Chichén Itzá, being a UNESCO World Heritage Site and a popular tourist destination, generally has a high level of safety for visitors. It is regularly patrolled and locals are often quite keen to assist tourists. However, like any travel destination, it's still important to stay alert of your surroundings, especially in crowded places, as pickpocketing can still occur. Overall, solo female travelers should feel moderately safe while visiting Chichén Itzá, while always exercising common travel safety precautions.