Gökçeada, which is the largest island in Turkey with an area of 290 km 2 , is one of the 12 districts of Çanakkale province. According to Address-based Population Registration System Results, Gökçeada has a population of 9440 people. The island’s environmental characteristics and socio-economic activities are formed depending on the air masses and frontal systems that are significantly effective in the geographical area in which it is located. The study examined Gökçeada’s flood disaster which occurred on May 2, 2014. Çınarlı settlement, where the flood disaster took place, is an area exposed by geological units with permeability. On May 2, 2014, flood and flash flood disasters occurred in Çınarlı dut o severe rainfall Gökçeada central settlement and surroundings. In the study, 1/25.000 scale topographic maps and 1/100.000 scale geological map were used. A digital elevation model of Gökçeada was created from topography maps and a basin analysis was performed for Büyükdere Basin. The Gökçeada meteorological station precipitation data is classified according to its severity. In this study, which evaluated the disaster caused by severe rainfall, various recommendations were presented in order not to experience a similar disaster. It was concluded that if problems with land use and stream bed persist, the next severe rainfall would lead to a similar result in the same area.