Montesson May 1st Great Flea Market
Edition 2026 Car Boot Sale Flea Market Outdoor

Montesson May 1st Great Flea Market

The major Labor Day event at the Carrefour shopping center

Montesson — Yvelines (78)
Dates 01 May 2026
Location Montesson (78)
Admission Free
Exhibitors —

About Montesson May 1st Flea Market

The Montesson May 1st Great Flea Market is an essential annual event that takes advantage of the public holiday to offer bargain hunters of the Seine loop a friendly day of hunting. Located in the parking lot of the Carrefour shopping center, it welcomes each year a large number of exhibitors, individuals and professionals, in a practical format easily accessible from all over the Paris region.

The Montesson May 1st Great Flea Market: the Labor Day gathering

Every year, on May 1, bargain hunters from the Paris region meet in Montesson to take part in the Great Flea Market organized in the Carrefour shopping center parking lot. This traditional event takes advantage of the public holiday to offer a complete day of bargain hunting in a format suitable for everyone.

A practical and accessible format

The originality of this flea market lies in its location: the parking lot of a large shopping center. This choice offers many advantages: free and easy parking, accessibility from the A14 or N13, and on-site services (cafes, fast food, restrooms).

Montesson, dynamic town in the Seine loop

Montesson is a town of over 15,000 inhabitants located in the Seine loop, between Saint-Germain-en-Laye and Le Pecq, at the gates of western Paris. Its strategic position makes it an appreciated crossroads.

A wide range of exhibitors and items

With its generous format and established reputation, the Great May 1st Flea Market attracts a large number of exhibitors each year. Individuals and professionals mix together, offering visitors a wide variety of products.

A friendly and festive day

Taking advantage of May 1 for a flea market is like offering yourself a relaxed break on a public holiday. The atmosphere is generally cheerful, and exhibitors are willing to discuss and negotiate.

Montesson May 1st Flea Market — edition 2026

The 2026 Montesson May 1st Great Flea Market will take place on Friday, May 1, 2026 in the Carrefour shopping center parking lot. Individuals and professionals, free parking, easy access from the Paris region. Free admission.

Prices Montesson May 1st Flea Market 2026

Free admission.

Practical information — Montesson May 1st Flea Market

Practical Information

Date

Friday, May 1, 2026.

Location

Carrefour shopping center, Montesson (78360), Yvelines.

Access

From Paris via the A14 or N13. Free parking on site. Le Vésinet-Le Pecq and Sartrouville SNCF stations nearby (RER A and line L).

Visitors

Free admission. Catering and services available in the shopping center.

Exhibitors

Individuals and professionals. Numerous stalls.

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Where does it take place Montesson May 1st Flea Market

Centre commercial Carrefour Montesson

Centre commercial Carrefour, 78360 Montesson

Montesson May 1st Flea Market in brief

Car Boot Sale Flea Market Outdoor Annual Mixed Free Admission Family-Friendly Yvelines Annuel (1er mai)