Many hotels in Havana and Santiago de Cuba have WiFi, a business center with internet access, or both. WiFi is available either by the hour or by the day. Internet access in business centers is charged by the hour, and typically costs between $2-$10. Complementary WiFi is available for insightCuba guests staying at the Melia Cohiba in Havana.
Please note that Internet and WiFi access in Cuba is much slower than in the U.S.