After being selected by the Santiago Province Guild of Sports Writers as Volleyball Player of the Year, she played with the Dominican club Mirador, Her club lost its two matches 1-3 to the Swiss Voléro Zürich and 0-3 to the Brazilian Rexona Ades Rio and finally ranking, tying for fifth with the Japanese Hisamitsu Springs. Fernández played in the 2015 Montreux Volley Masters, and her national team lost the fifth-place match 1-3 to Germany. She later played the NORCECA Champions Cup, winning the gold medal and the qualification for the 2015 FIVB World Cup. At the Pan-American Cup in Peru, she won the silver medal when her team lost 0-3 to the United States the gold medal match. She then played the 2015 FIVB World Grand Prix, ranking with her national team 12th, after finishing 0-9 in the Group 1. She played in Turkey the U23 World Championship having won the bronze medal when her team lost 2-3 to Brazil but defeated Japan 3-2 to claim the bronze medal. Fernández won the silver medal when her national team lost 1-3 the NORCECA Championship to the United States. She then played with the local club Cienfuegos, winning the XLI version of the Intermunicipal Volleyball tournament in Santiago and winning the Best Libero award.