Globally, green space landscape structure has been used as tourism attraction in city that can increase the economy of the country in tourism sector. However, lack of management for green space landscape structure because of no characterisation of green space landscape structure have been made and give the impacts such as lack of information about green space landscape for young generation and tourism. Besides, the values of green space landscape and economy of the country will decrease. In this study, the purposes is to characterize three sites of green space landscape structure that have potential for tourism, Taman Perbandaran Tengku Anis, K4 Riding Horse and Splash Water Theme Park in Kota Bharu, Kelantan, Malaysia for future sustainable ecotourism site management and planning. To characterize the green space landscape structure in Kota Bharu, Kelantan, remote sense data of 2016, Geographical Information System (GIS) and landscape metric are used in this study. From the result in this study, Taman Perbandaran Tengku Anis is found as the most potential ecotourism site compare to K4 Riding Horse and Splash Water Theme Park with low number of patches, high in mean patch area, high in largest patch index and favorable in ecotourism activity. This study is useful for management and development of the green space landscape structure and had produced map of spatial distribution and characterisation of green space landscape which is also can be used for future sustainable ecotourism planning of the green space landscape structure.