On average, listings lease in the $20's per square foot per year. The Martin County region is experiencing a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 14% increase in rent.
In the last 90 days, 35 listings have come on the market, which means new listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,350 sqft. Most properties in this market are approximately 2 stories. Most buildings in this market were built in 1982 and are Class B.