Documentation required: American citizens traveling to Cuba are required to have a passport valid for six months beyond the completion of travel in Cuba. Non-citizen U S residents are required to have a current passport of their citizenship country and a residency or alien (Green") card to prove legal residency on their return to the US.

The Cuban government requires visitors to have a Cuba Visa AKA Cuba Visitor's Visa. Cuban authorities will collect half of this two-part visa document when you arrive; you are required to keep the second half and return it on departure. Additionally, a departure fee of CUC 25 is required; if you are traveling with a group, it may be included with your fees.

You may be asked for your identity papers by uniformed personnel at any time, though it has been reported more frequently among people of color, particularly African-Americans. IMO, leave the passport in the safe deposit box in your hotel, etc. and carry a photocopy of the identification pages.

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Upon arrival airport in Cuba, usually José Martí International / HAV, you will have to fill out and turn in three documents: one a general health information questionnaire (you will be required to have health insurance for Cuba, it's mandatory); two, both sides (left and right) of the Cuban visa document, and three, a Customs declaration (which may not be requested). Your carry-on will be checked prior to baggage recovery and Customs (they are looking for illegal items: pornography, satellite communications gear (e.g. satphones), arms and ammunition, products of animal or vegetal origin, other comm gear including CB radios or walkie-talkies.