In the waters of Nusa Penida, coral restoration is not just a project — it is a lifeline. Since 2020, coral nurseries along the northern coast of the island have grown from a few planted fragments into more than 30,000 thriving coral nubbins , carefully nurtured by local communities. These reefs are not only ecosystems; they are the foundation of livelihoods in an island economy deeply connected to marine tourism. But protecting a reef requires more than passion. It requires