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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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86 items
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    Old Navy Swimsuit Top (view 2)Old Navy Swimsuit Top (view 1)
    View Product: Old Navy Swimsuit Top

    Old Navy

    Swimsuit Top
    Size XXL
    $12.99
    48% off estimated retail
    Old Navy Swimsuit Bottoms (view 2)Old Navy Swimsuit Bottoms (view 1)
    View Product: Old Navy Swimsuit Bottoms

    Old Navy

    Swimsuit Bottoms
    Size 2X Plus
    $12.99
    48% off estimated retail
    Old Navy Swimsuit Bottoms (view 2)Old Navy Swimsuit Bottoms (view 1)
    View Product: Old Navy Swimsuit Bottoms

    Old Navy

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

    Old Navy

    One Piece Swimsuit
    Size XL
    $12.99
    48% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    ABS One Piece Swimsuit (view 2)ABS One Piece Swimsuit (view 1)
    View Product: ABS One Piece Swimsuit

    ABS

    One Piece Swimsuit
    Size 8
    $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 Lg
    $10.99
    31% off estimated retail
    Lioness Swimsuit Top (view 2)Lioness Swimsuit Top (view 1)
    View Product: Lioness Swimsuit Top

    Lioness

    Swimsuit Top
    Size XXS
    $18.99
    50% 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
    Lascana Swimsuit Top (view 2)Lascana Swimsuit Top (view 1)
    View Product: Lascana Swimsuit Top

    Lascana

    Swimsuit Top
    Size 34 waist
    $9.99
    68% off estimated retail
    Lioness Swimsuit Bottoms (view 2)Lioness Swimsuit Bottoms (view 1)
    View Product: Lioness Swimsuit Bottoms

    Lioness

    Swimsuit Bottoms
    Size XXS
    $18.99
    50% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 14
    $26.99
    71% off estimated retail
    LoveShackFancy Swimsuit Bottoms (view 2)LoveShackFancy Swimsuit Bottoms (view 1)
    View Product: LoveShackFancy Swimsuit Bottoms

    LoveShackFancy

    Swimsuit Bottoms
    Size Sm
    $31.99
    79% off estimated retail
    P2F One Piece Swimsuit (view 2)P2F One Piece Swimsuit (view 1)
    View Product: P2F One Piece Swimsuit

    P2F

    One Piece Swimsuit
    Size XS
    $18.99
    60% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Lg
    $12.99
    48% off estimated retail
    Solid & Striped One Piece Swimsuit (view 2)Solid & Striped One Piece Swimsuit (view 1)
    View Product: Solid & Striped One Piece Swimsuit

    Solid & Striped

    One Piece Swimsuit
    Size Lg
    $41.99
    75% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

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

    Hapari Swimwear

    Swimsuit Top
    Size Lg
    $19.99
    60% 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
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

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

    Unbranded

    Swimsuit Top
    Size Lg
    $9.99
    60% 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
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Sm
    $9.99
    60% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size Sm
    $12.99
    18% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Sm
    $10.99
    56% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size Sm
    $17.99
    52% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XXL
    $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 1X Plus
    $12.99
    48% off estimated retail
    Shein One Piece Swimsuit (view 2)Shein One Piece Swimsuit (view 1)
    View Product: Shein One Piece Swimsuit

    Shein

    One Piece Swimsuit
    Size XS
    $13.99
    41% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Med
    $9.99
    60% off estimated retail
    Xhilaration Swimsuit Bottoms (view 2)Xhilaration Swimsuit Bottoms (view 1)
    View Product: Xhilaration Swimsuit Bottoms

    Xhilaration

    Swimsuit Bottoms
    Size Sm
    $9.99
    23% off estimated retail
    Forever 21 Swimsuit Top (view 2)Forever 21 Swimsuit Top (view 1)
    View Product: Forever 21 Swimsuit Top

    Forever 21

    Swimsuit Top
    Size Med
    $13.99
    30% off estimated retail
    Wild Fable Swimsuit Top (view 2)Wild Fable Swimsuit Top (view 1)
    View Product: Wild Fable Swimsuit Top

    Wild Fable

    Swimsuit Top
    Size Sm
    $8.99
    43% off estimated retail
    Wonder Nation Swimsuit Top (view 2)Wonder Nation Swimsuit Top (view 1)
    View Product: Wonder Nation Swimsuit Top

    Wonder Nation

    Swimsuit Top
    Size XXL
    $9.99
    23% 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
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size Med
    $11.99
    25% off estimated retail
    Maaji Swimsuit Bottoms (view 2)Maaji Swimsuit Bottoms (view 1)New With Tags
    View Product: Maaji Swimsuit Bottoms

    Maaji

    Swimsuit Bottoms
    Size Sm
    $19.99
    69% off estimated retail
    ASOS Two Piece Swimsuit (view 2)ASOS Two Piece Swimsuit (view 1)
    View Product: ASOS Two Piece Swimsuit

    ASOS

    Two Piece Swimsuit
    Size 0
    $20.99
    34% off estimated retail
    Old Navy Swimsuit Top (view 2)Old Navy Swimsuit Top (view 1)
    View Product: Old Navy Swimsuit Top

    Old Navy

    Swimsuit Top
    Size 2X Plus
    $14.99
    40% off estimated retail
    Billabong Swimsuit Bottoms (view 2)Billabong Swimsuit Bottoms (view 1)
    View Product: Billabong Swimsuit Bottoms

    Billabong

    Swimsuit Bottoms
    Size Sm
    $9.99
    60% off estimated retail
    ASOS Swimsuit Cover Up (view 2)ASOS Swimsuit Cover Up (view 1)
    View Product: ASOS Swimsuit Cover Up

    ASOS

    Swimsuit Cover Up
    Size 6
    $20.99
    56% off estimated retail
    Arena Swimsuit Top (view 2)Arena Swimsuit Top (view 1)
    View Product: Arena Swimsuit Top

    Arena

    Swimsuit Top
    Size Lg
    $17.99
    64% off estimated retail
    Old Navy Swimsuit Top (view 2)Old Navy Swimsuit Top (view 1)
    View Product: Old Navy Swimsuit Top

    Old Navy

    Swimsuit Top
    Size Sm
    $15.99
    36% off estimated retail
    White House Black Market Swimsuit Cover Up (view 2)White House Black Market Swimsuit Cover Up (view 1)
    View Product: White House Black Market Swimsuit Cover Up

    White House Black Market

    Swimsuit Cover Up
    Size One size
    $38.99
    56% off estimated retail
    Vitamin A Swimsuit Top (view 2)Vitamin A Swimsuit Top (view 1)
    View Product: Vitamin A Swimsuit Top

    Vitamin A

    Swimsuit Top
    Size 10
    $32.99
    71% off estimated retail
    Thrills Swimsuit Bottoms (view 2)Thrills Swimsuit Bottoms (view 1)
    View Product: Thrills Swimsuit Bottoms

    Thrills

    Swimsuit Bottoms
    Size Med
    $15.99
    68% off estimated retail
    Wonder Nation Swimsuit Bottoms (view 2)Wonder Nation Swimsuit Bottoms (view 1)
    View Product: Wonder Nation Swimsuit Bottoms

    Wonder Nation

    Swimsuit Bottoms
    Size 18 Plus
    $10.99
    15% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)New With Tags
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

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

    Maaji

    Swimsuit Top
    Size Med
    $25.99
    70% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 8
    $11.99
    52% 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
    $24.99
    34% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size Sm
    $12.99
    18% off estimated retail
    Jonathan Simkhai One Piece Swimsuit (view 2)Jonathan Simkhai One Piece Swimsuit (view 1)
    View Product: Jonathan Simkhai One Piece Swimsuit

    Jonathan Simkhai

    One Piece Swimsuit
    Size Lg
    $56.99
    75% off estimated retail
    Roxy Swimsuit Bottoms (view 2)Roxy Swimsuit Bottoms (view 1)
    View Product: Roxy Swimsuit Bottoms

    Roxy

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

    Zaful

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

    Esther Williams

    Swimsuit Top
    Size 16
    $18.99
    62% 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
    Unbranded Two Piece Swimsuit (view 2)Unbranded Two Piece Swimsuit (view 1)
    View Product: Unbranded Two Piece Swimsuit

    Unbranded

    Two Piece Swimsuit
    Size Sm
    $21.99
    42% off estimated retail
    Solid & Striped One Piece Swimsuit (view 2)Solid & Striped One Piece Swimsuit (view 1)
    View Product: Solid & Striped One Piece Swimsuit

    Solid & Striped

    One Piece Swimsuit
    Size XS
    $55.99
    67% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)New With Tags
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size Sm
    $23.99
    39% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size XS
    $10.99
    31% off estimated retail
    Swim by Cacique Swimsuit Bottoms (view 2)Swim by Cacique Swimsuit Bottoms (view 1)
    View Product: Swim by Cacique Swimsuit Bottoms

    Swim by Cacique

    Swimsuit Bottoms
    Size 24 Plus
    $18.99
    62% off estimated retail
    Gilly Hicks Swimsuit Top (view 2)Gilly Hicks Swimsuit Top (view 1)
    View Product: Gilly Hicks Swimsuit Top

    Gilly Hicks

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

    Seea

    Swimsuit Top
    Size Sm
    $19.99
    60% off estimated retail
    Salerno Swimsuit Top (view 2)Salerno Swimsuit Top (view 1)
    View Product: Salerno Swimsuit Top

    Salerno

    Swimsuit Top
    Size 38 eur
    $26.99
    69% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Lg
    $9.99
    60% off estimated retail
    petal + sea Swimsuit Top (view 2)petal + sea Swimsuit Top (view 1)New With Tags
    View Product: petal + sea Swimsuit Top

    petal + sea

    Swimsuit Top
    Size Med
    $30.99
    59% off estimated retail
    Old Navy Swimsuit Top (view 2)Old Navy Swimsuit Top (view 1)New With Tags
    View Product: Old Navy Swimsuit Top

    Old Navy

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

    Zaful

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

    Zaful

    Swimsuit Top
    Size Lg
    $14.99
    40% off estimated retail
    Hermoza One Piece Swimsuit (view 2)Hermoza One Piece Swimsuit (view 1)New With Tags
    View Product: Hermoza One Piece Swimsuit

    Hermoza

    One Piece Swimsuit
    Size 8
    $42.99
    71% 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
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size XS
    $10.99
    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 XL
    $10.99
    56% off estimated retail
    Lime Ricki Swimsuit Top (view 2)Lime Ricki Swimsuit Top (view 1)Rare Find
    View Product: Lime Ricki Swimsuit Top

    Lime Ricki

    Swimsuit Top
    Size Lg
    $17.99
    77% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Lg
    $9.99
    60% 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
    Unbranded Swimsuit Cover Up (view 2)Unbranded Swimsuit Cover Up (view 1)
    View Product: Unbranded Swimsuit Cover Up

    Unbranded

    Swimsuit Cover Up
    Size One size
    $12.99
    65% off estimated retail
    New York & Company Swimsuit Cover Up (view 2)New York & Company Swimsuit Cover Up (view 1)New With Tags
    View Product: New York & Company Swimsuit Cover Up

    New York & Company

    Swimsuit Cover Up
    Size XXL
    $22.99
    64% off estimated retail
    Tiger Mist Swimsuit Cover Up (view 2)Tiger Mist Swimsuit Cover Up (view 1)New With Tags
    View Product: Tiger Mist Swimsuit Cover Up

    Tiger Mist

    Swimsuit Cover Up
    Size XS
    $13.99
    70% off estimated retail
    Shade & Shore Swimsuit Top (view 2)Shade & Shore Swimsuit Top (view 1)
    View Product: Shade & Shore Swimsuit Top

    Shade & Shore

    Swimsuit Top
    Size Med
    $18.99
    40% 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 XXL
    $13.99
    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 XXL
    $13.99
    44% off estimated retail
    Shade & Shore Swimsuit Top (view 2)Shade & Shore Swimsuit Top (view 1)
    View Product: Shade & Shore Swimsuit Top

    Shade & Shore

    Swimsuit Top
    Size Med
    $10.99
    65% 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 Med
    $20.99
    27% 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 XS
    $26.99
    76% off estimated retail
    Wild Fable Swimsuit Top (view 2)Wild Fable Swimsuit Top (view 1)
    View Product: Wild Fable Swimsuit Top

    Wild Fable

    Swimsuit Top
    Size Med
    $11.99
    25% off estimated retail
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