You'll enjoy the museums and parks in Ciudad del Carmen City-Centre. You might want to make time for a stop at Our Lady of Carmen Church or Zaragoza Park.
Justo Sierra might not have many top sights, but Norte Beach and Church of Our Lady of Fatima are two attractions nearby that you can check out.
Though Belisario Domínguez might not have many top sights, you can venture to the surrounding area to see attractions like El Zacatal Bridge and Norte Beach.