The Question and Answer section for The Westing Game is a great resource to ask questions, find answers, and discuss the novel.
From the text:
I, Samuel W. Westing, otherwise known as Sandy McSouthers and others, do hereby give and bequeath all the property and possessions in my name as follows:
To all of you, in equal shares, the deed to Sunset Towers;
Chapter One is set in Sunset Towers, which overlooks the beautiful, Lake Michigan.
What chapter are you referring to?