Shop Old Navy for the best in women's swimwear, from stylish one-piece swimsuits, sexy bikinis, sporty tankinis and a large selection of mix-and-match tops and bottoms. You'll make a deep impression seaside or poolside in sizzling womens swimwear styles now available in a variety of the season's hottest silhouettes. Suit yourself in the cool colors and playful prints of our mix-and-match tops and bottoms, including our latest underwire, bandeau, halter and string bikini tops and string, bikini and hipster bottoms. Our fully lined women's swimwear includes soft padding and smooth, quick-drying fabric with plenty of stretch, so you'll always be comfortable in and out of the water. You'll also find an expanded collection of beachwear to create a complete ensemble with our women's swimwear including swim cover-ups and accessories, from hoodies and shorts to flip-flops and beach towels.