CIA - The World Factbook: San Marino - Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues..
Republic of San Marino - History, economy, cartography, museum, government of Republic of San Marino..
San Marino Site - Offers information on tourism, business, shopping, and attractions. Some sections in English..
US Department of State - San Marino - Country portal offers a map and links to Background Notes, the US embassy and the current ambassador, press releases, fact sheets, annual Human Rights Reports and other major reports including Industry Market Reports..
Wikipedia - San Marino - Hyperlinked encyclopedia article covers the country's history, government and politics, geography, economy, demographics, language and culture..
