This story takes place in Milwaukee, Wisconsin on Lake Michigan. In Sunset Towers, Shin Hoo's restaurants, and Sam W. Westing's mansion.
The setting relates to the story because these are the main places where all the characters went.
Shin Hoo's resturant
This restaurant in the book is a Chinese restaurant until Grace Wexler takes it over and makes it an athletic restaurants
Sunset Tower is the apartment everyone lives in. This is where most of the book takes place.
The Westing Mansion
On Halloween night, this is the mansion everyone dares Turtle to go in this mansion. This is Sam Westing's house.