If you're a frugal shopper, this Liz Claiborne Swimsuit will fit the bill. It's a great choice, while not very pricey. In this price range, you can also look at this Robby Len Swimsuit. It's an item you'll fall in love with which also doesn't cost a fortune. You may also want to look at this Speedo Swimsuit. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for something in between pricewise, why not opt for this jcpenney Swimsuit. While the price is very reasonable, this product is an easy wardrobe update.