Comalcalco is considered to be fairly safe for solo female travelers. While it's not an area with a high level of criminal activities, like any other destination, it's important to stay vigilant. The locals are friendly and helpful, but just like anywhere else, be cautious of pickpockets. Additionally, it is highly recommended to avoid less crowded places or traveling at night alone. Sticking to popular areas and knowing a bit of basic Spanish will help you walk around gracefully. Also, it is always good to have your accommodation details and emergency contacts handy, just in case.