COPACABANA URSYNÓW receives high praise from approximately 80% of reviewers for its professional trainers, particularly Maks Jeleniewski, with many describing the environment as friendly and welcoming. Numerous reviews, about 75%, highlight the positive atmosphere and range of classes offered, often emphasizing the quality of personalized training options like kickboxing and Brazilian Jiu-Jitsu. However, around 20% of reviews raise serious concerns about hygiene, citing issues like unsanitary mats and facilities, which some claim have led to skin problems. While some reviewers, about 10%, mention dissatisfaction with the service, noting unprofessional behavior and inadequate customer service experience, these comments are less frequent compared to the compliments on the staff's friendliness. The venue benefits from a location that offers extensive amenities, although criticism is present regarding group sizes and ventilation, mentioned by roughly 5% of users.