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.
30,554 items
Sort by:
View Product: Shade & Shore Swimsuit Bottoms
Shade & Shore
Swimsuit Bottoms
Size XL
$14.99 $11.24 25% off with code THRIFT25
53% off estimated retailView Product: Rhode X Target Swimsuit Bottoms
Rhode X Target
Swimsuit Bottoms
Size Lg
$16.99 $12.74 25% off with code THRIFT25
32% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 3X Plus
$37.99 $28.49 25% off with code THRIFT25
15% off estimated retailView Product: Marina West One Piece Swimsuit
Marina West
One Piece Swimsuit
Size Med
$18.99 $14.24 25% off with code THRIFT25
34% off estimated retailView Product: Fashion Nova Swimsuit Cover Up
Fashion Nova
Swimsuit Cover Up
Size 1X Plus
$11.99 $8.99 25% off with code THRIFT25
36% off estimated retailView Product: Anne Cole Signature Swimsuit Top
Anne Cole Signature
Swimsuit Top
Size Med
$14.99 $11.24 25% off with code THRIFT25
53% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size Lg
$20.99 $15.74 25% off with code THRIFT25
44% off estimated retailView Product: Tropical Escape One Piece Swimsuit
Tropical Escape
One Piece Swimsuit
Size 14
$29.99 $22.49 25% off with code THRIFT25
47% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size Med
$13.99 $10.49 25% off with code THRIFT25
44% off estimated retailView Product: Frankies Bikinis Swimsuit Bottoms
Frankies Bikinis
Swimsuit Bottoms
Size Lg
$22.99 $17.24 25% off with code THRIFT25
69% off estimated retailView Product: Shade & Shore Swimsuit Bottoms
Shade & Shore
Swimsuit Bottoms
Size Med
$17.99 $13.49 25% off with code THRIFT25
43% off estimated retailView Product: Victoria's Secret Swimsuit Top
Victoria's Secret
Swimsuit Top
Size XS
$13.99 $10.49 25% off with code THRIFT25
56% off estimated retailView Product: Marina West One Piece Swimsuit
Marina West
One Piece Swimsuit
Size Med
$14.99 $11.24 25% off with code THRIFT25
48% off estimated retailView Product: Swimsuits for all Swimsuit Top
Swimsuits for all
Swimsuit Top
Size 24 Plus
$15.99 $11.99 25% off with code THRIFT25
57% off estimated retailView Product: Swimsuits for all Swimsuit Top
Swimsuits for all
Swimsuit Top
Size 20 Plus
$15.99 $11.99 25% off with code THRIFT25
57% off estimated retailView Product: Heat Swimwear One Piece Swimsuit
Heat Swimwear
One Piece Swimsuit
Size Lg
$21.99 $16.49 25% off with code THRIFT25
61% off estimated retailView Product: MICHAEL Michael Kors One Piece Swimsuit
MICHAEL Michael Kors
One Piece Swimsuit
Size 10
$46.99 $35.24 25% off with code THRIFT25
70% off estimated retailView Product: Speedo One Piece Swimsuit
Speedo
One Piece Swimsuit
Size 18 Plus
$41.99 $31.49 25% off with code THRIFT25
42% off estimated retailView Product: Victoria's Secret Swimsuit Top
Victoria's Secret
Swimsuit Top
Size Sm
$13.99 $10.49 25% off with code THRIFT25
56% off estimated retailView Product: BECCA® by Rebecca Virtue Two Piece Swimsuit
BECCA® by Rebecca Virtue
Two Piece Swimsuit
Size Med
$23.99 $17.99 25% off with code THRIFT25
74% off estimated retailView Product: Senita Athletics One Piece Swimsuit
Senita Athletics
One Piece Swimsuit
Size Lg
$14.99 $11.24 25% off with code THRIFT25
48% off estimated retailView Product: Swimsuits for all Swimsuit Bottoms
Swimsuits for all
Swimsuit Bottoms
Size 20 Plus
$14.99 $11.24 25% off with code THRIFT25
60% off estimated retailView Product: Nicole Miller Studio Swimsuit Top
Nicole Miller Studio
Swimsuit Top
Size Med
$23.99 $17.99 25% off with code THRIFT25
68% off estimated retailView Product: MICHAEL Michael Kors Swimsuit Top
MICHAEL Michael Kors
Swimsuit Top
Size Sm
$50.99 $38.24 25% off with code THRIFT25
43% off estimated retailView Product: Unbranded Swimsuit Bottoms
Unbranded
Swimsuit Bottoms
Size 2X Plus
$16.99 $12.74 25% off with code THRIFT25
32% off estimated retailView Product: Kate Spade New York Swimsuit Bottoms
Kate Spade New York
Swimsuit Bottoms
Size Sm
$22.99 $17.24 25% off with code THRIFT25
69% off estimated retailView Product: Swimsuits for all Swimsuit Top
Swimsuits for all
Swimsuit Top
Size 18 Plus
$14.99 $11.24 25% off with code THRIFT25
60% off estimated retailView Product: Shade & Shore Swimsuit Bottoms
Shade & Shore
Swimsuit Bottoms
Size Med
$16.99 $12.74 25% off with code THRIFT25
46% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 12
$22.99 $17.24 25% off with code THRIFT25
39% off estimated retailView Product: BECCA® by Rebecca Virtue Swimsuit Bottoms
BECCA® by Rebecca Virtue
Swimsuit Bottoms
Size Sm
$21.99 $16.49 25% off with code THRIFT25
65% off estimated retailView Product: MICHAEL Michael Kors Swimsuit Bottoms
MICHAEL Michael Kors
Swimsuit Bottoms
Size Med
$32.99 $24.74 25% off with code THRIFT25
50% off estimated retailView Product: Island Pearls One Piece Swimsuit
Island Pearls
One Piece Swimsuit
Size 18 Plus
$16.99 $12.74 25% off with code THRIFT25
39% off estimated retail