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.

GreenRemove filterIvoryRemove filter31" WaistRemove filter
63 items
Sort by:
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)New With Tags
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 2
    $31.99
    66% 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 2
    $31.99
    75% off estimated retail
    & Other Stories Swimsuit Bottoms (view 2)& Other Stories Swimsuit Bottoms (view 1)
    View Product: & Other Stories Swimsuit Bottoms

    & Other Stories

    Swimsuit Bottoms
    Size 2
    $17.99
    64% off estimated retail
    Melissa Odabash One Piece Swimsuit (view 2)Melissa Odabash One Piece Swimsuit (view 1)
    View Product: Melissa Odabash One Piece Swimsuit

    Melissa Odabash

    One Piece Swimsuit
    Size 2
    $39.99
    76% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    PrettyLittleThing Swimsuit Bottoms (view 2)PrettyLittleThing Swimsuit Bottoms (view 1)
    View Product: PrettyLittleThing Swimsuit Bottoms

    PrettyLittleThing

    Swimsuit Bottoms
    Size 2
    $15.99 $11.99 25% off with code THANKU
    50% off estimated retail
    Boden Swimsuit Bottoms (view 2)Boden Swimsuit Bottoms (view 1)
    View Product: Boden Swimsuit Bottoms

    Boden

    Swimsuit Bottoms
    Size 2
    $15.99 $11.19 30% off with code THANKU
    55% off estimated retail
    PrettyLittleThing Swimsuit Top (view 2)PrettyLittleThing Swimsuit Top (view 1)
    View Product: PrettyLittleThing Swimsuit Top

    PrettyLittleThing

    Swimsuit Top
    Size 2
    $12.99 $10.39 20% off with code THANKU
    59% off estimated retail
    Sabina Swimsuit Top (view 2)Sabina Swimsuit Top (view 1)
    View Product: Sabina Swimsuit Top

    Sabina

    Swimsuit Top
    Size 2
    $21.99 $15.39 30% off with code THANKU
    75% 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 2
    $12.99 $10.39 20% off with code THANKU
    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 2
    $20.99 $15.74 25% off with code THANKU
    44% off estimated retail
    ASOS Swimsuit Top (view 2)ASOS Swimsuit Top (view 1)
    View Product: ASOS Swimsuit Top

    ASOS

    Swimsuit Top
    Size 2
    $10.99 $8.79 20% off with code THANKU
    65% off estimated retail
    PrettyLittleThing Swimsuit Top (view 2)PrettyLittleThing Swimsuit Top (view 1)
    View Product: PrettyLittleThing Swimsuit Top

    PrettyLittleThing

    Swimsuit Top
    Size 2
    $10.99 $8.24 25% off with code THANKU
    65% off estimated retail
    Melissa Odabash Swimsuit Bottoms (view 2)Melissa Odabash Swimsuit Bottoms (view 1)New With Tags
    View Product: Melissa Odabash Swimsuit Bottoms

    Melissa Odabash

    Swimsuit Bottoms
    Size 2
    $23.99 $15.59 35% off with code THANKU
    79% 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
    $7.99 $6.39 20% off with code THANKU
    42% off estimated retail
    PrettyLittleThing Swimsuit Bottoms (view 2)PrettyLittleThing Swimsuit Bottoms (view 1)
    View Product: PrettyLittleThing Swimsuit Bottoms

    PrettyLittleThing

    Swimsuit Bottoms
    Size 2
    $15.99 $9.59 40% off with code THANKU
    50% off estimated retail
    PrettyLittleThing Swimsuit Top (view 2)PrettyLittleThing Swimsuit Top (view 1)
    View Product: PrettyLittleThing Swimsuit Top

    PrettyLittleThing

    Swimsuit Top
    Size 2
    $15.99 $9.59 40% off with code THANKU
    50% off estimated retail
    Allure Swimsuit Bottoms (view 2)Allure Swimsuit Bottoms (view 1)
    View Product: Allure Swimsuit Bottoms

    Allure

    Swimsuit Bottoms
    Size 2
    $24.99 $17.49 30% off with code THANKU
    53% off estimated retail
    Tory Burch Swimsuit Cover Up (view 2)Tory Burch Swimsuit Cover Up (view 1)
    View Product: Tory Burch Swimsuit Cover Up

    Tory Burch

    Swimsuit Cover Up
    Size 2
    $111.99 $89.59 20% off with code THANKU
    70% off estimated retail
    EGO Swimsuit Bottoms (view 2)EGO Swimsuit Bottoms (view 1)
    View Product: EGO Swimsuit Bottoms

    EGO

    Swimsuit Bottoms
    Size 2
    $10.99 $7.69 30% off with code THANKU
    42% 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 2
    $15.99 $6.40 60% off with code THANKU
    87% off estimated retail
    Kate Spade New York One Piece Swimsuit (view 2)Kate Spade New York One Piece Swimsuit (view 1)
    View Product: Kate Spade New York One Piece Swimsuit

    Kate Spade New York

    One Piece Swimsuit
    Size 2
    $30.99 $21.69 30% off with code THANKU
    80% off estimated retail
    ASOS Swimsuit Top (view 2)ASOS Swimsuit Top (view 1)
    View Product: ASOS Swimsuit Top

    ASOS

    Swimsuit Top
    Size 2
    $13.99 $9.09 35% off with code THANKU
    56% off estimated retail
    ASOS Swimsuit Bottoms (view 2)ASOS Swimsuit Bottoms (view 1)
    View Product: ASOS Swimsuit Bottoms

    ASOS

    Swimsuit Bottoms
    Size 2
    $17.99 $13.49 25% off with code THANKU
    43% off estimated retail
    Missguided Swimsuit Bottoms (view 2)Missguided Swimsuit Bottoms (view 1)
    View Product: Missguided Swimsuit Bottoms

    Missguided

    Swimsuit Bottoms
    Size 2
    $9.99 $7.49 25% off with code THANKU
    37% off estimated retail
    ASOS Swimsuit Bottoms (view 2)ASOS Swimsuit Bottoms (view 1)
    View Product: ASOS Swimsuit Bottoms

    ASOS

    Swimsuit Bottoms
    Size 2
    $12.99 $8.44 35% off with code THANKU
    59% off estimated retail
    PrettyLittleThing Swimsuit Top (view 2)PrettyLittleThing Swimsuit Top (view 1)New With Tags
    View Product: PrettyLittleThing Swimsuit Top

    PrettyLittleThing

    Swimsuit Top
    Size 2
    $15.99 $9.59 40% off with code THANKU
    50% off estimated retail
    Lululemon Athletica Swimsuit Bottoms (view 2)Lululemon Athletica Swimsuit Bottoms (view 1)
    View Product: Lululemon Athletica Swimsuit Bottoms

    Lululemon Athletica

    Swimsuit Bottoms
    Size 2
    $32.99 $16.50 50% off with code THANKU
    54% off estimated retail
    Nasty Gal Inc. Swimsuit Top (view 2)Nasty Gal Inc. Swimsuit Top (view 1)New With Tags
    View Product: Nasty Gal Inc. Swimsuit Top

    Nasty Gal Inc.

    Swimsuit Top
    Size 2
    $18.99 $14.24 25% off with code THANKU
    75% off estimated retail
    Nasty Gal Inc. Swimsuit Bottoms (view 2)Nasty Gal Inc. Swimsuit Bottoms (view 1)
    View Product: Nasty Gal Inc. Swimsuit Bottoms

    Nasty Gal Inc.

    Swimsuit Bottoms
    Size 2
    $19.99 $14.99 25% off with code THANKU
    73% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size 2
    $11.99 $8.39 30% off with code THANKU
    52% 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 2
    $31.99 $22.39 30% off with code THANKU
    72% 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
    $11.99 $9.59 20% off with code THANKU
    14% 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 2
    $9.99 $7.99 20% off with code THANKU
    47% off estimated retail
    Surface Swimsuit Top (view 2)Surface Swimsuit Top (view 1)New With Tags
    View Product: Surface Swimsuit Top

    Surface

    Swimsuit Top
    Size 2
    $11.99 $7.79 35% off with code THANKU
    62% 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 $7.99 20% off with code THANKU
    28% off estimated retail
    Bloch One Piece Swimsuit (view 2)Bloch One Piece Swimsuit (view 1)Price Drop
    View Product: Bloch One Piece Swimsuit

    Bloch

    One Piece Swimsuit
    Size 2
    $16.99 $11.89 30% off with code THANKU
    64% 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 $7.99 20% off with code THANKU
    28% off estimated retail
    PrettyLittleThing Swimsuit Bottoms (view 2)PrettyLittleThing Swimsuit Bottoms (view 1)New With Tags
    View Product: PrettyLittleThing Swimsuit Bottoms

    PrettyLittleThing

    Swimsuit Bottoms
    Size 2
    $10.99 $7.69 30% off with code THANKU
    65% off estimated retail
    Lively Swimsuit Top (view 2)Lively Swimsuit Top (view 1)Price Drop
    View Product: Lively Swimsuit Top

    Lively

    Swimsuit Top
    Size 2
    $19.99 $13.99 30% off with code THANKU
    60% off estimated retail
    Boden Swimsuit Top (view 2)Boden Swimsuit Top (view 1)Price Drop
    View Product: Boden Swimsuit Top

    Boden

    Swimsuit Top
    Size 2
    $17.99 $11.69 35% off with code THANKU
    50% off estimated retail
    Trina Turk Swimsuit Top (view 2)Trina Turk Swimsuit Top (view 1)Price Drop
    View Product: Trina Turk Swimsuit Top

    Trina Turk

    Swimsuit Top
    Size 2
    $19.99 $10.99 45% off with code THANKU
    76% off estimated retail
    Nasty Gal Inc. Swimsuit Top (view 2)Nasty Gal Inc. Swimsuit Top (view 1)Price Drop
    View Product: Nasty Gal Inc. Swimsuit Top

    Nasty Gal Inc.

    Swimsuit Top
    Size 2
    $18.99 $14.24 25% off with code THANKU
    75% off estimated retail
    Topshop Swimsuit Top (view 2)Topshop Swimsuit Top (view 1)Price Drop
    View Product: Topshop Swimsuit Top

    Topshop

    Swimsuit Top
    Size 2
    $12.99 $9.74 25% off with code THANKU
    59% off estimated retail
    Lilly Pulitzer Swimsuit Bottoms (view 2)Lilly Pulitzer Swimsuit Bottoms (view 1)Price Drop
    View Product: Lilly Pulitzer Swimsuit Bottoms

    Lilly Pulitzer

    Swimsuit Bottoms
    Size 2
    $14.99 $8.99 40% off with code THANKU
    80% off estimated retail
    Nasty Gal Inc. Swimsuit Top (view 2)Nasty Gal Inc. Swimsuit Top (view 1)Price Drop
    View Product: Nasty Gal Inc. Swimsuit Top

    Nasty Gal Inc.

    Swimsuit Top
    Size 2
    $13.99 $10.49 25% off with code THANKU
    81% off estimated retail
    Shoshanna Swimsuit Top (view 2)Shoshanna Swimsuit Top (view 1)Price Drop
    View Product: Shoshanna Swimsuit Top

    Shoshanna

    Swimsuit Top
    Size 2
    $13.99 $9.79 30% off with code THANKU
    82% off estimated retail
    Rococo Swimsuit Top (view 2)Rococo Swimsuit Top (view 1)Price Drop
    View Product: Rococo Swimsuit Top

    Rococo

    Swimsuit Top
    Size 2
    $13.99 $10.49 25% off with code THANKU
    72% off estimated retail
    Edie Parker x J.Crew One Piece Swimsuit (view 2)Edie Parker x J.Crew One Piece Swimsuit (view 1)Price Drop
    View Product: Edie Parker x J.Crew One Piece Swimsuit

    Edie Parker x J.Crew

    One Piece Swimsuit
    Size 2
    $16.99 $11.89 30% off with code THANKU
    88% off estimated retail
    Sunsets Swimsuit Top (view 2)Sunsets Swimsuit Top (view 1)Price Drop
    View Product: Sunsets Swimsuit Top

    Sunsets

    Swimsuit Top
    Size 2
    $12.99 $9.74 25% off with code THANKU
    65% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)Price Drop
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 2
    $14.99 $11.24 25% off with code THANKU
    76% off estimated retail
    Calzedonia Swimsuit Top (view 2)Calzedonia Swimsuit Top (view 1)Price Drop
    View Product: Calzedonia Swimsuit Top

    Calzedonia

    Swimsuit Top
    Size 2
    $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 2
    $9.99 $6.99 30% off with code THANKU
    60% off estimated retail
    Summersalt Swimsuit Top (view 2)Summersalt Swimsuit Top (view 1)Price Drop
    View Product: Summersalt Swimsuit Top

    Summersalt

    Swimsuit Top
    Size 2
    $13.99 $7.00 50% off with code THANKU
    78% off estimated retail
    Lululemon Athletica Swimsuit Top (view 2)Lululemon Athletica Swimsuit Top (view 1)Price Drop
    View Product: Lululemon Athletica Swimsuit Top

    Lululemon Athletica

    Swimsuit Top
    Size 2
    $21.99 $11.00 50% off with code THANKU
    69% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)Price Drop
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 2
    $10.99 $7.69 30% 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 2
    $9.99 $6.99 30% off with code THANKU
    60% off estimated retail
    PrettyLittleThing Swimsuit Top (view 2)PrettyLittleThing Swimsuit Top (view 1)Price Drop
    View Product: PrettyLittleThing Swimsuit Top

    PrettyLittleThing

    Swimsuit Top
    Size 2
    $9.99 $6.99 30% off with code THANKU
    68% off estimated retail
    ASOS Swimsuit Bottoms (view 2)ASOS Swimsuit Bottoms (view 1)Price Drop
    View Product: ASOS Swimsuit Bottoms

    ASOS

    Swimsuit Bottoms
    Size 2
    $10.99 $8.79 20% off with code THANKU
    65% off estimated retail
    PrettyLittleThing Swimsuit Top (view 2)PrettyLittleThing Swimsuit Top (view 1)Price Drop
    View Product: PrettyLittleThing Swimsuit Top

    PrettyLittleThing

    Swimsuit Top
    Size 2
    $9.99 $6.99 30% off with code THANKU
    68% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)Price Drop
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 2
    $9.99 $6.99 30% off with code THANKU
    60% off estimated retail
    H&M Swimsuit Bottoms (view 2)H&M Swimsuit Bottoms (view 1)Price Drop
    View Product: H&M Swimsuit Bottoms

    H&M

    Swimsuit Bottoms
    Size 2
    $9.99 $7.99 20% off with code THANKU
    28% off estimated retail
    Heidi Klein Swimsuit Bottoms (view 2)Heidi Klein Swimsuit Bottoms (view 1)Price Drop
    View Product: Heidi Klein Swimsuit Bottoms

    Heidi Klein

    Swimsuit Bottoms
    Size 2
    $8.99 $7.19 20% off with code THANKU
    92% off estimated retail
    Nasty Gal Inc. Swimsuit Bottoms (view 2)Nasty Gal Inc. Swimsuit Bottoms (view 1)Price Drop
    View Product: Nasty Gal Inc. Swimsuit Bottoms

    Nasty Gal Inc.

    Swimsuit Bottoms
    Size 2
    $8.99 $7.19 20% off with code THANKU
    70% off estimated retail
    Back
    1
    Next

    Loading...