- Type
- Harbour
Seine pleasure craft base in the Yvelines, between Triel-sur-Seine and Meulan-en-Yvelines, downstream of the Conflans confluence.
Guide
Approach and anchoring
Access from the Seine, no tidal constraint, fluvial regime managed by the Andrésy lock 4 km upstream. Observe the right bank markings when approaching. Closest refuges are Port Val de Seine 1.1 nm NW and the Meulan halte de plaisance 3 nm W.
Practical
Pontoon berths for resident and visiting craft, taking boats of any size. Water and electricity on the pontoons, sanitary block. The marina is used as a base for wintering and refits, with competitive rates for owners who do the work themselves. Further boatyard services are available on the Triel and Meulan banks within a few kilometres.
Ashore
Island of Île de Vaux opposite the marina, with wooded walking paths. RER A station at Poissy 8 km south for a direct link to Paris in 30 minutes. Château de Médan, associated with Émile Zola who bought it in 1878, stands 4 km downstream on the left bank.
Key facts
- Type
- Harbour
- Coordinates
- 48.99349, 1.98286 (48°59.61'N 1°58.97'E)
- Country
- France
- Phone
- +33 9 70 35 50 24
- Boaters' rating
- 3.5/5
- Updated
- October 15, 2026
Getting there
West Marina lies at 48°59.61'N 1°58.97'E, that is 48.99349, 1.98286 in decimal degrees.
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West Marina is rated 3.5/5 by boaters on BoatMap.
Explore the region
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