Wrigley Company
The William Wrigley Jr. Summer Cottage, or "Mount Ada", is a historic residence located at 76 Wrigley Road in Avalon, on Santa Catalina Island, California. It was the former summer mansion and gardens of William Wrigley Jr. (1861–1932), the founder of the Wrigley Company. It is on a hill, overlooking the town and Avalon Bay.