Dock Junction is an unincorporated community and census-designated place (CDP) in Glynn County, Georgia, United States.

It is part of the Brunswick metropolitan statistical area.

[4] Its original name was Arco until the 1970s, the name deriving from the Atlantic Refining Company.

[16] As of the 2020 United States census, there were 8,266 people, 2,976 households, and 1,942 families residing in the CDP.

Zoned schools serving sections of the CDP include:[22]