The visitor must possess a valid passport, and the Visa or Tourist card. Excepting the countries which Cuba has agreements of free Visa with. The Tourist cards can be requested in the Custom Cuban representations, in the travel agencies and airlines. There are two kinds: for individual tourists or for tourists that travels in groups.

Business travels, journalism, or long stays or for work, require special Visa, therefore you must go to Consulates or Cuban Embassies of your country.