Lake St. Louis is a planned community located in St. Charles County, Missouri. It features a large, private lake that offers recreational activities such as boating, fishing, and swimming. The area is known for its residential neighborhoods, parks, and amenities that cater to families and outdoor enthusiasts. The city was incorporated in 1970 and has grown steadily since then. It is part of the St. Louis metropolitan area and provides easy access to nearby cities. Lake St. Louis also hosts various community events throughout the year, fostering a strong sense of community among its residents.