Most listings are in the $50's per square foot per year. The Aventura region is experiencing a a boost in rates. In the last 3 months, the median rate went up $15 per sqft per year. That's a 33% rise in rent.
Compared to the rest of the Gold Coast market, the Aventura submarket has greater rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 10 listings have been posted online, which means listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 10% of the office spaces in the Aventura are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,100 sqft. Most buildings in this market are approximately 9 stories. Most buildings in this market were built in 1988 and are Class A.