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.

1,207 items
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    Shade & Shore Swimsuit Top (view 2)Shade & Shore Swimsuit Top (view 1)
    View Product: Shade & Shore Swimsuit Top

    Shade & Shore

    Swimsuit Top
    Size Lg
    $17.99
    43% off estimated retail
    Kona Sol Swimsuit Bottoms (view 2)Kona Sol Swimsuit Bottoms (view 1)
    View Product: Kona Sol Swimsuit Bottoms

    Kona Sol

    Swimsuit Bottoms
    Size Med
    $14.99
    40% off estimated retail
    Tularosa Two Piece Swimsuit (view 2)Tularosa Two Piece Swimsuit (view 1)
    View Product: Tularosa Two Piece Swimsuit

    Tularosa

    Two Piece Swimsuit
    Size Lg
    $21.99
    80% off estimated retail
    LA Hearts Swimsuit Top (view 2)LA Hearts Swimsuit Top (view 1)
    View Product: LA Hearts Swimsuit Top

    LA Hearts

    Swimsuit Top
    Size Sm
    $13.99
    44% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Aerie One Piece Swimsuit (view 2)Aerie One Piece Swimsuit (view 1)
    View Product: Aerie One Piece Swimsuit

    Aerie

    One Piece Swimsuit
    Size Sm
    $20.99
    44% off estimated retail
    Eberjey Swimsuit Top (view 2)Eberjey Swimsuit Top (view 1)New With Tags
    View Product: Eberjey Swimsuit Top

    Eberjey

    Swimsuit Top
    Size Sm
    $29.99
    53% off estimated retail
    Princess Polly One Piece Swimsuit (view 2)Princess Polly One Piece Swimsuit (view 1)
    View Product: Princess Polly One Piece Swimsuit

    Princess Polly

    One Piece Swimsuit
    Size 6
    $13.99
    63% off estimated retail
    Melissa Odabash Swimsuit Top (view 2)Melissa Odabash Swimsuit Top (view 1)
    View Product: Melissa Odabash Swimsuit Top

    Melissa Odabash

    Swimsuit Top
    Size 12
    $28.99
    74% off estimated retail
    J.Crew Swimsuit Bottoms (view 2)J.Crew Swimsuit Bottoms (view 1)
    View Product: J.Crew Swimsuit Bottoms

    J.Crew

    Swimsuit Bottoms
    Size Med
    $20.99
    61% off estimated retail
    For Love & Lemons Swimsuit Top (view 2)For Love & Lemons Swimsuit Top (view 1)
    View Product: For Love & Lemons Swimsuit Top

    For Love & Lemons

    Swimsuit Top
    Size Sm
    $31.99
    72% off estimated retail
    J.Crew Factory Store One Piece Swimsuit (view 2)J.Crew Factory Store One Piece Swimsuit (view 1)
    View Product: J.Crew Factory Store One Piece Swimsuit

    J.Crew Factory Store

    One Piece Swimsuit
    Size Med
    $19.99
    71% 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 Lg
    $19.99
    47% 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 3X Plus
    $16.99
    55% off estimated retail
    Florabella Swimsuit Cover Up (view 2)Florabella Swimsuit Cover Up (view 1)
    View Product: Florabella Swimsuit Cover Up

    Florabella

    Swimsuit Cover Up
    Size XS
    $54.99
    82% off estimated retail
    Xhilaration Swimsuit Top (view 2)Xhilaration Swimsuit Top (view 1)
    View Product: Xhilaration Swimsuit Top

    Xhilaration

    Swimsuit Top
    Size Sm
    $10.99
    15% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size Sm
    $12.99
    48% off estimated retail
    Forever 21 Swimsuit Bottoms (view 2)Forever 21 Swimsuit Bottoms (view 1)New With Tags
    View Product: Forever 21 Swimsuit Bottoms

    Forever 21

    Swimsuit Bottoms
    Size Lg
    $8.99
    50% off estimated retail
    Modli Swimsuit Top (view 2)Modli Swimsuit Top (view 1)New With Tags
    View Product: Modli Swimsuit Top

    Modli

    Swimsuit Top
    Size XL
    $20.99
    47% off estimated retail
    Dolce Vita Swimsuit Bottoms (view 2)Dolce Vita Swimsuit Bottoms (view 1)New With Tags
    View Product: Dolce Vita Swimsuit Bottoms

    Dolce Vita

    Swimsuit Bottoms
    Size Med
    $11.99
    52% off estimated retail
    H&M Swimsuit Top (view 2)H&M Swimsuit Top (view 1)
    View Product: H&M Swimsuit Top

    H&M

    Swimsuit Top
    Size 4
    $15.99
    20% off estimated retail
    TAN + LINES Swimsuit Bottoms (view 2)TAN + LINES Swimsuit Bottoms (view 1)New With Tags
    View Product: TAN + LINES Swimsuit Bottoms

    TAN + LINES

    Swimsuit Bottoms
    Size Lg
    $37.99
    62% off estimated retail
    Beach Riot Swimsuit Bottoms (view 2)Beach Riot Swimsuit Bottoms (view 1)
    View Product: Beach Riot Swimsuit Bottoms

    Beach Riot

    Swimsuit Bottoms
    Size Lg
    $28.99
    67% off estimated retail
    San Lorenzo Swimsuit Top (view 2)San Lorenzo Swimsuit Top (view 1)New With Tags
    View Product: San Lorenzo Swimsuit Top

    San Lorenzo

    Swimsuit Top
    Size Med
    $26.99
    73% 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 10
    $25.99
    54% off estimated retail
    SKIMS Swimsuit Bottoms (view 2)SKIMS Swimsuit Bottoms (view 1)
    View Product: SKIMS Swimsuit Bottoms

    SKIMS

    Swimsuit Bottoms
    Size Lg
    $16.99
    55% off estimated retail
    L Space Swimsuit Bottoms (view 2)L Space Swimsuit Bottoms (view 1)
    View Product: L Space Swimsuit Bottoms

    L Space

    Swimsuit Bottoms
    Size Lg
    $23.99
    62% off estimated retail
    J.Crew Swimsuit Bottoms (view 2)J.Crew Swimsuit Bottoms (view 1)
    View Product: J.Crew Swimsuit Bottoms

    J.Crew

    Swimsuit Bottoms
    Size Med
    $18.99
    65% off estimated retail
    LeyenDecker Swimsuit Cover Up (view 2)LeyenDecker Swimsuit Cover Up (view 1)
    View Product: LeyenDecker Swimsuit Cover Up

    LeyenDecker

    Swimsuit Cover Up
    Size 4
    $64.99
    71% off estimated retail
    Athleta Swimsuit Bottoms (view 2)Athleta Swimsuit Bottoms (view 1)
    View Product: Athleta Swimsuit Bottoms

    Athleta

    Swimsuit Bottoms
    Size Med
    $23.99
    59% off estimated retail
    BECCA® by Rebecca Virtue Swimsuit Bottoms (view 2)BECCA® by Rebecca Virtue Swimsuit Bottoms (view 1)
    View Product: BECCA® by Rebecca Virtue Swimsuit Bottoms
    Size Lg
    $21.99
    65% off estimated retail
    Maaji Swimsuit Bottoms (view 2)Maaji Swimsuit Bottoms (view 1)
    View Product: Maaji Swimsuit Bottoms

    Maaji

    Swimsuit Bottoms
    Size Lg
    $26.99
    69% off estimated retail
    Maaji Swimsuit Bottoms (view 2)Maaji Swimsuit Bottoms (view 1)
    View Product: Maaji Swimsuit Bottoms

    Maaji

    Swimsuit Bottoms
    Size Lg
    $24.99
    71% off estimated retail
    Maaji Swimsuit Bottoms (view 2)Maaji Swimsuit Bottoms (view 1)
    View Product: Maaji Swimsuit Bottoms

    Maaji

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

    Lounge

    Swimsuit Bottoms
    Size Lg
    $11.99
    62% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size Med
    $11.99
    25% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size Med
    $13.99
    12% off estimated retail
    Ella Moss Swimsuit Bottoms (view 2)Ella Moss Swimsuit Bottoms (view 1)
    View Product: Ella Moss Swimsuit Bottoms

    Ella Moss

    Swimsuit Bottoms
    Size Sm
    $20.99
    63% off estimated retail
    Shade & Shore Swimsuit Bottoms (view 2)Shade & Shore Swimsuit Bottoms (view 1)
    View Product: Shade & Shore Swimsuit Bottoms

    Shade & Shore

    Swimsuit Bottoms
    Size Lg
    $14.99
    53% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size Med
    $13.99
    44% off estimated retail
    Victoria's Secret Swimsuit Bottoms (view 2)Victoria's Secret Swimsuit Bottoms (view 1)
    View Product: Victoria's Secret Swimsuit Bottoms

    Victoria's Secret

    Swimsuit Bottoms
    Size Lg
    $12.99
    59% off estimated retail
    Andie Swimsuit Bottoms (view 2)Andie Swimsuit Bottoms (view 1)
    View Product: Andie Swimsuit Bottoms

    Andie

    Swimsuit Bottoms
    Size Med
    $29.99
    60% off estimated retail
    Chelsea & Violet Two Piece Swimsuit (view 2)Chelsea & Violet Two Piece Swimsuit (view 1)
    View Product: Chelsea & Violet Two Piece Swimsuit

    Chelsea & Violet

    Two Piece Swimsuit
    Size Med
    $18.99
    75% off estimated retail
    Fashion Nova Swimsuit Top (view 2)Fashion Nova Swimsuit Top (view 1)New With Tags
    View Product: Fashion Nova Swimsuit Top

    Fashion Nova

    Swimsuit Top
    Size XS
    $8.99
    30% off estimated retail
    Mikoh Swimsuit Top (view 2)Mikoh Swimsuit Top (view 1)
    View Product: Mikoh Swimsuit Top

    Mikoh

    Swimsuit Top
    Size Med
    $19.99
    73% 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 XL
    $10.99
    56% off estimated retail
    H&M Swimsuit Bottoms (view 2)H&M Swimsuit Bottoms (view 1)
    View Product: H&M Swimsuit Bottoms

    H&M

    Swimsuit Bottoms
    Size 2
    $9.99
    28% off estimated retail
    Xhilaration Swimsuit Top (view 2)Xhilaration Swimsuit Top (view 1)
    View Product: Xhilaration Swimsuit Top

    Xhilaration

    Swimsuit Top
    Size XL
    $10.99
    15% off estimated retail
    Nicholas One Piece Swimsuit (view 2)Nicholas One Piece Swimsuit (view 1)New With Tags
    View Product: Nicholas One Piece Swimsuit

    Nicholas

    One Piece Swimsuit
    Size Med
    $101.99
    57% off estimated retail
    Athleta Board Shorts (view 2)Athleta Board Shorts (view 1)
    View Product: Athleta Board Shorts

    Athleta

    Board Shorts
    Size Med
    $26.99
    54% off estimated retail
    J.Crew Factory Store Swimsuit Bottoms (view 2)J.Crew Factory Store Swimsuit Bottoms (view 1)
    View Product: J.Crew Factory Store Swimsuit Bottoms

    J.Crew Factory Store

    Swimsuit Bottoms
    Size Med
    $13.99
    65% off estimated retail
    Basta Surf One Piece Swimsuit (view 2)Basta Surf One Piece Swimsuit (view 1)
    View Product: Basta Surf One Piece Swimsuit

    Basta Surf

    One Piece Swimsuit
    Size 6
    $44.99
    70% off estimated retail
    Onia Swimsuit Bottoms (view 2)Onia Swimsuit Bottoms (view 1)
    View Product: Onia Swimsuit Bottoms

    Onia

    Swimsuit Bottoms
    Size Sm
    $28.99
    65% off estimated retail
    Tavik Swimwear Swimsuit Bottoms (view 2)Tavik Swimwear Swimsuit Bottoms (view 1)New With Tags
    View Product: Tavik Swimwear Swimsuit Bottoms

    Tavik Swimwear

    Swimsuit Bottoms
    Size Med
    $29.99
    66% off estimated retail
    Tavik Swimwear Swimsuit Top (view 2)Tavik Swimwear Swimsuit Top (view 1)New With Tags
    View Product: Tavik Swimwear Swimsuit Top

    Tavik Swimwear

    Swimsuit Top
    Size Lg
    $29.99
    66% off estimated retail
    Triangl Swimsuit Bottoms (view 2)Triangl Swimsuit Bottoms (view 1)
    View Product: Triangl Swimsuit Bottoms

    Triangl

    Swimsuit Bottoms
    Size Sm
    $13.99
    78% off estimated retail
    Moonlight Swimsuit Bottoms (view 2)Moonlight Swimsuit Bottoms (view 1)
    View Product: Moonlight Swimsuit Bottoms

    Moonlight

    Swimsuit Bottoms
    Size Lg
    $11.99
    36% off estimated retail
    Xhilaration Swimsuit Bottoms (view 2)Xhilaration Swimsuit Bottoms (view 1)
    View Product: Xhilaration Swimsuit Bottoms

    Xhilaration

    Swimsuit Bottoms
    Size XL
    $6.99
    46% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

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

    Unbranded

    Swimsuit Bottoms
    Size XS
    $12.99
    48% off estimated retail
    O'Neill Swimsuit Bottoms (view 2)O'Neill Swimsuit Bottoms (view 1)
    View Product: O'Neill Swimsuit Bottoms

    O'Neill

    Swimsuit Bottoms
    Size Med
    $12.99
    48% off estimated retail
    Tavik Swimwear Swimsuit Top (view 2)Tavik Swimwear Swimsuit Top (view 1)New With Tags
    View Product: Tavik Swimwear Swimsuit Top

    Tavik Swimwear

    Swimsuit Top
    Size XS
    $31.99
    64% off estimated retail
    LA Hearts Swimsuit Top (view 2)LA Hearts Swimsuit Top (view 1)
    View Product: LA Hearts Swimsuit Top

    LA Hearts

    Swimsuit Top
    Size XS
    $10.99
    56% off estimated retail
    L Space Swimsuit Top (view 2)L Space Swimsuit Top (view 1)
    View Product: L Space Swimsuit Top

    L Space

    Swimsuit Top
    Size Med
    $17.99
    71% off estimated retail
    Shore Shapes One Piece Swimsuit (view 2)Shore Shapes One Piece Swimsuit (view 1)
    View Product: Shore Shapes One Piece Swimsuit

    Shore Shapes

    One Piece Swimsuit
    Size 10
    $22.99
    39% off estimated retail
    Camila Coelho One Piece Swimsuit (view 2)Camila Coelho One Piece Swimsuit (view 1)
    View Product: Camila Coelho One Piece Swimsuit

    Camila Coelho

    One Piece Swimsuit
    Size Lg
    $44.99
    70% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size Med
    $15.99
    36% off estimated retail
    Nasty Gal Inc. One Piece Swimsuit (view 2)Nasty Gal Inc. One Piece Swimsuit (view 1)
    View Product: Nasty Gal Inc. One Piece Swimsuit

    Nasty Gal Inc.

    One Piece Swimsuit
    Size 8
    $19.99
    82% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 1X Plus
    $10.99
    56% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)
    View Product: Aerie Swimsuit Top

    Aerie

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

    Tavik Swimwear

    Swimsuit Top
    Size XS
    $26.99
    69% off estimated retail
    Dippin Daisy's Swimwear Swimsuit Top (view 2)Dippin Daisy's Swimwear Swimsuit Top (view 1)
    View Product: Dippin Daisy's Swimwear Swimsuit Top
    Size Sm
    $13.99
    63% off estimated retail
    Suit Yourself! Swimsuit Bottoms (view 2)Suit Yourself! Swimsuit Bottoms (view 1)
    View Product: Suit Yourself! Swimsuit Bottoms

    Suit Yourself!

    Swimsuit Bottoms
    Size 16
    $8.99
    30% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Lg
    $11.99
    52% off estimated retail
    Abercrombie & Fitch Swimsuit Top (view 2)Abercrombie & Fitch Swimsuit Top (view 1)
    View Product: Abercrombie & Fitch Swimsuit Top
    Size Med
    $13.99
    68% off estimated retail
    Dippin Daisy's Swimwear Swimsuit Top (view 2)Dippin Daisy's Swimwear Swimsuit Top (view 1)
    View Product: Dippin Daisy's Swimwear Swimsuit Top
    Size XS
    $16.99
    55% off estimated retail
    J.Crew Swimsuit Top (view 2)J.Crew Swimsuit Top (view 1)
    View Product: J.Crew Swimsuit Top

    J.Crew

    Swimsuit Top
    Size 8
    $20.99
    70% off estimated retail
    L Space Swimsuit Top (view 2)L Space Swimsuit Top (view 1)
    View Product: L Space Swimsuit Top

    L Space

    Swimsuit Top
    Size Sm
    $24.99
    60% off estimated retail
    Tavik Swimsuit Top (view 2)Tavik Swimsuit Top (view 1)New With Tags
    View Product: Tavik Swimsuit Top

    Tavik

    Swimsuit Top
    Size Med
    $12.99
    48% off estimated retail
    L Space Swimsuit Bottoms (view 2)L Space Swimsuit Bottoms (view 1)New With Tags
    View Product: L Space Swimsuit Bottoms

    L Space

    Swimsuit Bottoms
    Size Sm
    $21.99
    65% off estimated retail
    Xhilaration Swimsuit Bottoms (view 2)Xhilaration Swimsuit Bottoms (view 1)
    View Product: Xhilaration Swimsuit Bottoms

    Xhilaration

    Swimsuit Bottoms
    Size XL
    $7.99
    38% off estimated retail
    Elif for Jordan Taylor Swimsuit Cover Up (view 2)Elif for Jordan Taylor Swimsuit Cover Up (view 1)
    View Product: Elif for Jordan Taylor Swimsuit Cover Up

    Elif for Jordan Taylor

    Swimsuit Cover Up
    Size XS
    $19.99
    47% off estimated retail
    Entreaguas One Piece Swimsuit (view 2)Entreaguas One Piece Swimsuit (view 1)New With Tags
    View Product: Entreaguas One Piece Swimsuit

    Entreaguas

    One Piece Swimsuit
    Size Lg
    $72.99
    68% off estimated retail

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