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.
They drive on the left side of the road.
Germans drive on the right side of the road.
Canadians drive on the right side of the road.
In France they drive on the right side of the road.
US drivers drive on the right side of the road.
yes you do drive on the right side of the road
In Sweden, you drive on the right side of the road.
In the Netherlands, you drive on the right side of the road.
you drive on the right side of the road just like in the U.S.
in Canada you drive on the right side of the road.
The Indians drive their car on the left hand side of the road.
The French drive on the right side of the road.