The sustainable development agenda is interlinked with the emergence of the blue economy concept as a key to achieving multilateral goals. The term comprises a sustainable economic exploration of the ocean and ocean-based industries. However, its long-term sustainability is challenged by the effective use and management of marine space. In this context, marine spatial planning (MSP) has been discussed as a prominent tool to promote a supportive policymaking for the blue economy. This is particularly true in some countries, such as Brazil. The country is one of the largest economies in the Latin American and the Caribbean region (LAC) in terms of population, gross domestic product (GDP), and geographical and marine extension. Brazil is also currently developing its MSP, mainly led by the offshore wind sector. By linking MSP to the blue economy in Brazil, the country seeks to further address policies in the context of United Nations’ (UN) 2030 Agenda. Thus, this chapter brings a discussion of shared management of resources, activities, and norms associated with the ocean by analyzing Brazil and the role of the blue economy in promoting the country’s MSP, particularly through the offshore wind energy sector. The theoretical-methodological approach focuses on Brazil’s regulatory development but also considers the experience and lessons from other economies. This is done through a case study of offshore wind energy implementation in Brazil to verify how the blue economy can promote MSP in the country. The time frame comprises the period between the launching of the public call for MSP funding by the Brazilian Development Bank (BNDES) in 2022 and the approval of Brazilian renewable offshore framework approval in January 2025. This chapter employs a literature review using academic databases, as well as analyzing reports from specialized institutions relevant to the topic, such as International Renewable Energy Agency (IRENA), the Energy Research Office (EPE), the International Energy Agency (IEA), and the Brazilian Institute of Environment and Renewable Natural Resources (IBAMA). As main results, this chapter concludes that Brazil can take on regional leadership in MSP by exploring its blue economy but still needs to improve a governance capable of considering and managing various socioeconomic activities in its marine environment simultaneously.