The Semarang coastline faces a growing threat from natural disasters, with coastal floods becoming increasingly common due to a combination of natural occurrences and human activities. This has raised significant concerns for both communities and the coastal ecosystems, necessitating a comprehensive understanding of the situation. This research has a dual focus: firstly, to assess the impact of coastal flooding on Semarang's settlements, and secondly, to comprehend the local community's responses to improve coastal management strategies. Utilizing satellite imagery, topographic maps, interviews, and location coordinates, the study revealed that affected residential areas were distributed across various sub-districts. Interestingly, not all coastal communities were impacted, indicating the need for tailored protective measures. The research also highlighted community efforts in the past decade, particularly substantial mangrove reforestation, contributing to the long-term resilience of coastal ecosystems. The study concludes that most residents have improved their infrastructure and received assistance from various entities to mitigate the consequences of coastal flooding, providing valuable insights for enhancing the effectiveness and sustainability of coastal management in Semarang.