Miami's climate is predominantly hot with intense seasonal rainfall, which dictates your tire choice:

Known for quick service and competitive "cash" pricing options. Tire Squad 6440 Closed6440 SW 40th St A well-reviewed local option for fast installation. How to Buy Tires: A Step-by-Step Guide - US News Cars

(Multiple locations including W Flagler St ): Often cited for the best overall value, including free lifetime rotations and road hazard warranties.