This panel will examine the role of marine reserves in protecting ocean biodiversity and guaranteeing long-term resource security. It will explore how these protected areas conserve key habitats, foster species recovery, and reinforce ecosystem resilience against climate change and overexploitation. Discussions will centre on effective management strategies, community engagement, and the policy frameworks necessary for establishing and maintaining robust marine reserves, thereby sustaining healthy oceans and supporting coastal livelihoods for generations to come.