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.

475 items
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    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
    $22.99
    54% off estimated retail
    Athena Swimsuit Top (view 2)Athena Swimsuit Top (view 1)New With Tags
    View Product: Athena Swimsuit Top

    Athena

    Swimsuit Top
    Size 16
    $12.99
    59% off estimated retail
    Delta Burke Swimsuit Top (view 2)Delta Burke Swimsuit Top (view 1)New With Tags
    View Product: Delta Burke Swimsuit Top

    Delta Burke

    Swimsuit Top
    Size 16
    $13.99
    56% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)New With Tags
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 16
    $43.99
    39% off estimated retail
    Croft & Barrow Swimsuit Top (view 2)Croft & Barrow Swimsuit Top (view 1)
    View Product: Croft & Barrow Swimsuit Top

    Croft & Barrow

    Swimsuit Top
    Size 16
    $13.99
    12% 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
    La Blanca One Piece Swimsuit (view 2)La Blanca One Piece Swimsuit (view 1)New With Tags
    View Product: La Blanca One Piece Swimsuit

    La Blanca

    One Piece Swimsuit
    Size 16
    $27.99
    50% 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 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
    Miraclesuit One Piece Swimsuit (view 2)Miraclesuit One Piece Swimsuit (view 1)
    View Product: Miraclesuit One Piece Swimsuit

    Miraclesuit

    One Piece Swimsuit
    Size 16
    $40.99
    64% off estimated retail
    Gabar One Piece Swimsuit (view 2)Gabar One Piece Swimsuit (view 1)
    View Product: Gabar One Piece Swimsuit

    Gabar

    One Piece Swimsuit
    Size 16
    $27.99
    50% 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
    $29.99
    60% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 16
    $14.99
    40% 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
    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
    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 16
    $19.99
    47% off estimated retail
    Gabar One Piece Swimsuit (view 2)Gabar One Piece Swimsuit (view 1)
    View Product: Gabar One Piece Swimsuit

    Gabar

    One Piece Swimsuit
    Size 16
    $20.99
    63% 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
    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
    $29.99
    60% 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
    Sea Level Australia One Piece Swimsuit (view 2)Sea Level Australia One Piece Swimsuit (view 1)
    View Product: Sea Level Australia One Piece Swimsuit

    Sea Level Australia

    One Piece Swimsuit
    Size 16
    $41.99
    55% 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
    D&Co. One Piece Swimsuit (view 2)D&Co. One Piece Swimsuit (view 1)
    View Product: D&Co. One Piece Swimsuit

    D&Co.

    One Piece Swimsuit
    Size 16
    $17.99 $19
    Swim by Cacique Rash Guard (view 2)Swim by Cacique Rash Guard (view 1)
    View Product: Swim by Cacique Rash Guard

    Swim by Cacique

    Rash Guard
    Size 16
    $30.99
    59% 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
    $34.99
    38% 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
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 16
    $45.99
    37% off estimated retail
    City Chic One Piece Swimsuit (view 2)City Chic One Piece Swimsuit (view 1)New With Tags
    View Product: City Chic One Piece Swimsuit

    City Chic

    One Piece Swimsuit
    Size 16 Plus
    $36.99
    61% 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
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 16
    $42.99
    41% off estimated retail
    Roots One Piece Swimsuit (view 2)Roots One Piece Swimsuit (view 1)Flawed Gem
    View Product: Roots One Piece Swimsuit

    Roots

    One Piece Swimsuit
    Size 16
    $11.99
    36% 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
    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
    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 16
    $8.99
    47% off estimated retail
    Miraclesuit One Piece Swimsuit (view 2)Miraclesuit One Piece Swimsuit (view 1)New With Tags
    View Product: Miraclesuit One Piece Swimsuit

    Miraclesuit

    One Piece Swimsuit
    Size 16
    $63.99
    61% 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
    $30.99
    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
    $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
    Swimsuits for all One Piece Swimsuit (view 2)Swimsuits for all One Piece Swimsuit (view 1)
    View Product: Swimsuits for all One Piece Swimsuit

    Swimsuits for all

    One Piece Swimsuit
    Size 16
    $22.99
    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
    $20.99
    67% off estimated retail
    Miraclesuit One Piece Swimsuit (view 2)Miraclesuit One Piece Swimsuit (view 1)
    View Product: Miraclesuit One Piece Swimsuit

    Miraclesuit

    One Piece Swimsuit
    Size 16
    $42.99
    62% 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
    Dippin Daisy's Swimwear One Piece Swimsuit (view 2)Dippin Daisy's Swimwear One Piece Swimsuit (view 1)
    View Product: Dippin Daisy's Swimwear One Piece Swimsuit

    Dippin Daisy's Swimwear

    One Piece Swimsuit
    Size 16
    $23.99
    57% 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
    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
    $31.99
    66% off estimated retail
    Miraclesuit One Piece Swimsuit (view 2)Miraclesuit One Piece Swimsuit (view 1)
    View Product: Miraclesuit One Piece Swimsuit

    Miraclesuit

    One Piece Swimsuit
    Size 16
    $40.99
    64% 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 Plus
    $24.99
    56% off estimated retail
    DOBREVA One Piece Swimsuit (view 2)DOBREVA One Piece Swimsuit (view 1)
    View Product: DOBREVA One Piece Swimsuit

    DOBREVA

    One Piece Swimsuit
    Size 16
    $16.99
    55% 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
    Calvin Klein One Piece Swimsuit (view 2)Calvin Klein One Piece Swimsuit (view 1)
    View Product: Calvin Klein One Piece Swimsuit

    Calvin Klein

    One Piece Swimsuit
    Size 16
    $37.99
    72% 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
    Tommy Bahama One Piece Swimsuit (view 2)Tommy Bahama One Piece Swimsuit (view 1)
    View Product: Tommy Bahama One Piece Swimsuit

    Tommy Bahama

    One Piece Swimsuit
    Size 16
    $20.99
    63% 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
    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
    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
    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
    Tropical Escape One Piece Swimsuit (view 2)Tropical Escape One Piece Swimsuit (view 1)
    View Product: Tropical Escape One Piece Swimsuit

    Tropical Escape

    One Piece Swimsuit
    Size 16
    $20.99
    63% off estimated retail
    Lands' End Swimsuit Cover Up (view 2)Lands' End Swimsuit Cover Up (view 1)
    View Product: Lands' End Swimsuit Cover Up

    Lands' End

    Swimsuit Cover Up
    Size 16
    $25.99
    59% off estimated retail
    Gloria Vanderbilt One Piece Swimsuit (view 2)Gloria Vanderbilt One Piece Swimsuit (view 1)
    View Product: Gloria Vanderbilt One Piece Swimsuit

    Gloria Vanderbilt

    One Piece Swimsuit
    Size 16
    $17.99
    52% off estimated retail
    Avenue Swimsuit Top (view 2)Avenue Swimsuit Top (view 1)
    View Product: Avenue Swimsuit Top

    Avenue

    Swimsuit Top
    Size 16 Plus
    $19.99
    37% off estimated retail
    Boohoo One Piece Swimsuit (view 2)Boohoo One Piece Swimsuit (view 1)
    View Product: Boohoo One Piece Swimsuit

    Boohoo

    One Piece Swimsuit
    Size 16
    $16.99
    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
    $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
    $19.99
    60% off estimated retail
    Cocoship Swimsuit Top (view 2)Cocoship Swimsuit Top (view 1)
    View Product: Cocoship Swimsuit Top

    Cocoship

    Swimsuit Top
    Size 16
    $11.99
    36% 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
    $23.99
    52% off estimated retail
    ZeroXposur Swimsuit Bottoms (view 2)ZeroXposur Swimsuit Bottoms (view 1)
    View Product: ZeroXposur Swimsuit Bottoms

    ZeroXposur

    Swimsuit Bottoms
    Size 16
    $15.99
    75% 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
    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

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