CIA - The World Factbook: Cuba - Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues.
Cuba Web Directory - English- and Spanish-language Cuba-based sites categorized by subject, with brief annotations.
CubaMania - Message board and links to art and tourism sites.
CubaSi.cu - Online guide and directory for the island that includes news, weather and current local affairs. [English/Spanish]
Cubasource - Annotated directory information on Cuban economic, political and social themes, produced by the Canadian Foundation for the Americas. [English/Spanish]
Cubaweb - Portal with news and information, products and services.
Destination Cuba - Photos, brief recent history, news stories, and references for tourists.
Havana Journal - US-based weblog features business, culture, politics and travel news, with forums and directories as well as products for sale.
University of Colorado - GovPubs: Cuba - Links to resources from the country's own government, the United States, the United Nations and international sources.
US Department of State - Cuba - Country portal offers a map and links to Background Notes, Country Study, the US embassy and the current ambassador, USAID page, press releases, fact sheets, annual Human Rights Reports and other major reports including Industry Market Reports.
Wikipedia - Cuba - Hyperlinked encyclopedia article covers the country's history, government and politics, geography, economy, demographics, language and culture.