The accident happened at 9:21 p.m. on the 900 block of North Kingsbury Avenue at the Chicago River, officials said.
Brian Garland, of the 14100 block of South Wabash Avenue, was pronounced dead at
Garland was on a boat with other people when he stepped off the boat with three people onto a wooden dock when he stumbled and fell into the river, officials said.
The boat's driver jumped into the river to get the man but was not successful, officials said.
The Chicago Police marine unit,