Ecotourism is one of the sustainable natural resource management. It is not only to make the local people earn more income and community participation, but also promote the knowledge and awareness in conservation of natural resources. At 3 villages include บ้านปากอ่าว,บ้านคุ้งใหญ่ and บ้านคลองลัด of the district of Bang Ta Boon estuary in Phetchaburi province