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.

BrownRemove filterRedRemove filter
38 items
Sort by:
    Tropical Escape Swimsuit Bottoms (view 2)Tropical Escape Swimsuit Bottoms (view 1)
    View Product: Tropical Escape Swimsuit Bottoms

    Tropical Escape

    Swimsuit Bottoms
    Size 3X Plus
    $18.99
    50% off estimated retail
    Brandini One Piece Swimsuit (view 2)Brandini One Piece Swimsuit (view 1)New With Tags
    View Product: Brandini One Piece Swimsuit

    Brandini

    One Piece Swimsuit
    Size 30 Plus
    $13.99
    26% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 3X Plus
    $14.99
    40% off estimated retail
    Torrid Swimsuit Top (view 2)Torrid Swimsuit Top (view 1)
    View Product: Torrid Swimsuit Top

    Torrid

    Swimsuit Top
    Size 3X Plus
    $22.99
    54% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    J.Crew Swimsuit Top (view 2)J.Crew Swimsuit Top (view 1)
    View Product: J.Crew Swimsuit Top

    J.Crew

    Swimsuit Top
    Size 3X Plus
    $16.99
    75% off estimated retail
    Catalina Swimsuit Top (view 2)Catalina Swimsuit Top (view 1)New With Tags
    View Product: Catalina Swimsuit Top

    Catalina

    Swimsuit Top
    Size 3X Plus
    $7.99
    38% off estimated retail
    Peyton & Parker Swimsuit Bottoms (view 2)Peyton & Parker Swimsuit Bottoms (view 1)
    View Product: Peyton & Parker Swimsuit Bottoms

    Peyton & Parker

    Swimsuit Bottoms
    Size 3X Plus
    $12.99 $9.74 25% off with code THANKU
    48% 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 Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 3X Plus
    $13.99 $9.79 30% off with code THANKU
    44% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 3X Plus
    $15.99 $10.39 35% off with code THANKU
    36% off estimated retail
    Old Navy Swimsuit Top (view 2)Old Navy Swimsuit Top (view 1)New With Tags
    View Product: Old Navy Swimsuit Top

    Old Navy

    Swimsuit Top
    Size 3X Plus
    $11.99 $7.79 35% off with code THANKU
    52% off estimated retail
    Old Navy Swimsuit Bottoms (view 2)Old Navy Swimsuit Bottoms (view 1)New With Tags
    View Product: Old Navy Swimsuit Bottoms

    Old Navy

    Swimsuit Bottoms
    Size 3X Plus
    $10.99 $7.69 30% off with code THANKU
    56% off estimated retail
    Nike One Piece Swimsuit (view 2)Nike One Piece Swimsuit (view 1)
    View Product: Nike One Piece Swimsuit

    Nike

    One Piece Swimsuit
    Size 30 Plus
    $25.99 $15.59 40% off with code THANKU
    65% 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 3X Plus
    $12.99 $9.74 25% off with code THANKU
    76% off estimated retail
    Secret Swimsuit Top (view 2)Secret Swimsuit Top (view 1)
    View Product: Secret Swimsuit Top

    Secret

    Swimsuit Top
    Size 30 Plus
    $16.99 $12.74 25% off with code THANKU
    32% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $10.99 $7.69 30% off with code THANKU
    31% 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 $6.74 25% off with code THANKU
    43% off estimated retail
    Adoretex One Piece Swimsuit (view 2)Adoretex One Piece Swimsuit (view 1)
    View Product: Adoretex One Piece Swimsuit

    Adoretex

    One Piece Swimsuit
    Size 30 Plus
    $14.99 $11.24 25% off with code THANKU
    48% off estimated retail
    Torrid Swimsuit Bottoms (view 2)Torrid Swimsuit Bottoms (view 1)
    View Product: Torrid Swimsuit Bottoms

    Torrid

    Swimsuit Bottoms
    Size 3X Plus
    $22.99 $9.20 60% off with code THANKU
    54% 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
    $11.99 $7.79 35% off with code THANKU
    25% off estimated retail
    Old Navy Swimsuit Bottoms (view 2)Old Navy Swimsuit Bottoms (view 1)New With Tags
    View Product: Old Navy Swimsuit Bottoms

    Old Navy

    Swimsuit Bottoms
    Size 3X Plus
    $13.99 $7.00 50% off with code THANKU
    44% off estimated retail
    Rhode X Target Swimsuit Bottoms (view 2)Rhode X Target Swimsuit Bottoms (view 1)New With Tags
    View Product: Rhode X Target Swimsuit Bottoms

    Rhode X Target

    Swimsuit Bottoms
    Size 3X Plus
    $12.99 $8.44 35% off with code THANKU
    48% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)Price Drop
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size 3X Plus
    $13.99 $7.69 45% off with code THANKU
    63% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)Price Drop
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 3X Plus
    $11.99 $7.19 40% off with code THANKU
    52% 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
    $10.99 $7.14 35% off with code THANKU
    31% off estimated retail
    Nicole Miller Studio Swimsuit Bottoms (view 2)Nicole Miller Studio Swimsuit Bottoms (view 1)New With Tags
    View Product: Nicole Miller Studio Swimsuit Bottoms

    Nicole Miller Studio

    Swimsuit Bottoms
    Size 3X Plus
    $12.99 $9.09 30% off with code THANKU
    75% off estimated retail
    rue21 Swimsuit Bottoms (view 2)rue21 Swimsuit Bottoms (view 1)
    View Product: rue21 Swimsuit Bottoms

    rue21

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

    Shein

    Swimsuit Top
    Size 3X Plus
    $11.99 $7.19 40% off with code THANKU
    25% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)Price Drop
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 3X Plus
    $9.99 $6.99 30% off with code THANKU
    37% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)Price Drop
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 3X Plus
    $10.99 $7.14 35% off with code THANKU
    31% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)Price Drop
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 30 Plus
    $10.99 $7.69 30% off with code THANKU
    56% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)Price Drop
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 3X Plus
    $10.99 $7.14 35% off with code THANKU
    56% off estimated retail
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)Price Drop
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 30 Plus
    $11.99 $8.39 30% 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
    $9.99 $6.99 30% off with code THANKU
    37% 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
    $10.99 $7.14 35% off with code THANKU
    56% 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
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)Price Drop
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 3X Plus
    $8.99 $6.74 25% off with code THANKU
    43% off estimated retail
    Back
    1
    Next

    Loading...