Overview Bob Shetler Recreation Area is located in the tailwater area below the 26,000-acre Saylorville Lake Project, which stretches more than 50 miles up the Des Moines River Valley. The lake provides a wide variety of recreational activities, including boating, swimming, fishing, hiking and hunting.Recreation Visitors enjoy Saylorville Lake for its excellent boating, sailing, water skiing, windsurfing and swimming opportunities. Anglers will find walleye, wiper, largemouth bass, catfish, cra