In the last 90 days, 0 listings have been listed, which means leases are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About NaN% of the available leases in the Bay St. Louis are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 sqft. Most buildings in this area are approximately 1 floors. Most buildings in this market were built in 0 and are Class B.