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.

1,164 items
Sort by:
    Tavik Swimwear Swimsuit Bottoms (view 2)Tavik Swimwear Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Tavik Swimwear Swimsuit Bottoms

    Tavik Swimwear

    Swimsuit Bottoms
    Size Med
    $30.99
    65% off estimated retail
    Assorted Brands Two Piece Swimsuit (view 2)Assorted Brands Two Piece Swimsuit (view 1)
    View Product: Assorted Brands Two Piece Swimsuit

    Assorted Brands

    Two Piece Swimsuit
    Size Sm
    $21.99
    42% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 0X Plus
    $13.99
    12% off estimated retail
    Carve Designs Swimsuit Top (view 2)Carve Designs Swimsuit Top (view 1)
    View Product: Carve Designs Swimsuit Top

    Carve Designs

    Swimsuit Top
    Size Med
    $18.99
    40% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Med
    $12.99
    48% off estimated retail
    Maaji Swimsuit Top (view 2)Maaji Swimsuit Top (view 1)
    View Product: Maaji Swimsuit Top

    Maaji

    Swimsuit Top
    Size 10
    $29.99
    66% off estimated retail
    Aerie Swimsuit Bottoms (view 2)Aerie Swimsuit Bottoms (view 1)
    View Product: Aerie Swimsuit Bottoms

    Aerie

    Swimsuit Bottoms
    Size Sm
    $11.99
    52% off estimated retail
    La Perla Swimsuit Top (view 2)La Perla Swimsuit Top (view 1)
    View Product: La Perla Swimsuit Top

    La Perla

    Swimsuit Top
    Size 44 italian
    $66.99
    78% 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 14
    $25.99
    79% off estimated retail
    Out From Under One Piece Swimsuit (view 2)Out From Under One Piece Swimsuit (view 1)
    View Product: Out From Under One Piece Swimsuit

    Out From Under

    One Piece Swimsuit
    Size Sm
    $20.99
    63% off estimated retail
    Bromelia Swimwear One Piece Swimsuit (view 2)Bromelia Swimwear One Piece Swimsuit (view 1)
    View Product: Bromelia Swimwear One Piece Swimsuit

    Bromelia Swimwear

    One Piece Swimsuit
    Size XL
    $65.99
    69% off estimated retail
    Xhilaration One Piece Swimsuit (view 2)Xhilaration One Piece Swimsuit (view 1)
    View Product: Xhilaration One Piece Swimsuit

    Xhilaration

    One Piece Swimsuit
    Size Med
    $17.99 $19
    Tavik Swimsuit Top (view 2)Tavik Swimsuit Top (view 1)
    View Product: Tavik Swimsuit Top

    Tavik

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

    Aerie

    Swimsuit Bottoms
    Size Sm
    $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
    Serei Swim Two Piece Swimsuit (view 2)Serei Swim Two Piece Swimsuit (view 1)New With Tags
    View Product: Serei Swim Two Piece Swimsuit

    Serei Swim

    Two Piece Swimsuit
    Size Med
    $29.99
    60% 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 12
    $9.99
    28% 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 6
    $28.99
    49% off estimated retail
    Unbranded Swimsuit Cover Up (view 2)Unbranded Swimsuit Cover Up (view 1)
    View Product: Unbranded Swimsuit Cover Up

    Unbranded

    Swimsuit Cover Up
    Size Sm
    $17.99
    52% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Lg
    $9.99
    60% off estimated retail
    ASOS Two Piece Swimsuit (view 2)ASOS Two Piece Swimsuit (view 1)
    View Product: ASOS Two Piece Swimsuit

    ASOS

    Two Piece Swimsuit
    Size 0
    $20.99
    34% off estimated retail
    Shade & Shore Two Piece Swimsuit (view 2)Shade & Shore Two Piece Swimsuit (view 1)
    View Product: Shade & Shore Two Piece Swimsuit

    Shade & Shore

    Two Piece Swimsuit
    Size Sm
    $12.99
    35% off estimated retail
    Old Navy Swimsuit Bottoms (view 2)Old Navy Swimsuit Bottoms (view 1)
    View Product: Old Navy Swimsuit Bottoms

    Old Navy

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

    Aerie

    Swimsuit Bottoms
    Size Lg
    $15.99
    36% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size Med
    $9.99
    60% off estimated retail
    Fabletics Swimsuit Bottoms (view 2)Fabletics Swimsuit Bottoms (view 1)New With Tags
    View Product: Fabletics Swimsuit Bottoms

    Fabletics

    Swimsuit Bottoms
    Size Sm
    $21.99
    44% off estimated retail
    SKYE Swimsuit Top (view 2)SKYE Swimsuit Top (view 1)
    View Product: SKYE Swimsuit Top

    SKYE

    Swimsuit Top
    Size Sm
    $27.99
    75% off estimated retail
    Forever 21 One Piece Swimsuit (view 2)Forever 21 One Piece Swimsuit (view 1)
    View Product: Forever 21 One Piece Swimsuit

    Forever 21

    One Piece Swimsuit
    Size Sm
    $14.99
    40% off estimated retail
    Roxy Swimsuit Top (view 2)Roxy Swimsuit Top (view 1)
    View Product: Roxy Swimsuit Top

    Roxy

    Swimsuit Top
    Size Med
    $11.99
    52% off estimated retail
    Forever 21 Swimsuit Top (view 2)Forever 21 Swimsuit Top (view 1)
    View Product: Forever 21 Swimsuit Top

    Forever 21

    Swimsuit Top
    Size Lg
    $13.99
    30% 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 Med
    $10.99
    65% off estimated retail
    Fresh Produce Swimsuit Cover Up (view 2)Fresh Produce Swimsuit Cover Up (view 1)Flawed Gem
    View Product: Fresh Produce Swimsuit Cover Up

    Fresh Produce

    Swimsuit Cover Up
    Size Lg
    $14.99
    73% 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 8
    $30.99
    67% off estimated retail
    Zaful Swimsuit Top (view 2)Zaful Swimsuit Top (view 1)
    View Product: Zaful Swimsuit Top

    Zaful

    Swimsuit Top
    Size 6
    $10.99
    56% off estimated retail
    Babaton One Piece Swimsuit (view 2)Babaton One Piece Swimsuit (view 1)
    View Product: Babaton One Piece Swimsuit

    Babaton

    One Piece Swimsuit
    Size XXS
    $30.99
    68% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 2X Plus
    $13.99
    44% off estimated retail
    ASOS Two Piece Swimsuit (view 2)ASOS Two Piece Swimsuit (view 1)
    View Product: ASOS Two Piece Swimsuit

    ASOS

    Two Piece Swimsuit
    Size 18 Plus
    $20.99
    56% off estimated retail
    Xhilaration Swimsuit Top (view 2)Xhilaration Swimsuit Top (view 1)
    View Product: Xhilaration Swimsuit Top

    Xhilaration

    Swimsuit Top
    Size Sm
    $7.99
    38% off estimated retail
    Beach Riot Swimsuit Bottoms (view 2)Beach Riot Swimsuit Bottoms (view 1)New With Tags
    View Product: Beach Riot Swimsuit Bottoms

    Beach Riot

    Swimsuit Bottoms
    Size Sm
    $29.99
    66% 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
    $43.99
    74% off estimated retail
    Good American Swimsuit Bottoms (view 2)Good American Swimsuit Bottoms (view 1)
    View Product: Good American Swimsuit Bottoms

    Good American

    Swimsuit Bottoms
    Size Med
    $27.99
    72% off estimated retail
    Triangl Swimsuit Bottoms (view 2)Triangl Swimsuit Bottoms (view 1)
    View Product: Triangl Swimsuit Bottoms

    Triangl

    Swimsuit Bottoms
    Size XXS
    $14.99
    76% off estimated retail
    Francesca's Swimsuit Cover Up (view 2)Francesca's Swimsuit Cover Up (view 1)
    View Product: Francesca's Swimsuit Cover Up

    Francesca's

    Swimsuit Cover Up
    Size Med
    $17.99
    52% off estimated retail
    Suboo Swimsuit Cover Up (view 2)Suboo Swimsuit Cover Up (view 1)
    View Product: Suboo Swimsuit Cover Up

    Suboo

    Swimsuit Cover Up
    Size Sm
    $77.99
    73% 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
    Victoria's Secret Pink Swimsuit Bottoms (view 2)Victoria's Secret Pink Swimsuit Bottoms (view 1)New With Tags
    View Product: Victoria's Secret Pink Swimsuit Bottoms

    Victoria's Secret Pink

    Swimsuit Bottoms
    Size Med
    $18.99
    23% off estimated retail
    Acacia Swimsuit Top (view 2)Acacia Swimsuit Top (view 1)
    View Product: Acacia Swimsuit Top

    Acacia

    Swimsuit Top
    Size Lg
    $29.99
    73% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size XS
    $9.99
    60% off estimated retail
    Shade & Shore Swimsuit Top (view 2)Shade & Shore Swimsuit Top (view 1)
    View Product: Shade & Shore Swimsuit Top

    Shade & Shore

    Swimsuit Top
    Size Med
    $14.99
    53% off estimated retail
    SONOMA life + style Board Shorts (view 2)SONOMA life + style Board Shorts (view 1)
    View Product: SONOMA life + style Board Shorts
    Size 10
    $14.99
    40% off estimated retail
    Good American Swimsuit Bottoms (view 2)Good American Swimsuit Bottoms (view 1)New With Tags
    View Product: Good American Swimsuit Bottoms

    Good American

    Swimsuit Bottoms
    Size Lg
    $11.99
    88% off estimated retail
    Tori Praver Swimsuit Bottoms (view 2)Tori Praver Swimsuit Bottoms (view 1)
    View Product: Tori Praver Swimsuit Bottoms

    Tori Praver

    Swimsuit Bottoms
    Size Lg
    $24.99
    78% off estimated retail
    Tori Praver Swimsuit Top (view 2)Tori Praver Swimsuit Top (view 1)
    View Product: Tori Praver Swimsuit Top

    Tori Praver

    Swimsuit Top
    Size Lg
    $39.99
    65% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size Sm
    $9.99
    60% off estimated retail
    Aerie Swimsuit Bottoms (view 2)Aerie Swimsuit Bottoms (view 1)
    View Product: Aerie Swimsuit Bottoms

    Aerie

    Swimsuit Bottoms
    Size Med
    $8.99
    64% off estimated retail
    Calvin Klein Swimsuit Top (view 2)Calvin Klein Swimsuit Top (view 1)
    View Product: Calvin Klein Swimsuit Top

    Calvin Klein

    Swimsuit Top
    Size 10
    $18.99
    72% off estimated retail
    Gabar Swimsuit Bottoms (view 2)Gabar Swimsuit Bottoms (view 1)New With Tags
    View Product: Gabar Swimsuit Bottoms

    Gabar

    Swimsuit Bottoms
    Size 10
    $11.99
    68% off estimated retail
    Athleta Swimsuit Top (view 2)Athleta Swimsuit Top (view 1)
    View Product: Athleta Swimsuit Top

    Athleta

    Swimsuit Top
    Size XL
    $22.99
    61% off estimated retail
    Shade & Shore Swimsuit Top (view 2)Shade & Shore Swimsuit Top (view 1)
    View Product: Shade & Shore Swimsuit Top

    Shade & Shore

    Swimsuit Top
    Size Lg
    $15.99
    50% 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
    $12.99
    48% 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
    $12.99
    48% off estimated retail
    Aerie One Piece Swimsuit (view 2)Aerie One Piece Swimsuit (view 1)
    View Product: Aerie One Piece Swimsuit

    Aerie

    One Piece Swimsuit
    Size Sm
    $18.99
    50% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 1X Plus

    Loading...