Little Platte Beach is located within Little Platte Park on the west side of the lake and is accessed from 180th Street. Access is by vehicle and via the new Little Platte Trail. Nearby park attractions include Paradise Pointe Marina, Golf Complex, and Historical Sites - Woodhenge and Akers Cemetery.
Clay County samples water quality at all designated swimming beaches at Smithville Lake on a biweekly basis during the recreational season. The Missouri Department of Natural Resources has designated Smithville Lake as a body of water (lake) with recreational use category Whole Body Contact, category A (WBC-A).