If you don't mind sharing the common areas in a house (www.cayecaulker.org/realestate), the rooms in Chateau Giselle rent for $50 U.S. per night. Please take a moment to visit the above website for some pics. Also try this link of my new website in the making for some interior pics: www.cayecaulker.org/giselle
Stayed in Heredia's apartments last november. Excellent and friendly service, good prices especially if staying for a length of time, it was about $100 us for the week, although I don't think it was the height of the tourist season.