 On February 6, 2008, Castro Marques was traded by Seattle to the Atlanta Dream along with the Storm's first round pick in exchange for Roneeka Hodges and the fourth overall pick in the 2008 draft.In her four-year stint with the Atlanta Dream from 2008-2011, she played with fellow Brazilian Érika de Souza, whom she played with in high school back in Brazil.Castro Marques had the best years of her career in Atlanta, especially in the 2010 season where she averaged a career-high 16.9 ppg and had also helped Atlanta reach the WNBA Finals twice in 2010 and 2011.