Just a little research on the Internet will find you several Haunted Houses, real and staged, and related events in Gulfport. Here are just a few that you might want to check out!
Terror on the Coast, 3450 Giles Road, just off U.S. 49 and 34th Street, http://www.sunherald.com/news/local/counties/harrison-county/article37960620.html
Gregory House, http://www.hauntedhouses.com/states/ms/gregory_house.htm
Catacombs of Terror, Barksdale Pavilion in Jones Park http://www.gulfcoast.org/visitors/events/index.cfm?EventID=6615
Into the Woods / Haunted Trail, 27460 Road 310, Gulfport http://www.gulfcoast.org/visitors/events/index.cfm?showweek=1&cdate=10-25-2015