TsunamisTsunamis are a major threat to coastal communitiesCoastal communities, often leaving devastating trails, particularly on vulnerable populations such as womenWomen and childrenChildren. This paper explores the critical need for enhanced tsunami preparednessTsunami preparedness and mitigationMitigation strategies, drawing lessons from past events like the tsunami of 2004 in the Indian Ocean and the Tōhoku tsunamiTsunami, 2011. Through a mixed method which consists of literature review, case studies, and an evaluation of current interventions, this study highlights the unique challenges faced by women and children during tsunami events. It assesses the effectiveness of existing initiatives, like the Indian Tsunami Early Warning SystemTsunami Early Warning Systems (TEWS) (ITEWS) in addressing these vulnerabilities. The paper concludes with actionable recommendations for integrating gender-responsive approaches into disaster managementDisaster management frameworks, fostering community engagement and leveraging innovative technologies to improve resilienceResilience in coastal communitiesCoastal communities. By prioritizing the needs of the most affected groups, this paper seeks to contribute to sustainable development in addition to enhancing the overall effectiveness of tsunami risk reduction efforts.