Aquiraz, like most places in Brazil, may present some safety concerns such as petty thefts and street crimes, which are frequent especially in tourist areas. However, provided you take sensible precautions, such as avoiding deserted places, not flaunting wealth, and keeping personal belongings secure at all times, your experience should generally be safe. The local people are quite friendly and helpful, which makes traveling easier. It is recommended to learn some basic Portuguese for better communication and ensuring more safety.