In the last 90 days, 10 listings have been made available, which means new availabilities most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 20% of the available space in the Aventura are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 12,000 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this market are approximately 9 stories. Most buildings in this area were built in 1988 and are Class A.