Trending Categories
Trending Brands
Shop Women's Swimwear at up to 90% off estimated retail! thredUP has a huge selection of gently used women's swimwear. Find bikinis, one-pieces, board shorts and cover ups from brands like Seafolly, Aqua or Speedo at thredUP.
1,773 items
Sort by:
View Product: Swim by Cacique Swimsuit Top
Swim by Cacique
Swimsuit Top
Size 1X Plus
$21.99 $13.19 40% off with code THANKU
56% off estimated retailView Product: Lauren by Ralph Lauren One Piece Swimsuit
Lauren by Ralph Lauren
One Piece Swimsuit
Size 8
$26.99 $16.19 40% off with code THANKU
74% off estimated retailView Product: Roxanne Swimwear One Piece Swimsuit
Roxanne Swimwear
One Piece Swimsuit
Size XL
$34.99 $20.99 40% off with code THANKU
53% off estimated retailView Product: Swim by Cacique Swimsuit Top
Swim by Cacique
Swimsuit Top
Size 22 Plus
$24.99 $14.99 40% off with code THANKU
51% off estimated retailView Product: Bleu Rod Beattie One Piece Swimsuit
Bleu Rod Beattie
One Piece Swimsuit
Size 14
$35.99 $21.59 40% off with code THANKU
68% off estimated retailView Product: Solid & Striped Swimsuit Bottoms
Solid & Striped
Swimsuit Bottoms
Size Lg
$29.99 $17.99 40% off with code THANKU
73% off estimated retailView Product: Unique Vintage One Piece Swimsuit
Unique Vintage
One Piece Swimsuit
Size XXL
$23.99 $14.39 40% off with code THANKU
68% off estimated retailView Product: Vineyard Vines Swimsuit Cover Up
Vineyard Vines
Swimsuit Cover Up
Size Lg
$39.99 $23.99 40% off with code THANKU
70% off estimated retailView Product: Charlie Holiday. Swimsuit Cover Up
Charlie Holiday.
Swimsuit Cover Up
Size 10
$32.99 $19.79 40% off with code THANKU
71% off estimated retailView Product: Jets by Jessika Allen Swimsuit Bottoms
Jets by Jessika Allen
Swimsuit Bottoms
Size 8
$23.99 $14.39 40% off with code THANKU
73% off estimated retailView Product: Juicy Couture One Piece Swimsuit
Juicy Couture
One Piece Swimsuit
Size XL
$41.99 $25.19 40% off with code THANKU
73% off estimated retailView Product: Bleu Rod Beattie One Piece Swimsuit
Bleu Rod Beattie
One Piece Swimsuit
Size 12
$34.99 $20.99 40% off with code THANKU
69% off estimated retailView Product: Profile by Gottex Swimsuit Top
Profile by Gottex
Swimsuit Top
Size 32 Plus
$26.99 $16.19 40% off with code THANKU
69% off estimated retailView Product: Bleu Rod Beattie One Piece Swimsuit
Bleu Rod Beattie
One Piece Swimsuit
Size 10
$32.99 $19.79 40% off with code THANKU
71% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 14
$17.99 $10.79 40% off with code THANKU
52% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 16
$19.99 $11.99 40% off with code THANKU
47% off estimated retailView Product: Swim by Cacique Swimsuit Top
Swim by Cacique
Swimsuit Top
Size 22 Plus
$28.99 $17.39 40% off with code THANKU
43% off estimated retailView Product: Lands' End One Piece Swimsuit
Lands' End
One Piece Swimsuit
Size 24 Plus
$25.99 $15.59 40% off with code THANKU
72% off estimated retailView Product: Lauren by Ralph Lauren Swimsuit Top
Lauren by Ralph Lauren
Swimsuit Top
Size 8
$20.99 $12.59 40% off with code THANKU
70% off estimated retailView Product: Maxine of Hollywood Swimsuit Cover Up
Maxine of Hollywood
Swimsuit Cover Up
Size 16
$28.99 $17.39 40% off with code THANKU
61% off estimated retailView Product: MICHAEL Michael Kors Swimsuit Bottoms
MICHAEL Michael Kors
Swimsuit Bottoms
Size Med
$22.99 $13.79 40% off with code THANKU
65% off estimated retailView Product: Assorted Brands Swimsuit Top
Assorted Brands
Swimsuit Top
Size 18 Plus
$18.99 $11.39 40% off with code THANKU
24% off estimated retail