For over 20 years it has been possible for Cuban locals to rent out a part of their home to tourist from overseas, so called Casa Particulares.
Casa Particular – a taste of Cuban Living

Cuba Travel Europa – Specialists in travels to Cuba
Cuba Travel is a Swedish Tour operator founded 2003 and with office in Havana and Stockholm. We create unique, special and interesting journeys for travelers who want to experience Cuba.
For over 20 years it has been possible for Cuban locals to rent out a part of their home to tourist from overseas, so called Casa Particulares.