All you really need to consider is the occasional thief, serious crimes are almost non-existent.
Violent attacks such as shootings or mass murders do not exist in Cuba and muggings and robberies are not very common. There’s also a significant police presence in cities, which effectively helps prevent both violent and non-violent crime.
Keep in mind the fact that Cuba has one of the best health systems in the world.
Everyone visiting Cuba is required to have health insurance that is valid in Cuba. You’ll need to purchase it at the airport upon arrival before passing through customs, Water bottles are highly recommended. Avoid the tap water, purchase bottled water and make sure it is sealed properly. Or, bring your own water bottle.
Driving in Cuba is something you need to undertake with caution.
Although the main roads of Havana are generally well-maintained, secondary streets often are not. Many roads and city streets are not well lit, which makes driving at night dangerous. Driving is on the right-hand side of the road, as in the United States. Cuban cars are old, in poor condition and lack turn signals.
(Rental car agencies provide roadside assistance to their clients)