San Marine is an unincorporated community and census-designated place (CDP) in Lincoln County, Oregon, United States.

It was first listed as a CDP prior to the 2020 census.

[3] The CDP is in southern Lincoln County, along the Pacific Ocean.

U.S. Route 101 passes through the CDP, leading north 5 miles (8 km) to Waldport and south 3 miles (5 km) to Yachats.

This Lincoln County, Oregon state location article is a stub.