Isles-lès-Villenoy has existed at least since the Merovingian period, and according to legend, Charles the Simple had a castle there. The village became significant when a toll bridge over the river Marne was built in 1839.
Isles-lès-Villenoy dates back to at least the Merovingian era, and legend has it that Charles the Simple had a stronghold there. The village gained prominence with the construction of a toll bridge across the Marne River in 1839.