Harbour

West Marina

3.5France
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. Water and electricity on the pontoons, sanitary block. 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
Boaters' rating
3.5/5
Updated
July 7, 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.

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