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.
671 items
Sort by:
View Product: Princess Polly Swimsuit Bottoms
Princess Polly
Swimsuit Bottoms
Size 6
$18.99 $14.24 25% off with code THRIFT25
50% off estimated retailView Product: PrettyLittleThing One Piece Swimsuit
PrettyLittleThing
One Piece Swimsuit
Size 6
$14.99 $11.24 25% off with code THRIFT25
68% off estimated retailView Product: Croft & Barrow One Piece Swimsuit
Croft & Barrow
One Piece Swimsuit
Size 6
$14.99 $11.24 25% off with code THRIFT25
48% off estimated retailView Product: Princess Polly One Piece Swimsuit
Princess Polly
One Piece Swimsuit
Size 6
$13.99 $10.49 25% off with code THRIFT25
63% off estimated retailView Product: California Republic Board Shorts
California Republic
Board Shorts
Size 6
$16.99 $12.74 25% off with code THRIFT25
32% off estimated retailView Product: PrettyLittleThing One Piece Swimsuit
PrettyLittleThing
One Piece Swimsuit
Size 12
$14.99 $11.24 25% off with code THRIFT25
68% off estimated retailView Product: Robby Lens Swimwear Swimsuit Top
Robby Lens Swimwear
Swimsuit Top
Size 12
$15.99 $11.99 25% off with code THRIFT25
57% off estimated retailView Product: PrettyLittleThing Swimsuit Cover Up
PrettyLittleThing
Swimsuit Cover Up
Size 6
$15.99 $11.99 25% off with code THRIFT25
66% off estimated retailView Product: Anne Cole Signature One Piece Swimsuit
Anne Cole Signature
One Piece Swimsuit
Size 6
$17.99 $13.49 25% off with code THRIFT25
62% off estimated retailView Product: Kenneth Cole New York Swimsuit Bottoms
Kenneth Cole New York
Swimsuit Bottoms
Size 6
$13.99 $10.49 25% off with code THRIFT25
78% off estimated retailView Product: Assorted Brands Swimsuit Bottoms
Assorted Brands
Swimsuit Bottoms
Size 6
$12.99 $9.74 25% off with code THRIFT25
48% off estimated retailView Product: Robin Piccone One Piece Swimsuit
Robin Piccone
One Piece Swimsuit
Size 6
$28.99 $21.74 25% off with code THRIFT25
74% off estimated retailView Product: Calvin Klein One Piece Swimsuit
Calvin Klein
One Piece Swimsuit
Size 12
$33.99 $25.49 25% off with code THRIFT25
75% off estimated retailView Product: Beach Party Swimwear Swimsuit Bottoms
Beach Party Swimwear
Swimsuit Bottoms
Size 12
$16.99 $12.74 25% off with code THRIFT25
66% off estimated retailView Product: Beach Party Swimwear Swimsuit Top
Beach Party Swimwear
Swimsuit Top
Size 12
$16.99 $12.74 25% off with code THRIFT25
66% off estimated retailView Product: Assorted Brands One Piece Swimsuit
Assorted Brands
One Piece Swimsuit
Size 12
$15.99 $11.99 25% off with code THRIFT25
57% off estimated retailView Product: Lauren by Ralph Lauren One Piece Swimsuit
Lauren by Ralph Lauren
One Piece Swimsuit
Size 6
$20.99 $15.74 25% off with code THRIFT25
80% off estimated retailView Product: PrettyLittleThing Two Piece Swimsuit
PrettyLittleThing
Two Piece Swimsuit
Size 6
$16.99 $12.74 25% off with code THRIFT25
64% off estimated retailView Product: Antonio Melani Swimsuit Bottoms
Antonio Melani
Swimsuit Bottoms
Size 12
$28.99 $21.74 25% off with code THRIFT25
42% off estimated retail