We had the penthouse ocean view suite at Esencia a few years ago, just after it opened (whole complex wasn't finished at the time). Liked it but we had some issues, albeit not much choice at that point, even the Orient Express place was still closed from hurricane damage.
Some (minimal) commentary in post 1 of this thread:
http://www.flyertalk.com/forum/briti...ay-mexico.html and my tripadvisor review here:
http://www.tripadvisor.com/ShowUserR...Peninsula.html - albeit much could have changed in 4 years.