The thirty-second edition of the Caribbean Series (Serie del Caribe) was played in 1990. It was held from February 5 through February 11 with the champions teams from the Dominican Republic, Leones del Escogido; Mexico, Naranjeros de Hermosillo; Puerto Rico, Senadores de San Juan, and Venezuela, Leones del Caracas. The format consisted of 12 games, each team facing the other teams twice, and was played at Miami Orange Bowl in Miami, Florida.