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.
322 items
Sort by:
![Torrid Wireless Crewneck Sleeve Swimsuit Top (view 2)](https://cf-assets-thredup.thredup.com/assets/601923747/complimentary.jpg)
![Torrid Wireless Crewneck Sleeve Swimsuit Top (view 1)](https://cf-assets-thredup.thredup.com/assets/601923645/complimentary.jpg)
Torrid
Wireless Crewneck Sleeve Swimsuit Top
Size 1X Plus
$12.99 $7.14 45% off with code GOBIG
77% off estimated retail![Diva Collection Swimsuit Cover Up (view 2)](https://cf-assets-thredup.thredup.com/assets/602950318/complimentary.jpg)
![Diva Collection Swimsuit Cover Up (view 1)](https://cf-assets-thredup.thredup.com/assets/602950090/complimentary.jpg)
Diva Collection
Swimsuit Cover Up
Size 1X Plus
$21.99 $12.09 45% off with code GOBIG
42% off estimated retail![MATTE Collection One Piece Swimsuit (view 2)](https://cf-assets-thredup.thredup.com/assets/601430408/complimentary.jpg)
![MATTE Collection One Piece Swimsuit (view 1)](https://cf-assets-thredup.thredup.com/assets/601430205/complimentary.jpg)
MATTE Collection
One Piece Swimsuit
Size 1X Plus
$17.99 $9.89 45% off with code GOBIG
37% off estimated retail![Assorted Brands Swimsuit Cover Up (view 2)](https://cf-assets-thredup.thredup.com/assets/602709477/complimentary.jpg)
![Assorted Brands Swimsuit Cover Up (view 1)](https://cf-assets-thredup.thredup.com/assets/602709442/complimentary.jpg)
Assorted Brands
Swimsuit Cover Up
Size 1X Plus
$15.99 $8.79 45% off with code GOBIG
57% off estimated retail![Panache Swimwear Swimsuit Top (view 2)](https://cf-assets-thredup.thredup.com/assets/599828746/complimentary.jpg)
![Panache Swimwear Swimsuit Top (view 1)](https://cf-assets-thredup.thredup.com/assets/599828644/complimentary.jpg)
Panache Swimwear
Swimsuit Top
Size 1X Plus
$20.99 $11.54 45% off with code GOBIG
58% off estimated retail![Kenneth Cole REACTION Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/598940507/complimentary.jpg)
![Kenneth Cole REACTION Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/598940473/complimentary.jpg)
Kenneth Cole REACTION
Swimsuit Bottoms
Size 1X Plus
$20.99 $11.54 45% off with code GOBIG
68% off estimated retail![Calia by Carrie Underwood Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/595338288/complimentary.jpg)
![Calia by Carrie Underwood Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/595338163/complimentary.jpg)
Calia by Carrie Underwood
Swimsuit Bottoms
Size 1X Plus
$14.99 $8.24 45% off with code GOBIG
53% off estimated retail![Assorted Brands Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/593099731/complimentary.jpg)
![Assorted Brands Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/593099710/complimentary.jpg)
Assorted Brands
Swimsuit Bottoms
Size 1X Plus
$9.99 $5.49 45% off with code GOBIG
60% off estimated retail![Sea Angel One Piece Swimsuit (view 2)](https://cf-assets-thredup.thredup.com/assets/590358253/complimentary.jpg)
![Sea Angel One Piece Swimsuit (view 1)](https://cf-assets-thredup.thredup.com/assets/590358224/complimentary.jpg)
Sea Angel
One Piece Swimsuit
Size 1X Plus
$24.99 $13.74 45% off with code GOBIG
47% off estimated retail![Tabitha Brown for Target Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/589225215/complimentary.jpg)
![Tabitha Brown for Target Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/589225170/complimentary.jpg)
Tabitha Brown for Target
Swimsuit Bottoms
Size 1X Plus
$16.99 $9.34 45% off with code GOBIG
32% off estimated retail![Profile by Gottex Swimsuit Cover Up (view 2)](https://cf-assets-thredup.thredup.com/assets/586099574/complimentary.jpg)
![Profile by Gottex Swimsuit Cover Up (view 1)](https://cf-assets-thredup.thredup.com/assets/586099377/complimentary.jpg)
Profile by Gottex
Swimsuit Cover Up
Size 1X Plus
$37.99 $20.89 45% off with code GOBIG
71% off estimated retail![Peyton & Parker Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/585738143/complimentary.jpg)
![Peyton & Parker Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/585738127/complimentary.jpg)
Peyton & Parker
Swimsuit Bottoms
Size 1X Plus
$13.99 $7.69 45% off with code GOBIG
44% off estimated retail![Peyton & Parker Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/585763880/complimentary.jpg)
![Peyton & Parker Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/585763833/complimentary.jpg)
Peyton & Parker
Swimsuit Bottoms
Size 1X Plus
$13.99 $7.69 45% off with code GOBIG
44% off estimated retail![Assorted Brands Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/584036497/complimentary.jpg)
![Assorted Brands Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/584036389/complimentary.jpg)
Assorted Brands
Swimsuit Bottoms
Size 1X Plus
$14.99 $8.24 45% off with code GOBIG
40% off estimated retail![Cole of California Swimsuit Bottoms (view 2)](https://cf-assets-thredup.thredup.com/assets/581352153/complimentary.jpg)
![Cole of California Swimsuit Bottoms (view 1)](https://cf-assets-thredup.thredup.com/assets/581352152/complimentary.jpg)
Cole of California
Swimsuit Bottoms
Size 1X Plus
$14.99 $8.24 45% off with code GOBIG
40% off estimated retail![Faded Glory Swimsuit Cover Up (view 2)](https://cf-assets-thredup.thredup.com/assets/578531045/complimentary.jpg)
![Faded Glory Swimsuit Cover Up (view 1)](https://cf-assets-thredup.thredup.com/assets/578530894/complimentary.jpg)
Faded Glory
Swimsuit Cover Up
Size 1X Plus
$11.99 $6.59 45% off with code GOBIG
36% off estimated retail![Kenneth Cole REACTION Swimsuit Top (view 2)](https://cf-assets-thredup.thredup.com/assets/573342900/complimentary.jpg)
![Kenneth Cole REACTION Swimsuit Top (view 1)](https://cf-assets-thredup.thredup.com/assets/573342802/complimentary.jpg)
Kenneth Cole REACTION
Swimsuit Top
Size 1X Plus
$16.99 $9.34 45% off with code GOBIG
55% off estimated retail