The Big East park with two open shelters, one a large stone CCC shelter and a smaller shelter, are available on a first come/first serve basis at no fee. There is sandy beach swimming, modern restroom and nice playground equipment.
The smaller West park offers a small open shelter which is available on a first come/first serve basis at no fee. A sandy beach swimming area with playground equipment and fishing is a draw to visitors. A portable jon is available through the summer.
The DNR park offers public fishing spots.
All areas of Twin Lakes State Park are day use only, no camping is available.