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.

1,917 items
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    Trina Turk One Piece Swimsuit (view 2)Trina Turk One Piece Swimsuit (view 1)
    View Product: Trina Turk One Piece Swimsuit

    Trina Turk

    One Piece Swimsuit
    Size 8
    $58.99
    65% off estimated retail
    Kona Sol Swimsuit Top (view 2)Kona Sol Swimsuit Top (view 1)New With Tags
    View Product: Kona Sol Swimsuit Top

    Kona Sol

    Swimsuit Top
    Size Lg
    $17.99
    10% off estimated retail
    H&M One Piece Swimsuit (view 2)H&M One Piece Swimsuit (view 1)New With Tags
    View Product: H&M One Piece Swimsuit

    H&M

    One Piece Swimsuit
    Size Lg
    $23.99
    31% off estimated retail
    Assorted Brands Swimsuit Top (view 2)Assorted Brands Swimsuit Top (view 1)
    View Product: Assorted Brands Swimsuit Top

    Assorted Brands

    Swimsuit Top
    Size 8
    $12.99
    48% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Hula Honey Swimsuit Bottoms (view 2)Hula Honey Swimsuit Bottoms (view 1)New With Tags
    View Product: Hula Honey Swimsuit Bottoms

    Hula Honey

    Swimsuit Bottoms
    Size Sm
    $10.99
    45% off estimated retail
    Fleo Swimsuit Top (view 2)Fleo Swimsuit Top (view 1)New With Tags
    View Product: Fleo Swimsuit Top

    Fleo

    Swimsuit Top
    Size Lg
    $16.99
    55% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size 4
    $11.99
    52% off estimated retail
    Cover 2 Cover Swimsuit Cover Up (view 2)Cover 2 Cover Swimsuit Cover Up (view 1)
    View Product: Cover 2 Cover Swimsuit Cover Up

    Cover 2 Cover

    Swimsuit Cover Up
    Size Med
    $18.99
    34% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size Sm
    $16.99
    55% off estimated retail
    Polo by Ralph Lauren Swimsuit Cover Up (view 2)Polo by Ralph Lauren Swimsuit Cover Up (view 1)
    View Product: Polo by Ralph Lauren Swimsuit Cover Up

    Polo by Ralph Lauren

    Swimsuit Cover Up
    Size Med
    $29.99
    68% off estimated retail
    Athleta Swimsuit Bottoms (view 2)Athleta Swimsuit Bottoms (view 1)
    View Product: Athleta Swimsuit Bottoms

    Athleta

    Swimsuit Bottoms
    Size Med
    $23.99
    59% off estimated retail
    DSG Swimsuit Bottoms (view 2)DSG Swimsuit Bottoms (view 1)
    View Product: DSG Swimsuit Bottoms

    DSG

    Swimsuit Bottoms
    Size XL
    $15.99
    36% off estimated retail
    Frankies Bikinis Swimsuit Top (view 2)Frankies Bikinis Swimsuit Top (view 1)
    View Product: Frankies Bikinis Swimsuit Top

    Frankies Bikinis

    Swimsuit Top
    Size Med
    $24.99
    67% off estimated retail
    Out From Under Swimsuit Top (view 2)Out From Under Swimsuit Top (view 1)
    View Product: Out From Under Swimsuit Top

    Out From Under

    Swimsuit Top
    Size Sm
    $15.99
    57% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size XL
    $9.99
    37% off estimated retail
    Draper James X Land's End One Piece Swimsuit (view 2)Draper James X Land's End One Piece Swimsuit (view 1)
    View Product: Draper James X Land's End One Piece Swimsuit

    Draper James X Land's End

    One Piece Swimsuit
    Size 12
    $16.99
    55% off estimated retail
    Cupshe Swimsuit Bottoms (view 2)Cupshe Swimsuit Bottoms (view 1)
    View Product: Cupshe Swimsuit Bottoms

    Cupshe

    Swimsuit Bottoms
    Size Sm
    $13.99
    26% off estimated retail
    Blue Island Swimsuit Cover Up (view 2)Blue Island Swimsuit Cover Up (view 1)
    View Product: Blue Island Swimsuit Cover Up

    Blue Island

    Swimsuit Cover Up
    Size Sm
    $17.99
    37% off estimated retail
    Mangarsar Beachwear Swimsuit Bottoms (view 2)Mangarsar Beachwear Swimsuit Bottoms (view 1)
    View Product: Mangarsar Beachwear Swimsuit Bottoms

    Mangarsar Beachwear

    Swimsuit Bottoms
    Size Lg
    $11.99
    52% off estimated retail
    Shekini Swimsuit Top (view 2)Shekini Swimsuit Top (view 1)
    View Product: Shekini Swimsuit Top

    Shekini

    Swimsuit Top
    Size Med
    $15.99
    36% off estimated retail
    Mott50 Swimsuit Cover Up (view 2)Mott50 Swimsuit Cover Up (view 1)
    View Product: Mott50 Swimsuit Cover Up

    Mott50

    Swimsuit Cover Up
    Size Sm
    $32.99
    75% off estimated retail
    Trina Turk One Piece Swimsuit (view 2)Trina Turk One Piece Swimsuit (view 1)
    View Product: Trina Turk One Piece Swimsuit

    Trina Turk

    One Piece Swimsuit
    Size 2
    $47.99
    72% off estimated retail
    Kim Rogers One Piece Swimsuit (view 2)Kim Rogers One Piece Swimsuit (view 1)
    View Product: Kim Rogers One Piece Swimsuit

    Kim Rogers

    One Piece Swimsuit
    Size 12
    $15.99
    15% off estimated retail
    Seafolly Swimsuit Cover Up (view 2)Seafolly Swimsuit Cover Up (view 1)
    View Product: Seafolly Swimsuit Cover Up

    Seafolly

    Swimsuit Cover Up
    Size Sm
    $50.99
    70% off estimated retail
    Unbranded Two Piece Swimsuit (view 2)Unbranded Two Piece Swimsuit (view 1)
    View Product: Unbranded Two Piece Swimsuit

    Unbranded

    Two Piece Swimsuit
    Size Lg
    $16.99
    55% off estimated retail
    RACHEL Rachel Roy One Piece Swimsuit (view 2)RACHEL Rachel Roy One Piece Swimsuit (view 1)
    View Product: RACHEL Rachel Roy One Piece Swimsuit

    RACHEL Rachel Roy

    One Piece Swimsuit
    Size Lg
    $26.99
    64% off estimated retail
    Pink Lily Swimsuit Bottoms (view 2)Pink Lily Swimsuit Bottoms (view 1)
    View Product: Pink Lily Swimsuit Bottoms

    Pink Lily

    Swimsuit Bottoms
    Size Sm
    $11.99
    52% off estimated retail
    Xhilaration Swimsuit Top (view 2)Xhilaration Swimsuit Top (view 1)
    View Product: Xhilaration Swimsuit Top

    Xhilaration

    Swimsuit Top
    Size Med
    $6.99
    46% off estimated retail
    Johnny Was Swimsuit Cover Up (view 2)Johnny Was Swimsuit Cover Up (view 1)
    View Product: Johnny Was Swimsuit Cover Up

    Johnny Was

    Swimsuit Cover Up
    Size XS
    $111.99
    63% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Med
    $14.99
    40% off estimated retail
    Bar III Swimsuit Bottoms (view 2)Bar III Swimsuit Bottoms (view 1)
    View Product: Bar III Swimsuit Bottoms

    Bar III

    Swimsuit Bottoms
    Size Sm
    $11.99
    52% off estimated retail
    J.Crew Swimsuit Cover Up (view 2)J.Crew Swimsuit Cover Up (view 1)
    View Product: J.Crew Swimsuit Cover Up

    J.Crew

    Swimsuit Cover Up
    Size Med
    $16.99
    81% off estimated retail
    Assorted Brands Swimsuit Top (view 2)Assorted Brands Swimsuit Top (view 1)
    View Product: Assorted Brands Swimsuit Top

    Assorted Brands

    Swimsuit Top
    Size Lg
    $12.99
    48% off estimated retail
    Onia Swimsuit Top (view 2)Onia Swimsuit Top (view 1)New With Tags
    View Product: Onia Swimsuit Top

    Onia

    Swimsuit Top
    Size Sm
    $17.99
    71% off estimated retail
    Assorted Brands Board Shorts (view 2)Assorted Brands Board Shorts (view 1)
    View Product: Assorted Brands Board Shorts

    Assorted Brands

    Board Shorts
    Size 2X Plus
    $14.99
    40% off estimated retail
    Unbranded Two Piece Swimsuit (view 2)Unbranded Two Piece Swimsuit (view 1)
    View Product: Unbranded Two Piece Swimsuit

    Unbranded

    Two Piece Swimsuit
    Size Sm
    $20.99
    44% 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 Sm
    $10.99
    56% off estimated retail
    OYE Swimwear Swimsuit Bottoms (view 2)OYE Swimwear Swimsuit Bottoms (view 1)
    View Product: OYE Swimwear Swimsuit Bottoms

    OYE Swimwear

    Swimsuit Bottoms
    Size XS
    $37.99
    75% off estimated retail
    Xhilaration Swimsuit Top (view 2)Xhilaration Swimsuit Top (view 1)
    View Product: Xhilaration Swimsuit Top

    Xhilaration

    Swimsuit Top
    Size Lg
    $7.99
    38% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Sm
    $12.99
    48% off estimated retail
    Trina Turk Swimsuit Bottoms (view 2)Trina Turk Swimsuit Bottoms (view 1)
    View Product: Trina Turk Swimsuit Bottoms

    Trina Turk

    Swimsuit Bottoms
    Size 10
    $21.99
    75% 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 10
    $12.99
    48% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Lg
    $13.99
    44% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Med
    $10.99
    56% off estimated retail
    Swimsuits for all Swimsuit Cover Up (view 2)Swimsuits for all Swimsuit Cover Up (view 1)
    View Product: Swimsuits for all Swimsuit Cover Up

    Swimsuits for all

    Swimsuit Cover Up
    Size 14
    $22.99
    59% off estimated retail
    Nasty Gal Inc. Swimsuit Bottoms (view 2)Nasty Gal Inc. Swimsuit Bottoms (view 1)New With Tags
    View Product: Nasty Gal Inc. Swimsuit Bottoms

    Nasty Gal Inc.

    Swimsuit Bottoms
    Size 10
    $21.99
    71% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Lg
    $12.99
    48% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Lg
    $13.99
    44% off estimated retail
    Sofia by Vix Swimsuit Cover Up (view 2)Sofia by Vix Swimsuit Cover Up (view 1)
    View Product: Sofia by Vix Swimsuit Cover Up

    Sofia by Vix

    Swimsuit Cover Up
    Size Med
    $21.99
    61% off estimated retail
    Jordan Taylor Swimsuit Cover Up (view 2)Jordan Taylor Swimsuit Cover Up (view 1)
    View Product: Jordan Taylor Swimsuit Cover Up

    Jordan Taylor

    Swimsuit Cover Up
    Size Sm
    $20.99
    56% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 6
    $11.99
    52% off estimated retail
    World Market Swimsuit Cover Up (view 2)World Market Swimsuit Cover Up (view 1)
    View Product: World Market Swimsuit Cover Up

    World Market

    Swimsuit Cover Up
    Size One size
    $18.99
    34% off estimated retail
    Becca Swimsuit Top (view 2)Becca Swimsuit Top (view 1)
    View Product: Becca Swimsuit Top

    Becca

    Swimsuit Top
    Size Lg
    $15.99
    57% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Med
    $9.99
    60% off estimated retail
    Beach Riot Swimsuit Top (view 2)Beach Riot Swimsuit Top (view 1)
    View Product: Beach Riot Swimsuit Top

    Beach Riot

    Swimsuit Top
    Size Sm
    $29.99
    66% off estimated retail
    DRESSFO Swimsuit Top (view 2)DRESSFO Swimsuit Top (view 1)
    View Product: DRESSFO Swimsuit Top

    DRESSFO

    Swimsuit Top
    Size Lg
    $9.99
    68% off estimated retail
    Unbranded Swimsuit Cover Up (view 2)Unbranded Swimsuit Cover Up (view 1)
    View Product: Unbranded Swimsuit Cover Up

    Unbranded

    Swimsuit Cover Up
    Size 2X Plus
    $14.99
    60% off estimated retail
    Blue Island Swimsuit Cover Up (view 2)Blue Island Swimsuit Cover Up (view 1)
    View Product: Blue Island Swimsuit Cover Up

    Blue Island

    Swimsuit Cover Up
    Size Lg
    $26.99
    50% off estimated retail
    San Lorenzo One Piece Swimsuit (view 2)San Lorenzo One Piece Swimsuit (view 1)Flawed Gem
    View Product: San Lorenzo One Piece Swimsuit

    San Lorenzo

    One Piece Swimsuit
    Size XL
    $36.99
    75% off estimated retail
    coastal blue Swimsuit Cover Up (view 2)coastal blue Swimsuit Cover Up (view 1)
    View Product: coastal blue Swimsuit Cover Up

    coastal blue

    Swimsuit Cover Up
    Size 1X Plus
    $25.99
    65% off estimated retail
    Cupshe Swimsuit Cover Up (view 2)Cupshe Swimsuit Cover Up (view 1)
    View Product: Cupshe Swimsuit Cover Up

    Cupshe

    Swimsuit Cover Up
    Size Med
    $18.99
    34% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)New With Tags
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size Sm
    $20.99
    44% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Lg
    $10.99
    56% off estimated retail
    Beachsissi Swimsuit Bottoms (view 2)Beachsissi Swimsuit Bottoms (view 1)
    View Product: Beachsissi Swimsuit Bottoms

    Beachsissi

    Swimsuit Bottoms
    Size Lg
    $10.99
    42% off estimated retail
    Cupshe One Piece Swimsuit (view 2)Cupshe One Piece Swimsuit (view 1)
    View Product: Cupshe One Piece Swimsuit

    Cupshe

    One Piece Swimsuit
    Size XXL
    $17.99
    37% off estimated retail
    Cupshe One Piece Swimsuit (view 2)Cupshe One Piece Swimsuit (view 1)
    View Product: Cupshe One Piece Swimsuit

    Cupshe

    One Piece Swimsuit
    Size Lg
    $20.99
    27% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Med
    $12.99
    48% off estimated retail
    Bleu Rod Beattie Swimsuit Top (view 2)Bleu Rod Beattie Swimsuit Top (view 1)New With Tags
    View Product: Bleu Rod Beattie Swimsuit Top

    Bleu Rod Beattie

    Swimsuit Top
    Size 8
    $25.99
    67% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Med
    $12.99
    48% off estimated retail
    Swim by Cacique Swimsuit Top (view 2)Swim by Cacique Swimsuit Top (view 1)
    View Product: Swim by Cacique Swimsuit Top

    Swim by Cacique

    Swimsuit Top
    Size XL
    $23.99
    52% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Med
    $14.99
    40% off estimated retail
    Cupshe Swimsuit Top (view 2)Cupshe Swimsuit Top (view 1)
    View Product: Cupshe Swimsuit Top

    Cupshe

    Swimsuit Top
    Size XS
    $9.99
    47% off estimated retail
    Cupshe Swimsuit Bottoms (view 2)Cupshe Swimsuit Bottoms (view 1)New With Tags
    View Product: Cupshe Swimsuit Bottoms

    Cupshe

    Swimsuit Bottoms
    Size 0X Plus
    $10.99
    42% off estimated retail
    Athleta Swimsuit Bottoms (view 2)Athleta Swimsuit Bottoms (view 1)
    View Product: Athleta Swimsuit Bottoms

    Athleta

    Swimsuit Bottoms
    Size Med
    $23.99
    59% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Lg
    $10.99
    56% off estimated retail
    tini bikini Swimsuit Top (view 2)tini bikini Swimsuit Top (view 1)New With Tags
    View Product: tini bikini Swimsuit Top

    tini bikini

    Swimsuit Top
    Size Med
    $10.99
    65% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Med
    $12.99
    48% off estimated retail
    Kim Rogers Swimsuit Cover Up (view 2)Kim Rogers Swimsuit Cover Up (view 1)
    View Product: Kim Rogers Swimsuit Cover Up

    Kim Rogers

    Swimsuit Cover Up
    Size Lg
    $16.99
    10% off estimated retail
    Kona Sol One Piece Swimsuit (view 2)Kona Sol One Piece Swimsuit (view 1)New With Tags
    View Product: Kona Sol One Piece Swimsuit

    Kona Sol

    One Piece Swimsuit
    Size Med
    $25.99
    31% off estimated retail
    Shein Swimsuit Cover Up (view 2)Shein Swimsuit Cover Up (view 1)
    View Product: Shein Swimsuit Cover Up

    Shein

    Swimsuit Cover Up
    Size 0X Plus
    NA-KD Swimsuit Cover Up (view 2)NA-KD Swimsuit Cover Up (view 1)
    View Product: NA-KD Swimsuit Cover Up

    NA-KD

    Swimsuit Cover Up
    Size Med
    $16.99
    55% off estimated retail
    Vineyard Vines Swimsuit Bottoms (view 2)Vineyard Vines Swimsuit Bottoms (view 1)New With Tags
    View Product: Vineyard Vines Swimsuit Bottoms

    Vineyard Vines

    Swimsuit Bottoms
    Size Lg
    $13.99
    51% off estimated retail

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