forgot about this. since you will be there, you could always see if these rooms/upgrades are available and if they qualify for goldsmith upgrades. if they are/do, you could then sign up for goldsmith and book. >
http://www.flyertalk.com/forum/12370023-post502.html (not sure rates are still the same.)
also if setai hotel rates are ridiculous, you could check for private rental.
w south beach and z ocean south beach also have suites with rooftop plunge pools / jacuzzis.