Discover comfortable, colorful maternity swimwear at Old Navy. Our Old Navy maternity swimwear comes in a variety of colors and styles featuring tankini tops and bikini bottoms to grow with your figure throughout your pregnancy. And, our maternity swimwear can be mixed and matched to create the suit that's right for you. Don't let being pregnant stop you from enjoying a day in the sun, enjoy the water in the perfect swimsuit to flatter your growing belly from Old Navy.