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.

40 items·
Sort by:
Newest FirstChevronNavigation chevron icon
Catalina Size 2X Plus
View Product: Catalina Size 2X Plus

Catalina

Size 2X Plus
$13.99 $18
Unbranded Size 2X Plus
View Product: Unbranded Size 2X Plus

Unbranded

Size 2X Plus
$21.99 $24
Swimsuits for all Size 22 Plus
New with tags
View Product: Swimsuits for all Size 22 Plus

Swimsuits for all

Size 22 Plus
$22.99 $54
Croft & Barrow Size 20 Plus
View Product: Croft & Barrow Size 20 Plus

Croft & Barrow

Size 20 Plus
$8.99 $18
Cacique Size 22 Plus
New with tags
View Product: Cacique Size 22 Plus

Cacique

Size 22 Plus
$42.99 $49.95
Catherines Size 2X Plus
View Product: Catherines Size 2X Plus

Catherines

Size 2X Plus
$16.99 $45
Catalina Size 2X Plus
View Product: Catalina Size 2X Plus

Catalina

Size 2X Plus
$9.99 $12
Shein Size 2X Plus
View Product: Shein Size 2X Plus

Shein

Size 2X Plus
$8.99 $15
Unbranded Size 2X Plus
View Product: Unbranded Size 2X Plus

Unbranded

Size 2X Plus
$15.99 $36
Assorted Brands Size 22 Plus
View Product: Assorted Brands Size 22 Plus

Assorted Brands

Size 22 Plus
$11.99 $24
Assorted Brands Size 22 Plus
View Product: Assorted Brands Size 22 Plus

Assorted Brands

Size 22 Plus
$18.99 $24
SWIM 365 Size 22 Plus
View Product: SWIM 365 Size 22 Plus

SWIM 365

Size 22 Plus
$9.99 $12
SWIM 365 Size 22 Plus
View Product: SWIM 365 Size 22 Plus

SWIM 365

Size 22 Plus
$7.99 $12
SWIM 365 Size 22 Plus
View Product: SWIM 365 Size 22 Plus

SWIM 365

Size 22 Plus
$9.99 $12
Cherokee Size 2X Plus
View Product: Cherokee Size 2X Plus

Cherokee

Size 2X Plus
$8.99 $18
Assorted Brands Size 22 Plus
View Product: Assorted Brands Size 22 Plus

Assorted Brands

Size 22 Plus
$15.99 $24
Assorted Brands Size 22 Plus
View Product: Assorted Brands Size 22 Plus

Assorted Brands

Size 22 Plus
$11.99 $24
Swimsuits for all Size 20 Plus
New with tags
View Product: Swimsuits for all Size 20 Plus

Swimsuits for all

Size 20 Plus
$22.99 $54
Catalina Size 2X Plus
View Product: Catalina Size 2X Plus

Catalina

Size 2X Plus
$10.99 $12
Bobbie Brooks Size 2X Plus
View Product: Bobbie Brooks Size 2X Plus

Bobbie Brooks

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

Boohoo Boutique

Size 20 Plus
$26.99 $45

$21.59 20% off with

Inches Off Swimwear by Figure Magic Size 22 Plus
New with tags
View Product: Inches Off Swimwear by Figure Magic Size 22 Plus

Inches Off Swimwear by Figure Magic

Size 22 Plus
$15.99 $36

$12.79 20% off with

Rue Blue Size 2X Plus
View Product: Rue Blue Size 2X Plus

Rue Blue

Size 2X Plus
$56.99 $71

$45.59 20% off with

Raya Sun Size 2X Plus
View Product: Raya Sun Size 2X Plus

Raya Sun

Size 2X Plus
$10.99 $22

$8.79 20% off with

Maui Rippers Size 2X Plus
View Product: Maui Rippers Size 2X Plus

Maui Rippers

Size 2X Plus
$19.99 $36

$15.99 20% off with

Swimsuits for all Size 22 Plus
View Product: Swimsuits for all Size 22 Plus

Swimsuits for all

Size 22 Plus
$16.99 $36

$13.59 20% off with

Swimsuits for all Size 20 Plus
View Product: Swimsuits for all Size 20 Plus

Swimsuits for all

Size 20 Plus
$10.99 $36

$8.79 20% off with

Old Navy Size 2X Plus
View Product: Old Navy Size 2X Plus

Old Navy

Size 2X Plus
$26.99 $45

$21.59 20% off with

d/C Jeans Size 2X Plus
View Product: d/C Jeans Size 2X Plus

d/C Jeans

Size 2X Plus
$18.99 $36

$15.19 20% off with

Longitude Size 22 Plus
View Product: Longitude Size 22 Plus

Longitude

Size 22 Plus
$58.99 $71

$47.19 20% off with

Secret Treasures Size 2X Plus
View Product: Secret Treasures Size 2X Plus

Secret Treasures

Size 2X Plus
$8.99 $18

$7.19 20% off with

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

Catalina

Size 2X Plus
$13.99 $18
Cupshe Size 2X Plus
New with tags
View Product: Cupshe Size 2X Plus

Cupshe

Size 2X Plus
$24.99 $27

$19.99 20% off with

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

BECCA® by Rebecca Virtue

Size 2X Plus
$21.99 $89

$17.59 20% off with

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

Lands' End

Size 22 Plus
$14.99 $48
City Streets Size 2X Plus
New with tags
View Product: City Streets Size 2X Plus

City Streets

Size 2X Plus
$9.99 $12

$7.99 20% off with

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

Leith

Size 2X Plus
$72.99 $89

$58.39 20% off with

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

BECCA® by Rebecca Virtue

Size 2X Plus
$42.99 $60

$30.09 30% off with

Rosegal Size 2X Plus
Price Drop
View Product: Rosegal Size 2X Plus

Rosegal

Size 2X Plus
$11.99 $24

$8.39 30% off with