Yes, Miami is a relatively safe city to explore in Florida if you remain vigilant in and around tourist attractions of Miami as pickpocketing is very common in the popular tourist destinations of Miami. There are some places in Miami that are totally unsafe for tourists due to the high violent crime rate like Overtown, Model City & Downtown. But don't worry about these places because they are situated far away from the prime tourist places in Miami. You are advised to remain vigilant around tourist landmarks, since pickpockets are an issue there, and keep an eye out for suspicious activities wherever you go.