If you are a US or Canadian citizen you can purchase any over-the counter fishing license online.
You can also obtain your licenses through the following businesses in Kingsbury County:
Handi Mart :: 100 N Hwy 81, Arlington :: (605) 983-5771 :: General Licenses
Cowboy 7 :: 104 Hwy 14, DeSmet :: (605) 854-3553 :: General Licenses
General Store :: 104 Hwy 14 W, DeSmet :: (605) 854-3871 :: General Licenses
Main Stop :: 102 Hwy 14 E, DeSmet :: (605) 854-9200 :: General Licenses, Tag Replacement
Bait Box :: 101 Fremont Ave N, Lake Preston :: (605) 847-4590 :: General Licenses