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.

665 items·
Old Navy Size 3X Plus
New With Tags BadgeNew With Tags
View Product: Old Navy Size 3X Plus

Old Navy

Size 3X Plus
$14.99 $25
Esther Williams Size 26 Plus
View Product: Esther Williams Size 26 Plus

Esther Williams

Size 26 Plus
$22.99 $71
Kanu Surf Size 3X Plus
View Product: Kanu Surf Size 3X Plus

Kanu Surf

Size 3X Plus
$19.99 $36
Fit 4 U Size 26 Plus
View Product: Fit 4 U Size 26 Plus

Fit 4 U

Size 26 Plus
$14.99 $36
It Figures! Size 26 Plus
View Product: It Figures! Size 26 Plus

It Figures!

Size 26 Plus
$21.99 $36
St. Tropez West Size 26 Plus
View Product: St. Tropez West Size 26 Plus

St. Tropez West

Size 26 Plus
$11.99 $30
Unbranded Swimsuit Cover Up
View Product: Unbranded Swimsuit Cover Up

Unbranded

Swimsuit Cover Up
$13.99 $36
Ava & Viv Size 24 Plus
View Product: Ava & Viv Size 24 Plus

Ava & Viv

Size 24 Plus
$13.99 $23
Croft & Barrow Plus Size 26 Plus
View Product: Croft & Barrow Plus Size 26 Plus

Croft & Barrow Plus

Size 26 Plus
$17.99 $40
Ava & Viv Size 24 Plus
View Product: Ava & Viv Size 24 Plus

Ava & Viv

Size 24 Plus
$13.99 $28
Tara Grinna Swimsuit Cover Up
New With Tags BadgeNew With Tags
View Product: Tara Grinna Swimsuit Cover Up

Tara Grinna

Swimsuit Cover Up
$17.99 $71
Assorted Brands Swimsuit Cover Up
New With Tags BadgeNew With Tags
View Product: Assorted Brands Swimsuit Cover Up

Assorted Brands

Swimsuit Cover Up
$13.99 $36
Swim Sexy Size 24 Plus
View Product: Swim Sexy Size 24 Plus

Swim Sexy

Size 24 Plus
$15.99 $36
Torrid Size 3X Plus
View Product: Torrid Size 3X Plus

Torrid

Size 3X Plus
$12.99 $30
Shein Size 3X Plus
View Product: Shein Size 3X Plus

Shein

Size 3X Plus
$13.99 $22
Pure Energy Size 24 Plus
View Product: Pure Energy Size 24 Plus

Pure Energy

Size 24 Plus
$12.99 $18
Assorted Brands Swimsuit Cover Up
View Product: Assorted Brands Swimsuit Cover Up

Assorted Brands

Swimsuit Cover Up
$15.99 $36
tini bikini Size 3X Plus
View Product: tini bikini Size 3X Plus

tini bikini

Size 3X Plus
$12.99 $30
tini bikini Size 3X Plus
View Product: tini bikini Size 3X Plus

tini bikini

Size 3X Plus
$12.99 $30
6th & Lane Size 24 Plus
View Product: 6th & Lane Size 24 Plus

6th & Lane

Size 24 Plus
$19.99 $60
Adidas Size 0
View Product: Adidas Size 0

Adidas

Size 0
$27.99 $48
Joe Boxer Size 3X Plus
View Product: Joe Boxer Size 3X Plus

Joe Boxer

Size 3X Plus
$9.99 $18
Joe Boxer Size 3X Plus
View Product: Joe Boxer Size 3X Plus

Joe Boxer

Size 3X Plus
$9.99 $18
Swim by Cacique Size 26 Plus
View Product: Swim by Cacique Size 26 Plus

Swim by Cacique

Size 26 Plus
$25.99 $71
No Boundaries Size 3X Plus
View Product: No Boundaries Size 3X Plus

No Boundaries

Size 3X Plus
$8.99 $12
Nextmia Size 24 Plus
View Product: Nextmia Size 24 Plus

Nextmia

Size 24 Plus
$15.99 $27
Free Country Size 3X Plus
View Product: Free Country Size 3X Plus

Free Country

Size 3X Plus
$13.99 $24
Ava & Viv Size 24 Plus
View Product: Ava & Viv Size 24 Plus

Ava & Viv

Size 24 Plus
$26.99 $40
J.Crew Size 0
Rare Find BadgeRare Find
View Product: J.Crew Size 0

J.Crew

Size 0
$38.99 $110
J.Crew Size 0
Rare Find BadgeRare Find
View Product: J.Crew Size 0

J.Crew

Size 0
$77.99 $110
H&M Size 0
View Product: H&M Size 0

H&M

Size 0
$11.99 $13
India Boutique Swimsuit Cover Up
View Product: India Boutique Swimsuit Cover Up

India Boutique

Swimsuit Cover Up
$9.99 $18
India Boutique Swimsuit Cover Up
View Product: India Boutique Swimsuit Cover Up

India Boutique

Swimsuit Cover Up
$9.99 $18
Miken Swim Size 3X Plus
View Product: Miken Swim Size 3X Plus

Miken Swim

Size 3X Plus
$17.99 $36
Lost River Size 0
New With Tags BadgeNew With Tags
View Product: Lost River Size 0

Lost River

Size 0
$17.99 $29.95
J.Crew Size 0
New With Tags BadgeNew With Tags
View Product: J.Crew Size 0

J.Crew

Size 0
$35.99 $110
Old Navy Size 3X Plus
View Product: Old Navy Size 3X Plus

Old Navy

Size 3X Plus
$15.99 $20
Forever 21 Swimsuit Cover Up
View Product: Forever 21 Swimsuit Cover Up

Forever 21

Swimsuit Cover Up
$14.99 $23
B Swim Swimsuit Top
View Product: B Swim Swimsuit Top

B Swim

Swimsuit Top
$10.99 $36
Assorted Brands Swimsuit Cover Up
View Product: Assorted Brands Swimsuit Cover Up

Assorted Brands

Swimsuit Cover Up
$15.99 $36
Anne Cole Size 24 Plus
View Product: Anne Cole Size 24 Plus

Anne Cole

Size 24 Plus
$20.99 $48
Unbranded Swimsuit Cover Up
View Product: Unbranded Swimsuit Cover Up

Unbranded

Swimsuit Cover Up
$13.99 $36
Onzie Swimsuit Bottoms
View Product: Onzie Swimsuit Bottoms

Onzie

Swimsuit Bottoms
$11.99 $36
Onzie Swimsuit Bottoms
View Product: Onzie Swimsuit Bottoms

Onzie

Swimsuit Bottoms
$10.99 $36
Cover Style Swimsuit Bottoms
View Product: Cover Style Swimsuit Bottoms

Cover Style

Swimsuit Bottoms
$8.99 $12
Assorted Brands Swimsuit Cover Up
View Product: Assorted Brands Swimsuit Cover Up

Assorted Brands

Swimsuit Cover Up
$15.99 $36
Pretty Woman Swimsuit Cover Up
View Product: Pretty Woman Swimsuit Cover Up

Pretty Woman

Swimsuit Cover Up
$20.99 $71
Calvin Klein Swimsuit Cover Up
View Product: Calvin Klein Swimsuit Cover Up

Calvin Klein

Swimsuit Cover Up
$24.99 $78
Unbranded Swimsuit Cover Up
View Product: Unbranded Swimsuit Cover Up

Unbranded

Swimsuit Cover Up
$13.99 $36
Atlantis Swimsuit Cover Up
New With Tags BadgeNew With Tags
View Product: Atlantis Swimsuit Cover Up

Atlantis

Swimsuit Cover Up
$30.99 $120