Fifteen-year-old David Henry Mordecai accompanied his father on the Isabel on a trip to Key West and Cuba in March of 1849. His diary from the journey, pages of which are shown here, contains some of the earliest impressions of the Florida Keys and their surrounding waters on record. (Special Collections, College of Charleston Library. See original here: http://lcdl.library.cofc.edu/lcdl/catalog/lcdl:31305)