Mangroves are coastal vegetation that has a distinctive morphology with a root system that can adapt to tidal areas with mud or sandy mud substrates. Mangroves have a flat and dense canopy, distinctive roots, and always have leaves. A mangrove ecosystem is a unique ecosystem with specific vegetation that lives in a coastal area and needs certain conditions of tides, salinity, and substrate. Mangrove ecosystems provide multiple ecosystem services: as a home of biodiversity; land and sea-based pollutant filtration; sediment trapping; coastal protection from high-level waves, storms, and tsunamis; controlling coastal abrasion; provision of recreational areas with natural atmosphere and beautiful scenery; provision of livelihood-related fishery, ecotourism, and mangrove derivative products; high-capacity carbon storage (4-5 times than terrestrial forest). Concerning the important function of mangrove ecosystems, degradation and loss of mangroves can make significant and long-lasting impacts on environmental sustainability and human well-being.