You can go to Cuba legally and without a license as long as you affirm your travel fits into one of these US government approved categories:
- Educational activities in Cuba for schools, including people-to-people exchanges open to everyone
- Professional research and professional meetings in Cuba
- Public performances, clinics, workshops, athletic and other competitions, and exhibitions in Cuba
- Religious activities in Cuba
- Humanitarian projects in Cuba
- Journalist activities in Cuba
- Family visits to close relatives in Cuba
- Activities in Cuba by private foundations, or research or educational institutes
- Any type of support for the Cuban people
- Exportation, importation, or transmission of information technologies or materials
- Certain authorized export transactions including agricultural and medical products, and tools, equipment and construction supplies for private use
- Official business of the US government, foreign governments, and certain intergovernmental organizations
US visitors are required to engage in full time itinerary activities related to the above categories of travel.
There is no limit on the amount of money you can spend in Cuba. Travelers can use US credit and debit cards in Cuba (this facility will be in place after July 2015).
Travelers can return to the US with up to $400 of Cuban goods for personal use, including up to $100 of alcohol or tobacco products. Cuban artwork and informational materials are exempt from this limit.
Purely touristic travel such as stays at all-inclusive beach resorts remains prohibited.