Negative impacts of tourism happen when demand of traveller is increase. When demand of traveller increase, the investor and government have to support them by to build more accommodation, to create new service, and improve transportation in order to meet the travellers want by destruction the environment. Moreover, the destruction will make the depletion of natural resources. When resources are not enough to human wants, it will affect to the economy. The pollution is the one of impacts on environmental impacts. There are water pollution, air pollution and noise pollution. In Satun, there are the water pollutions more than air and noise pollutions because the most destination relate with the sea. Many tourists travel only and ignore protection and maintain the environment. Not only tourist cause the pollution but also that cause by investor, local people, hotel or accommodation, restaurants and transportation as well. Because of these will cause pollution.