Great Lakes, Illinois, is a village located in Lake County, primarily known for being home to the Naval Station Great Lakes, the largest military training facility in the United States Navy. Established in 1908, the base plays a crucial role in training new sailors and is a significant part of the local economy. The village covers an area of approximately 1.5 square miles and has a small population. It is situated near the shores of Lake Michigan, providing residents and visitors with access to various outdoor activities. Great Lakes is also close to the city of Waukegan, offering additional amenities and services.