Darihanne Torres, 13, fell into the water at about 7:30 p.m. Friday at Loyola Beach on the North Side. Torres was with another 13-year-old girl, who survived.
Torres had been under water for about 45 minutes and found about three blocks from where she went under.
On Friday, a beach hazard warning was in effecting indicating that potentially life-threatening waves and rip currents in Cook County and northwest Indiana.
Three boys were also pulled from the water, but were OK.