Before revision: Largest coastal lagoons New Caledonian lagoon: Garabogazköl: Lake Maracaibo: : Curonian lagoon: Mayotte lagoon: ~ Rangiroa lagoon: Chilika Lake: during monsoon season, during dry season Vistula lagoon: Marovo Lagoon : Szczecin Lagoon : 689 km2 (266 sq mi) 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: Largest coastal lagoons New Caledonian lagoon: Garabogazköl: Lake Maracaibo: : Curonian lagoon: Mayotte lagoon: ~ Rangiroa lagoon: Chilika Lake: during monsoon season, during dry season Vistula lagoon: Marovo lagoonAlbemarle-Pamlico sound system: : Szczecin Lagoon : 689 km2 (266 sq mi) 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).