The purpose of this study is to examine how the quality of service provided in private sports halls in Yalova is perceived by users. The sample of our study consists of a total of 121 people, 69 women and 52 men, who are voluntarily participated the study, over the age of 18 who is using private GYM’s in Yalova. The study was carried out with the survey model, which is one of the quantitative research methods, and the survey method was used. Data regarding the study were collected with the Service Quality Assessment Scale. The analysis of the data was made with the SPSS 25.0 program, and 5 sub-dimensions were analyzed according to gender data from demographic variables. According to the normality test results, suitable non-parametric tests, Mann Whitney-U test and Kruskal Wallis-H test were used(p<0.05). It was observed that female members had higher perceptions about personnel, programs, locker rooms, training facilities and physical facilities than male members. As a result of this, marketing and target audience orientation, environmental, service quality and personnel as well as individual differences can be considered to cause this perception.