Kealakekua is a census-designated place (CDP) in Hawaiʻi County, Hawaiʻi, United States. The population was 1,645 at the 2000 census. It was the subject of the 1933 popular song, "My Little Grass Shack in Kealakekua, Hawaii" by Bill Cogswell, Tommy Harrison and Johnny Noble which became a Hawaiian Music standard. See also: Kealakekua Bay, where the British explorer Capt. James Cook was killed.