Tubac is a census-designated place in Santa Cruz County, Arizona, United States. The population was 949 at the 2000 census. The name is a Spanish corruption of O'odham phrase 's-cuk baʼa', or perhaps 'cu wa', meaning 'black water' or 'low place', respectively Tubac is situated on the Santa Cruz River. Tubac apartments for rent comparison page shows most up to date rent information on Tubac apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.