The station went on the air as WLLK on June 13, 1988, owned by Walt Williams. In summer 1999, Williams sold the station to First Radio, owners of WKEQ (910 AM; now WSEK) WSFC (1230 AM), WSEK (96.7 FM; now WJQQ), and WWZB (93.9 FM; now WSEK-FM).[3]
On April 10, 2001, the station changed its call sign to WKII-FM; it changed to WHMJ-FM on March 15, 2004, and to WLLK-FM on August 18, 2005.[4]