Garrett Hardin's 1968 essay "The Tragedy of the Commons" famously decried the vulnerability of finite communal resources to overexploitation. Yet collective accessibility to and ownership of resources need not necessarily lead to their mismanagement or abuse; rather, the practice of sharing resources can engender positive environmental, social, economic, and political impacts. Social capital, as both the source and product of relational interactions which occur within public space, constitutes one of these benefits. This paper investigates the relationship between temporary communal spaces and social capital through a case study of the Commons project in Christchurch, New Zealand. Generated by both the space itself and the interactions that occur within it, the social capital created in and through the Commons has become a powerful symbol of recovery in a city recovering from disaster. Instead of the tragedy of the commons, therefore, this paper presents the story of the Commons of the tragedy and explores the ways in which social capital has been fostered in and through this space.