Let us be the first to tell you this: Amazon is the mecca for affordable swimwear. **t only do most options dip under $100, but they come in eye-catching prints, colors, and new styles. So, we did what we do best and researched 15 of the best bikinis and one-pieces to shop right **w. They're all offered under the Amazon Prime deal, which means you can receive your new swimsuit in less than three days (an ideal option for your last-minute Memorial Day plans). You probably weren't expecting it, but your new Summer bikini will come straight From Amazon.