Community approach to tourism envisions self-sufficient communities in developing countries through self-managed sustainable touristic enterprises. Though earlier studies have analyzed community tourism projects in many parts of the world, less attention has been given to the relational dimension of local tourism organizing activities. Using Social Network Analysis, this present case-study examines how social networks sustain community tourism in Pamilacan Island, the Philippines. The study argues that failure of formal tourism organizing activities does not necessarily mean total loss of community tourism industry. Local people continue to participate in and benefit from the industry by engaging in informal transactions. The case demonstrates that villagers are capable of addressing the problems of limited resources, internal conflicts, and competition by restructuring their social networks to gain access to resources and build mutual support.