thredUP LogothredUP | An Online Consignment & Thrift StorethredUP
Magnifying glassMagnifying glass icon
My thredUPMy thredUP Icon
0
CartLink to your thredUP cart
Check out

Maternity Swimwear

ChevronNavigation chevron icon

There's no need to opt for unfitted and outdated clothing and swimwear when you're expecting. Purchase like-new maternity swimwear from thredUP for as much as 90% off estimated retail.

60 items
Bump Couture Size Sm Maternity
Bump Couture Size Sm Maternity

View Product: Bump Couture Size Sm Maternity

Bump Couture

Size Sm Maternity
$17.99 $36

$12.59 30% off with

Maternal America Size Med Maternity
Maternal America Size Med Maternity
Price Drop BadgePrice Drop

View Product: Maternal America Size Med Maternity

Maternal America

Size Med Maternity
$12.99 $48

$6.49 50% off with

A Pea in the Pod Size Sm Maternity
A Pea in the Pod Size Sm Maternity
Price Drop BadgePrice Drop

View Product: A Pea in the Pod Size Sm Maternity

A Pea in the Pod

Size Sm Maternity
$8.99 $60

$6.29 30% off with

Old Navy Size Med Maternity
Old Navy Size Med Maternity

View Product: Old Navy Size Med Maternity

Old Navy

Size Med Maternity
$19.99 $45

$13.99 30% off with

Liz Lange Maternity for Target Size Lg Maternity
Liz Lange Maternity for Target Size Lg Maternity

View Product: Liz Lange Maternity for Target Size Lg Maternity

Liz Lange Maternity for Target

Size Lg Maternity
$17.99 $36

$12.59 30% off with

Liz Lange Maternity for Target Size XXL Maternity
Liz Lange Maternity for Target Size XXL Maternity

View Product: Liz Lange Maternity for Target Size XXL Maternity

Liz Lange Maternity for Target

Size XXL Maternity
$12.99 $24

$9.09 30% off with

Peek & Beau Size 4 Maternity
Peek & Beau Size 4 Maternity
Price Drop BadgePrice Drop

View Product: Peek & Beau Size 4 Maternity

Peek & Beau

Size 4 Maternity
$17.99 $36

$8.99 50% off with

Liz Lange Maternity Size Med Maternity
Liz Lange Maternity Size Med Maternity

View Product: Liz Lange Maternity Size Med Maternity

Liz Lange Maternity

Size Med Maternity
$12.99 $36

$9.09 30% off with

Beach Bump By Motherhood Size XL Maternity
Beach Bump By Motherhood Size XL Maternity
Price Drop BadgePrice Drop

View Product: Beach Bump By Motherhood Size XL Maternity

Beach Bump By Motherhood

Size XL Maternity
$4.99 $30
A Pea in the Pod Size Med Maternity
A Pea in the Pod Size Med Maternity

View Product: A Pea in the Pod Size Med Maternity

A Pea in the Pod

Size Med Maternity
$16.99 $60

$10.19 40% off with

Pink Blush Size 5X Plus
Pink Blush Size 5X Plus

View Product: Pink Blush Size 5X Plus

Pink Blush

Size 5X Plus
$11.99 $24

$7.19 40% off with

Maternal America Size Sm Maternity
Maternal America Size Sm Maternity
Price Drop BadgePrice Drop

View Product: Maternal America Size Sm Maternity

Maternal America

Size Sm Maternity
$18.99 $48

$9.49 50% off with

Beach Bump By Motherhood Size XL Maternity
Beach Bump By Motherhood Size XL Maternity
Price Drop BadgePrice Drop

View Product: Beach Bump By Motherhood Size XL Maternity

Beach Bump By Motherhood

Size XL Maternity
$11.99 $30

$5.99 50% off with

Unbranded Size 9 Maternity
Unbranded Size 9 Maternity
Price Drop BadgePrice Drop

View Product: Unbranded Size 9 Maternity

Unbranded

Size 9 Maternity
$3.99 $24
GB Size Med Maternity
GB Size Med Maternity
Price Drop BadgePrice Drop

View Product: GB Size Med Maternity

GB

Size Med Maternity
$12.99 $30

$6.49 50% off with

Jessica Simpson Maternity Size XL Maternity
Jessica Simpson Maternity Size XL Maternity

View Product: Jessica Simpson Maternity Size XL Maternity

Jessica Simpson Maternity

Size XL Maternity
$28.99 $71
Seraphine Size XL Maternity
Seraphine Size XL Maternity

View Product: Seraphine Size XL Maternity

Seraphine

Size XL Maternity
$20.99 $48
A Pea in the Pod Size Sm Maternity
A Pea in the Pod Size Sm Maternity

View Product: A Pea in the Pod Size Sm Maternity

A Pea in the Pod

Size Sm Maternity
$17.99 $60
Shade & Shore Size Sm Maternity
Shade & Shore Size Sm Maternity

View Product: Shade & Shore Size Sm Maternity

Shade & Shore

Size Sm Maternity
$14.99 $30

$10.49 30% off with

Chiarakruza Size Sm Maternity
Chiarakruza Size Sm Maternity

View Product: Chiarakruza Size Sm Maternity

Chiarakruza

Size Sm Maternity
$13.99 $60

$9.79 30% off with

Ann Taylor LOFT Size Med Maternity
Ann Taylor LOFT Size Med Maternity

View Product: Ann Taylor LOFT Size Med Maternity

Ann Taylor LOFT

Size Med Maternity
$14.99 $50
La Robe Bleue Size XL Maternity
La Robe Bleue Size XL Maternity

View Product: La Robe Bleue Size XL Maternity

La Robe Bleue

Size XL Maternity
$23.99 $60

$16.79 30% off with

Prego Swimwear Size Sm Maternity
Prego Swimwear Size Sm Maternity

View Product: Prego Swimwear Size Sm Maternity

Prego Swimwear

Size Sm Maternity
$20.99 $60

$10.49 50% off with

A Pea in the Pod Size Sm Maternity
A Pea in the Pod Size Sm Maternity

View Product: A Pea in the Pod Size Sm Maternity

A Pea in the Pod

Size Sm Maternity
$23.99 $89
Motherhood Size Sm Maternity
Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$25.99 $36

$15.59 40% off with

Anita Size 8 Maternity
Anita Size 8 Maternity

View Product: Anita Size 8 Maternity

Anita

Size 8 Maternity
$14.99 $48
Assorted Brands Size Sm Maternity
Assorted Brands Size Sm Maternity

View Product: Assorted Brands Size Sm Maternity

Assorted Brands

Size Sm Maternity
$12.99 $24

$9.09 30% off with

A Pea in the Pod Size Med Maternity
A Pea in the Pod Size Med Maternity

View Product: A Pea in the Pod Size Med Maternity

A Pea in the Pod

Size Med Maternity
$24.99 $60

$17.49 30% off with

Beach Bump By Motherhood Size 2X Maternity
Beach Bump By Motherhood Size 2X Maternity

View Product: Beach Bump By Motherhood Size 2X Maternity

Beach Bump By Motherhood

Size 2X Maternity
$11.99 $30
Maternal America Size Lg Maternity
Maternal America Size Lg Maternity

View Product: Maternal America Size Lg Maternity

Maternal America

Size Lg Maternity
$37.99 $48

$22.79 40% off with

Jessica Simpson Maternity Size Sm Maternity
Jessica Simpson Maternity Size Sm Maternity

View Product: Jessica Simpson Maternity Size Sm Maternity

Jessica Simpson Maternity

Size Sm Maternity
$22.99 $71
Motherhood Size Sm Maternity
Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$25.99 $36

$15.59 40% off with

Motherhood Size Sm Maternity
Motherhood Size Sm Maternity

View Product: Motherhood Size Sm Maternity

Motherhood

Size Sm Maternity
$12.99 $24
Maternal America Size Med Maternity
Maternal America Size Med Maternity

View Product: Maternal America Size Med Maternity

Maternal America

Size Med Maternity
$21.99 $48

$13.19 40% off with

Liz Lange Maternity Size XL Maternity
Liz Lange Maternity Size XL Maternity

View Product: Liz Lange Maternity Size XL Maternity

Liz Lange Maternity

Size XL Maternity
$11.99 $36
Liz Lange Maternity for Target Size XXL Maternity
Liz Lange Maternity for Target Size XXL Maternity

View Product: Liz Lange Maternity for Target Size XXL Maternity

Liz Lange Maternity for Target

Size XXL Maternity
$18.99 $24
Beach Bump By Motherhood Size Med Maternity
Beach Bump By Motherhood Size Med Maternity

View Product: Beach Bump By Motherhood Size Med Maternity

Beach Bump By Motherhood

Size Med Maternity
$14.99 $30
Beach Bump By Motherhood Size Med Maternity
Beach Bump By Motherhood Size Med Maternity

View Product: Beach Bump By Motherhood Size Med Maternity

Beach Bump By Motherhood

Size Med Maternity
$12.99 $30

$9.09 30% off with

A Pea in the Pod Size XS Maternity
A Pea in the Pod Size XS Maternity

View Product: A Pea in the Pod Size XS Maternity

A Pea in the Pod

Size XS Maternity
$20.99 $60

$14.69 30% off with

A Pea in the Pod Size XS Maternity
A Pea in the Pod Size XS Maternity

View Product: A Pea in the Pod Size XS Maternity

A Pea in the Pod

Size XS Maternity
$20.99 $60

$14.69 30% off with

Motherhood Size XL Maternity
Motherhood Size XL Maternity

View Product: Motherhood Size XL Maternity

Motherhood

Size XL Maternity
$13.99 $24
Motherhood Size XL Maternity
Motherhood Size XL Maternity

View Product: Motherhood Size XL Maternity

Motherhood

Size XL Maternity
$11.99 $24
Liz Lange Maternity Size Med Maternity
Liz Lange Maternity Size Med Maternity

View Product: Liz Lange Maternity Size Med Maternity

Liz Lange Maternity

Size Med Maternity
$14.99 $36

$10.49 30% off with

Beach Bump By Motherhood Size Med Maternity
Beach Bump By Motherhood Size Med Maternity

View Product: Beach Bump By Motherhood Size Med Maternity

Beach Bump By Motherhood

Size Med Maternity
$14.99 $30
Liz Claiborne Size Med Maternity
Liz Claiborne Size Med Maternity

View Product: Liz Claiborne Size Med Maternity

Liz Claiborne

Size Med Maternity
$4.99 $38
Liz Lange Maternity Size XS Maternity
Liz Lange Maternity Size XS Maternity
New With Tags BadgeNew With Tags

View Product: Liz Lange Maternity Size XS Maternity

Liz Lange Maternity

Size XS Maternity
$12.99 $36

$9.09 30% off with

A Pea in the Pod Size XS Maternity
A Pea in the Pod Size XS Maternity

View Product: A Pea in the Pod Size XS Maternity

A Pea in the Pod

Size XS Maternity
$24.99 $60

$17.49 30% off with

A Pea in the Pod Size Med Maternity
A Pea in the Pod Size Med Maternity

View Product: A Pea in the Pod Size Med Maternity

A Pea in the Pod

Size Med Maternity
$18.99 $60
Liz Lange Maternity for Target Size XS Maternity
Liz Lange Maternity for Target Size XS Maternity

View Product: Liz Lange Maternity for Target Size XS Maternity

Liz Lange Maternity for Target

Size XS Maternity
$11.99 $24

$8.39 30% off with

A Pea in the Pod Size XS Maternity
A Pea in the Pod Size XS Maternity

View Product: A Pea in the Pod Size XS Maternity

A Pea in the Pod

Size XS Maternity
$24.99 $60

$17.49 30% off with