This article aims to know World Wide Fund for Nature (WWF) role in Wakatobi National Park. Using two concepts, sustainable development and green thought. Wakatobi was established as National Park on 1996 and entering to coral triangle area. This paper took World Wide Fund for Nature (WWF) as the object, which is the biggest independent natural conservation organization of the world. WWF has 4,7 million supporters and global networking which consists of 27 national organizations, 22 offices programs, and 5 affiliation organizations. This research uses qualitative method. Data were derived from observation and study literature. Technique of data collection was used bibliography observation. Data analysis was used descriptive technique. After collecting the data, data will be analyzed and processed by using research concept. In order to maintain Wakatobi National Park, WWF has done three programs, 1)survey and monitoring, 2) sustainable livelihood, tourism, and fishery, 3)improving society awareness. The conclusion of the research is WWF has to involve the government to support its role and socializes the sociality in order to increase the social awareness. Keyword: INGOs, Environment, WWF, Wakatobi, Green Thought, Sustainable Development.