Skip to top navigationSkip to shopping bagSkip to main contentSkip to quick filtersSkip to product filtersSkip to footer links
Open and use a Navyist Rewards Credit Card & get an extra 30% off* your first purchase. Apply Now.Open and use a Navyist Rewards Credit Card & get an extra 30% off* your first purchase. Apply Now.
on logo lighton logo dark

Adult Swimsuits

145 items
Size Variant
to
145 items
One-Piece Swimsuit
One-Piece Swimsuit
$29.99
$10.97 - $14.99
Underwire One-Piece Swimsuit
Underwire One-Piece Swimsuit
$49.99
$15.47 - $24.99
Sleeveless Swim Dress
Sleeveless Swim Dress
$59.99
$18.47 - $23.99
Crochet One-Piece Swimsuit
Crochet One-Piece Swimsuit
$54.99
$19.97 - $23.97
Bandeau Swim Top
Bandeau Swim Top
$19.99
$9.99
Convertible Bikini Swim Top
Convertible Bikini Swim Top
$26.99
$8.47 - $9.97
Halter Bikini Swim Top
Halter Bikini Swim Top
$29.99
$14.97 - $14.99
High-Waisted Swim Skirt
High-Waisted Swim Skirt
$34.99
$12.97 - $17.49
Underwire Bikini Swim Top
Underwire Bikini Swim Top
$39.99
$9.97 - $19.97
Underwire Bikini Swim Top
Underwire Bikini Swim Top
$29.99
$14.47 - $14.97
Underwire Bikini Swim Top
Underwire Bikini Swim Top
$29.99
$7.96 - $7.97
Tie-Back One-Piece Swimsuit
Tie-Back One-Piece Swimsuit
$44.99
$13.97 - $17.99
Mid-Rise Bikini Swim Bottoms
Mid-Rise Bikini Swim Bottoms
$19.99
$3.97 - $9.97
String Bikini 2-Piece Swim Set
String Bikini 2-Piece Swim Set
$49.99
$17.47 - $24.97
Side-Tie Swim Dress
Side-Tie Swim Dress
$64.99
$19.97 - $31.99
One-Shoulder Cutout Swimsuit
One-Shoulder Cutout Swimsuit
$54.99
$16.97 - $19.97
One-Shoulder Bikini Swim Top
One-Shoulder Bikini Swim Top
$24.99
$12.47 - $12.49

ADULT SWIMSUITS

Discover the perfect adult swimsuit for your next beach getaway or poolside lounging at Old Navy. Our collection of adult swimsuits offers a wide range of styles, colors, and patterns to suit every taste and body type. Whether you're looking for a classic one-piece swimsuit or a trendy bikini, we have you covered.

Our adult swimsuits are designed with comfort and style in mind. Many of our swimsuits feature adjustable straps, cinched-tie details, and underwire support to provide a customized fit and enhance your natural curves. The high-quality materials used in our swimsuits ensure durability and long-lasting wear, so you can enjoy your swimwear season after season.