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Whether you're going on vacation, heading to the beach for a day, or getting in some laps at the pool, you need a good swimsuit. Shop thredUP's selection of plus-size swimwear to find amazing items at up to 90% off estimated retail.

504 items
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    Assorted Brands Swimsuit Top (view 2)Assorted Brands Swimsuit Top (view 1)
    View Product: Assorted Brands Swimsuit Top

    Assorted Brands

    Swimsuit Top
    Size XL
    $11.99
    52% 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
    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 1X Plus
    $14.99
    53% off estimated retail
    DIXPERFECT One Piece Swimsuit (view 2)DIXPERFECT One Piece Swimsuit (view 1)
    View Product: DIXPERFECT One Piece Swimsuit

    DIXPERFECT

    One Piece Swimsuit
    Size XL
    $15.99
    57% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Assorted Brands Swimsuit Bottoms (view 2)Assorted Brands Swimsuit Bottoms (view 1)
    View Product: Assorted Brands Swimsuit Bottoms

    Assorted Brands

    Swimsuit Bottoms
    Size 16
    $12.99
    56% off estimated retail
    Swim by Cacique Swimsuit Bottoms (view 2)Swim by Cacique Swimsuit Bottoms (view 1)New With Tags
    View Product: Swim by Cacique Swimsuit Bottoms

    Swim by Cacique

    Swimsuit Bottoms
    Size 16
    $21.99
    55% off estimated retail
    Trina Turk One Piece Swimsuit (view 2)Trina Turk One Piece Swimsuit (view 1)
    View Product: Trina Turk One Piece Swimsuit

    Trina Turk

    One Piece Swimsuit
    Size 14
    $52.99
    69% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 16
    $13.99
    44% off estimated retail
    Ocean Dream Collection Swimsuit Top (view 2)Ocean Dream Collection Swimsuit Top (view 1)
    View Product: Ocean Dream Collection Swimsuit Top
    Size 16
    $25.99
    59% off estimated retail
    Miraclesuit One Piece Swimsuit (view 2)Miraclesuit One Piece Swimsuit (view 1)
    View Product: Miraclesuit One Piece Swimsuit

    Miraclesuit

    One Piece Swimsuit
    Size 14
    $42.99
    62% off estimated retail
    Swimsuits for all Swimsuit Top (view 2)Swimsuits for all Swimsuit Top (view 1)
    View Product: Swimsuits for all Swimsuit Top

    Swimsuits for all

    Swimsuit Top
    Size 16
    $19.99
    52% off estimated retail
    Unique Vintage Swimsuit Top (view 2)Unique Vintage Swimsuit Top (view 1)
    View Product: Unique Vintage Swimsuit Top

    Unique Vintage

    Swimsuit Top
    Size XXL
    $23.99
    52% off estimated retail
    Athleta Swimsuit Top (view 2)Athleta Swimsuit Top (view 1)Flawed Gem
    View Product: Athleta Swimsuit Top

    Athleta

    Swimsuit Top
    Size XL
    $40.99
    40% 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 XL
    $12.99
    56% 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 16
    $30.99
    67% off estimated retail
    Old Navy Swimsuit Top (view 2)Old Navy Swimsuit Top (view 1)
    View Product: Old Navy Swimsuit Top

    Old Navy

    Swimsuit Top
    Size XL
    $10.99
    56% off estimated retail
    Unbranded Two Piece Swimsuit (view 2)Unbranded Two Piece Swimsuit (view 1)New With Tags
    View Product: Unbranded Two Piece Swimsuit

    Unbranded

    Two Piece Swimsuit
    Size XL
    $20.99
    44% off estimated retail
    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 18 Plus
    $28.99
    69% off estimated retail
    Kona Sol One Piece Swimsuit (view 2)Kona Sol One Piece Swimsuit (view 1)New With Tags
    View Product: Kona Sol One Piece Swimsuit

    Kona Sol

    One Piece Swimsuit
    Size XL
    $28.99
    27% off estimated retail
    Swim by Cacique Swimsuit Bottoms (view 2)Swim by Cacique Swimsuit Bottoms (view 1)
    View Product: Swim by Cacique Swimsuit Bottoms

    Swim by Cacique

    Swimsuit Bottoms
    Size 14
    $24.99
    51% off estimated retail
    Island Escape Swimsuit Top (view 2)Island Escape Swimsuit Top (view 1)
    View Product: Island Escape Swimsuit Top

    Island Escape

    Swimsuit Top
    Size 14
    $8.99
    30% off estimated retail
    Island Escape Swimsuit Bottoms (view 2)Island Escape Swimsuit Bottoms (view 1)
    View Product: Island Escape Swimsuit Bottoms

    Island Escape

    Swimsuit Bottoms
    Size 16
    $8.99
    30% off estimated retail
    Boden Rash Guard (view 2)Boden Rash Guard (view 1)
    View Product: Boden Rash Guard

    Boden

    Rash Guard
    Size 14
    $30.99
    73% off estimated retail
    Cupshe Swimsuit Top (view 2)Cupshe Swimsuit Top (view 1)
    View Product: Cupshe Swimsuit Top

    Cupshe

    Swimsuit Top
    Size 14
    $16.99
    26% off estimated retail
    Shekini Swimsuit Top (view 2)Shekini Swimsuit Top (view 1)
    View Product: Shekini Swimsuit Top

    Shekini

    Swimsuit Top
    Size XL
    $10.99
    56% off estimated retail
    Boutique + Swimsuit Top (view 2)Boutique + Swimsuit Top (view 1)New With Tags
    View Product: Boutique + Swimsuit Top

    Boutique +

    Swimsuit Top
    Size 1X Plus
    $15.99
    57% off estimated retail
    Athleta Swimsuit Top (view 2)Athleta Swimsuit Top (view 1)
    View Product: Athleta Swimsuit Top

    Athleta

    Swimsuit Top
    Size XL
    $32.99
    54% off estimated retail
    Assorted Brands Swimsuit Top (view 2)Assorted Brands Swimsuit Top (view 1)
    View Product: Assorted Brands Swimsuit Top

    Assorted Brands

    Swimsuit Top
    Size 14
    $10.99
    56% 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 14
    $10.99
    56% off estimated retail
    Nike Swimsuit Top (view 2)Nike Swimsuit Top (view 1)
    View Product: Nike Swimsuit Top

    Nike

    Swimsuit Top
    Size XL
    $20.99
    58% off estimated retail
    Shekini Swimsuit Bottoms (view 2)Shekini Swimsuit Bottoms (view 1)
    View Product: Shekini Swimsuit Bottoms

    Shekini

    Swimsuit Bottoms
    Size XL
    $11.99
    52% off estimated retail
    TYR One Piece Swimsuit (view 2)TYR One Piece Swimsuit (view 1)
    View Product: TYR One Piece Swimsuit

    TYR

    One Piece Swimsuit
    Size XXL
    $24.99
    56% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $24.99
    60% off estimated retail
    Swimsuits for all One Piece Swimsuit (view 2)Swimsuits for all One Piece Swimsuit (view 1)
    View Product: Swimsuits for all One Piece Swimsuit

    Swimsuits for all

    One Piece Swimsuit
    Size 16
    $35.99
    36% off estimated retail
    Lime Ricki Swimsuit Top (view 2)Lime Ricki Swimsuit Top (view 1)
    View Product: Lime Ricki Swimsuit Top

    Lime Ricki

    Swimsuit Top
    Size 4X Plus
    $32.99
    35% 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
    $21.99
    42% off estimated retail
    Catalina One Piece Swimsuit (view 2)Catalina One Piece Swimsuit (view 1)
    View Product: Catalina One Piece Swimsuit

    Catalina

    One Piece Swimsuit
    Size XL
    $11.99
    36% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size XL
    $12.99
    56% off estimated retail
    Cocoship Swimsuit Top (view 2)Cocoship Swimsuit Top (view 1)
    View Product: Cocoship Swimsuit Top

    Cocoship

    Swimsuit Top
    Size 16
    $10.99
    42% off estimated retail
    Rose Gal Swimsuit Top (view 2)Rose Gal Swimsuit Top (view 1)
    View Product: Rose Gal Swimsuit Top

    Rose Gal

    Swimsuit Top
    Size 3X Plus
    $15.99
    36% off estimated retail
    L Space Swimsuit Bottoms (view 2)L Space Swimsuit Bottoms (view 1)New With Tags
    View Product: L Space Swimsuit Bottoms

    L Space

    Swimsuit Bottoms
    Size XL
    $19.99
    68% off estimated retail
    Speedo One Piece Swimsuit (view 2)Speedo One Piece Swimsuit (view 1)
    View Product: Speedo One Piece Swimsuit

    Speedo

    One Piece Swimsuit
    Size 26 Plus
    $39.99
    45% off estimated retail
    Swimsuits for all Swimsuit Bottoms (view 2)Swimsuits for all Swimsuit Bottoms (view 1)New With Tags
    View Product: Swimsuits for all Swimsuit Bottoms

    Swimsuits for all

    Swimsuit Bottoms
    Size 20 Plus
    $18.99
    50% off estimated retail
    Panache Swimsuit Bottoms (view 2)Panache Swimsuit Bottoms (view 1)
    View Product: Panache Swimsuit Bottoms

    Panache

    Swimsuit Bottoms
    Size XL
    $10.99
    15% off estimated retail
    La Blanca Swimsuit Top (view 2)La Blanca Swimsuit Top (view 1)
    View Product: La Blanca Swimsuit Top

    La Blanca

    Swimsuit Top
    Size 14
    $18.99
    50% off estimated retail
    Cherie Swimsuit Cover Up (view 2)Cherie Swimsuit Cover Up (view 1)
    View Product: Cherie Swimsuit Cover Up

    Cherie

    Swimsuit Cover Up
    Size XL
    $21.99
    65% off estimated retail
    Swimsuits for all Swimsuit Top (view 2)Swimsuits for all Swimsuit Top (view 1)
    View Product: Swimsuits for all Swimsuit Top

    Swimsuits for all

    Swimsuit Top
    Size 18 Plus
    $18.99
    50% 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 2X Plus
    $18.99
    50% off estimated retail
    Ava & Viv Swimsuit Top (view 2)Ava & Viv Swimsuit Top (view 1)
    View Product: Ava & Viv Swimsuit Top

    Ava & Viv

    Swimsuit Top
    Size 16
    $20.99
    30% off estimated retail
    Miken Swim Swimsuit Cover Up (view 2)Miken Swim Swimsuit Cover Up (view 1)
    View Product: Miken Swim Swimsuit Cover Up

    Miken Swim

    Swimsuit Cover Up
    Size XL
    $21.99
    52% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 14
    $26.99
    57% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 4X Plus
    $15.99
    48% 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 18 Plus
    $21.99
    52% off estimated retail
    Sonnet Shores Swimsuit Top (view 2)Sonnet Shores Swimsuit Top (view 1)
    View Product: Sonnet Shores Swimsuit Top

    Sonnet Shores

    Swimsuit Top
    Size 18 Plus
    $33.99
    46% 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 XL
    $17.99
    60% 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 XL
    $16.99
    55% off estimated retail
    Jantzen Swimsuit Top (view 2)Jantzen Swimsuit Top (view 1)
    View Product: Jantzen Swimsuit Top

    Jantzen

    Swimsuit Top
    Size 14
    $12.99
    65% off estimated retail
    Nicolita Swimsuit Top (view 2)Nicolita Swimsuit Top (view 1)
    View Product: Nicolita Swimsuit Top

    Nicolita

    Swimsuit Top
    Size XL
    $28.99
    61% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 2X Plus
    $13.99
    52% 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 XL
    $23.99
    47% off estimated retail
    Nicole Miller One Piece Swimsuit (view 2)Nicole Miller One Piece Swimsuit (view 1)New With Tags
    View Product: Nicole Miller One Piece Swimsuit

    Nicole Miller

    One Piece Swimsuit
    Size XL
    $42.99
    74% 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
    $37.99
    75% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $12.99
    48% off estimated retail
    Andie One Piece Swimsuit (view 2)Andie One Piece Swimsuit (view 1)
    View Product: Andie One Piece Swimsuit

    Andie

    One Piece Swimsuit
    Size XL Tall

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