Career
Santamaría has been switching teams every season from his debut at Estudiantes in 2007 until signing up with UES in 2011. In December 2013 he signed with Guatemalan club Suchitepéquez for one year. After having success at the club, he signed with Municipal on May 25, 2013 on a one-year contract.
Santamaria made his senior national team debut in a friendly 2-1 loss versus Venezuela.