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.
49,673 items
Sort by:
Anne Cole Collection
One Piece Swimsuit
Size 18 Plus
$57.99 $31.89 45% off with code GOBIG
53% off estimated retail
Lauren by Ralph Lauren
One Piece Swimsuit
Size 14
$52.99 $29.14 45% off with code GOBIG
63% off estimated retail
Victoria's Secret
Swimsuit Bottoms
Size Med
$11.99 $6.59 45% off with code GOBIG
68% off estimated retail
Swimsuits for all
Board Shorts
Size 30 Plus
$24.99 $13.74 45% off with code GOBIG
52% off estimated retail
Assorted Brands
Swimsuit Top
Size 1X Plus
$18.99 $10.44 45% off with code GOBIG
40% off estimated retail
Stoney Clover Lane x Target
Swimsuit Top
Size Med
$14.99 $8.24 45% off with code GOBIG
35% off estimated retail
Victoria's Secret
Swimsuit Bottoms
Size Lg
$11.99 $6.59 45% off with code GOBIG
62% off estimated retail
Jessica Simpson
One Piece Swimsuit
Size Med
$29.99 $16.49 45% off with code GOBIG
60% off estimated retail
For Love & Lemons
One Piece Swimsuit
Size Sm
$59.99 $32.99 45% off with code GOBIG
65% off estimated retail
Swim by Cacique
Swimsuit Top
Size 1X Plus
$28.99 $15.94 45% off with code GOBIG
56% off estimated retail
Victoria's Secret
One Piece Swimsuit
Size XXL
$37.99 $20.89 45% off with code GOBIG
61% off estimated retail
Assorted Brands
One Piece Swimsuit
Size XS
$23.99 $13.19 45% off with code GOBIG
36% off estimated retail
Converse One Star
Swimsuit Bottoms
Size Med
$16.99 $9.34 45% off with code GOBIG
36% off estimated retail
Lands' End
One Piece Swimsuit
Size 18 Plus
$29.99 $16.49 45% off with code GOBIG
68% off estimated retail
Swim by Cacique
Swimsuit Top
Size 24 Plus
$42.99 $23.64 45% off with code GOBIG
56% off estimated retail
