Main Street Historic District (Cold Spring Harbor, New York)

Main Street Historic District is a national historic district located at Cold Spring Harbor in Suffolk County, New York. The district has 32 contributing buildings. The majority of the buildings were built between 1855 and 1890. It encompasses the village's historic core and charts its development from a major whaling port to a summer resort community.

It was added to the National Register of Historic Places in 1985.