Off-leash dog-friendly areas in the city of Chicago, according to the Chicago Park District:

 

Wiggly Field, 2645 N. Sheffield

Wicker Park, 1425 N. Damen

Hamlin Park , 3035 N. Hoyne

Margate Park [northeast corner of Marine Drive and Lawrence Avenue]

Walsh Park , 1722 N. Ashland

N. Orleans & Ohio

Coliseum Park, 14th St. & Wabash

Opening soon: Promontory Point, 5491-93 S. South Shore Dr.