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.

428 items
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    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 16
    $21.99
    56% off estimated retail
    Magicsuit Swimsuit Top (view 2)Magicsuit Swimsuit Top (view 1)New With Tags
    View Product: Magicsuit Swimsuit Top

    Magicsuit

    Swimsuit Top
    Size 16
    $29.99
    60% off estimated retail
    Miraclesuit Swimsuit Top (view 2)Miraclesuit Swimsuit Top (view 1)
    View Product: Miraclesuit Swimsuit Top

    Miraclesuit

    Swimsuit Top
    Size 16
    $25.99
    65% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 16
    $14.99
    40% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    FIGLEAVES Swimsuit Bottoms (view 2)FIGLEAVES Swimsuit Bottoms (view 1)New With Tags
    View Product: FIGLEAVES Swimsuit Bottoms

    FIGLEAVES

    Swimsuit Bottoms
    Size 16
    $13.99
    44% off estimated retail
    FIGLEAVES Swimsuit Bottoms (view 2)FIGLEAVES Swimsuit Bottoms (view 1)New With Tags
    View Product: FIGLEAVES Swimsuit Bottoms

    FIGLEAVES

    Swimsuit Bottoms
    Size 16
    $15.99
    36% off estimated retail
    Lauren by Ralph Lauren Swimsuit Top (view 2)Lauren by Ralph Lauren Swimsuit Top (view 1)
    View Product: Lauren by Ralph Lauren Swimsuit Top
    Size 16
    $31.99
    66% off estimated retail
    Profile by Gottex Swimsuit Bottoms (view 2)Profile by Gottex Swimsuit Bottoms (view 1)
    View Product: Profile by Gottex Swimsuit Bottoms

    Profile by Gottex

    Swimsuit Bottoms
    Size 16
    $26.99
    69% off estimated retail
    Maaji Swimsuit Top (view 2)Maaji Swimsuit Top (view 1)New With Tags
    View Product: Maaji Swimsuit Top

    Maaji

    Swimsuit Top
    Size 16
    $27.99
    68% off estimated retail
    Magicsuit Swimsuit Top (view 2)Magicsuit Swimsuit Top (view 1)
    View Product: Magicsuit Swimsuit Top

    Magicsuit

    Swimsuit Top
    Size 16
    $36.99
    51% 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 16
    $15.99
    36% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 16
    $13.99
    44% off estimated retail
    Swimsuits for all Swimsuit Top (view 2)Swimsuits for all Swimsuit Top (view 1)
    View Product: Swimsuits for all Swimsuit Top

    Swimsuits for all

    Swimsuit Top
    Size 16
    $16.99
    55% off estimated retail
    Swimsuits for all Swimsuit Bottoms (view 2)Swimsuits for all Swimsuit Bottoms (view 1)
    View Product: Swimsuits for all Swimsuit Bottoms

    Swimsuits for all

    Swimsuit Bottoms
    Size 16
    $15.99
    57% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $21.99
    65% off estimated retail
    Azul Swimsuit Top (view 2)Azul Swimsuit Top (view 1)
    View Product: Azul Swimsuit Top

    Azul

    Swimsuit Top
    Size 16
    $11.99 $13
    Swimsuits for all Swimsuit Bottoms (view 2)Swimsuits for all Swimsuit Bottoms (view 1)
    View Product: Swimsuits for all Swimsuit Bottoms

    Swimsuits for all

    Swimsuit Bottoms
    Size 16
    $15.99
    57% off estimated retail
    Ava & Viv Swimsuit Top (view 2)Ava & Viv Swimsuit Top (view 1)
    View Product: Ava & Viv Swimsuit Top

    Ava & Viv

    Swimsuit Top
    Size 16
    $15.99
    46% off estimated retail
    Beach Party Swimwear Swimsuit Top (view 2)Beach Party Swimwear Swimsuit Top (view 1)
    View Product: Beach Party Swimwear Swimsuit Top
    Size 16
    $9.99
    80% off estimated retail
    Juicy Couture Swimsuit Bottoms (view 2)Juicy Couture Swimsuit Bottoms (view 1)
    View Product: Juicy Couture Swimsuit Bottoms

    Juicy Couture

    Swimsuit Bottoms
    Size 16
    $41.99
    65% off estimated retail
    Islander Swimsuit Top (view 2)Islander Swimsuit Top (view 1)
    View Product: Islander Swimsuit Top

    Islander

    Swimsuit Top
    Size 16
    $10.99
    15% off estimated retail
    ZeroXposur Swimsuit Top (view 2)ZeroXposur Swimsuit Top (view 1)New With Tags
    View Product: ZeroXposur Swimsuit Top

    ZeroXposur

    Swimsuit Top
    Size 16
    $19.99
    68% off estimated retail
    City Chic Swimsuit Top (view 2)City Chic Swimsuit Top (view 1)
    View Product: City Chic Swimsuit Top

    City Chic

    Swimsuit Top
    Size 16 Plus
    $18.99
    69% 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
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $22.99
    64% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $23.99
    62% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $22.99
    64% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $21.99
    65% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $20.99
    67% off estimated retail
    Swimsuits for all Swimsuit Bottoms (view 2)Swimsuits for all Swimsuit Bottoms (view 1)
    View Product: Swimsuits for all Swimsuit Bottoms

    Swimsuits for all

    Swimsuit Bottoms
    Size 16
    $16.99
    55% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $26.99
    57% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $22.99
    64% off estimated retail
    InstantFigure Swimsuit Bottoms (view 2)InstantFigure Swimsuit Bottoms (view 1)
    View Product: InstantFigure Swimsuit Bottoms

    InstantFigure

    Swimsuit Bottoms
    Size 16
    $29.99
    70% 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 16
    $21.99
    56% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 16
    $13.99
    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 16
    $9.99
    60% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $26.99
    57% off estimated retail
    Swimsuits for all Swimsuit Top (view 2)Swimsuits for all Swimsuit Top (view 1)
    View Product: Swimsuits for all Swimsuit Top

    Swimsuits for all

    Swimsuit Top
    Size 16
    $14.99
    60% off estimated retail
    Swimsuits for all Swimsuit Top (view 2)Swimsuits for all Swimsuit Top (view 1)
    View Product: Swimsuits for all Swimsuit Top

    Swimsuits for all

    Swimsuit Top
    Size 16
    $12.99
    65% off estimated retail
    Avenue Swimsuit Bottoms (view 2)Avenue Swimsuit Bottoms (view 1)
    View Product: Avenue Swimsuit Bottoms

    Avenue

    Swimsuit Bottoms
    Size 30 Plus
    $14.99
    53% off estimated retail
    Eco Swim Swimsuit Top (view 2)Eco Swim Swimsuit Top (view 1)
    View Product: Eco Swim Swimsuit Top

    Eco Swim

    Swimsuit Top
    Size 16
    $24.99
    67% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16 Plus
    $26.99
    57% off estimated retail
    Avenue Swimsuit Top (view 2)Avenue Swimsuit Top (view 1)
    View Product: Avenue Swimsuit Top

    Avenue

    Swimsuit Top
    Size 16 Plus
    $20.99
    34% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $22.99
    64% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $25.99
    59% off estimated retail
    Ceeb Swimsuit Top (view 2)Ceeb Swimsuit Top (view 1)
    View Product: Ceeb Swimsuit Top

    Ceeb

    Swimsuit Top
    Size 16
    $21.99
    56% off estimated retail
    Cocoship Swimsuit Top (view 2)Cocoship Swimsuit Top (view 1)
    View Product: Cocoship Swimsuit Top

    Cocoship

    Swimsuit Top
    Size 16
    $12.99
    31% off estimated retail
    Adidas Swimsuit Bottoms (view 2)Adidas Swimsuit Bottoms (view 1)New With Tags
    View Product: Adidas Swimsuit Bottoms

    Adidas

    Swimsuit Bottoms
    Size 16
    $25.99
    49% off estimated retail
    ZeroXposur Swimsuit Bottoms (view 2)ZeroXposur Swimsuit Bottoms (view 1)
    View Product: ZeroXposur Swimsuit Bottoms

    ZeroXposur

    Swimsuit Bottoms
    Size 16
    $16.99
    73% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $15.99
    75% off estimated retail
    Swimsuits for all Swimsuit Top (view 2)Swimsuits for all Swimsuit Top (view 1)
    View Product: Swimsuits for all Swimsuit Top

    Swimsuits for all

    Swimsuit Top
    Size 30 Plus
    $23.99
    36% off estimated retail
    Liz Claiborne Swimsuit Top (view 2)Liz Claiborne Swimsuit Top (view 1)
    View Product: Liz Claiborne Swimsuit Top

    Liz Claiborne

    Swimsuit Top
    Size 16
    $25.99
    53% off estimated retail
    La Blanca Swimsuit Top (view 2)La Blanca Swimsuit Top (view 1)
    View Product: La Blanca Swimsuit Top

    La Blanca

    Swimsuit Top
    Size 16
    $18.99
    50% off estimated retail
    Shape FX Swimsuit Top (view 2)Shape FX Swimsuit Top (view 1)
    View Product: Shape FX Swimsuit Top

    Shape FX

    Swimsuit Top
    Size 16
    $16.99
    73% off estimated retail
    Apt. 9 Swimsuit Bottoms (view 2)Apt. 9 Swimsuit Bottoms (view 1)
    View Product: Apt. 9 Swimsuit Bottoms

    Apt. 9

    Swimsuit Bottoms
    Size 16
    $16.99
    60% off estimated retail
    Beach House Swimsuit Top (view 2)Beach House Swimsuit Top (view 1)
    View Product: Beach House Swimsuit Top

    Beach House

    Swimsuit Top
    Size 16
    $24.99
    51% off estimated retail
    Zelos Swimsuit Bottoms (view 2)Zelos Swimsuit Bottoms (view 1)
    View Product: Zelos Swimsuit Bottoms

    Zelos

    Swimsuit Bottoms
    Size 16
    $13.99
    63% off estimated retail
    Ava & Viv Swimsuit Top (view 2)Ava & Viv Swimsuit Top (view 1)
    View Product: Ava & Viv Swimsuit Top

    Ava & Viv

    Swimsuit Top
    Size 16
    $12.99
    56% off estimated retail
    Jantzen Swimsuit Top (view 2)Jantzen Swimsuit Top (view 1)
    View Product: Jantzen Swimsuit Top

    Jantzen

    Swimsuit Top
    Size 16
    $16.99
    55% off estimated retail
    St. John's Bay Swimsuit Top (view 2)St. John's Bay Swimsuit Top (view 1)
    View Product: St. John's Bay Swimsuit Top

    St. John's Bay

    Swimsuit Top
    Size 16
    $11.99
    52% 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 16
    $12.99
    48% off estimated retail
    Draper James X Land's End Swimsuit Bottoms (view 2)Draper James X Land's End Swimsuit Bottoms (view 1)
    View Product: Draper James X Land's End Swimsuit Bottoms
    Size 16
    $10.99
    56% off estimated retail
    Beach House Swimsuit Top (view 2)Beach House Swimsuit Top (view 1)
    View Product: Beach House Swimsuit Top

    Beach House

    Swimsuit Top
    Size 16
    $25.99
    49% off estimated retail
    Chadwicks Swimsuit Top (view 2)Chadwicks Swimsuit Top (view 1)
    View Product: Chadwicks Swimsuit Top

    Chadwicks

    Swimsuit Top
    Size 16
    $10.99
    42% off estimated retail
    Swimsuits for all Swimsuit Top (view 2)Swimsuits for all Swimsuit Top (view 1)New With Tags
    View Product: Swimsuits for all Swimsuit Top

    Swimsuits for all

    Swimsuit Top
    Size 30 Plus
    $17.99
    52% off estimated retail

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