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.
341 items
Sort by:
View Product: Solid & Striped Swimsuit Bottoms
Solid & Striped
Swimsuit Bottoms
Size XS
$32.99 $18.14 45% off with code THANKU
71% off estimated retailView Product: Solid & Striped One Piece Swimsuit
Solid & Striped
One Piece Swimsuit
Size XS
$39.99 $20.00 50% off with code THANKU
76% off estimated retailView Product: MICHAEL Michael Kors Swimsuit Top
MICHAEL Michael Kors
Swimsuit Top
Size XS
$50.99 $40.79 20% off with code THANKU
43% off estimated retailView Product: Carmen Marc Valvo Swimwear Swimsuit Top
Carmen Marc Valvo Swimwear
Swimsuit Top
Size XS
$27.99 $16.79 40% off with code THANKU
67% off estimated retailView Product: Tavik Swimwear One Piece Swimsuit
Tavik Swimwear
One Piece Swimsuit
Size XS
$37.99 $24.69 35% off with code THANKU
71% off estimated retailView Product: Tavik Swimwear One Piece Swimsuit
Tavik Swimwear
One Piece Swimsuit
Size XS
$42.99 $34.39 20% off with code THANKU
67% off estimated retailView Product: Carmen Marc Valvo Swimwear Swimsuit Top
Carmen Marc Valvo Swimwear
Swimsuit Top
Size XS
$27.99 $16.79 40% off with code THANKU
67% off estimated retailView Product: Tavik Swimwear One Piece Swimsuit
Tavik Swimwear
One Piece Swimsuit
Size XS
$37.99 $24.69 35% off with code THANKU
71% off estimated retailView Product: MICHAEL Michael Kors Swimsuit Top
MICHAEL Michael Kors
Swimsuit Top
Size XS
$30.99 $21.69 30% off with code THANKU
64% off estimated retailView Product: Lululemon Athletica Swimsuit Bottoms
Lululemon Athletica
Swimsuit Bottoms
Size XS
$33.99 $17.00 50% off with code THANKU
50% off estimated retailView Product: Carmen Marc Valvo Swimwear Swimsuit Top
Carmen Marc Valvo Swimwear
Swimsuit Top
Size XS
$30.99 $18.59 40% off with code THANKU
63% off estimated retailView Product: BECCA® by Rebecca Virtue Swimsuit Cover Up
BECCA® by Rebecca Virtue
Swimsuit Cover Up
Size XS
$31.99 $20.79 35% off with code THANKU
66% off estimated retailView Product: Vineyard Vines One Piece Swimsuit
Vineyard Vines
One Piece Swimsuit
Size XS
$42.99 $34.39 20% off with code THANKU
67% off estimated retailView Product: Laundry by Shelli Segal Two Piece Swimsuit
Laundry by Shelli Segal
Two Piece Swimsuit
Size XS
$36.99 $22.19 40% off with code THANKU
67% off estimated retailView Product: Solid & Striped One Piece Swimsuit
Solid & Striped
One Piece Swimsuit
Size XS
$43.99 $26.39 40% off with code THANKU
74% off estimated retail