Career
He is the first swimmer to unite all five continents in the world by swimming. In 2005 he crossed the stretch of Gibraltar twice. In 2007 he swam around the island of Manhattan twice.
Finally, in 2010 he completed a feat in which he swam across all five continents in promotion of the United Nations Millennium Development Goals.
In 2011 Marcos Díaz was inducted in the International Marathon Swimming Hall of Fame, class of 2012.