Openness and participation are key principles to build local government accountability and trust, which are necessary for the functioning of democracies. The research aimed to identified and evaluated the benefit of open government and citizen participation in participatory process of local medium-term development planning in Anambas islands regency. This research using the qualitative research method with 21 informants using an interview related to the research problems. Based on in-depth interview, observation and documents, there are four characteristics in process of participatory in preparing local medium-term development planning of Anambas islands, included principles of good governance, democratic participation, introduction to identity groups, and integrative planning. These characteristics explained the importance of openness, participation and understanding the stakeholder for better participatory process.
