Boa Vista, as with any other urban city, presents both safe and less safe areas. It's generally secure during the day, particularly in populated locations; however, it is advisable to maintain alertness and avoid isolated areas, particularly after dark. Local knowledge is highly recommended to avoid risky areas. Precautionary measures like not flashing valuable belongings can help ensure personal safety. Utilizing trusted transportation services and being cautious of unfamiliar people will also contribute to a safer journey.