Canada headed the list of the countries sending more than 1.5 million tourists to the island in the first six months of this year, an increase of 10.6 percent over 2010, according to a report by the National Statistics Office.
Russia, Argentina, Britain, Chile and France are also leading to the spike. The United States was in eighth place.
Tourism is the the second-biggest contributor of foreign currency to Cuba, generating $2.1 billion from some 2.5 million tourists last year.
Cuba hopes to receive 2.7 million tourists this year.