quality of offerings.