Before revision: Largest coastal lagoons New Caledonian lagoon: Garabogazköl: Lake Maracaibo: : Curonian lagoon: Mayotte lagoon: ~ Rangiroa lagoon: Vistula lagoon: Marovo Lagoon: Szczecin Lagoon : 689 km2 (266 sq mi) 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: Venetian lagoon:Largest coastal lagoons New Caledonian lagoon: Garabogazköl: Lake Maracaibo: : Curonian lagoon: Mayotte lagoon: ~ Rangiroa lagoon: Vistula lagoon: Marovo Lagoon: Szczecin Lagoon : 689 km2 (266 sq mi) 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).