At salt flats nearby is tiny Esperance airport, a one-strip, one-shed affair used for flights to and from Pointe Pitre and Saint-Barthelemy.
Esperance airport is in a nearby salt flat.  
mnli hypothesis: Esperance airport is in a nearby salt flat.   premise: At salt flats nearby is tiny Esperance airport, a one-strip, one-shed affair used for flights to and from Pointe Pitre and Saint-Barthelemy.