The typical asking rate per listing is in the $50's per square foot per year. The Southport region is going through a an increase in rates. In the last 3 months, the median rate went up $57 per sqft per year.
Compared to the rest of the Fairfield market, the Southport submarket has higher rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 2 listings have been posted online, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,400 sqft. Most properties in this market are close to 2 stories. Most buildings in this area were built in 1986 and are Class B.