Marathon Lake Campground in Smith County offers 34 developed campsites with water and electric hookups, a boat ramp, and a sandy swimming beach on a quiet 50-acre lake located 15 miles southeast of Forest, MS.

The campground operates March 1–December 15 on a first-come, first-served basis ($20/night) and features amenities including two bathhouses with showers, a dump station, picnic shelters, a 1. 7-mile hiking trail, and a volunteer campground host.

Recreational opportunities include boating (motorized and non-motorized), fishing, swimming, biking, and volleyball.