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.
108 items
Sort by:
View Product: Swim by Cacique Swimsuit Top
Swim by Cacique
Swimsuit Top
Size 1X Plus
$41.99 $23.09 45% off with code THANKU
46% off estimated retailView Product: Calia by Carrie Underwood Swimsuit Bottoms
Calia by Carrie Underwood
Swimsuit Bottoms
Size 1X Plus
$14.99 $10.49 30% 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: Unique Vintage Swimsuit Top
Unique Vintage
Swimsuit Top
Size 1X Plus
$33.99 $22.09 35% off with code THANKU
33% 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: Freshwater Swimsuit Bottoms
Freshwater
Swimsuit Bottoms
Size 1X Plus
$17.99 $12.59 30% off with code THANKU
52% off estimated retailView Product: Juno Active One Piece Swimsuit
Juno Active
One Piece Swimsuit
Size 1X Plus
$47.99 $38.39 20% off with code THANKU
64% off estimated retailView Product: Assorted Brands Swimsuit Top
Assorted Brands
Swimsuit Top
Size 1X Plus
$14.99 $9.74 35% off with code THANKU
40% off estimated retailView Product: Alpinestars Swimsuit Bottoms
Alpinestars
Swimsuit Bottoms
Size 1X Plus
$16.99 $12.74 25% off with code THANKU
32% off estimated retailView Product: Cole of California Swimsuit Bottoms
Cole of California
Swimsuit Bottoms
Size 1X Plus
$14.99 $9.74 35% off with code THANKU
40% off estimated retailView Product: Kenneth Cole REACTION Swimsuit Top
Kenneth Cole REACTION
Swimsuit Top
Size 1X Plus
$16.99 $11.04 35% off with code THANKU
55% off estimated retailView Product: Croft & Barrow Swimsuit Bottoms
Croft & Barrow
Swimsuit Bottoms
Size 1X Plus
$12.99 $10.39 20% off with code THANKU
31% off estimated retailView Product: coastal blue One Piece Swimsuit
coastal blue
One Piece Swimsuit
Size 1X Plus
$32.99 $21.44 35% off with code THANKU
56% off estimated retailView Product: coastal blue One Piece Swimsuit
coastal blue
One Piece Swimsuit
Size 1X Plus
$32.99 $21.44 35% off with code THANKU
56% off estimated retailView Product: curvy sense One Piece Swimsuit
curvy sense
One Piece Swimsuit
Size 1X Plus
$13.99 $9.09 35% off with code THANKU
41% off estimated retailView Product: Island Soul Swimsuit Bottoms
Island Soul
Swimsuit Bottoms
Size 1X Plus
$16.99 $11.89 30% off with code THANKU
55% off estimated retailView Product: Theatrical One Piece Swimsuit
Theatrical
One Piece Swimsuit
Size 1X Plus
$27.99 $18.19 35% off with code THANKU
70% off estimated retailView Product: coastal blue One Piece Swimsuit
coastal blue
One Piece Swimsuit
Size 1X Plus
$22.99 $14.94 35% off with code THANKU
69% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 1X Plus
$7.99 $6.39 20% off with code THANKU
68% off estimated retail