Marcellus is a community in Adams County, Washington. All that is left today in Marcellus is the end of railroad line, a grain elevator, and a few homes.
Marcellus is on North Suko Road, and has an intersection with the west to east cross street of East Griffith Road. There are no businesses in Marcellus. It is surrounded by lush farmland. It is near the community of Packard and the city of Ritzville.