It's a good question, as you're referring to a city in Florida, where you can't rely on the drivers to drive like they're supposed to, at all. However, in Miami, the side of the road officially traveled on at least is the right side, the same as it is throughout the entire United States, which includes all states and territorial possessions.
Germans drive on the right side of the road.
They drive on the left side of the road.
Canadians drive on the right side of the road.
In France they drive on the right side of the road.
In Sweden, you drive on the right side of the road.
yes you do drive on the right side of the road
US drivers drive on the right side of the road.
In Morocco, people drive on the right side of the road.
In all the countries on mainland Europe people drive on the RIGHT side of the road.
you drive on the right side of the road just like in the U.S.
The Indians drive their car on the left hand side of the road.
in Canada you drive on the right side of the road.