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.

938 items
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    Assorted Brands Swimsuit Bottoms (view 2)Assorted Brands Swimsuit Bottoms (view 1)
    View Product: Assorted Brands Swimsuit Bottoms

    Assorted Brands

    Swimsuit Bottoms
    Size 14
    $10.99
    56% off estimated retail
    C Apparel Swimsuit Bottoms (view 2)C Apparel Swimsuit Bottoms (view 1)
    View Product: C Apparel Swimsuit Bottoms

    C Apparel

    Swimsuit Bottoms
    Size Sm
    $13.99
    56% off estimated retail
    TYR One Piece Swimsuit (view 2)TYR One Piece Swimsuit (view 1)
    View Product: TYR One Piece Swimsuit

    TYR

    One Piece Swimsuit
    Size XXL
    $24.99
    56% off estimated retail
    Zeraca One Piece Swimsuit (view 2)Zeraca One Piece Swimsuit (view 1)
    View Product: Zeraca One Piece Swimsuit

    Zeraca

    One Piece Swimsuit
    Size Med
    $44.99
    66% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Rose Gal Swimsuit Top (view 2)Rose Gal Swimsuit Top (view 1)
    View Product: Rose Gal Swimsuit Top

    Rose Gal

    Swimsuit Top
    Size 2X Plus
    $20.99
    44% 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
    $10.99
    56% 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
    Dolfin One Piece Swimsuit (view 2)Dolfin One Piece Swimsuit (view 1)
    View Product: Dolfin One Piece Swimsuit

    Dolfin

    One Piece Swimsuit
    Size Sm
    $19.99
    47% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

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

    Topshop

    Swimsuit Top
    Size 8
    $15.99
    57% off estimated retail
    Baleaf Sports One Piece Swimsuit (view 2)Baleaf Sports One Piece Swimsuit (view 1)
    View Product: Baleaf Sports One Piece Swimsuit

    Baleaf Sports

    One Piece Swimsuit
    Size 42 eur
    $17.99 $19
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Sm
    $10.99
    60% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Sm
    $10.99
    60% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size Med
    $8.99
    43% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size Med
    $12.99
    18% 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 Lg
    $14.99
    44% off estimated retail
    Assorted Brands Swimsuit Bottoms (view 2)Assorted Brands Swimsuit Bottoms (view 1)
    View Product: Assorted Brands Swimsuit Bottoms

    Assorted Brands

    Swimsuit Bottoms
    Size Sm
    $10.99
    56% 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 Sm
    $11.99
    52% off estimated retail
    Kenneth Cole New York One Piece Swimsuit (view 2)Kenneth Cole New York One Piece Swimsuit (view 1)New With Tags
    View Product: Kenneth Cole New York One Piece Swimsuit

    Kenneth Cole New York

    One Piece Swimsuit
    Size Lg
    $25.99
    72% 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
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size Sm
    $9.99
    60% off estimated retail
    Rose Gal Swimsuit Top (view 2)Rose Gal Swimsuit Top (view 1)
    View Product: Rose Gal Swimsuit Top

    Rose Gal

    Swimsuit Top
    Size 3X Plus
    $15.99
    36% off estimated retail
    Jantzen One Piece Swimsuit (view 2)Jantzen One Piece Swimsuit (view 1)
    View Product: Jantzen One Piece Swimsuit

    Jantzen

    One Piece Swimsuit
    Size 6
    $21.99
    61% off estimated retail
    Catalina Swimsuit Bottoms (view 2)Catalina Swimsuit Bottoms (view 1)
    View Product: Catalina Swimsuit Bottoms

    Catalina

    Swimsuit Bottoms
    Size Med
    $11.99 $13
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 26 Plus
    $39.99
    45% off estimated retail
    a.n.a. A New Approach Swimsuit Top (view 2)a.n.a. A New Approach Swimsuit Top (view 1)
    View Product: a.n.a. A New Approach Swimsuit Top
    Size Med
    $12.99
    48% off estimated retail
    MICHAEL Michael Kors One Piece Swimsuit (view 2)MICHAEL Michael Kors One Piece Swimsuit (view 1)
    View Product: MICHAEL Michael Kors One Piece Swimsuit

    MICHAEL Michael Kors

    One Piece Swimsuit
    Size 8
    $49.99
    69% off estimated retail
    J.Crew Factory Store One Piece Swimsuit (view 2)J.Crew Factory Store One Piece Swimsuit (view 1)
    View Product: J.Crew Factory Store One Piece Swimsuit

    J.Crew Factory Store

    One Piece Swimsuit
    Size Sm
    $24.99
    70% off estimated retail
    Outdoor Voices Swimsuit Top (view 2)Outdoor Voices Swimsuit Top (view 1)
    View Product: Outdoor Voices Swimsuit Top

    Outdoor Voices

    Swimsuit Top
    Size Sm
    $27.99
    56% off estimated retail
    Maaji Swimsuit Top (view 2)Maaji Swimsuit Top (view 1)
    View Product: Maaji Swimsuit Top

    Maaji

    Swimsuit Top
    Size Lg
    $49.99
    43% off estimated retail
    Panache Swimsuit Bottoms (view 2)Panache Swimsuit Bottoms (view 1)
    View Product: Panache Swimsuit Bottoms

    Panache

    Swimsuit Bottoms
    Size XL
    $10.99
    15% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Lg
    $11.99
    60% 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 6
    $10.99
    56% off estimated retail
    Athleta Swimsuit Top (view 2)Athleta Swimsuit Top (view 1)
    View Product: Athleta Swimsuit Top

    Athleta

    Swimsuit Top
    Size Lg
    $30.99
    57% off estimated retail
    Miami Board Shorts (view 2)Miami Board Shorts (view 1)
    View Product: Miami Board Shorts

    Miami

    Board Shorts
    Size Sm
    $12.99
    48% off estimated retail
    Cherie Swimsuit Cover Up (view 2)Cherie Swimsuit Cover Up (view 1)
    View Product: Cherie Swimsuit Cover Up

    Cherie

    Swimsuit Cover Up
    Size XL
    $21.99
    65% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size Med
    $16.99
    32% off estimated retail
    Dolfin One Piece Swimsuit (view 2)Dolfin One Piece Swimsuit (view 1)
    View Product: Dolfin One Piece Swimsuit

    Dolfin

    One Piece Swimsuit
    Size XXS
    $12.99
    35% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

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

    Vestidos

    Swimsuit Top
    Size Sm
    $15.99
    36% off estimated retail
    Vestidos Swimsuit Bottoms (view 2)Vestidos Swimsuit Bottoms (view 1)
    View Product: Vestidos Swimsuit Bottoms

    Vestidos

    Swimsuit Bottoms
    Size Sm
    $15.99
    36% off estimated retail
    Zinke One Piece Swimsuit (view 2)Zinke One Piece Swimsuit (view 1)
    View Product: Zinke One Piece Swimsuit

    Zinke

    One Piece Swimsuit
    Size Sm
    $38.99
    70% off estimated retail
    Miken Swim Swimsuit Cover Up (view 2)Miken Swim Swimsuit Cover Up (view 1)
    View Product: Miken Swim Swimsuit Cover Up

    Miken Swim

    Swimsuit Cover Up
    Size XL
    $21.99
    52% off estimated retail
    Cheetah Swimsuit Bottoms (view 2)Cheetah Swimsuit Bottoms (view 1)
    View Product: Cheetah Swimsuit Bottoms

    Cheetah

    Swimsuit Bottoms
    Size Lg
    $11.99
    15% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 4X Plus
    $16.99
    44% off estimated retail
    Xhilaration One Piece Swimsuit (view 2)Xhilaration One Piece Swimsuit (view 1)
    View Product: Xhilaration One Piece Swimsuit

    Xhilaration

    One Piece Swimsuit
    Size Med
    $12.99
    31% 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
    $22.99
    39% off estimated retail
    Victoria's Secret Pink Swimsuit Bottoms (view 2)Victoria's Secret Pink Swimsuit Bottoms (view 1)
    View Product: Victoria's Secret Pink Swimsuit Bottoms

    Victoria's Secret Pink

    Swimsuit Bottoms
    Size XS
    $15.99
    36% off estimated retail
    Victoria's Secret Pink Swimsuit Top (view 2)Victoria's Secret Pink Swimsuit Top (view 1)
    View Product: Victoria's Secret Pink Swimsuit Top
    Size Med
    $15.99
    36% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size Lg
    $16.99
    32% 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
    $21.99
    31% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Med
    $15.99
    40% off estimated retail
    PrettyLittleThing Swimsuit Bottoms (view 2)PrettyLittleThing Swimsuit Bottoms (view 1)
    View Product: PrettyLittleThing Swimsuit Bottoms

    PrettyLittleThing

    Swimsuit Bottoms
    Size 6
    $16.99
    50% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)
    View Product: Aerie Swimsuit Top

    Aerie

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

    Zaful

    Swimsuit Bottoms
    Size 6
    $12.99
    48% off estimated retail
    Solid & Striped Swimsuit Bottoms (view 2)Solid & Striped Swimsuit Bottoms (view 1)
    View Product: Solid & Striped Swimsuit Bottoms

    Solid & Striped

    Swimsuit Bottoms
    Size Sm
    $30.99
    78% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Sm
    $13.99
    48% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Sm
    $13.99
    48% off estimated retail
    Old Navy Swimsuit Bottoms (view 2)Old Navy Swimsuit Bottoms (view 1)New With Tags
    View Product: Old Navy Swimsuit Bottoms

    Old Navy

    Swimsuit Bottoms
    Size 3X Plus
    $18.99
    28% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size Med
    $14.99
    40% off estimated retail
    ViX by Paula Hermanny Swimsuit Bottoms (view 2)ViX by Paula Hermanny Swimsuit Bottoms (view 1)
    View Product: ViX by Paula Hermanny Swimsuit Bottoms

    ViX by Paula Hermanny

    Swimsuit Bottoms
    Size Med
    $47.99
    65% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size Sm
    $13.99
    44% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size Sm
    $13.99
    44% off estimated retail
    Solid & Striped Swimsuit Top (view 2)Solid & Striped Swimsuit Top (view 1)
    View Product: Solid & Striped Swimsuit Top

    Solid & Striped

    Swimsuit Top
    Size Sm
    $40.99
    71% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $15.99
    48% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 1X Plus
    $21.99
    28% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size Lg
    $12.99
    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 Med
    $16.99
    44% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 6
    $6.99
    56% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size Sm
    $16.99
    55% off estimated retail
    Nike Swimsuit Bottoms (view 2)Nike Swimsuit Bottoms (view 1)New With Tags
    View Product: Nike Swimsuit Bottoms

    Nike

    Swimsuit Bottoms
    Size Sm
    $16.99
    46% off estimated retail
    Speedo Swimsuit Bottoms (view 2)Speedo Swimsuit Bottoms (view 1)
    View Product: Speedo Swimsuit Bottoms

    Speedo

    Swimsuit Bottoms
    Size Sm
    $16.99
    44% off estimated retail
    O'Neill Swimsuit Cover Up (view 2)O'Neill Swimsuit Cover Up (view 1)
    View Product: O'Neill Swimsuit Cover Up

    O'Neill

    Swimsuit Cover Up
    Size Med
    $17.99
    52% off estimated retail
    Fashion Nova One Piece Swimsuit (view 2)Fashion Nova One Piece Swimsuit (view 1)
    View Product: Fashion Nova One Piece Swimsuit

    Fashion Nova

    One Piece Swimsuit
    Size Med
    $12.99
    42% off estimated retail
    Fashion Nova One Piece Swimsuit (view 2)Fashion Nova One Piece Swimsuit (view 1)New With Tags
    View Product: Fashion Nova One Piece Swimsuit

    Fashion Nova

    One Piece Swimsuit
    Size 1X Plus
    $12.99
    42% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 8
    $12.99
    48% off estimated retail
    TYR One Piece Swimsuit (view 2)TYR One Piece Swimsuit (view 1)
    View Product: TYR One Piece Swimsuit

    TYR

    One Piece Swimsuit
    Size XXL
    $26.99
    61% off estimated retail
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 8
    $50.99
    46% off estimated retail
    Arena One Piece Swimsuit (view 2)Arena One Piece Swimsuit (view 1)
    View Product: Arena One Piece Swimsuit

    Arena

    One Piece Swimsuit
    Size 26 Plus
    Back
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