Soon crossing into the town of Aurelius, NY 90 crosses over railroad tracks and begin paralleling them past a junction with Lake Road (CR 2A). Passing the entrance into Lakeview Cemetery, NY 90 enters the village of Cayuga. Running north along Court Street, NY 90 runs along the eastern end of the village, changing names to Willard Street at Genesee Street, soon returning to the shoreline and soon back into the town of Aurelius. Running north along the shoreline, NY 90 continues through Aurelius, passing numerous lakeside communities before winding north into the town of Montezuma. In Montezuma, NY 90 reaches a junction with US 20 and NY 5 (Clark Street Road).