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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.

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32 items
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    ABS Allen Schwartz Swimsuit Bottoms (view 2)ABS Allen Schwartz Swimsuit Bottoms (view 1)New With Tags
    View Product: ABS Allen Schwartz Swimsuit Bottoms

    ABS Allen Schwartz

    Swimsuit Bottoms
    Size 8
    $17.99 $13.49 25% off with code SHINE
    76% off estimated retail
    Bleu Rod Beattie Swimsuit Bottoms (view 2)Bleu Rod Beattie Swimsuit Bottoms (view 1)New With Tags
    View Product: Bleu Rod Beattie Swimsuit Bottoms

    Bleu Rod Beattie

    Swimsuit Bottoms
    Size 8
    $19.99 $11.99 40% off with code SHINE
    67% off estimated retail
    Handful Swimsuit Bottoms (view 2)Handful Swimsuit Bottoms (view 1)New With Tags
    View Product: Handful Swimsuit Bottoms

    Handful

    Swimsuit Bottoms
    Size 8
    $10.99 $8.24 25% off with code SHINE
    71% off estimated retail
    Seafolly Swimsuit Top (view 2)Seafolly Swimsuit Top (view 1)New With Tags
    View Product: Seafolly Swimsuit Top

    Seafolly

    Swimsuit Top
    Size 8
    $25.99 $14.29 45% off with code SHINE
    70% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Heidi Klum Swim Swimsuit Bottoms (view 2)Heidi Klum Swim Swimsuit Bottoms (view 1)New With Tags
    View Product: Heidi Klum Swim Swimsuit Bottoms

    Heidi Klum Swim

    Swimsuit Bottoms
    Size 8
    $11.99 $9.59 20% off with code SHINE
    86% off estimated retail
    Nasty Gal Inc. Swimsuit Top (view 2)Nasty Gal Inc. Swimsuit Top (view 1)New With Tags
    View Product: Nasty Gal Inc. Swimsuit Top

    Nasty Gal Inc.

    Swimsuit Top
    Size 8
    $10.99 $8.79 20% off with code SHINE
    85% off estimated retail
    PrettyLittleThing Swimsuit Bottoms (view 2)PrettyLittleThing Swimsuit Bottoms (view 1)New With Tags
    View Product: PrettyLittleThing Swimsuit Bottoms

    PrettyLittleThing

    Swimsuit Bottoms
    Size 8
    $12.99 $9.09 30% off with code SHINE
    59% off estimated retail
    Seafolly Swimsuit Bottoms (view 2)Seafolly Swimsuit Bottoms (view 1)New With Tags
    View Product: Seafolly Swimsuit Bottoms

    Seafolly

    Swimsuit Bottoms
    Size 8
    $37.99 $22.79 40% off with code SHINE
    66% off estimated retail
    Contours by Coco Reef Swimsuit Top (view 2)Contours by Coco Reef Swimsuit Top (view 1)New With Tags
    View Product: Contours by Coco Reef Swimsuit Top

    Contours by Coco Reef

    Swimsuit Top
    Size 8
    $22.99 $18.39 20% off with code SHINE
    80% off estimated retail
    H&M x Love Stories Swimsuit Top (view 2)H&M x Love Stories Swimsuit Top (view 1)New With Tags
    View Product: H&M x Love Stories Swimsuit Top

    H&M x Love Stories

    Swimsuit Top
    Size 8
    $15.99 $12.79 20% off with code SHINE
    50% off estimated retail
    H&M x Love Stories Swimsuit Bottoms (view 2)H&M x Love Stories Swimsuit Bottoms (view 1)New With Tags
    View Product: H&M x Love Stories Swimsuit Bottoms

    H&M x Love Stories

    Swimsuit Bottoms
    Size 8
    $15.99 $12.79 20% off with code SHINE
    50% off estimated retail
    ABS Allen Schwartz Swimsuit Top (view 2)ABS Allen Schwartz Swimsuit Top (view 1)New With Tags
    View Product: ABS Allen Schwartz Swimsuit Top

    ABS Allen Schwartz

    Swimsuit Top
    Size 8
    $33.99 $25.49 25% off with code SHINE
    73% off estimated retail
    Wild Fable Swimsuit Top (view 2)Wild Fable Swimsuit Top (view 1)New With Tags
    View Product: Wild Fable Swimsuit Top

    Wild Fable

    Swimsuit Top
    Size 8
    $11.99 $7.79 35% off with code SHINE
    20% off estimated retail
    Luma One Piece Swimsuit (view 2)Luma One Piece Swimsuit (view 1)New With Tags
    View Product: Luma One Piece Swimsuit

    Luma

    One Piece Swimsuit
    Size 8
    $55.99
    57% off estimated retail
    Seafolly One Piece Swimsuit (view 2)Seafolly One Piece Swimsuit (view 1)New With Tags
    View Product: Seafolly One Piece Swimsuit

    Seafolly

    One Piece Swimsuit
    Size 8
    $62.99 $44.09 30% off with code SHINE
    63% off estimated retail
    Jantzen Swimsuit Cover Up (view 2)Jantzen Swimsuit Cover Up (view 1)New With Tags
    View Product: Jantzen Swimsuit Cover Up

    Jantzen

    Swimsuit Cover Up
    Size 8
    $23.99
    57% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)New With Tags
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 8
    $13.99
    44% off estimated retail
    Bleu Rod Beattie Swimsuit Bottoms (view 2)Bleu Rod Beattie Swimsuit Bottoms (view 1)New With Tags
    View Product: Bleu Rod Beattie Swimsuit Bottoms

    Bleu Rod Beattie

    Swimsuit Bottoms
    Size 8
    $15.99 $11.19 30% off with code SHINE
    73% off estimated retail
    Vilebrequin Swimsuit Bottoms (view 2)Vilebrequin Swimsuit Bottoms (view 1)New With Tags
    View Product: Vilebrequin Swimsuit Bottoms

    Vilebrequin

    Swimsuit Bottoms
    Size 8
    $29.99 $16.49 45% off with code SHINE
    76% off estimated retail
    Vilebrequin Swimsuit Top (view 2)Vilebrequin Swimsuit Top (view 1)New With Tags
    View Product: Vilebrequin Swimsuit Top

    Vilebrequin

    Swimsuit Top
    Size 8
    $30.99 $17.04 45% off with code SHINE
    75% off estimated retail
    Melissa Odabash Swimsuit Bottoms (view 2)Melissa Odabash Swimsuit Bottoms (view 1)New With Tags
    View Product: Melissa Odabash Swimsuit Bottoms

    Melissa Odabash

    Swimsuit Bottoms
    Size 8
    $31.99 $19.19 40% off with code SHINE
    75% off estimated retail
    Assorted Brands Swimsuit Top (view 2)Assorted Brands Swimsuit Top (view 1)New With Tags
    View Product: Assorted Brands Swimsuit Top

    Assorted Brands

    Swimsuit Top
    Size 8
    $14.99 $11.24 25% off with code SHINE
    40% off estimated retail
    Topshop Swimsuit Bottoms (view 2)Topshop Swimsuit Bottoms (view 1)New With Tags
    View Product: Topshop Swimsuit Bottoms

    Topshop

    Swimsuit Bottoms
    Size 8
    $14.99 $10.49 30% off with code SHINE
    53% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)New With Tags
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size 8
    $11.99 $8.99 25% off with code SHINE
    52% off estimated retail
    Ashley Graham x Swimsuits For All Swimsuit Top (view 2)Ashley Graham x Swimsuits For All Swimsuit Top (view 1)New With Tags
    View Product: Ashley Graham x Swimsuits For All Swimsuit Top

    Ashley Graham x Swimsuits For All

    Swimsuit Top
    Size 8
    $17.99 $9.89 45% off with code SHINE
    71% off estimated retail
    BCBGMAXAZRIA Swimsuit Bottoms (view 2)BCBGMAXAZRIA Swimsuit Bottoms (view 1)New With Tags
    View Product: BCBGMAXAZRIA Swimsuit Bottoms

    BCBGMAXAZRIA

    Swimsuit Bottoms
    Size 8
    $21.99 $17.59 20% off with code SHINE
    67% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)New With Tags
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 8
    $17.99 $10.79 40% off with code SHINE
    74% off estimated retail
    Assorted Brands Swimsuit Bottoms (view 2)Assorted Brands Swimsuit Bottoms (view 1)New With Tags
    View Product: Assorted Brands Swimsuit Bottoms

    Assorted Brands

    Swimsuit Bottoms
    Size 8
    $9.99 $7.99 20% off with code SHINE
    60% off estimated retail
    Seafolly Swimsuit Bottoms (view 2)Seafolly Swimsuit Bottoms (view 1)New With Tags
    View Product: Seafolly Swimsuit Bottoms

    Seafolly

    Swimsuit Bottoms
    Size 8
    $24.99 $16.24 35% off with code SHINE
    78% off estimated retail
    J.Crew Swimsuit Top (view 2)J.Crew Swimsuit Top (view 1)Flawed Gem
    View Product: J.Crew Swimsuit Top

    J.Crew

    Swimsuit Top
    Size 8
    $19.99 $11.99 40% off with code SHINE
    73% off estimated retail
    Nasty Gal Inc. Swimsuit Top (view 2)Nasty Gal Inc. Swimsuit Top (view 1)New With Tags
    View Product: Nasty Gal Inc. Swimsuit Top

    Nasty Gal Inc.

    Swimsuit Top
    Size 8
    $14.99 $11.99 20% off with code SHINE
    80% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)New With Tags
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 8
    $12.99 $7.79 40% off with code SHINE
    48% off estimated retail
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