Which bay is separated from Lake Ontario by Point Peninsula and the adjoining mainland point?

The correct answer is Chaumont Bay. This bay is located in the northeastern part of Lake Ontario, bordered by Point Peninsula and the adjacent mainland. The geographical relationship between Point Peninsula and Chaumont Bay is significant because it forms a natural separation that defines the bay's boundaries from the larger body of Lake Ontario.

Chaumont Bay is notable for its recreational opportunities, including fishing and boating, and is a popular destination for those looking to enjoy the natural scenery and local wildlife. The bay's formation, influenced by the surrounding land, contributes to its unique ecosystem and the types of habitats found in the area. Understanding the specific geographical features that define Chaumont Bay and its relationship with Lake Ontario is critical for navigation, local ecology studies, and appreciating the region's natural resources.

Other bays, such as Black Bay, Burlington Bay, and Mexico Bay, do not share the same boundary characteristics with Point Peninsula, which is why they are not the correct answer.