St Thomas, entails a moderate level of safety for solo female travelers. Though it's a popular tourist spot, you should be aware of your surroundings and cautious especially during after dark hours. It's preferable to use licensed taxi services or designated chauffeurs for transportation, ensure your accommodations are secure and well-reviewed, and avoid displaying valuable items in public. Petty crimes like pick-pocketing can occur and it's always important to be vigilant. Yet, people are generally friendly and respectful towards tourists. Plan your activities for daylight hours, stay among crowds, and seek local guidance for safety measures, if possible.