http://www.room77.com/
not sure about accuracy, and not many luxury hotels, but certainly interesting
edit - this used to have hotel plans for floors (incl RC CP for example) but turned into booking site

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european organization hotel star criteria (not stringent enough)
http://www.hotelstars.eu/userfiles/f..._2010-2014.pdf

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AAA 2013 + forbes 2013 >

forbes 5 star hotel, 5 star restaurant
AAA 5 diamond hotel, 5 diamond restaurant
- broadmoor (forbes 5 star spa)
- grand del mar (forbes 5 star spa)
- inn at little washington
- trump NY (michelin 3 star restaurant)
- umstead

(+5) forbes 5 star hotel, 5 star restaurant
- cloister (forbes 5 star spa)
- MO las vegas (forbes 5 star spa) (AAA 5 diamond hotel)
- MO miami (forbes 5 star spa) (AAA 5 diamond hotel)
- montage laguna beach (forbes 5 star spa) (AAA 5 diamond hotel)
- trump chicago (AAA 5 diamond hotel) (michelin 1 star restaurant)

(+11) AAA 5 diamond hotel, 5 diamond restaurant
- MO boston (forbes 5 star hotel, forbes 5 star spa)
- pen beverly hills (forbes 5 star hotel)
- fearrington house inn (forbes 5 star hotel)
- FS palm beach (forbes 5 star hotel)
- FS philadelphia (forbes 5 star restaurant)
- bellagio
- RC amelia island
- RC cancun
- RC grand cayman
- st regis punta mita
- winvian

too many 5 star >
France (not many "Palace" though)
Qualmark (NZ) (only 10 "Exclusive" though)
European Hotelstars Union
AA (UK) (at least on its way if not there already)
AAA (US - diamond not star)