City officials said Rogers Beach and Howard Beach are no longer salvageable and will be replaced with rock.
Before and after photos of Chicago beaches
Nearby residents said they have been watching the erosion and high water of Lake Michigan eat away at beach access.
Despite the city's best efforts to preserve the beach line at Rogers, some residents said they disagree with the city's decision and think some access should be allowed.
Dramatic photos show Chicago's disappearing beaches
Work is also being done at Juneway Beach, which currently restricts people's access to the shoreline.