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

144 items
Size Variant
144 items
  • Price: Low-High
  • Price: High-Low
One-Piece Swimsuit
One-Piece Swimsuit
$$29.99
$$10.97 - $$17.99
Cutout One-Piece Swimsuit
Underwire One-Piece Swimsuit
Underwire One-Piece Swimsuit
$$49.99
$$17.97 - $$24.99
Half Zip One-Piece Swimsuit
Sleeveless Swim Dress
Sleeveless Swim Dress
$$59.99
$$21.47 - $$32.00
Crochet One-Piece Swimsuit
Bandeau Swim Top
Bandeau Swim Top
$$19.99
$$12.99
Convertible Bikini Swim Top
Convertible Bikini Swim Top
$$26.99
$$9.97 - $$13.49
Halter Bikini Swim Top
Halter Bikini Swim Top
$$29.99
$$14.97 - $$17.99
High-Waisted Swim Skirt
High-Waisted Swim Skirt
$$34.99
$$12.97 - $$20.99
One-Shoulder Swimsuit
One-Shoulder Swimsuit
$$54.99
$$34.99
String Bikini Swim Top
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 - $$7.97
Underwire Bikini Swim Top
Bandeau Scallop-Trim One-Piece Swimsuit for Girls
Tie-Back One-Piece Swimsuit
Tie-Back One-Piece Swimsuit
$$44.99
$$16.47 - $$21.99
Licensed Pop Culture Swim Trunks for Boys
Side Cutout One-Piece Swimsuit
Ruffled Bikini Swim Top
Mid-Rise Bikini Swim Bottoms
Mid-Rise Bikini Swim Bottoms
$$19.99
$$3.97 - $$9.97
High-Waisted Sarong Swim Skirt
High-Waisted Bikini Swim Bottoms
High-Waisted Bikini Swim Bottoms
High-Waisted Bikini Swim Bottoms
High-Waisted Bikini Swim Bottoms
$$19.99
$$4.96 - $$5.47
High-Waisted Bikini Swim Bottoms
String Bikini 2-Piece Swim Set
String Bikini 2-Piece Swim Set
$$49.99
$$17.47 - $$24.97
Maternity Halter Swim Dress
Maternity Halter Swim Dress
Zip-Front Bikini Swim Top
Side-Tie Swim Dress
Side-Tie Swim Dress
$$64.99
$$23.47 - $$40.00
One-Shoulder Cutout Swimsuit
Classic Plunge Triangle Bikini Swim Top
One-Shoulder Bikini Swim Top
One-Shoulder Bikini Swim Top
$$22.99 - $$24.99
$$11.47 - $$14.99
Twist-Front Swim Dress

Similar Categories

Pool Swimsuits
Fashion Swimsuits
Kids Swimwear
Aquatic Swimsuits
Swimwear
Printed Swimwear
Baby Swimsuits
Printed Swimsuits
Adult Beachwear
Swimming Costume

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.