Before revision: Largest coastal lagoons Lagoon square kilometer CountryNew Caledonian lagoon Garabogazköl Lake Maracaibo Albemarle-Pamlico sound system Curonian lagoon /Mayotte lagoon ~Rangiroa lagoon Chilika Lake during monsoon season, during dry seasonIndian River Lagoon Vistula lagoon /Biscayne Bay System—Biscayne Bay (traditional) Marovo lagoon Szczecin Lagoon / Venetian lagoon Regulation In the European Union, coastal lagoon habitat is classified and under Directive 92/43/EEC on the conservation of natural habitats and wild flora and fauna (Habitats Directive).
After revision: Lagos LagoonLargest coastal lagoons Lagoon square kilometer CountryNew Caledonian lagoon Garabogazköl Lake Maracaibo Albemarle-Pamlico sound system Curonian lagoon /Mayotte lagoon ~Rangiroa lagoon Chilika Lake during monsoon season, during dry seasonIndian River Lagoon Vistula lagoon /Biscayne Bay System—Biscayne Bay (traditional) Marovo lagoon Szczecin Lagoon / Venetian lagoon Regulation In the European Union, coastal lagoon habitat is classified and under Directive 92/43/EEC on the conservation of natural habitats and wild flora and fauna (Habitats Directive).