Women's Designer Swimwear

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Designer swimwear will keep you looking and feeling beautiful on the beach at up to 90% off estimated retail with thredUP.

324 items
Trina Turk Size 6
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View Product: Trina Turk Size 6

Trina Turk

Size 6
$22.99 $68

$13.79 40% off with

Kate Spade New York Size Med

View Product: Kate Spade New York Size Med

Kate Spade New York

Size Med
$35.99 $94

$28.79 20% off with

Trina Turk Size 4

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Trina Turk

Size 4
$20.99 $86

$16.79 20% off with

Tory Burch Size Sm

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Tory Burch

Size Sm
$31.99 $123

$25.59 20% off with

Badgley Mischka Size 4

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Badgley Mischka

Size 4
$37.99 $153

$30.39 20% off with

Tibi Size Sm

View Product: Tibi Size Sm

Tibi

Size Sm
$36.99 $203

$22.19 40% off with

Fendi Size 38 italian
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View Product: Fendi Size 38 italian

Fendi

Size 38 italian
$58.99 $320

$35.39 40% off with

Caroline Constas Size Med
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View Product: Caroline Constas Size Med

Caroline Constas

Size Med
$88.99 $320

$44.49 50% off with

Trina Turk Size 8
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View Product: Trina Turk Size 8

Trina Turk

Size 8
$22.99 $86

$13.79 40% off with

Trina Turk Size 8
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View Product: Trina Turk Size 8

Trina Turk

Size 8
$56.99 $73

$34.19 40% off with

Marc by Marc Jacobs Size Sm

View Product: Marc by Marc Jacobs Size Sm

Marc by Marc Jacobs

Size Sm
$24.99 $95

$19.99 20% off with

Kate Spade New York Size Lg

View Product: Kate Spade New York Size Lg

Kate Spade New York

Size Lg
$40.99 $94

$32.79 20% off with

Tibi Size Med

View Product: Tibi Size Med

Tibi

Size Med
$25.99 $102

$18.19 30% off with

Trina Turk Size 6

View Product: Trina Turk Size 6

Trina Turk

Size 6
$40.99 $148

$32.79 20% off with

Trina Turk Size 14

View Product: Trina Turk Size 14

Trina Turk

Size 14
$23.99 $86

$19.19 20% off with

Trina Turk Size 10

View Product: Trina Turk Size 10

Trina Turk

Size 10
$15.99 $73

$12.79 20% off with

Trina Turk Size 6
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View Product: Trina Turk Size 6

Trina Turk

Size 6
$25.99 $86

$15.59 40% off with

Zimmermann Size 4
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View Product: Zimmermann Size 4

Zimmermann

Size 4
$44.99 $153

$26.99 40% off with

Tory Burch Size XS

View Product: Tory Burch Size XS

Tory Burch

Size XS
$33.99 $123

$27.19 20% off with

Trina Turk Size Lg

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Trina Turk

Size Lg
$16.99 $73

$13.59 20% off with

Kate Spade New York Size Lg
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View Product: Kate Spade New York Size Lg

Kate Spade New York

Size Lg
$41.99 $145

$33.59 20% off with

Kate Spade New York Size Lg

View Product: Kate Spade New York Size Lg

Kate Spade New York

Size Lg
$20.99 $73

$16.79 20% off with

Trina Turk Size 10
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View Product: Trina Turk Size 10

Trina Turk

Size 10
$23.99 $86

$14.39 40% off with

Badgley Mischka Size 6

View Product: Badgley Mischka Size 6

Badgley Mischka

Size 6
$33.99 $153

$27.19 20% off with

Badgley Mischka Size 6

View Product: Badgley Mischka Size 6

Badgley Mischka

Size 6
$32.99 $153

$26.39 20% off with

Trina Turk Size Med
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View Product: Trina Turk Size Med

Trina Turk

Size Med
$27.99 $86

$22.39 20% off with

Tory Burch Size Sm

View Product: Tory Burch Size Sm

Tory Burch

Size Sm
$34.99 $139

$24.49 30% off with

Trina Turk Size 10

View Product: Trina Turk Size 10

Trina Turk

Size 10
$25.99 $86

$20.79 20% off with

Trina Turk Size 10

View Product: Trina Turk Size 10

Trina Turk

Size 10
$16.99 $73

$13.59 20% off with

Trina Turk Size 6

View Product: Trina Turk Size 6

Trina Turk

Size 6
$17.99 $73

$14.39 20% off with

Kate Spade New York Size Sm

View Product: Kate Spade New York Size Sm

Kate Spade New York

Size Sm
$40.99 $94

$32.79 20% off with

Marc by Marc Jacobs Size Sm

View Product: Marc by Marc Jacobs Size Sm

Marc by Marc Jacobs

Size Sm
$22.99 $95

$18.39 20% off with

Trina Turk Size 2
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View Product: Trina Turk Size 2

Trina Turk

Size 2
$28.99 $80

$17.39 40% off with

Michael Kors Size Sm
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View Product: Michael Kors Size Sm

Michael Kors

Size Sm
$66.99 $200

$33.49 50% off with

Trina Turk Size 12

View Product: Trina Turk Size 12

Trina Turk

Size 12
$17.99 $68

$10.79 40% off with

Trina Turk Size 8

View Product: Trina Turk Size 8

Trina Turk

Size 8
$28.99 $86

$17.39 40% off with

Trina Turk Size 10

View Product: Trina Turk Size 10

Trina Turk

Size 10
$22.99 $86

$18.39 20% off with

Marc by Marc Jacobs Size Sm

View Product: Marc by Marc Jacobs Size Sm

Marc by Marc Jacobs

Size Sm
$38.99 $171

$31.19 20% off with

Tory Burch Size Sm

View Product: Tory Burch Size Sm

Tory Burch

Size Sm
$34.99 $130

$24.49 30% off with

Michael Kors Size 8
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View Product: Michael Kors Size 8

Michael Kors

Size 8
$48.99 $165

$24.50 50% off with

Kate Spade New York Size Lg

View Product: Kate Spade New York Size Lg

Kate Spade New York

Size Lg
$17.99 $73

$14.39 20% off with

Trina Turk Size 12

View Product: Trina Turk Size 12

Trina Turk

Size 12
$22.99 $86

$18.39 20% off with

Trina Turk Size 4

View Product: Trina Turk Size 4

Trina Turk

Size 4
$21.99 $86

$17.59 20% off with

Trina Turk Size 8
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View Product: Trina Turk Size 8

Trina Turk

Size 8
$62.99 $80

$31.50 50% off with

Trina Turk Size 6

View Product: Trina Turk Size 6

Trina Turk

Size 6
$27.99 $86

$19.59 30% off with

Tory Burch Size Sm
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View Product: Tory Burch Size Sm

Tory Burch

Size Sm
$35.99 $123

$25.19 30% off with

Michael Kors Size 8
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View Product: Michael Kors Size 8

Michael Kors

Size 8
$46.99 $165

$23.50 50% off with

Caroline Constas Size XS
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View Product: Caroline Constas Size XS

Caroline Constas

Size XS
$44.99 $165

$26.99 40% off with

Trina Turk Size 2
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View Product: Trina Turk Size 2

Trina Turk

Size 2
$21.99 $84

$17.59 20% off with

Zimmermann Size 4
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View Product: Zimmermann Size 4

Zimmermann

Size 4
$49.99 $135

$29.99 40% off with

Marc by Marc Jacobs Size Sm

View Product: Marc by Marc Jacobs Size Sm

Marc by Marc Jacobs

Size Sm
$28.99 $95

$17.39 40% off with

Trina Turk Size 6

View Product: Trina Turk Size 6

Trina Turk

Size 6
$23.99 $86

$16.79 30% off with

Trina Turk Size 12

View Product: Trina Turk Size 12

Trina Turk

Size 12
$19.99 $73

$15.99 20% off with

Zimmermann Size 6
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View Product: Zimmermann Size 6

Zimmermann

Size 6
$67.99 $170

$33.99 50% off with

Trina Turk Size Med
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View Product: Trina Turk Size Med

Trina Turk

Size Med
$23.99 $73

$16.79 30% off with

Christian Dior Size 12
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View Product: Christian Dior Size 12

Christian Dior

Size 12
$512.99 $800
Dion Lee Size 8
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View Product: Dion Lee Size 8

Dion Lee

Size 8
$50.99 $143

$30.59 40% off with

Trina Turk Size Med
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View Product: Trina Turk Size Med

Trina Turk

Size Med
$38.99 $140

$27.29 30% off with

Kate Spade New York Size Med

View Product: Kate Spade New York Size Med

Kate Spade New York

Size Med
$30.99 $94

$21.69 30% off with

Zimmermann Size 2
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View Product: Zimmermann Size 2

Zimmermann

Size 2
$60.99 $135

$30.50 50% off with

Trina Turk Size 4
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View Product: Trina Turk Size 4

Trina Turk

Size 4
$22.99 $86

$13.79 40% off with

Zimmermann Size Lg
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View Product: Zimmermann Size Lg

Zimmermann

Size Lg
$43.99 $160

$26.39 40% off with

Roberto Cavalli Size 42 italian
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View Product: Roberto Cavalli Size 42 italian

Roberto Cavalli

Size 42 italian
$51.99 $198

$26.00 50% off with

Kate Spade New York Size XS
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View Product: Kate Spade New York Size XS

Kate Spade New York

Size XS
$22.99 $94

$13.79 40% off with

Marc by Marc Jacobs Size Med
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View Product: Marc by Marc Jacobs Size Med

Marc by Marc Jacobs

Size Med
$40.99 $185

$24.59 40% off with

Trina Turk Size 6

View Product: Trina Turk Size 6

Trina Turk

Size 6
$19.99 $73

$13.99 30% off with

Trina Turk Size 12

View Product: Trina Turk Size 12

Trina Turk

Size 12
$25.99 $86

$18.19 30% off with

ROCHAS Size XS
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View Product: ROCHAS Size XS

ROCHAS

Size XS
$41.99 $125

$29.39 30% off with

Trina Turk Size 4

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Trina Turk

Size 4
$18.99 $86

$15.19 20% off with

John Galliano Size Sm
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John Galliano

Size Sm
$91.99 $350

$55.19 40% off with

Stella McCartney Size Sm
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View Product: Stella McCartney Size Sm

Stella McCartney

Size Sm
$66.99 $138

$40.19 40% off with

Trina Turk Size 6

View Product: Trina Turk Size 6

Trina Turk

Size 6
$21.99 $86

$15.39 30% off with

Trina Turk Size 8

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Trina Turk

Size 8
$22.99 $86

$18.39 20% off with

Lisa Marie Fernandez Size Sm
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View Product: Lisa Marie Fernandez Size Sm

Lisa Marie Fernandez

Size Sm
$47.99 $143

$28.79 40% off with

Badgley Mischka Size 12

View Product: Badgley Mischka Size 12

Badgley Mischka

Size 12
$38.99 $153

$31.19 20% off with

Trina Turk Size 4

View Product: Trina Turk Size 4

Trina Turk

Size 4
$20.99 $86

$16.79 20% off with

Trina Turk Size 10

View Product: Trina Turk Size 10

Trina Turk

Size 10
$23.99 $86

$19.19 20% off with

Trina Turk Size 6

View Product: Trina Turk Size 6

Trina Turk

Size 6
$24.99 $86

$19.99 20% off with

Kate Spade New York Size XS

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Kate Spade New York

Size XS
$15.99 $68

$11.19 30% off with

Tibi Size Med
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View Product: Tibi Size Med

Tibi

Size Med
$62.99 $214

$37.79 40% off with

Trina Turk Size 2
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View Product: Trina Turk Size 2

Trina Turk

Size 2
$17.99 $80

$8.99 50% off with

Suno Size Med
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Suno

Size Med
$39.99 $154

$20.00 50% off with

Tory Burch Size XS
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View Product: Tory Burch Size XS

Tory Burch

Size XS
$32.99 $139

$19.79 40% off with

Zimmermann Size 2
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View Product: Zimmermann Size 2

Zimmermann

Size 2
$53.79 $120

$32.27 40% off with

Trina Turk Size 4

View Product: Trina Turk Size 4

Trina Turk

Size 4
$20.99 $86

$16.79 20% off with

Lisa Marie Fernandez Size XS
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View Product: Lisa Marie Fernandez Size XS

Lisa Marie Fernandez

Size XS
$119.99 $458

$71.99 40% off with

Trina Turk Size Lg

View Product: Trina Turk Size Lg

Trina Turk

Size Lg
$26.99 $86

$18.89 30% off with

Trina Turk Size 12

View Product: Trina Turk Size 12

Trina Turk

Size 12
$22.99 $86

$18.39 20% off with

Trina Turk Size 6

View Product: Trina Turk Size 6

Trina Turk

Size 6
$21.99 $86

$17.59 20% off with

Zimmermann Size 4
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View Product: Zimmermann Size 4

Zimmermann

Size 4
$31.99 $175

$19.19 40% off with

Trina Turk Size 8

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Trina Turk

Size 8
$16.99 $73

$13.59 20% off with

Diane von Furstenberg Size Sm

View Product: Diane von Furstenberg Size Sm

Diane von Furstenberg

Size Sm
$23.99 $105

$19.19 20% off with

Tibi Size XS

View Product: Tibi Size XS

Tibi

Size XS
$33.99 $153

$20.39 40% off with

Kate Spade New York Size XS

View Product: Kate Spade New York Size XS

Kate Spade New York

Size XS
$31.99 $94

$22.39 30% off with

Lisa Marie Fernandez Size XS
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View Product: Lisa Marie Fernandez Size XS

Lisa Marie Fernandez

Size XS
$34.99 $165
Marc by Marc Jacobs Size Sm

View Product: Marc by Marc Jacobs Size Sm

Marc by Marc Jacobs

Size Sm
$36.99 $181

$29.59 20% off with

Trina Turk Size 10

View Product: Trina Turk Size 10

Trina Turk

Size 10
$22.99 $86

$18.39 20% off with

Trina Turk Size 6
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View Product: Trina Turk Size 6

Trina Turk

Size 6
$21.99 $86

$13.19 40% off with

Trina Turk Size 6
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View Product: Trina Turk Size 6

Trina Turk

Size 6
$22.99 $86

$13.79 40% off with

Milly Size 12
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View Product: Milly Size 12

Milly

Size 12
$42.99 $127

$25.79 40% off with

Marc by Marc Jacobs Size Sm

View Product: Marc by Marc Jacobs Size Sm

Marc by Marc Jacobs

Size Sm
$28.99 $95

$17.39 40% off with

Zimmermann Size Lg

View Product: Zimmermann Size Lg

Zimmermann

Size Lg
$59.99 $153

$41.99 30% off with

Kate Spade New York Size Sm
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View Product: Kate Spade New York Size Sm

Kate Spade New York

Size Sm
$56.99 $68

$34.19 40% off with

D&G Dolce & Gabbana Size Sm
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View Product: D&G Dolce & Gabbana Size Sm

D&G Dolce & Gabbana

Size Sm
$80.99 $350

$40.49 50% off with

Trina Turk Size 6
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View Product: Trina Turk Size 6

Trina Turk

Size 6
$21.99 $86

$13.19 40% off with

Trina Turk Size 4