Irregular and unstable urban development has increased marginalization, destruction of urban green areas and increased demand for urban land, which in itself has led to the disappearance of urban green spaces and land use change of such lands and is possible. Cause certain global environmental problems such as the formation of urban heat islands, because urban green space is one of the important models in achieving sustainability in urban space and the physical and natural fit of the city. At the same time, the protection of the environment and urban green space is the main pillar of sustainable development, which has been discussed in developed countries for decades and in recent years has been highly regarded by planners in developing countries. The present study, in terms of Weberchr('39')s applied and developmental purpose, is a descriptive-analytical descriptive survey or field study in which the researcher-made questionnaire tool is used and the existing maps of urban green space are used. The purpose of this study is to explain the role of green space in coastal cities in attracting tourists with the approach of sustainable environmental development in the coastal city of Noor, but in addition to the main purpose of the sub-objectives, the researcher The results also increase the per capita urban green space, increase the number of urban tourists, prevent environmental damage and increase the income of the citizens of the coastal city of Noor.