We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.We support the following browsers: Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.
I personally have never seen these vendors along the beaches in Bay St. Louis. You have to go further east to Gulfport/Biloxi before you find that. For the most part, in BSL, you'll just find people on the beach.