Women’s Swimwear

ChevronNavigation chevron icon

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.

37 items·
Sort by:
Newest FirstChevronNavigation chevron icon
Torrid Size 2X Plus
View Product: Torrid Size 2X Plus

Torrid

Size 2X Plus
$16.99 $30
Assorted Brands Size 22 Plus
New with tags
View Product: Assorted Brands Size 22 Plus

Assorted Brands

Size 22 Plus
$26.99 $36
Swimsuits for all Size 22 Plus
View Product: Swimsuits for all Size 22 Plus

Swimsuits for all

Size 22 Plus
$42.99 $54
Beach House Size 20 Plus
View Product: Beach House Size 20 Plus

Beach House

Size 20 Plus
$18.99 $48
White Stag Size 2X Plus
View Product: White Stag Size 2X Plus

White Stag

Size 2X Plus
$11.99 $18
Unbranded Size 20 Plus
View Product: Unbranded Size 20 Plus

Unbranded

Size 20 Plus
$15.99 $24
Cocoship Size 2X Plus
View Product: Cocoship Size 2X Plus

Cocoship

Size 2X Plus
$14.99 $27
Catalina Size 2X Plus
View Product: Catalina Size 2X Plus

Catalina

Size 2X Plus
$11.99 $18
Cacique Size 20 Plus
New with tags
View Product: Cacique Size 20 Plus

Cacique

Size 20 Plus
$31.99 $54.95
Catalina Size 2X Plus
View Product: Catalina Size 2X Plus

Catalina

Size 2X Plus
$7.99 $12
Miraclesuit Size 20 Plus
New with tags
View Product: Miraclesuit Size 20 Plus

Miraclesuit

Size 20 Plus
$139.99 $176
TYR Size 28 Plus
New with tags
View Product: TYR Size 28 Plus

TYR

Size 28 Plus
$24.99 $49.99
Lands' End Size 22 Plus
View Product: Lands' End Size 22 Plus

Lands' End

Size 22 Plus
$18.99 $48

$15.19 20% off with

Adore Me Size 2X Plus
New with tags
View Product: Adore Me Size 2X Plus

Adore Me

Size 2X Plus
$25.99 $45

$20.79 20% off with

Mazu Swim Size 20 Plus
View Product: Mazu Swim Size 20 Plus

Mazu Swim

Size 20 Plus
$18.99 $48

$15.19 20% off with

coastal blue Size 2X Plus
New with tags
View Product: coastal blue Size 2X Plus

coastal blue

Size 2X Plus
$20.99 $48
BECCA® by Rebecca Virtue Size 2X Plus
View Product: BECCA® by Rebecca Virtue Size 2X Plus

BECCA® by Rebecca Virtue

Size 2X Plus
$46.99 $60

$37.59 20% off with

Swimsuits for all Size 20 Plus
New with tags
View Product: Swimsuits for all Size 20 Plus

Swimsuits for all

Size 20 Plus
$13.99 $36

$11.19 20% off with

Lands' End Size 22 Plus
View Product: Lands' End Size 22 Plus

Lands' End

Size 22 Plus
$19.99 $48
Leith Size 2X Plus
New with tags
View Product: Leith Size 2X Plus

Leith

Size 2X Plus
$69.99 $89

$55.99 20% off with

Avenue Size 22 Plus
View Product: Avenue Size 22 Plus

Avenue

Size 22 Plus
$15.99 $30

$12.79 20% off with

Beach House Size 22 Plus
New with tags
View Product: Beach House Size 22 Plus

Beach House

Size 22 Plus
$21.99 $50

$17.59 20% off with

Anne Cole Collection Size 20 Plus
View Product: Anne Cole Collection Size 20 Plus

Anne Cole Collection

Size 20 Plus
$59.99 $78

$47.99 20% off with

Collections By Catalina Size 2X Plus
View Product: Collections By Catalina Size 2X Plus

Collections By Catalina

Size 2X Plus
$15.99 $24

$12.79 20% off with

Becca by Rebecca Virtue Size 20 Plus
View Product: Becca by Rebecca Virtue Size 20 Plus

Becca by Rebecca Virtue

Size 20 Plus
$13.99 $30
Kim Rogers Size 20 Plus
New with tags
View Product: Kim Rogers Size 20 Plus

Kim Rogers

Size 20 Plus
$41.99 $64

$33.59 20% off with

Liz Claiborne Plus Size 20 Plus
New with tags
View Product: Liz Claiborne Plus Size 20 Plus

Liz Claiborne Plus

Size 20 Plus
$41.99 $54

$33.59 20% off with

Assorted Brands Size 20 Plus
View Product: Assorted Brands Size 20 Plus

Assorted Brands

Size 20 Plus
$12.99 $24

$10.39 20% off with

Chelsea28 Size 28 Plus
New with tags
View Product: Chelsea28 Size 28 Plus

Chelsea28

Size 28 Plus
$19.99 $45

$15.99 20% off with

Ava & Viv Size 22 Plus
View Product: Ava & Viv Size 22 Plus

Ava & Viv

Size 22 Plus
$24.99 $28

$19.99 20% off with

Assorted Brands Size 20 Plus
View Product: Assorted Brands Size 20 Plus

Assorted Brands

Size 20 Plus
$12.99 $24

$10.39 20% off with

Adidas Size 2X Plus
View Product: Adidas Size 2X Plus

Adidas

Size 2X Plus
$9.99 $48

$7.99 20% off with

Croft & Barrow Plus Size 22 Plus
View Product: Croft & Barrow Plus Size 22 Plus

Croft & Barrow Plus

Size 22 Plus
$48.99 $85

$39.19 20% off with

Dotti Size 2X Plus
New with tags
View Product: Dotti Size 2X Plus

Dotti

Size 2X Plus
$33.99 $60
Rosegal Size 2X Plus
View Product: Rosegal Size 2X Plus

Rosegal

Size 2X Plus
$12.99 $24

$9.09 30% off with

Arizona Lovenza Sanopla Size 2X Plus
View Product: Arizona Lovenza Sanopla Size 2X Plus

Arizona Lovenza Sanopla

Size 2X Plus
$12.99 $48