Cod Creek is a long 2nd tributary to the Nanticoke River in Sussex County, Delaware.
Cod Creek rises about 1 mile northeast of Columbia, Delaware and then flows northwest into the Nanticoke River about 0.75 miles northeast of Sharptown, Maryland.
Cod Creek drains of area, receives about 44.4 in/year of precipitation, has a topographic wetness index of 654.93 and is about 11% forested.