KKMK (93.9 FM, "93.9 The Mix") is a radio station in Rapid City, South Dakota, airing a hot adult contemporary format.

In May 1999, Triad Broadcasting reached a deal to acquire this station from Brothers Jim and Tom Instad as part of a twelve-station deal valued at a reported $37.8 million.

[2] In July 2006, Schurz Communications Inc. reached an agreement to buy this station from Triad Broadcasting Co. as part of a six-station deal valued at a reported $19 million.

[4][5] Though Gray initially intended to keep Schurz' radio stations, on November 2, it announced that HomeSlice Media Group, LLC would acquire KKMK and the other Rushmore Media Company radio stations for $2.2 million; the deal reunites the stations with KBHB and KKLS, which HomeSlice acquired from Schurz in 2014 following its purchase of KOTA-TV.

[6][7][8][9] The sale to HomeSlice Media was consummated on February 15, 2016 at a price of $2.5 million.