About
ThredUp LogoThredUp
Shop
SellCleanout animation
Beta
My ThredUp
Account
0
Check out

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.

Under $10Remove filter20% offRemove filter
56 items
Sort by:
    Catalina Swimsuit Bottoms (view 2)Catalina Swimsuit Bottoms (view 1)
    View Product: Catalina Swimsuit Bottoms

    Catalina

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    38% off estimated retail
    Cupshe Swimsuit Top (view 2)Cupshe Swimsuit Top (view 1)
    View Product: Cupshe Swimsuit Top

    Cupshe

    Swimsuit Top
    Size 3X Plus
    $11.99 $9.59 20% off with code THANKU
    36% off estimated retail
    White Stag Swimsuit Top (view 2)White Stag Swimsuit Top (view 1)
    View Product: White Stag Swimsuit Top

    White Stag

    Swimsuit Top
    Size 3X Plus
    $8.99 $7.19 20% off with code THANKU
    30% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 3X Plus
    $11.99 $9.59 20% off with code THANKU
    52% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 3X Plus
    $9.99 $7.99 20% off with code THANKU
    60% off estimated retail
    Fashion Nova One Piece Swimsuit (view 2)Fashion Nova One Piece Swimsuit (view 1)
    View Product: Fashion Nova One Piece Swimsuit

    Fashion Nova

    One Piece Swimsuit
    Size 3X Plus
    $11.99 $9.59 20% off with code THANKU
    36% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $10.99 $8.79 20% off with code THANKU
    56% off estimated retail
    Wild Fable Swimsuit Bottoms (view 2)Wild Fable Swimsuit Bottoms (view 1)
    View Product: Wild Fable Swimsuit Bottoms

    Wild Fable

    Swimsuit Bottoms
    Size 3X Plus
    $10.99 $8.79 20% off with code THANKU
    31% off estimated retail
    Wild Fable Swimsuit Bottoms (view 2)Wild Fable Swimsuit Bottoms (view 1)
    View Product: Wild Fable Swimsuit Bottoms

    Wild Fable

    Swimsuit Bottoms
    Size 3X Plus
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 3X Plus
    $10.99 $8.79 20% off with code THANKU
    56% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $9.99 $7.99 20% off with code THANKU
    60% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    50% 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 3X Plus
    $8.99 $7.19 20% off with code THANKU
    52% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $8.99 $7.19 20% off with code THANKU
    64% off estimated retail
    True Craft Swimsuit Bottoms (view 2)True Craft Swimsuit Bottoms (view 1)
    View Product: True Craft Swimsuit Bottoms

    True Craft

    Swimsuit Bottoms
    Size 3X Plus
    $11.99 $9.59 20% off with code THANKU
    52% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $9.99 $7.99 20% off with code THANKU
    60% off estimated retail
    Catalina Swimsuit Bottoms (view 2)Catalina Swimsuit Bottoms (view 1)
    View Product: Catalina Swimsuit Bottoms

    Catalina

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    38% off estimated retail
    Catalina Swimsuit Bottoms (view 2)Catalina Swimsuit Bottoms (view 1)
    View Product: Catalina Swimsuit Bottoms

    Catalina

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    38% off estimated retail
    Catalina Swimsuit Bottoms (view 2)Catalina Swimsuit Bottoms (view 1)
    View Product: Catalina Swimsuit Bottoms

    Catalina

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    38% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $6.99 $5.59 20% off with code THANKU
    72% off estimated retail
    Cyn & Luca Swimsuit Bottoms (view 2)Cyn & Luca Swimsuit Bottoms (view 1)New With Tags
    View Product: Cyn & Luca Swimsuit Bottoms

    Cyn & Luca

    Swimsuit Bottoms
    Size 3X Plus
    $8.99 $7.19 20% off with code THANKU
    76% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 3X Plus
    $9.99 $7.99 20% off with code THANKU
    37% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 3X Plus
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $8.99 $7.19 20% off with code THANKU
    64% off estimated retail
    Decree Swimsuit Bottoms (view 2)Decree Swimsuit Bottoms (view 1)New With Tags
    View Product: Decree Swimsuit Bottoms

    Decree

    Swimsuit Bottoms
    Size 3X Plus
    $9.99 $7.99 20% off with code THANKU
    47% off estimated retail
    Catalina Swimsuit Bottoms (view 2)Catalina Swimsuit Bottoms (view 1)
    View Product: Catalina Swimsuit Bottoms

    Catalina

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    38% off estimated retail
    BLOOMCHIC Swimsuit Bottoms (view 2)BLOOMCHIC Swimsuit Bottoms (view 1)
    View Product: BLOOMCHIC Swimsuit Bottoms

    BLOOMCHIC

    Swimsuit Bottoms
    Size 30 Plus
    $5.99 $4.79 20% off with code THANKU
    76% off estimated retail
    Cocoship Swimsuit Top (view 2)Cocoship Swimsuit Top (view 1)
    View Product: Cocoship Swimsuit Top

    Cocoship

    Swimsuit Top
    Size 3X Plus
    $9.99 $7.99 20% off with code THANKU
    47% off estimated retail
    Decree Swimsuit Top (view 2)Decree Swimsuit Top (view 1)
    View Product: Decree Swimsuit Top

    Decree

    Swimsuit Top
    Size 3X Plus
    $10.99 $8.79 20% off with code THANKU
    42% off estimated retail
    Cider Swimsuit Bottoms (view 2)Cider Swimsuit Bottoms (view 1)
    View Product: Cider Swimsuit Bottoms

    Cider

    Swimsuit Bottoms
    Size 3X Plus
    $10.99 $8.79 20% off with code THANKU
    56% off estimated retail
    COCOPEAR Swimsuit Top (view 2)COCOPEAR Swimsuit Top (view 1)
    View Product: COCOPEAR Swimsuit Top

    COCOPEAR

    Swimsuit Top
    Size 3X Plus
    $11.99 $9.59 20% off with code THANKU
    52% off estimated retail
    Charlotte Russe Swimsuit Bottoms (view 2)Charlotte Russe Swimsuit Bottoms (view 1)
    View Product: Charlotte Russe Swimsuit Bottoms

    Charlotte Russe

    Swimsuit Bottoms
    Size 3X Plus
    $11.99 $9.59 20% off with code THANKU
    36% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $5.99 $4.79 20% off with code THANKU
    76% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $5.99 $4.79 20% off with code THANKU
    76% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $5.99 $4.79 20% off with code THANKU
    76% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)Price Drop
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    50% 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 3X Plus
    $10.99 $8.79 20% off with code THANKU
    31% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)Price Drop
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 30 Plus
    $8.99 $7.19 20% off with code THANKU
    43% off estimated retail
    Wild Fable Swimsuit Top (view 2)Wild Fable Swimsuit Top (view 1)New With Tags
    View Product: Wild Fable Swimsuit Top

    Wild Fable

    Swimsuit Top
    Size 3X Plus
    $10.99 $8.79 20% off with code THANKU
    26% 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 3X Plus
    $10.99 $8.79 20% off with code THANKU
    45% off estimated retail
    New Directions Swimsuit Bottoms (view 2)New Directions Swimsuit Bottoms (view 1)Price Drop
    View Product: New Directions Swimsuit Bottoms

    New Directions

    Swimsuit Bottoms
    Size 3X Plus
    $11.99 $9.59 20% off with code THANKU
    68% 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 3X Plus
    $4.99 $3.99 20% off with code THANKU
    80% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Price Drop
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $6.99 $5.59 20% off with code THANKU
    72% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Price Drop
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    68% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)Price Drop
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    50% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Price Drop
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    68% off estimated retail
    Zelos Swimsuit Bottoms (view 2)Zelos Swimsuit Bottoms (view 1)Price Drop
    View Product: Zelos Swimsuit Bottoms

    Zelos

    Swimsuit Bottoms
    Size 3X Plus
    $8.99 $7.19 20% off with code THANKU
    76% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Price Drop
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    68% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)Price Drop
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    50% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)Price Drop
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $7.99 $6.39 20% off with code THANKU
    50% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $6.99 $5.59 20% off with code THANKU
    53% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Price Drop
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $6.99 $5.59 20% off with code THANKU
    70% off estimated retail
    Assorted Brands Swimsuit Bottoms (view 2)Assorted Brands Swimsuit Bottoms (view 1)Price Drop
    View Product: Assorted Brands Swimsuit Bottoms

    Assorted Brands

    Swimsuit Bottoms
    Size 3X Plus
    $6.99 $5.59 20% off with code THANKU
    70% off estimated retail
    Assorted Brands Swimsuit Bottoms (view 2)Assorted Brands Swimsuit Bottoms (view 1)Price Drop
    View Product: Assorted Brands Swimsuit Bottoms

    Assorted Brands

    Swimsuit Bottoms
    Size 3X Plus
    $6.99 $5.59 20% off with code THANKU
    70% off estimated retail
    Back
    1
    Next

    Loading...