[3] The First Presbyterian Church of Avon, at the northeast corner of the central intersection in the hamlet, was added to the National Register of Historic Places in 2005.

U.S. Route 20 and New York State Route 5 pass concurrently through the community, leading west 2 miles (3 km) to the village of Avon and east 5 miles (8 km) to Lima.

State Route 15 crosses Routes 20 and 5 in the center of East Avon, leading south 5 miles (8 km) to Lakeville and north 19 miles (31 km) to Rochester.

I-390 leads north to Rochester and south 54 miles (87 km) to Interstate 86 in Avoca.

According to the U.S. Census Bureau, the East Avon CDP has an area of 1.3 square miles (3.4 km2), all land.