Reclamation activities have been and continue to be carried out in many countries around the world as a result of development drivers. Aside from the obvious benefits, poorly managed sea reclamation activities pose significant environmental risks and increase tensions in the country and region. As a result, when conducting reclamation, the sustainability and protection of natural resources must be given serious consideration before these resources are lost to future generations. The management of sea reclamation activities is based on the principle of integrated coastal zone management, which is common in many countries around the world. However, many countries have enacted laws to regulate in detail the management of sea reclamation activities, such as the Netherlands, which has enacted the Law on Dikes, Dams, and Reclamation since 1904; Australia, which enacted the Land Reclamation Law in 1930; and some other countries, which do not enact their own laws but have reclamation regulations as part of other laws, such as South Africa, which is provided in the Integrated Coastal Management Law (amended). It will be a valuable lesson for Vietnam to learn from the experiences of the Netherlands, South Africa, Saudi Arabia, Australia and China in managing sea reclamation activities.