Santo Amaro do Maranhao generally features a peaceful environment, with locals being friendly and helpful towards tourists. Police presence, especially in and around popular areas and tourist sites, is visible which enhances security. However, as with any travel destination, it's recommended to be cautious and keep personal belongings close to prevent pickpocketing or theft. Practicing basic safety measures, like avoiding deserted or poorly lit areas at night and not openly displaying expensive belongings, can ensure your trip is safe and enjoyable.