Kona Grill, Inc. is an upscale casual restaurant company based in Denver, Colorado serving American cuisine, sushi, and cocktails.[4] The company owns and operates around 40 restaurants[5] in 23 U.S. states, as well as three international locations operating under franchise agreements.[6] In 2019, STK Parent company, One Hospitality Group purchased Kona Grill for $25 million.[7]