You can create a playful, abstract look and use your creations to express how you're feeling on that particular beach day. It's a good idea to have a black bikini in your collection because the pieces can be paired with most any other piece. 

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You can buy mix-and-match bikinis from stores that sell tops and bottoms separately, such as: 

• Victoria's Secret – Victoria's Secret offers six top styles (from halters to triangles) and four bottom styles (from hipkinis to double strings) in a variety of prints and colors. You can create a look that suits your taste using their online bikini mixer.
• Venus – Venus divides its mix-and-match bikini section into seven kinds of tops and two kinds of bottoms so that women can find a style that conforms to their body type. Their styles are gorgeous and all feature a sexy flair.