Major floods in Southeast Asia are an increasingly frequent phenomenon, endangering the well-being and survival of communities in the region. Factors such as climate change, rapid urbanization, and poor water resource management are contributing to the increase in the frequency and intensity of these floods. In countries such as Indonesia, Thailand and Vietnam, extreme rainfall during the rainy season causes rivers to overflow, submerging settlements, agricultural land and infrastructure. Data from the National Disaster Management Agency (BNPB) shows that thousands of homes are submerged every year, resulting in significant economic losses. The community’s vulnerability increases because many of them are in disaster-prone areas with houses that cannot withstand flooding. The cessation of river flow due to the construction of reservoirs and dams also worsened the situation. Many areas that were once safe are now starting to experience problems, such as more frequent flooding. Poor waste management in big cities, which clogs drainage channels, exacerbates the risk of flooding when heavy rain arrives. This creates a vicious circle that burdens the less fortunate. The social impacts of flooding are no less serious. Public health is threatened because contaminated water carries various diseases, such as diarrhea and dengue fever. Children experience disruption to their education when schools are forced to close or are damaged by flooding. Already vulnerable communities are increasingly marginalized, with women and children being the groups most affected. Poor spatial planning in many cities places heavily populated areas in flood-prone zones. Mitigation efforts, such as the construction of flood walls and inadequate maintenance, are often insufficient to deal with the forces of nature. Much still needs to be done to increase community resilience to these disasters. The role of government and non-government organizations is very important in building awareness of flood risks. Community education and training programs, as well as strengthening early warning systems, can help communities be better prepared to face disasters. Localization initiatives to improve water infrastructure and reforestation programs can significantly reduce the effects of flooding. Investment in research and development of environmentally friendly technologies, such as sustainable water management systems, is urgently needed. Implementing ecosystem-based approaches, such as wetland restoration, can help naturally manage water flows. Communities must be involved in the decision-making process to ensure appropriate and sustainable solutions. A holistic and collaborative approach is key to halting the trend of increasing vulnerability due to flooding in Southeast Asia. Without immediate and targeted action, many communities will continue to suffer and face increasing challenges from the impacts of climate change and flooding.