This chapter investigates advancements in sustainable aquaculture, focusing on Mauritius’s ocean-based industry. Mauritius, an island nation with rich marine resources, has strategically adopted sustainable aquaculture to meet the growing global seafood demand while preserving its marine ecosystems. This study comprehensively analyzes governmental policies, technological innovations, and industry practices, revealing the intricate dynamics shaping sustainable aquaculture in Mauritius. Key findings emphasize the crucial role of government support in promoting sustainable aquaculture through regulatory frameworks that encourage responsible fishing and investment incentives for aquaculture ventures. Technological advancements such as live underwater monitoring and sustainable aquaculture practices have significantly enhanced production efficiency and minimized environmental impacts. Additionally, marine conservation strategies have further revolutionized this industry. The study also highlights collaborative efforts between a lagoonal fish farm, governmental bodies, research institutions, and nongovernmental organizations. These partnerships have been instrumental in driving knowledge sharing, research, and conservation initiatives within the Mauritian aquaculture sector. Insights from this case study offer valuable lessons for policymakers, industry practitioners, and researchers worldwide. The findings underscore the importance of supportive governmental policies, technological innovation, and collaborative efforts in fostering sustainable development in the aquaculture industry. By examining Mauritius’s approach, this study provides a blueprint for promoting sustainability in aquaculture industries globally, balancing economic growth with environmental preservation.