SWFD units on scene at Trigger Trl in Seacrest. Engine 1 arrived and found third floor of structure involved in fire. Several SWFD units are on scene and now have the fire knocked down. One occupant was transported to Sacred Heart Hospital on the Emerald Coast for smoke inhalation. Units remain on scene and E CR 30A is blocked off in the area by WCSO. SWFD's Fire Marshal is enroute to the scene to determine the cause of the blaze.