Eastport is an unincorporated community and census-designated place (CDP) in Torch Lake Township, Antrim County, in the U.S. state of Michigan. The population was 218 at the 2010 census.
The community is located in northern Michigan between Grand Traverse Bay of Lake Michigan and the northern end of Torch Lake. U.S. Route 31 runs through the center of the community, intersecting state highway M-88. US-31 leads north 17 miles (27 km) to Charlevoix and 34 miles (55 km) north to Petoskey, and it leads south 16 miles (26 km) to Elk Rapids and 33 miles (53 km) to Traverse City. M-88 leads southeast 26 miles (42 km) to Mancelona.
According to the United States Census Bureau, the Eastport CDP has a total area of 2.0 square miles (5.2 km2), of which 0.008 square miles (0.02 km2), or 0.35%, is water.