Contrast is always a big hit, this year it's black&white
Another trend is unusual architectural work, a.k.a. the one shoulder, monokini's, cut-outs, etc.:
Knit is another trend, whether it be crochet, eyelet, etc. it's in this summer:
Wild prints, mix&match prints and nautical themed prints are also in this season if your looking for something more out of the ordinary:
These pictures are all thanks to Harper's Bazaar website and their 2012 swimwear articles.
Some of my favorite styles for bathing suits this year are the push-up, ruffles, and white:
