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.
Located in the region of Isles-lès-Villenoy, archaeological evidence suggests that it has been inhabited since the Merovingian period. According to local lore, Charles the Simple once resided in a castle there. The village's significance increased when a bridge over the Marne River was built in 1839.