Actually, they wanted a dream-holiday in the Pacific. But the bungalow complex turns out to be a esoteric therapy temple for the 4 couples. A crazed french guru there is trying to save ailing partnerships.
The following soundtracks are found in the movie Couples Retreat. The soundtracks here are not always in the same order as they appear in the film. If you are looking for a specific soundtrack, read the comments, there is often the exact spot mentioned in the film.