Environmental degradation in the world is increasing day by day. As a result, there is an increasing tendency for environmentally friendly practices to minimize the impact of environmental problems. As the environment is a crucial factor in in the tourism sector environment friendly applications are great importance. One of these applications is “Green Marketing”. The aim of this study is to examine the green marketing practices in the hospitality companies in the case of Doğa Residence hotels and to present the benefits that these applications provide. Green marketing applications of Doğa Residence Hotels have been analysed as a case. The questionnaire formulated for this purpose was applied to the managers of Doğa Residence Hotel and the observations and documents were utilized. In the direction of the obtained data, it has been seen that green practices have reduced the expenses of the hotel enterprises and help them to gain reputation. It has also been observed that due to the change in consumer demands and sensitivities, hotel enterprises are turning to green applications to respond to this demand.