The tourism industry has been one of the sectors most affected by the Coronavirus (Covid-19). Hospitality businesses constitute an important part of the tourism industry. In the new era, it is vital producing safe service under Covid-19 to the hotel customers. In the study, it was examined the effect of service quality given under Covid-19 conditions on guest satisfaction and the effect of the “Safe Tourism” certificate on buying behavior of tourists towards hotels. In the first part of the study, there are two questions about the socio-demographic characteristics of the participants. In the second part, the reasons why the customers prefer the hospitality establishments were asked. In the third part, the perceived quality level of the customers about the service of the hospitality business was measured. In the fourth part, there are five dependent variables based on a five-point It was found in the study that the quality of the service provided in the hospitality establishments and the level of satisfaction provided under Covid-19 conditions affect the intention to revisit the establishments. It was also found that the “Safe Tourism” certificate used by travel operators for marketing had a positive effect on choosing/buying hospitality establishments for holidays.