Big Eau Pleine County Park's South Unit features two separate poured concrete boat ramps with launching piers, both suitable for most water levels, with a $3/day or $20 annual launching fee.

The facility includes 29 paved parking spaces for vehicles with trailers at both landing areas, plus additional amenities such as picnic shelters, grills, restrooms, and a swimming beach nearby.

The South Unit Campground offers 60 sites (24 with electricity) for those planning extended visits to the Big Eau Pleine Reservoir.