Illinois /

Quincy Bay

Lake in Illinois · 218 acres · near Quincy

Quincy Bay is a 218-acre lake near Quincy in Illinois, with 1 public boat ramp listed here.

Motors: No horsepower limit (for the whole water, per the boating rules map of Illinois Department of Natural Resources; check the posted rules before you go)

Boating rules

From the boating rules map of Illinois Department of Natural Resources, read October 18, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.

Boat launches on Quincy Bay