The Port-Îlon site is located in one of the most beautiful loops of the Seine, ten kilometers downstream from Mantes la Jolie, at Pk 120, right next to the lock of Méricourt, near the Roche Guyon Castle, the Andelys Valley and just 2 days sailing from Le Havre.
Its marina is connected directly to the Seine, which is protected from the eddy. With an area of 100 hectares, it is entirely lined with trees, a great ornithological wealth and classified Natura 2000.
A water ski area is located on the Seine upstream at 2 kilometers.
Its pontoons are monitored all year long, are equipped with water and electricity and offer 200 places in complete safety (video surveillance, access by badge, free parking …)
20 recent pitches can accommodate boats up to 40m long open for charter. (Possibility of COT)
A technical zone equipped with a crane and a trailer of 20 tons offer the possibility of parking your boat dry on a hundred sites.
Port Îlon has a gallows for the handling of boats under 11.5 tons. The handling area is also accessible to boat doors as well as mobile cranes for heavier units. Its 20-ton trailer allows transport to the storage area, accommodating a hundred boats.
Equipped with sanitary facilities, telephone, and internet access point, the port-Îlon harbor office will be the ideal starting point for your cruises. We will advise you for your stops and your navigation!
• Diesel fuel and SP 95,
•Video surveillance,
• Secure access by badge,
• Craning boats,
• Launching ramp,
• Car parking lot,
• Groceries, regional products,
• Internet access point to the captaincy,
• Library, tour guides,
• Relaxation area, hot drinks,
Opening Hours ...Close
May 1 to September 30
- Monday to Sunday
09.00 – 12.00 and 14.30 to 19.00
October 1st to April 30th
- Monday to Sunday
09.00 – 12.00 and 15.00 – 18.00
Closed Wednesdays and Sundays
Closed holidays
January 1st
May 1st
November 11th
December 25th.