About
ThredUp LogoThredUp
Shop
SellCleanout animation
Beta
My ThredUp
Account
0

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.

New ArrivalsRemove filter34" WaistRemove filter29" WaistRemove filter
73 items
Sort by:
    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 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 Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)New With Tags
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $21.99
    65% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    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
    $28.99
    69% off estimated retail
    Athleta Swimsuit Top (view 2)Athleta Swimsuit Top (view 1)
    View Product: Athleta Swimsuit Top

    Athleta

    Swimsuit Top
    Size 16
    $28.99
    50% 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
    $45.99
    19% off estimated retail
    Raisins Swimsuit Cover Up (view 2)Raisins Swimsuit Cover Up (view 1)
    View Product: Raisins Swimsuit Cover Up

    Raisins

    Swimsuit Cover Up
    Size 16
    $13.99
    51% 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 16
    $13.99
    44% off estimated retail
    Maxine of Hollywood Swimsuit Top (view 2)Maxine of Hollywood Swimsuit Top (view 1)
    View Product: Maxine of Hollywood Swimsuit Top

    Maxine of Hollywood

    Swimsuit Top
    Size 16
    $21.99
    64% off estimated retail
    Gottex One Piece Swimsuit (view 2)Gottex One Piece Swimsuit (view 1)
    View Product: Gottex One Piece Swimsuit

    Gottex

    One Piece Swimsuit
    Size 16
    $37.99
    66% 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
    $8.99
    30% off estimated retail
    Cocoship Swimsuit Top (view 2)Cocoship Swimsuit Top (view 1)New With Tags
    View Product: Cocoship Swimsuit Top

    Cocoship

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

    Volcom

    Swimsuit Top
    Size 16
    $24.99
    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 16
    $19.99
    47% off estimated retail
    Shore Shapes Swimsuit Top (view 2)Shore Shapes Swimsuit Top (view 1)
    View Product: Shore Shapes Swimsuit Top

    Shore Shapes

    Swimsuit Top
    Size 16
    $13.99
    44% 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
    Tropical Escape Swimsuit Bottoms (view 2)Tropical Escape Swimsuit Bottoms (view 1)
    View Product: Tropical Escape Swimsuit Bottoms

    Tropical Escape

    Swimsuit Bottoms
    Size 16
    $14.99
    60% 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 16
    $12.99
    56% off estimated retail
    Relleciga Swimsuit Top (view 2)Relleciga Swimsuit Top (view 1)
    View Product: Relleciga Swimsuit Top

    Relleciga

    Swimsuit Top
    Size 16
    $32.99
    71% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 16
    $12.99
    48% 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
    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
    $29.99
    21% 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
    $35.99
    36% off estimated retail
    Island Escape Swimsuit Top (view 2)Island Escape Swimsuit Top (view 1)
    View Product: Island Escape Swimsuit Top

    Island Escape

    Swimsuit Top
    Size 16
    $10.99
    15% off estimated retail
    Ceeb Swimsuit Bottoms (view 2)Ceeb Swimsuit Bottoms (view 1)
    View Product: Ceeb Swimsuit Bottoms

    Ceeb

    Swimsuit Bottoms
    Size 16
    $19.99
    64% off estimated retail
    Ceeb Swimsuit Top (view 2)Ceeb Swimsuit Top (view 1)
    View Product: Ceeb Swimsuit Top

    Ceeb

    Swimsuit Top
    Size 16
    $22.99
    60% 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
    $42.99
    53% 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
    $20.99
    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
    $12.99
    48% 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
    $25.99
    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
    $24.99
    56% 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 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
    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
    Anne Cole One Piece Swimsuit (view 2)Anne Cole One Piece Swimsuit (view 1)
    View Product: Anne Cole One Piece Swimsuit

    Anne Cole

    One Piece Swimsuit
    Size 16
    $26.99
    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
    $26.99
    65% off estimated retail
    Boden Swimsuit Top (view 2)Boden Swimsuit Top (view 1)New With Tags
    View Product: Boden Swimsuit Top

    Boden

    Swimsuit Top
    Size 16
    $28.99
    46% off estimated retail
    Cocoship Swimsuit Top (view 2)Cocoship Swimsuit Top (view 1)
    View Product: Cocoship Swimsuit Top

    Cocoship

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

    ZeroXposur

    Swimsuit Top
    Size 16
    $22.99
    64% 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
    $18.99
    24% off estimated retail
    Profile by Gottex One Piece Swimsuit (view 2)Profile by Gottex One Piece Swimsuit (view 1)
    View Product: Profile by Gottex One Piece Swimsuit

    Profile by Gottex

    One Piece Swimsuit
    Size 16
    $48.99
    63% off estimated retail
    Xhilaration Swimsuit Top (view 2)Xhilaration Swimsuit Top (view 1)
    View Product: Xhilaration Swimsuit Top

    Xhilaration

    Swimsuit Top
    Size 16
    $7.99
    46% off estimated retail
    J.Crew One Piece Swimsuit (view 2)J.Crew One Piece Swimsuit (view 1)
    View Product: J.Crew One Piece Swimsuit

    J.Crew

    One Piece Swimsuit
    Size 16
    $41.99
    73% off estimated retail
    Beach Diva Swimsuit Bottoms (view 2)Beach Diva Swimsuit Bottoms (view 1)
    View Product: Beach Diva Swimsuit Bottoms

    Beach Diva

    Swimsuit Bottoms
    Size 16
    $10.99
    56% off estimated retail
    Aqua Green Swimsuit Bottoms (view 2)Aqua Green Swimsuit Bottoms (view 1)
    View Product: Aqua Green Swimsuit Bottoms

    Aqua Green

    Swimsuit Bottoms
    Size 16
    $16.99
    44% 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
    L.L.Bean Swimsuit Top (view 2)L.L.Bean Swimsuit Top (view 1)
    View Product: L.L.Bean Swimsuit Top

    L.L.Bean

    Swimsuit Top
    Size 16
    $16.99
    46% 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
    Style Swimsuit Top (view 2)Style Swimsuit Top (view 1)
    View Product: Style Swimsuit Top

    Style

    Swimsuit Top
    Size 16
    $9.99
    47% off estimated retail
    Anne Cole One Piece Swimsuit (view 2)Anne Cole One Piece Swimsuit (view 1)
    View Product: Anne Cole One Piece Swimsuit

    Anne Cole

    One Piece Swimsuit
    Size 16
    $35.99
    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
    $23.99
    62% 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
    $24.99
    51% off estimated retail
    SPANX One Piece Swimsuit (view 2)SPANX One Piece Swimsuit (view 1)New With Tags
    View Product: SPANX One Piece Swimsuit

    SPANX

    One Piece Swimsuit
    Size 16
    $84.99
    52% off estimated retail
    Cazimi Swimwear Swimsuit Bottoms (view 2)Cazimi Swimwear Swimsuit Bottoms (view 1)
    View Product: Cazimi Swimwear Swimsuit Bottoms

    Cazimi Swimwear

    Swimsuit Bottoms
    Size 16
    $14.99
    40% off estimated retail
    Krista Swimsuit Bottoms (view 2)Krista Swimsuit Bottoms (view 1)
    View Product: Krista Swimsuit Bottoms

    Krista

    Swimsuit Bottoms
    Size 16
    $10.99
    31% 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
    65% off estimated retail
    J.Crew Swimsuit Top (view 2)J.Crew Swimsuit Top (view 1)New With Tags
    View Product: J.Crew Swimsuit Top

    J.Crew

    Swimsuit Top
    Size 16
    $29.99
    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
    $22.99
    64% off estimated retail
    Swimsuits for all Board Shorts (view 2)Swimsuits for all Board Shorts (view 1)
    View Product: Swimsuits for all Board Shorts

    Swimsuits for all

    Board Shorts
    Size 16
    $22.99
    50% 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 Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $23.99
    62% off estimated retail
    Wild Fable Swimsuit Bottoms (view 2)Wild Fable Swimsuit Bottoms (view 1)New With Tags
    View Product: Wild Fable Swimsuit Bottoms

    Wild Fable

    Swimsuit Bottoms
    Size 16
    $12.99
    35% off estimated retail
    Anne Cole Swimsuit Cover Up (view 2)Anne Cole Swimsuit Cover Up (view 1)
    View Product: Anne Cole Swimsuit Cover Up

    Anne Cole

    Swimsuit Cover Up
    Size 16
    $38.99
    48% 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
    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
    Ava & Viv Swimsuit Top (view 2)Ava & Viv Swimsuit Top (view 1)
    View Product: Ava & Viv Swimsuit Top

    Ava & Viv

    Swimsuit Top
    Size 16
    $20.99
    30% 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
    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
    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
    $27.99
    59% off estimated retail
    Back
    1
    Next

    Loading...