Couture Candy has a huge collection of swimsuits in a variety of styles. They also have a neat feature that lets you see the suits from all angles - very useful when you can't try it on! Here's a few of our faves:
Sophia in aqua by Kushcush
Reversible bandeau bikini by Marysia Reeves
Goldie Cover up by Brette Sandler
Although you may only remember Delia's from middle school, this catalog/online store actually carries a great selection of inexpensive suits in a variety of fits. We especially like their selection of longer torso styled one-pieces and their bright, fun patterns.
Retro dot bikini with boy shorts
Heart Cinched Bandeau One-Piece
A great place to find simple suits in mix-and-match styles is J.Crew. With bright, fun colors, and tops ranging from demis to halters to bandeau, J.Crew is the perfect place to find the ideal bikini for your body type.
They also have some really pretty patterned pieces as well, like this Florentine print one-piece.