Most listings are in the $20's per square foot per year. The Martin County submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 15% rise in rent.
In the last 90 days, 52 listings have been posted online, so you'll want to check back regularly for new listings. 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 1,700 sqft. Most buildings in this area are close to 2 stories. Most buildings in this area were built in 1986 and are Class B.