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.
387 items
Sort by:
View Product: Swim by Cacique Swimsuit Top
Swim by Cacique
Swimsuit Top
Size 1X Plus
$21.99 $13.19 40% off with code THANKU
56% off estimated retailView Product: Assorted Brands Swimsuit Top
Assorted Brands
Swimsuit Top
Size 1X Plus
$16.99 $12.74 25% off with code THANKU
32% off estimated retailView Product: Unbranded Swimsuit Cover Up
Unbranded
Swimsuit Cover Up
Size 1X Plus
$17.99 $12.59 30% off with code THANKU
52% off estimated retailView Product: Swim by Cacique Swimsuit Top
Swim by Cacique
Swimsuit Top
Size 1X Plus
$26.99 $16.19 40% off with code THANKU
47% off estimated retailView Product: Calia by Carrie Underwood Swimsuit Bottoms
Calia by Carrie Underwood
Swimsuit Bottoms
Size 1X Plus
$14.99 $11.24 25% off with code THANKU
53% off estimated retailView Product: Boutiquen One Piece Swimsuit
Boutiquen
One Piece Swimsuit
Size 1X Plus
$21.99 $15.39 30% off with code THANKU
42% off estimated retailView Product: Old Navy One Piece Swimsuit
Old Navy
One Piece Swimsuit
Size 1X Plus
$24.99 $17.49 30% off with code THANKU
44% off estimated retailView Product: Unique Vintage Swimsuit Top
Unique Vintage
Swimsuit Top
Size 1X Plus
$33.99 $23.79 30% off with code THANKU
33% off estimated retailView Product: Unbranded One Piece Swimsuit
Unbranded
One Piece Swimsuit
Size 1X Plus
$13.99 $10.49 25% off with code THANKU
63% off estimated retailView Product: Unbranded Two Piece Swimsuit
Unbranded
Two Piece Swimsuit
Size 1X Plus
$16.99 $11.89 30% off with code THANKU
55% off estimated retailView Product: Assorted Brands Swimsuit Top
Assorted Brands
Swimsuit Top
Size 1X Plus
$16.99 $12.74 25% off with code THANKU
43% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 1X Plus
$9.99 $7.99 20% off with code THANKU
60% off estimated retailView Product: Sea Angel One Piece Swimsuit
Sea Angel
One Piece Swimsuit
Size 1X Plus
$24.99 $16.24 35% off with code THANKU
47% off estimated retailView Product: Swimsuits for all Swimsuit Top
Swimsuits for all
Swimsuit Top
Size 1X Plus
$17.99 $11.69 35% off with code THANKU
52% off estimated retailView Product: Sand N Sun Swimsuit Bottoms
Sand N Sun
Swimsuit Bottoms
Size 1X Plus
$20.99 $13.64 35% off with code THANKU
44% off estimated retailView Product: Calia by Carrie Underwood Board Shorts
Calia by Carrie Underwood
Board Shorts
Size 1X Plus
$13.99 $9.09 35% off with code THANKU
56% off estimated retail