The Cherokee Marsh - South Boat Launch is a concrete boat ramp located in Wisconsin. According to the latest information available, the boat ramp is 20 feet wide and can accommodate small to medium-sized watercraft. It services the Cherokee Marsh, which is a 2,000-acre wetland located in the northern part of Madison, Wisconsin.

The boat launch provides access to the Yahara River, which runs through the marsh and connects to several nearby lakes, including Lake Mendota and Lake Monona. The body of water is suitable for a variety of watercraft, including motorboats, kayaks, and canoes.

The Cherokee Marsh - South Boat Launch is a popular destination for fishing, boating, and other recreational activities. It is open year-round, and there is no fee to use the boat ramp. However, users are required to follow all local boating regulations and guidelines, including wearing life jackets and observing no-wake zones.