Citing preliminary reports, the incident occurred around 3:10 a.m. in the vicinity of West Foster Avenue and North Marine Drive.
One report stated the beating occurred at the lakefront.
Four Hispanic males beat the victim and one offender struck the victim in the face with a bottle, said police.
Investigators said some of the suspects had tattoos on their faces and one suspect’s hair was styled in a “shag”.
The battery victim was transported to Weiss Memorial Hospital, 4646 North Marine Drive, where as of 4:54 a.m., he remained unconscious.