The aim of this study is to specify the needs of Pilates instructors' educational needs. In this study which was designed as a case study, focus interviews were conducted with 26 participants whose 3 of them managers, 9 of them instructors and 14 of them members. Content analysis method was used in the analysis of qualitative data that was obtained from the interviews. In the interviews with participants, findings in five dimensions were obtained in Pilates educational training as basic knowledge and skills, communication skills, practice knowledge and skills, environment regulation knowledge and skills and measurement knowledge and skills. Participants in the basic knowledge and skills dimension indicated that Pilates instructors need to obtain basic sports, health and anatomic knowledge. In the practice knowledge and skills dimension, according to the participants, Pilates trainers should have knowledge and skills such as creating group levels, making corrections and giving feedback. According to participants, Pilates instructors should also be able to use communication skills effectively. In the Pilates training, especially the spaciousness of the environment, the presence of mirrors and music was indicated essential by the participants. For the measurement dimension, participants indicated that Pilates trainers should be able to make body measurements.