Nine people have been indicted in a child sex trafficking case involving a teen girl found on a boat docked at a Long Island marina following a nearly monthlong disappearance.

More arrests are expected in the alleged sex trafficking of Long Island teen Emmarae Gervasi, The Post has learned. “There’s a few more people” Suffolk County police are looking into, said a source with knowledge of the investigation. The source added detectives are amassing evidence against the suspects “to ensure convictions.”