 In 2013, she became the first Spanish badminton player to win a Grand Prix Gold title after winning the London Grand Prix Gold.In August, Marín played for the Bangalore-based team Banga Beats in the inaugural edition of the Indian Badminton League (IBL).On 31 August 2014, she defeated Li Xuerui of China in the World Championships women's singles final and became the first Spaniard to win a World Championship title and the third European female player to achieve the gold medal, after Lene Køppen (1977) and Camilla Martin (1999).