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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.

384 items
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    Fabletics One Piece Swimsuit (view 2)Fabletics One Piece Swimsuit (view 1)New With Tags
    View Product: Fabletics One Piece Swimsuit

    Fabletics

    One Piece Swimsuit
    Size XL
    $30.99
    55% off estimated retail
    Cupshe One Piece Swimsuit (view 2)Cupshe One Piece Swimsuit (view 1)
    View Product: Cupshe One Piece Swimsuit

    Cupshe

    One Piece Swimsuit
    Size XL
    $19.99
    31% off estimated retail
    Nike One Piece Swimsuit (view 2)Nike One Piece Swimsuit (view 1)New With Tags
    View Product: Nike One Piece Swimsuit

    Nike

    One Piece Swimsuit
    Size XL
    $11.99
    23% 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 1X Plus
    $18.99
    36% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Show Me Your Mumu X Barbie Swimsuit Bottoms (view 2)Show Me Your Mumu X Barbie Swimsuit Bottoms (view 1)New With Tags
    View Product: Show Me Your Mumu X Barbie Swimsuit Bottoms
    Size 0X Plus
    $26.99
    69% off estimated retail
    Show Me Your Mumu X Barbie Swimsuit Top (view 2)Show Me Your Mumu X Barbie Swimsuit Top (view 1)
    View Product: Show Me Your Mumu X Barbie Swimsuit Top
    Size 1X Plus
    $26.99
    69% off estimated retail
    Burberry One Piece Swimsuit (view 2)Burberry One Piece Swimsuit (view 1)
    View Product: Burberry One Piece Swimsuit

    Burberry

    One Piece Swimsuit
    Size XL
    $175.99
    71% off estimated retail
    Gavin One Piece Swimsuit (view 2)Gavin One Piece Swimsuit (view 1)
    View Product: Gavin One Piece Swimsuit

    Gavin

    One Piece Swimsuit
    Size 26 Plus
    $20.99
    31% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size XL
    $9.99
    60% 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
    Xhilaration Swimsuit Top (view 2)Xhilaration Swimsuit Top (view 1)
    View Product: Xhilaration Swimsuit Top

    Xhilaration

    Swimsuit Top
    Size XL
    $9.99
    38% off estimated retail
    Kona Sol Two Piece Swimsuit (view 2)Kona Sol Two Piece Swimsuit (view 1)New With Tags
    View Product: Kona Sol Two Piece Swimsuit

    Kona Sol

    Two Piece Swimsuit
    Size XL
    $16.99
    32% off estimated retail
    LOFT Beach Swimsuit Top (view 2)LOFT Beach Swimsuit Top (view 1)Flawed Gem
    View Product: LOFT Beach Swimsuit Top

    LOFT Beach

    Swimsuit Top
    Size 24 Plus
    $22.99
    50% off estimated retail
    SKIMS Swimsuit Top (view 2)SKIMS Swimsuit Top (view 1)
    View Product: SKIMS Swimsuit Top

    SKIMS

    Swimsuit Top
    Size XL
    $17.99
    60% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 14
    $13.99
    44% 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
    $17.99
    40% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 2X Plus
    $12.99
    56% off estimated retail
    Victoria's Secret Pink Swimsuit Bottoms (view 2)Victoria's Secret Pink Swimsuit Bottoms (view 1)
    View Product: Victoria's Secret Pink Swimsuit Bottoms

    Victoria's Secret Pink

    Swimsuit Bottoms
    Size XXL
    $21.99
    28% off estimated retail
    Seafolly One Piece Swimsuit (view 2)Seafolly One Piece Swimsuit (view 1)New With Tags
    View Product: Seafolly One Piece Swimsuit

    Seafolly

    One Piece Swimsuit
    Size 14
    $68.99
    65% 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 18 Plus
    $28.99
    36% off estimated retail
    SKIMS Swimsuit Top (view 2)SKIMS Swimsuit Top (view 1)New With Tags
    View Product: SKIMS Swimsuit Top

    SKIMS

    Swimsuit Top
    Size 4X Plus
    $25.99
    44% off estimated retail
    Trina Turk One Piece Swimsuit (view 2)Trina Turk One Piece Swimsuit (view 1)New With Tags
    View Product: Trina Turk One Piece Swimsuit

    Trina Turk

    One Piece Swimsuit
    Size 14
    $60.99
    69% off estimated retail
    JMP The Label One Piece Swimsuit (view 2)JMP The Label One Piece Swimsuit (view 1)
    View Product: JMP The Label One Piece Swimsuit

    JMP The Label

    One Piece Swimsuit
    Size XL
    $37.99
    60% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)New With Tags
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size XL
    $11.99
    60% off estimated retail
    B2Prity One Piece Swimsuit (view 2)B2Prity One Piece Swimsuit (view 1)
    View Product: B2Prity One Piece Swimsuit

    B2Prity

    One Piece Swimsuit
    Size 2X Plus
    $22.99
    42% off estimated retail
    Tory Burch Swimsuit Top (view 2)Tory Burch Swimsuit Top (view 1)New With Tags
    View Product: Tory Burch Swimsuit Top

    Tory Burch

    Swimsuit Top
    Size XL
    $44.99
    64% off estimated retail

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