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.

424 items
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    Surf Gypsy Swimsuit Cover Up (view 2)Surf Gypsy Swimsuit Cover Up (view 1)Flawed Gem
    View Product: Surf Gypsy Swimsuit Cover Up

    Surf Gypsy

    Swimsuit Cover Up
    Size Med
    $24.99
    67% off estimated retail
    PQ Swimsuit Cover Up (view 2)PQ Swimsuit Cover Up (view 1)
    View Product: PQ Swimsuit Cover Up

    PQ

    Swimsuit Cover Up
    Size Med
    $46.99
    69% off estimated retail
    Christina One Piece Swimsuit (view 2)Christina One Piece Swimsuit (view 1)
    View Product: Christina One Piece Swimsuit

    Christina

    One Piece Swimsuit
    Size 10
    $20.99
    56% 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 Sm
    $10.99
    65% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Say What? Swimsuit Cover Up (view 2)Say What? Swimsuit Cover Up (view 1)
    View Product: Say What? Swimsuit Cover Up

    Say What?

    Swimsuit Cover Up
    Size Med
    $15.99
    65% off estimated retail
    Tommy Bahama Swimsuit Cover Up (view 2)Tommy Bahama Swimsuit Cover Up (view 1)
    View Product: Tommy Bahama Swimsuit Cover Up

    Tommy Bahama

    Swimsuit Cover Up
    Size Sm
    $22.99
    59% off estimated retail
    Victoria's Secret Swimsuit Top (view 2)Victoria's Secret Swimsuit Top (view 1)
    View Product: Victoria's Secret Swimsuit Top

    Victoria's Secret

    Swimsuit Top
    Size Med
    $12.99
    59% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size Sm
    $19.99
    55% off estimated retail
    J.Jill Swimsuit Cover Up (view 2)J.Jill Swimsuit Cover Up (view 1)
    View Product: J.Jill Swimsuit Cover Up

    J.Jill

    Swimsuit Cover Up
    Size Med
    $29.99
    68% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size Sm
    $11.99
    52% off estimated retail
    J.Crew Board Shorts (view 2)J.Crew Board Shorts (view 1)
    View Product: J.Crew Board Shorts

    J.Crew

    Board Shorts
    Size 0
    $28.99
    74% off estimated retail
    Kona Sol One Piece Swimsuit (view 2)Kona Sol One Piece Swimsuit (view 1)
    View Product: Kona Sol One Piece Swimsuit

    Kona Sol

    One Piece Swimsuit
    Size Med
    $25.99
    31% off estimated retail
    Monsoon Swimsuit Cover Up (view 2)Monsoon Swimsuit Cover Up (view 1)
    View Product: Monsoon Swimsuit Cover Up

    Monsoon

    Swimsuit Cover Up
    Size Sm
    $16.99
    78% off estimated retail
    Mud Pie Swimsuit Cover Up (view 2)Mud Pie Swimsuit Cover Up (view 1)
    View Product: Mud Pie Swimsuit Cover Up

    Mud Pie

    Swimsuit Cover Up
    Size One size
    $20.99
    44% off estimated retail
    Seaspice Resort Wear Swimsuit Cover Up (view 2)Seaspice Resort Wear Swimsuit Cover Up (view 1)
    View Product: Seaspice Resort Wear Swimsuit Cover Up

    Seaspice Resort Wear

    Swimsuit Cover Up
    Size Med
    $21.99
    24% off estimated retail
    Boden Swimsuit Cover Up (view 2)Boden Swimsuit Cover Up (view 1)
    View Product: Boden Swimsuit Cover Up

    Boden

    Swimsuit Cover Up
    Size 12
    $27.99
    68% off estimated retail
    Walter Baker Swimsuit Cover Up (view 2)Walter Baker Swimsuit Cover Up (view 1)
    View Product: Walter Baker Swimsuit Cover Up

    Walter Baker

    Swimsuit Cover Up
    Size One size
    $48.99
    71% off estimated retail
    Liverpool Los Angeles One Piece Swimsuit (view 2)Liverpool Los Angeles One Piece Swimsuit (view 1)
    View Product: Liverpool Los Angeles One Piece Swimsuit

    Liverpool Los Angeles

    One Piece Swimsuit
    Size 4
    $35.99
    61% off estimated retail
    La Blanca Swimsuit Cover Up (view 2)La Blanca Swimsuit Cover Up (view 1)
    View Product: La Blanca Swimsuit Cover Up

    La Blanca

    Swimsuit Cover Up
    Size Med
    $55.99
    55% off estimated retail
    Lane Bryant Swimsuit Cover Up (view 2)Lane Bryant Swimsuit Cover Up (view 1)
    View Product: Lane Bryant Swimsuit Cover Up

    Lane Bryant

    Swimsuit Cover Up
    Size 18 Plus
    $22.99
    59% off estimated retail
    Natural Life Swimsuit Cover Up (view 2)Natural Life Swimsuit Cover Up (view 1)
    View Product: Natural Life Swimsuit Cover Up

    Natural Life

    Swimsuit Cover Up
    Size Sm
    $20.99
    50% off estimated retail
    Hue Swimsuit Cover Up (view 2)Hue Swimsuit Cover Up (view 1)
    View Product: Hue Swimsuit Cover Up

    Hue

    Swimsuit Cover Up
    Size XL
    $13.99
    75% off estimated retail
    Victoria Sport One Piece Swimsuit (view 2)Victoria Sport One Piece Swimsuit (view 1)
    View Product: Victoria Sport One Piece Swimsuit

    Victoria Sport

    One Piece Swimsuit
    Size Sm
    $16.99
    55% off estimated retail
    PatBO One Piece Swimsuit (view 2)PatBO One Piece Swimsuit (view 1)
    View Product: PatBO One Piece Swimsuit

    PatBO

    One Piece Swimsuit
    Size Lg
    $378.99
    32% off estimated retail
    J.Crew Board Shorts (view 2)J.Crew Board Shorts (view 1)
    View Product: J.Crew Board Shorts

    J.Crew

    Board Shorts
    Size 0
    $25.99
    75% off estimated retail
    WeWoreWhat Swimsuit Cover Up (view 2)WeWoreWhat Swimsuit Cover Up (view 1)New With Tags
    View Product: WeWoreWhat Swimsuit Cover Up

    WeWoreWhat

    Swimsuit Cover Up
    Size XL
    $17.99
    64% off estimated retail
    Lucky Brand Swimsuit Cover Up (view 2)Lucky Brand Swimsuit Cover Up (view 1)
    View Product: Lucky Brand Swimsuit Cover Up

    Lucky Brand

    Swimsuit Cover Up
    Size Med
    $33.99
    71% off estimated retail
    Vestidos Swimsuit Top (view 2)Vestidos Swimsuit Top (view 1)
    View Product: Vestidos Swimsuit Top

    Vestidos

    Swimsuit Top
    Size Sm
    $15.99
    36% off estimated retail
    Vestidos Swimsuit Bottoms (view 2)Vestidos Swimsuit Bottoms (view 1)
    View Product: Vestidos Swimsuit Bottoms

    Vestidos

    Swimsuit Bottoms
    Size Sm
    $15.99
    36% 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 Med
    $13.99
    44% off estimated retail
    Sun & Shadow Swimsuit Cover Up (view 2)Sun & Shadow Swimsuit Cover Up (view 1)
    View Product: Sun & Shadow Swimsuit Cover Up

    Sun & Shadow

    Swimsuit Cover Up
    Size Med
    $19.99
    47% off estimated retail
    Wild Fable Swimsuit Top (view 2)Wild Fable Swimsuit Top (view 1)
    View Product: Wild Fable Swimsuit Top

    Wild Fable

    Swimsuit Top
    Size Sm
    $12.99
    50% off estimated retail
    IRO Swimsuit Cover Up (view 2)IRO Swimsuit Cover Up (view 1)
    View Product: IRO Swimsuit Cover Up

    IRO

    Swimsuit Cover Up
    Size 38 french
    $49.99
    82% off estimated retail
    Boden Swimsuit Cover Up (view 2)Boden Swimsuit Cover Up (view 1)
    View Product: Boden Swimsuit Cover Up

    Boden

    Swimsuit Cover Up
    Size 6
    $33.99
    70% 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
    $18.99
    50% off estimated retail
    Talbots Swimsuit Cover Up (view 2)Talbots Swimsuit Cover Up (view 1)
    View Product: Talbots Swimsuit Cover Up

    Talbots

    Swimsuit Cover Up
    Size Lg
    $26.99
    73% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size Sm
    $20.99
    53% off estimated retail
    La Blanca Swimsuit Cover Up (view 2)La Blanca Swimsuit Cover Up (view 1)
    View Product: La Blanca Swimsuit Cover Up

    La Blanca

    Swimsuit Cover Up
    Size Sm
    $25.99
    54% off estimated retail
    Lively Swimsuit Bottoms (view 2)Lively Swimsuit Bottoms (view 1)
    View Product: Lively Swimsuit Bottoms

    Lively

    Swimsuit Bottoms
    Size Med
    $20.99
    58% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size Sm
    $20.99
    44% off estimated retail
    Salt Life Board Shorts (view 2)Salt Life Board Shorts (view 1)
    View Product: Salt Life Board Shorts

    Salt Life

    Board Shorts
    Size Lg
    $16.99
    44% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size XL
    $21.99
    52% off estimated retail
    Reyn Spooner Swimsuit Cover Up (view 2)Reyn Spooner Swimsuit Cover Up (view 1)New With Tags
    View Product: Reyn Spooner Swimsuit Cover Up

    Reyn Spooner

    Swimsuit Cover Up
    Size Med
    $60.99
    60% off estimated retail
    Kona Sol Swimsuit Top (view 2)Kona Sol Swimsuit Top (view 1)
    View Product: Kona Sol Swimsuit Top

    Kona Sol

    Swimsuit Top
    Size Sm
    $16.99
    32% off estimated retail
    Seaspice Resort Wear Swimsuit Cover Up (view 2)Seaspice Resort Wear Swimsuit Cover Up (view 1)
    View Product: Seaspice Resort Wear Swimsuit Cover Up

    Seaspice Resort Wear

    Swimsuit Cover Up
    Size Med
    $15.99
    44% 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 XL
    $20.99
    46% off estimated retail
    Calypso St. Barth Swimsuit Cover Up (view 2)Calypso St. Barth Swimsuit Cover Up (view 1)
    View Product: Calypso St. Barth Swimsuit Cover Up

    Calypso St. Barth

    Swimsuit Cover Up
    Size XS
    $43.99
    84% off estimated retail
    J.Crew Swimsuit Cover Up (view 2)J.Crew Swimsuit Cover Up (view 1)
    View Product: J.Crew Swimsuit Cover Up

    J.Crew

    Swimsuit Cover Up
    Size XL
    $33.99
    68% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size XS
    $12.99
    18% off estimated retail
    Maiyo Swimwear One Piece Swimsuit (view 2)Maiyo Swimwear One Piece Swimsuit (view 1)
    View Product: Maiyo Swimwear One Piece Swimsuit

    Maiyo Swimwear

    One Piece Swimsuit
    Size Sm
    $63.99
    66% off estimated retail
    Becca Swimsuit Cover Up (view 2)Becca Swimsuit Cover Up (view 1)
    View Product: Becca Swimsuit Cover Up

    Becca

    Swimsuit Cover Up
    Size Med
    $17.99
    68% off estimated retail
    Billabong Swimsuit Cover Up (view 2)Billabong Swimsuit Cover Up (view 1)
    View Product: Billabong Swimsuit Cover Up

    Billabong

    Swimsuit Cover Up
    Size Sm
    $16.99
    55% off estimated retail
    Roxy Swimsuit Cover Up (view 2)Roxy Swimsuit Cover Up (view 1)
    View Product: Roxy Swimsuit Cover Up

    Roxy

    Swimsuit Cover Up
    Size Lg
    $20.99
    50% off estimated retail
    FP BEACH Swimsuit Cover Up (view 2)FP BEACH Swimsuit Cover Up (view 1)Flawed Gem
    View Product: FP BEACH Swimsuit Cover Up

    FP BEACH

    Swimsuit Cover Up
    Size XS
    $15.99
    65% off estimated retail
    Tommy Bahama Swimsuit Cover Up (view 2)Tommy Bahama Swimsuit Cover Up (view 1)
    View Product: Tommy Bahama Swimsuit Cover Up

    Tommy Bahama

    Swimsuit Cover Up
    Size Med
    $37.99
    33% off estimated retail
    Juicy Couture Swimsuit Bottoms (view 2)Juicy Couture Swimsuit Bottoms (view 1)
    View Product: Juicy Couture Swimsuit Bottoms

    Juicy Couture

    Swimsuit Bottoms
    Size Sm
    $41.99
    65% off estimated retail
    Juicy Couture Swimsuit Top (view 2)Juicy Couture Swimsuit Top (view 1)
    View Product: Juicy Couture Swimsuit Top

    Juicy Couture

    Swimsuit Top
    Size Lg
    $45.99
    65% off estimated retail
    Boston Proper Swimsuit Cover Up (view 2)Boston Proper Swimsuit Cover Up (view 1)
    View Product: Boston Proper Swimsuit Cover Up

    Boston Proper

    Swimsuit Cover Up
    Size Sm
    $24.99
    67% off estimated retail
    Ella Moss Swimsuit Cover Up (view 2)Ella Moss Swimsuit Cover Up (view 1)
    View Product: Ella Moss Swimsuit Cover Up

    Ella Moss

    Swimsuit Cover Up
    Size Med
    $34.99
    77% off estimated retail
    Juicy Couture Swimsuit Bottoms (view 2)Juicy Couture Swimsuit Bottoms (view 1)
    View Product: Juicy Couture Swimsuit Bottoms

    Juicy Couture

    Swimsuit Bottoms
    Size Med
    $41.99
    65% off estimated retail
    Juicy Couture Swimsuit Top (view 2)Juicy Couture Swimsuit Top (view 1)
    View Product: Juicy Couture Swimsuit Top

    Juicy Couture

    Swimsuit Top
    Size Med
    $41.99
    65% 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 Sm
    $16.99
    55% off estimated retail
    J.Crew Swimsuit Cover Up (view 2)J.Crew Swimsuit Cover Up (view 1)
    View Product: J.Crew Swimsuit Cover Up

    J.Crew

    Swimsuit Cover Up
    Size Sm
    $23.99
    73% off estimated retail
    Cupshe One Piece Swimsuit (view 2)Cupshe One Piece Swimsuit (view 1)Flawed Gem
    View Product: Cupshe One Piece Swimsuit

    Cupshe

    One Piece Swimsuit
    Size Med
    $12.99
    31% off estimated retail
    Gianni Bini Swimsuit Cover Up (view 2)Gianni Bini Swimsuit Cover Up (view 1)
    View Product: Gianni Bini Swimsuit Cover Up

    Gianni Bini

    Swimsuit Cover Up
    Size Sm
    $35.99
    69% off estimated retail
    Raviya Swimsuit Cover Up (view 2)Raviya Swimsuit Cover Up (view 1)
    View Product: Raviya Swimsuit Cover Up

    Raviya

    Swimsuit Cover Up
    Size Lg
    $17.99
    41% off estimated retail
    J.Crew Swimsuit Cover Up (view 2)J.Crew Swimsuit Cover Up (view 1)
    View Product: J.Crew Swimsuit Cover Up

    J.Crew

    Swimsuit Cover Up
    Size XS
    $36.99
    75% off estimated retail
    American Apparel One Piece Swimsuit (view 2)American Apparel One Piece Swimsuit (view 1)
    View Product: American Apparel One Piece Swimsuit

    American Apparel

    One Piece Swimsuit
    Size Sm
    $18.99
    57% off estimated retail
    Poupette St. Barth Swimsuit Cover Up (view 2)Poupette St. Barth Swimsuit Cover Up (view 1)New With Tags
    View Product: Poupette St. Barth Swimsuit Cover Up

    Poupette St. Barth

    Swimsuit Cover Up
    Size Med
    $100.99
    77% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size XL
    $20.99
    44% off estimated retail
    Theatrical One Piece Swimsuit (view 2)Theatrical One Piece Swimsuit (view 1)
    View Product: Theatrical One Piece Swimsuit

    Theatrical

    One Piece Swimsuit
    Size Lg
    $38.99
    64% off estimated retail
    PQ Swimsuit Cover Up (view 2)PQ Swimsuit Cover Up (view 1)New With Tags
    View Product: PQ Swimsuit Cover Up

    PQ

    Swimsuit Cover Up
    Size Med

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