The tragic discovery was made Friday evening after emergency crews spent days searching the river for the missing 10-year-old girl.
Authorities did not release the missing man's identity.
The swimmer disappeared on May 18 near the 10th Street beach after being struck by a wave and failing to resurface.
According to Wildwood police, Davoris Carter's body was found along a beach in Cape May on Tuesday.
The body of a swimmer who went missing in the Delaware River has been located.