В принципе Прохожий прав но всегда есть исключения.
Сказать что туризма из США на КУбу не существует нельзя.

К примеру вот
http://www.preservationnation.org/travel...CFQIQNAodaWKECA
http://www.friendlyplanet.com/vacation-packages/caribbean/cuba.html?gclid=CNL81Yir9rACFYao4AodIRWbFQ
http://communities.washingtontimes.com/n...aking-comeback/

А вот тут правила и везде есть исключения.

A general license does not require paperwork and may apply to the following:
Professional journalists on assignment in Cuba
Full-time professionals conducting academic research or attending professional conferences
 Persons on official government business

A specific license requires paperwork and State Department approval on case-by-case basis. You may be approved for a specific license if you fall into a certain class of persons. Note that a specific license may be granted to an institution (i.e. university, church) under whose auspices an individual may then travel without applying separately to the State department, or a specific license may be applied for and granted to an individual. Some of the classes of persons who may be granted a specific license are:
 Persons visiting immediate family in Cuba
Full-time graduate students conducting academic research to be counted toward a graduate degree
 Undergraduate or graduate students participating in a study abroad program of at least 10 weeks in length
 Professors/teachers employed at a US institution travelling to Cuba to teach
Persons engaging in religious activities
Freelance journalists
Persons engaging in humanitarian projects
Persons engaging in non-profit cultural exhibitions

You cannot travel to Cuba for purposes of tourism. However, even U.S. citizens whose primary interest is tourism can get authorization to travel under the auspices of a program whose activities are sufficiently religious, educational, cultural, or otherwise exempt to qualify for a license. It is even possible for an individual with a credible background in, say, freelance journalism or academics, to craft a "mission" for their visit which successfully gets them a permit. Further details and forms are available from the U.S. Dept. of State

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