Nantes-Saint-Nazaire: clearing in by boat
Port of entry of Metropolitan France.
Based on official sources, checked on 28 October 2026.
Services
Clearing out possible here
Good to know
Sea border crossing point: Schengen entry and exit possible during opening hours. Mainly a commercial port.
Offices to visit
In the usual order of the formalities. Addresses can change: ask the harbour office when you arrive.
Bureau de douane de Saint-Nazaire - Montoir
Customs
8 rue des Morees, 44550 Montoir-de-Bretagne
Opening hours : Lun-ven 8h30-12h30, 13h30-18h
Border crossing point: Schengen entry and exit possible during office hours.
DirectionsCapitainerie du Grand Port Maritime Nantes Saint-Nazaire
Harbour office
VHF : 16
Commercial port: call the harbour master (VHF 16); port authority HQ at 18 quai Ernest-Renaud, Nantes.
Directions
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Sources
- udiregelverk.no/contentassets/dfbab8a5bbc7469e9502b46067658598/sphbg_annex04_2026.07.03.pdf
- douane.gouv.fr/actualites/verifications-aux-frontieres-des-plaisanciers-en-provenance-ou-destination-dun-pays-hors
This information is gathered from public sources and sailors’ experience. It does not replace the country’s authorities, whose word is final: check before you leave.