Quantico is an unincorporated community and census-designated place in Wicomico County, Maryland, United States, along the former stage route from Vienna to the port of Whitehaven on the Wicomico River. It consists of approximately 35 homes on the Quantico Creek. The community lies four miles from Hebron along Maryland Route 347. There are two churches, a general store, and a post office in the community. It is part of the Salisbury, Maryland-Delaware Metropolitan Statistical Area.