Kaʻau Crater Boys were a Hawaiian Contemporary musical duo composed of Ernie Cruz Jr. (vocals, guitar, bass), Troy Fernandez (ukulele, vocals). They recorded and released four popular Hawaiian Contemporary albums along with a "best of" compilation:

Tropical Hawaiian Day (1991)

Valley Style (1993)

On Fire (1995)

Making Waves (1996)

The Best of Kaʻau Crater Boys (1998)

Their work garnered them three Nā Hōkū Hanohano awards (Nā Hōkū Hanohano means "The Distinguished/Glorious Stars", Hawaii's version of the Grammy Awards) from the Hawaiʻi Academy of Recording Arts.