Best Coastal Marsh

Doñana National Park is a major protected nature reserve located in the autonomous community of Andalusia in southwestern Spain. The park encompasses a vast area of coastal marshlands, known as the Marismas, formed by the delta of the Guadalquivir River. It serves as a critical stopover, breeding, a...

Minsmere is a coastal nature reserve located in Suffolk, England, managed by the Royal Society for the Protection of Birds. Established in 1947, the reserve encompasses a diverse range of habitats, including reed beds, lowland heath, and saline lagoons. It is an important site for birdwatching, prov...

Located on the Alaska Peninsula in the United States, Izembek National Wildlife Refuge protects a vast expanse of coastal wetlands and tundra. Its most significant feature is Izembek Lagoon, which contains one of the largest eelgrass beds in the world. This habitat is a critical stopover site for mi...

The Bijagós Archipelago is a group of approximately 88 islands and islets off the coast of Guinea-Bissau in West Africa, designated a UNESCO Biosphere Reserve in recognition of its mangrove forests, mudflats, and rich marine and avian biodiversity. The archipelago is inhabited primarily by the Bijag...

Matsalu Wetland (Matsalu National Park) is a wetland complex in western Estonia covering approximately 486 square kilometers. The area includes coastal meadows, reed beds, floodplains, and shallow bays of the Baltic Sea. Established as a nature reserve in 1957 and designated as a national park in 20...

The Kızılırmak Delta is a large coastal wetland where Turkey's longest river reaches the Black Sea near Samsun. Its landscape includes shallow lakes, reed beds, marshes, dunes, flooded woodland, farmland, and coastal habitats that support resident and migratory birds. The delta was designated a Rams...

The Long Point Marshes are a massive complex of freshwater wetlands located on Lake Erie in Ontario, Canada, sheltered by a 40-kilometer sandspit known as Long Point. As the largest wetland system in the Great Lakes, the area is a critical stopover point for migratory birds and waterfowl along the A...

The North Norfolk Coast represents a significant UK coastal marsh ecosystem. Designated as a Ramsar site, it’s notable for its extensive saltmarshes and mudflats which provide vital habitat for numerous migratory bird species. This area is particularly important for ornithologists, conservationists,...

The Coorong Wetlands form an extensive, shallow coastal lagoon system located in South Australia at the mouth of the Murray River. Characterized by a mix of fresh, brackish, and hypersaline water, the environment is separated from the Southern Ocean by the Younghusband Peninsula. The wetlands were d...

Yancheng Coastal Wetlands represent China’s most extensive coastal mudflat system located in Jiangsu province. This UNESCO World Heritage site is recognized for its significant role as a wintering habitat supporting numerous migratory bird species including the critically endangered red-crowned cran...

Suncheon Bay is a significant coastal marsh located along the southern coast of South Korea. Designated a Ramsar wetland area, it features extensive tidal flats and reedbeds vital for supporting diverse birdlife, particularly migratory cranes. The bay’s unique ecosystem makes it an important site fo...

Aiguamolls de l'Empordà is a protected natural park comprising coastal wetlands in the Alt Empordà comarca of Girona, Catalonia, in northeastern Spain. It was designated as a natural park in 1983 following a public conservation campaign led by naturalists concerned about wetland drainage and develop...

Loch of Strathbeg is a nature reserve in Aberdeenshire, Scotland, managed by the Royal Society for the Protection of Birds (RSPB). Centred on Britain's largest dune-backed freshwater loch, the site encompasses a range of habitats including marshland, mudflats, and beaches. It is recognized as a Rams...

The Mai Po Marshes are a coastal wetland area located in Hong Kong. This Ramsar Site, recognized globally since 1995, protects significant mangrove habitats and tidal flats. It’s notable for its crucial role as a vital stopover point during the migration of numerous bird species. The marshes support...

The Wexford Slobs are areas of low-lying reclaimed land bordering Wexford Harbour in southeastern Ireland. Created through embankment and drainage of tidal mudflats, the North and South Slobs form polders used for agriculture and managed wetland habitat. The area is internationally important for wat...

Gibraltar Point is a coastal nature reserve on the Lincolnshire coast of eastern England, overlooking the North Sea. Designated in 1949, it encompasses a sequence of intertidal habitats including sand dunes, salt marshes, and mudflats that support large populations of wading birds and waterfowl, par...

The Ciénaga Grande de Santa Marta is a significant coastal wetland ecosystem located in northern Colombia. This Ramsar-designated lagoon represents one of the world’s largest mangrove swamps and an important estuarine delta. It supports diverse aquatic life including numerous bird species and fish p...

Gibraltar Point National Nature Reserve is a coastal reserve on the Lincolnshire coast of eastern England, near the town of Skegness. The reserve encompasses sand dunes, salt marshes, mudflats, and freshwater marshes shaped by North Sea coastal processes. Managed by the Lincolnshire Wildlife Trust,...

Liminganlahti is an extensive shallow bay and wetland area located on Finland's northwestern coast in the Gulf of Bothnia. Designated as a Ramsar site in 1974 and later as a Natura 2000 protected area, this wetland encompasses varied habitats including open water, reedbeds, meadows, and mudflats. Th...

Cley Marshes is a significant coastal marshland located in Norfolk, England. It’s notable for its rich biodiversity, particularly its diverse bird populations which draw serious birdwatchers from around the world. The reserve offers valuable habitat and is managed to protect this unique ecosystem fo...

Laguna Madre is a shallow hypersaline lagoon system extending along the Gulf Coast of Texas into northeastern Mexico. The lagoon is approximately 130 miles long and separated from the Gulf of Mexico by Padre Island, one of the world's longest barrier islands. Laguna Madre is one of only six hypersal...

The Barataria Basin Marshes are a network of coastal wetlands located south of New Orleans, Louisiana. Positioned within the Mississippi River Delta, this estuarine environment is composed of saltwater, brackish, and freshwater marshes. The area supports significant commercial and recreational fishe...

The Chenier Plain Marshes form a distinctive coastal wetland ecosystem stretching across parts of southwestern Louisiana and southeastern Texas. Named for the French word for oak, the landscape features parallel beach ridges covered with live oak trees that alternate with expansive grassy marshlands...

The Kizilirmak Delta is a major wetland area located in northern Turkey where the Kizilirmak River empties into the Black Sea. Recognized as the largest wetland in the country, it features a complex ecosystem of freshwater lakes, marshes, lagoons, and coastal dunes. The delta is designated as a Rams...

Saltfleetby-Theddlethorpe Dunes is a national nature reserve located on the coastline of Lincolnshire, England. Designated in 1969, the reserve protects a dynamic mosaic of coastal habitats including sand dunes, salt marshes, and freshwater marshes. This environment is managed to support diverse wil...

The Sabine National Wildlife Refuge protects a significant expanse of brackish marsh along coastal Louisiana’s Gulf Intracoastal Canal. Established in 1937 by the U.S. Fish and Wildlife Service, it provides crucial habitat for numerous migratory waterfowl species and other wildlife. The refuge is pa...

The Terrebonne Basin Marshes are an extensive system of coastal wetlands located in southeastern Louisiana within the Mississippi River delta plain. Comprising salt, brackish, and intermediate marsh environments, the region serves as a critical habitat for migratory waterfowl and a foundation for hi...

The Shadegan Wetland is a significant coastal marsh located in Khuzestan Province, Iran. It represents one of the country’s largest Ramsar Sites, covering over 400,000 hectares along the Karun River delta. This wetland is notable for its crucial role as an internationally important stopover point fo...

Tøndermarsken is a low-lying, reclaimed salt marsh located in Southern Jutland, Denmark, immediately adjacent to the German border. The landscape has historically been shaped by extensive dyke construction to manage tidal floods from the Wadden Sea. Recognized as a Ramsar site, the wetland provides...