Today, there is a serious increase in tourism potential in the world and in our country. The number of foreign tourists to Antalya reached around 3.5 million in 2020. The famous Konyaaltı beach, located in the center of Antalya, plays a role in making the city stand out in terms of tourism. It is faced with a serious pollution due to domestic wastes arising from intense tourism activities in the region and bilge-ballast waters arising from marine activities related to use. A large number of pathogenic microorganisms contained in polluted waters pose a potential danger to humans and living creatures in the aquatic environment. In addition, it has been the subject of research that pathogenic microorganisms can find a habitat in the sand as a result of the effect of waves and intensive use on the beaches used for recreational purposes, which can negatively affect public health. In order to determine the quality of sea water and beach sand, the pollution indicator bacteria (Escherichia coli (E.coli), Stapylococcus aureus, yeast and fungi, Enterococcus spp. and Pseudomonas spp. etc.) to be examined and their adaptation to sea water and beach sand. It is aimed to investigate whether there is a relationship between environmental factors affecting the environment and the presence of indicator bacteria and to examine it on the basis of public health. As a result, it was determined that there was a decrease in the number of users and a high decrease in the pollution load during the period of pandemic bans and post-pandemic data.