Travelers are voting Alcatraz Island and Angel Island as the best islands near South San Francisco. There are 2 islands near Benicia a city just 31 km from South San Francisco and 2 islands near Concord which is 31 km distant. The most popular of these are Alcatraz Island near Benicia and Angel Island around Concord. You can find 9 islands near California and 140 islands in the country of United States. Our members favorite in California is Catalina Island and Alcatraz Island is the top pick in United States. Want more? Check out our map of islands near South San Francisco.