Most listings are in the $20's per square foot per year. The Greenacres region is going through a a boost in rates. In the last 3 months, the median rate increased $8 per sqft per year. That's a 43% rise in rent.
Compared to the rest of the Gold Coast market, the Greenacres submarket has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 3 listings have been made available, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 2,600 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this market are around 3 stories. Most buildings in this area were built in 1985 and are Class B.