Most listings are in the $50's per square foot per year. The Miami Beach region is experiencing a decline in rates. In the last 3 months, the median rate fell $8 per sqft per year. That's a 13% decrease in rent.
Compared to the rest of the Gold Coast market, the Miami Beach region has more expensive rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 5 listings have been listed, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 260% of the listings in the Miami Beach are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,920 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are around 4 stories. Most buildings in this market were built in 1959 and are Class A.