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The official French maritime boundaries portal

Placed under the authority of the General Secretariat for the Sea, this portal is intended for all those seeking legal and geographical information concerning French maritime boundaries.

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News

All news
Occupation and use of the maritime area

New data available : Maritime spatial planning

28/01/2025
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Occupation and use of the maritime area

New data available: military practice areas

18/09/2024
French maritime spaces

New data available : Sovereignty and jurisdiction maritime spaces

09/03/2023
French maritime spaces

Publication in the Official Journal: decree n° 2022-1742 of december 30th 2022

Elements of portal updated
08/03/2023

Themes

Themes illustration

French maritime areas

This theme brings together information on maritime delimitations: straight baselines ;…

Traffic and shipping

This theme gathers information on the limits that regulate maritime traffic and…

Limits of competence and reporting

This theme gathers information on administrative boundaries establishing jurisdiction or…

Occupation and use of the maritime domain

This theme gathers information relating to the limits regulating occupations (e.g. ports,…

Environmental protection

This theme brings together information on geographical data relating to the protection of…