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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.

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16 items
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    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 4X Plus
    $16.99 $11.89 30% off with code HOTDEAL
    44% off estimated retail
    Shein Two Piece Swimsuit (view 2)Shein Two Piece Swimsuit (view 1)
    View Product: Shein Two Piece Swimsuit

    Shein

    Two Piece Swimsuit
    Size 4X Plus
    $10.99 $8.79 20% off with code HOTDEAL
    62% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 4X Plus
    $11.99 $8.99 25% off with code HOTDEAL
    60% off estimated retail
    Meet.Curve One Piece Swimsuit (view 2)Meet.Curve One Piece Swimsuit (view 1)New With Tags
    View Product: Meet.Curve One Piece Swimsuit

    Meet.Curve

    One Piece Swimsuit
    Size 4X Plus
    $26.99 $17.54 35% off with code HOTDEAL
    42% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Assorted Brands One Piece Swimsuit (view 2)Assorted Brands One Piece Swimsuit (view 1)New With Tags
    View Product: Assorted Brands One Piece Swimsuit

    Assorted Brands

    One Piece Swimsuit
    Size 4X Plus
    $23.99 $12.00 50% off with code HOTDEAL
    47% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 4X Plus
    $15.99 $9.59 40% off with code HOTDEAL
    48% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Price Drop
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 4X Plus
    $11.99 $6.59 45% off with code HOTDEAL
    60% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 4X Plus
    $12.99 $7.79 40% off with code HOTDEAL
    31% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 4X Plus
    $11.99 $7.19 40% off with code HOTDEAL
    37% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)Price Drop
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 4X Plus
    $12.99 $6.50 50% off with code HOTDEAL
    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 4X Plus
    $13.99 $5.60 60% off with code HOTDEAL
    52% off estimated retail
    Assorted Brands Swimsuit Bottoms (view 2)Assorted Brands Swimsuit Bottoms (view 1)Price Drop
    View Product: Assorted Brands Swimsuit Bottoms

    Assorted Brands

    Swimsuit Bottoms
    Size 4X Plus
    $15.99 $6.40 60% off with code HOTDEAL
    52% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)Price Drop
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 4X Plus
    $15.99 $6.40 60% off with code HOTDEAL
    48% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Price Drop
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 4X Plus
    $13.99 $5.60 60% off with code HOTDEAL
    52% off estimated retail
    Rose Gal Swimsuit Bottoms (view 2)Rose Gal Swimsuit Bottoms (view 1)Price Drop
    View Product: Rose Gal Swimsuit Bottoms

    Rose Gal

    Swimsuit Bottoms
    Size 4X Plus
    $11.99 $6.00 50% off with code HOTDEAL
    60% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Price Drop
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 4X Plus
    $11.99 $5.40 55% off with code HOTDEAL
    60% off estimated retail
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