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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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60 items
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    Tabitha Brown for Target One Piece Swimsuit (view 2)Tabitha Brown for Target One Piece Swimsuit (view 1)New With Tags
    View Product: Tabitha Brown for Target One Piece Swimsuit

    Tabitha Brown for Target

    One Piece Swimsuit
    Size 16
    $17.99
    59% off estimated retail
    Lauren by Ralph Lauren One Piece Swimsuit (view 2)Lauren by Ralph Lauren One Piece Swimsuit (view 1)
    View Product: Lauren by Ralph Lauren One Piece Swimsuit

    Lauren by Ralph Lauren

    One Piece Swimsuit
    Size 16
    $44.99
    65% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 16
    $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
    $23.99
    62% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Calia by Carrie Underwood One Piece Swimsuit (view 2)Calia by Carrie Underwood One Piece Swimsuit (view 1)
    View Product: Calia by Carrie Underwood One Piece Swimsuit

    Calia by Carrie Underwood

    One Piece Swimsuit
    Size 16
    $18.99
    60% 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 16
    $21.99
    61% off estimated retail
    Ava & Viv Swimsuit Bottoms (view 2)Ava & Viv Swimsuit Bottoms (view 1)
    View Product: Ava & Viv Swimsuit Bottoms

    Ava & Viv

    Swimsuit Bottoms
    Size 16
    $14.99
    40% off estimated retail
    La Blanca One Piece Swimsuit (view 2)La Blanca One Piece Swimsuit (view 1)
    View Product: La Blanca One Piece Swimsuit

    La Blanca

    One Piece Swimsuit
    Size 16
    $22.99
    59% off estimated retail
    Miraclesuit Swimsuit Top (view 2)Miraclesuit Swimsuit Top (view 1)
    View Product: Miraclesuit Swimsuit Top

    Miraclesuit

    Swimsuit Top
    Size 16
    $31.99
    57% off estimated retail
    Magicsuit Swimsuit Bottoms (view 2)Magicsuit Swimsuit Bottoms (view 1)
    View Product: Magicsuit Swimsuit Bottoms

    Magicsuit

    Swimsuit Bottoms
    Size 16
    $28.99
    61% off estimated retail
    Hilor Swimsuit Bottoms (view 2)Hilor Swimsuit Bottoms (view 1)
    View Product: Hilor Swimsuit Bottoms

    Hilor

    Swimsuit Bottoms
    Size 16
    $10.99
    42% off estimated retail
    Caribbean Joe Swimsuit Top (view 2)Caribbean Joe Swimsuit Top (view 1)
    View Product: Caribbean Joe Swimsuit Top

    Caribbean Joe

    Swimsuit Top
    Size 16
    $9.99
    47% off estimated retail
    Nike Swimsuit Top (view 2)Nike Swimsuit Top (view 1)
    View Product: Nike Swimsuit Top

    Nike

    Swimsuit Top
    Size 16
    $23.99
    52% 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
    $20.99
    67% 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 Plus
    $25.99
    59% 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
    La Blanca One Piece Swimsuit (view 2)La Blanca One Piece Swimsuit (view 1)
    View Product: La Blanca One Piece Swimsuit

    La Blanca

    One Piece Swimsuit
    Size 16
    $26.99
    52% off estimated retail
    Seekers Australia One Piece Swimsuit (view 2)Seekers Australia One Piece Swimsuit (view 1)
    View Product: Seekers Australia One Piece Swimsuit

    Seekers Australia

    One Piece Swimsuit
    Size 16
    $21.99
    54% off estimated retail
    Robby Lens Swimwear One Piece Swimsuit (view 2)Robby Lens Swimwear One Piece Swimsuit (view 1)
    View Product: Robby Lens Swimwear One Piece Swimsuit

    Robby Lens Swimwear

    One Piece Swimsuit
    Size 16
    $24.99
    56% off estimated retail
    Beach Lingo Two Piece Swimsuit (view 2)Beach Lingo Two Piece Swimsuit (view 1)
    View Product: Beach Lingo Two Piece Swimsuit

    Beach Lingo

    Two Piece Swimsuit
    Size 16
    $11.99
    36% off estimated retail
    Volcom One Piece Swimsuit (view 2)Volcom One Piece Swimsuit (view 1)
    View Product: Volcom One Piece Swimsuit

    Volcom

    One Piece Swimsuit
    Size 16
    $20.99
    44% off estimated retail
    Maxine One Piece Swimsuit (view 2)Maxine One Piece Swimsuit (view 1)
    View Product: Maxine One Piece Swimsuit

    Maxine

    One Piece Swimsuit
    Size 16
    $18.99
    34% off estimated retail
    Target Swimsuit Top (view 2)Target Swimsuit Top (view 1)
    View Product: Target Swimsuit Top

    Target

    Swimsuit Top
    Size 16
    $6.99
    46% off estimated retail
    J.Crew One Piece Swimsuit (view 2)J.Crew One Piece Swimsuit (view 1)New With Tags
    View Product: J.Crew One Piece Swimsuit

    J.Crew

    One Piece Swimsuit
    Size 16
    $31.99
    75% off estimated retail
    South Beach One Piece Swimsuit (view 2)South Beach One Piece Swimsuit (view 1)
    View Product: South Beach One Piece Swimsuit

    South Beach

    One Piece Swimsuit
    Size 16
    $17.99
    43% 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
    $26.99
    47% off estimated retail
    Chaps Swimsuit Bottoms (view 2)Chaps Swimsuit Bottoms (view 1)New With Tags
    View Product: Chaps Swimsuit Bottoms

    Chaps

    Swimsuit Bottoms
    Size 16
    $10.99
    56% off estimated retail
    Vanishing Act Swimsuit Top (view 2)Vanishing Act Swimsuit Top (view 1)New With Tags
    View Product: Vanishing Act Swimsuit Top

    Vanishing Act

    Swimsuit Top
    Size 16
    $27.99
    63% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)New With Tags
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 16
    $26.99
    71% 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 16
    $41.99
    42% off estimated retail
    Nip Tuck Swim Swimsuit Bottoms (view 2)Nip Tuck Swim Swimsuit Bottoms (view 1)
    View Product: Nip Tuck Swim Swimsuit Bottoms

    Nip Tuck Swim

    Swimsuit Bottoms
    Size 16
    $10.99
    56% 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
    Venus Swimsuit Top (view 2)Venus Swimsuit Top (view 1)
    View Product: Venus Swimsuit Top

    Venus

    Swimsuit Top
    Size 16
    $7.99
    57% 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 16
    $23.99
    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
    Jantzen One Piece Swimsuit (view 2)Jantzen One Piece Swimsuit (view 1)
    View Product: Jantzen One Piece Swimsuit

    Jantzen

    One Piece Swimsuit
    Size 16
    $25.99
    54% 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
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $24.99
    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
    $27.99
    56% 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
    $25.99
    59% off estimated retail
    Tabitha Brown for Target One Piece Swimsuit (view 2)Tabitha Brown for Target One Piece Swimsuit (view 1)
    View Product: Tabitha Brown for Target One Piece Swimsuit

    Tabitha Brown for Target

    One Piece Swimsuit
    Size 16
    $24.99
    37% off estimated retail
    Xhilaration Swimsuit Top (view 2)Xhilaration Swimsuit Top (view 1)New With Tags
    View Product: Xhilaration Swimsuit Top

    Xhilaration

    Swimsuit Top
    Size 16
    $14.99
    34% 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 16
    $23.99
    57% off estimated retail
    Kona Sol One Piece Swimsuit (view 2)Kona Sol One Piece Swimsuit (view 1)
    View Product: Kona Sol One Piece Swimsuit

    Kona Sol

    One Piece Swimsuit
    Size 16
    $25.99
    31% off estimated retail
    Venus Swimsuit Bottoms (view 2)Venus Swimsuit Bottoms (view 1)
    View Product: Venus Swimsuit Bottoms

    Venus

    Swimsuit Bottoms
    Size 16
    $13.99
    26% 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
    $21.99
    65% 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
    $21.99
    65% 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 16
    $27.99
    70% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)Flawed Gem
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $26.99
    57% off estimated retail
    Maxine of Hollywood One Piece Swimsuit (view 2)Maxine of Hollywood One Piece Swimsuit (view 1)
    View Product: Maxine of Hollywood One Piece Swimsuit

    Maxine of Hollywood

    One Piece Swimsuit
    Size 16
    $30.99
    59% off estimated retail
    Gerry Swimsuit Top (view 2)Gerry Swimsuit Top (view 1)
    View Product: Gerry Swimsuit Top

    Gerry

    Swimsuit Top
    Size 16
    $19.99
    60% off estimated retail
    La Blanca Swimsuit Bottoms (view 2)La Blanca Swimsuit Bottoms (view 1)
    View Product: La Blanca Swimsuit Bottoms

    La Blanca

    Swimsuit Bottoms
    Size 16
    $15.99
    57% 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 16
    $29.99
    68% 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 16
    $26.99
    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
    $24.99
    60% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 16
    $10.99
    56% off estimated retail
    Free Country Swimsuit Top (view 2)Free Country Swimsuit Top (view 1)
    View Product: Free Country Swimsuit Top

    Free Country

    Swimsuit Top
    Size 16
    $13.99
    44% 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 16
    $20.99
    44% off estimated retail
    Island Escape Swimsuit Bottoms (view 2)Island Escape Swimsuit Bottoms (view 1)
    View Product: Island Escape Swimsuit Bottoms

    Island Escape

    Swimsuit Bottoms
    Size 16
    $9.99
    23% off estimated retail
    Gottex Swimsuit Bottoms (view 2)Gottex Swimsuit Bottoms (view 1)
    View Product: Gottex Swimsuit Bottoms

    Gottex

    Swimsuit Bottoms
    Size 16
    $19.99
    73% off estimated retail
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