<p>Given the popularity of the blue economy as a new development paradigm, scholars and practitioners alike have been calling for greater attention to its implications for equity and justice. This paper examines how key state and non-state actors conceptualize equity and justice in relation to the blue economy and associated uses of ocean space in Mauritius, a small island state, as well as how resource users can find pathways to justice within the blue economy. To do so, this paper adopts an empirical approach to justice to analyze 23 interviews conducted with individuals involved in Marine Spatial Planning – a tool of the blue economy – as well as other actors concerned by the development of the blue economy more broadly. Specifically, it examines how these actors conceptualize the three dimensions of justice (procedure, distribution and recognition) and their relative importance, as well as the values underlying their conceptions of justice. This research reveals that many state and some private sector actors are concerned about equity in the blue economy based on equal opportunity for all, primarily focusing on distributive justice as mediated through development. Other non-state actors, such as conservation NGOs, emphasize the rights of nature. Overall, we argue that the multiple frames of justice currently guiding blue economy processes in Mauritius are detrimental to small-scale fishers and other coastal resource users, who are not adequately recognized as subjects of justice. By examining equity perceptions at a national scale, this paper informs frameworks and approaches toward developing blue justice. </p>