May 1 through Sept. 30 seasonal campsites available nestled in-between Lake Thompson and Lake Henry located near Lake Preston and De Smet, South Dakota.
Martens Campground has 42 camp sites located between the largest natural lake in South Dakota, Lake Thompson, and Lake Henry. We are open May 1 through Sept. 30. We have a number of seasonal campers who enjoy fishing and socializing. Great people, great times!
