Coastal development has significant ecological impacts on ecosystems by altering habitats, increasing pollution, and accelerating erosion. Activities such as construction, soil excavation, and the introduction of impervious surfaces can lead to habitat loss for coastal species and disrupt natural processes. Additionally, coastal development often increases nutrient and sediment runoff into marine environments, contributing to problems like eutrophication and coral reef degradation. Sustainable coastal management practices are essential to minimize these impacts and protect the ecological integrity of coastal and marine ecosystems.