I'm not sure one really knows until a serious hurricane hits, and unfortunately they will. Cancun was hit incredibly hard by Wilma and rebounded, extremely fast, I thought. Headlines for Wilma read: CANCUN, Mexico (CNN) -- Hurricane Wilma was "relentlessly pounding" Mexico's Yucatan Peninsula early Saturday, the National Hurricane Center said, packing 125 mph winds and dumping "tremendous" amounts of rain that may not let up in the popular tourist area for the next 24 hours.
As mentioned the construction becomes all important, it's the windows, window, and window...and the foundation. I've heard the Royal Resorts use skyscraper quality windows and the foundation is more like a bridge foundation than a building. I've been told how far down it goes, but have forgotten.
I'd heard this before the hurricane, but it's just "information" until it is tested and Cancun was certainly tested recently. One would think the rebuilt/remodeled resorts would be to new standards, but would one really know until the next hurricane?