On May 22, 2018, Bautista signed a one-year deal with the New York Mets. Bautista hit a double in his first at bat with the Mets. He later scored on a sacrifice fly. On June 22, 2018 Bautista hit his first home run as a member of the Mets against the Dodgers making it his 3rd of the season (his previous two being with the Braves). On July 6, Bautista hit a walk off grand slam against the Rays, which was the first walk off home run of his career. He batted .204 with the Mets with a .351 OBP.