The Hai Phong region is undergoing transformative changes through a Masterplan aimed at enhancing financial stability and improving the quality of life for the local community. A significant component of this Masterplan involves the construction of two new port terminals close to the mangroves of Do Son, a small town southeast of Hai Phong. Mangroves are beneficial in multiple facets. They act as a natural barrier, protecting coastlines from erosion, storm surges, and tsunamis. Additionally, mangroves contribute to water quality by filtering pollutants and trapping sediments, improving overall aquatic ecosystems. Furthermore, they provide crucial habitat for various species, supporting biodiversity and serving as nurseries for many marine organisms that benefit the local community. This research investigates the potential implications of the Masterplan using the following research question: What are the potential effects of the Hai Phong Masterplan on the mangrove ecosystems and the local community? Conducted by a multidisciplinary team of six students, this research involved interviews with professionals, locals, and governmental organisations, extensive literature review, and field trips. It was concluded from this research that the construction of the port terminals have far-reaching consequences. In the mangrove area in Bang La (area A), the port terminal will have a sheltering effect over the mangrove area. This will cause sedimentation to occur and thus accretion. Also, it is also expected that the water quality will degrade further due to increased anthropogenic activity in combination with the poor sewage system present. The mangrove area in Ngoc Hai (area B) is expected to have little direct changes. The local community in Do Son shows varied awareness and support for the Masterplan, with stronger support in mangrove area A. Economic benefits, such as increased tourism, drive positive attitudes. However, there is a notable lack of awareness in area B. The willingness to participate is influenced by economic incentives, and effective communication is crucial for shaping community perspectives. With regards to the further execution of the Masterplan it is recommended to incorporate effective waste management, revise reafforestation plans to meet legal obligations, and engage key environmental stakeholders. For further research, it is recommended to conduct measurements over a more extended period of time to better understand the dynamics of the area. Additionally, more detailed research is needed to substantiate assumptions.