Illiac Bay is a body of water located in the northern part of the state of Illinois, specifically within Lake Michigan. It is known for its scenic views and recreational opportunities, including boating and fishing. The bay is part of the larger Chicago metropolitan area, making it a popular spot for both locals and tourists. The bay is bordered by several parks and residential areas, providing access to nature and outdoor activities. Its proximity to the Chicago River enhances its appeal, as visitors can enjoy a variety of water-based activities while taking in the urban landscape surrounding the bay.