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.
12,248 items
Sort by:
![Balance Collection Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/610976122/complimentary.jpg)
![Balance Collection Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/610976152/complimentary.jpg)
Balance Collection
Swimsuit Bottoms
Size Med
$13.99 $7.69 45% off with code GOBIG
71% off estimated retail![Kenneth Cole REACTION Swimsuit Top (view 2)](https://cf-assets-thredup.thredup.com/assets/610993000/complimentary.jpg)
![Kenneth Cole REACTION Swimsuit Top (view 1)](https://cf-assets-thredup.thredup.com/assets/610992922/complimentary.jpg)
Kenneth Cole REACTION
Swimsuit Top
Size Med
$18.99 $10.44 45% off with code GOBIG
60% off estimated retail![ViX by Paula Hermanny Swimsuit Top (view 2)](https://cf-assets-thredup.thredup.com/assets/610974914/complimentary.jpg)
![ViX by Paula Hermanny Swimsuit Top (view 1)](https://cf-assets-thredup.thredup.com/assets/610974861/complimentary.jpg)
ViX by Paula Hermanny
Swimsuit Top
Size Med
$49.99 $27.49 45% off with code GOBIG
68% off estimated retail![Victoria's Secret Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/610412660/complimentary.jpg)
![Victoria's Secret Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/610412645/complimentary.jpg)
Victoria's Secret
Swimsuit Bottoms
Size Med
$13.99 $7.69 45% off with code GOBIG
65% off estimated retail![Solid & Striped One Piece Swimsuit (view 2)](https://cf-assets-thredup.thredup.com/assets/610366129/complimentary.jpg)
![Solid & Striped One Piece Swimsuit (view 1)](https://cf-assets-thredup.thredup.com/assets/610366095/complimentary.jpg)
Solid & Striped
One Piece Swimsuit
Size Med
$49.99 $27.49 45% off with code GOBIG
78% off estimated retail![Solid & Striped One Piece Swimsuit (view 2)](https://cf-assets-thredup.thredup.com/assets/611209788/complimentary.jpg)
![Solid & Striped One Piece Swimsuit (view 1)](https://cf-assets-thredup.thredup.com/assets/611209838/complimentary.jpg)
Solid & Striped
One Piece Swimsuit
Size Med
$46.99 $25.84 45% off with code GOBIG
72% off estimated retail![Victoria's Secret Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/611194883/complimentary.jpg)
![Victoria's Secret Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/611194895/complimentary.jpg)
Victoria's Secret
Swimsuit Bottoms
Size Med
$17.99 $9.89 45% off with code GOBIG
56% off estimated retail![Lauren by Ralph Lauren Swimsuit Cover Up (view 2)](https://cf-assets-thredup.thredup.com/assets/610420950/complimentary.jpg)
![Lauren by Ralph Lauren Swimsuit Cover Up (view 1)](https://cf-assets-thredup.thredup.com/assets/610420899/complimentary.jpg)
Lauren by Ralph Lauren
Swimsuit Cover Up
Size Med
$33.99 $18.69 45% off with code GOBIG
72% off estimated retail![Blooming Jelly One Piece Swimsuit (view 2)](https://cf-assets-thredup.thredup.com/assets/610809080/complimentary.jpg)
![Blooming Jelly One Piece Swimsuit (view 1)](https://cf-assets-thredup.thredup.com/assets/610809042/complimentary.jpg)
Blooming Jelly
One Piece Swimsuit
Size Med
$14.99 $8.24 45% off with code GOBIG
60% off estimated retail![Victoria's Secret Pink Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/610757696/complimentary.jpg)
![Victoria's Secret Pink Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/610757662/complimentary.jpg)
Victoria's Secret Pink
Swimsuit Bottoms
Size Med
$19.99 $10.99 45% off with code GOBIG
36% off estimated retail![Jessica Simpson Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/610658186/complimentary.jpg)
![Jessica Simpson Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/610658101/complimentary.jpg)
Jessica Simpson
Swimsuit Bottoms
Size Med
$27.99 $15.39 45% off with code GOBIG
56% off estimated retail