Little Muskego Lake is a 506-acre flow-through lake with extensive shallow margins and a single deep basin. It has a maximum depth of 65 feet. Visitors have access to the lake from public boat landings. Residents and visitors to Little Muskego Lake enjoy a variety of lake-related recreational activities including boating, skiing, sailing, and fishing. The Muskego Recreation Program holds water-related classes and recreational activities on the lake. Anglers seek game fish species including largemouth bass, northern pike, and walleyes as well as several panfish species.

The Little Muskego Lake Association is a service organization made up of volunteers and interested citizens. The Lake Association has knowledgeable opinions on the lake and the land surrounding it but they have no regulatory power. They work to improve the lake and its watershed through numerous lake projects including: carp eradication, sewer installation, and adoption of erosion and stormwater ordinances.