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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    Downeast Swimsuit Top (view 2)Downeast Swimsuit Top (view 1)New With Tags
    View Product: Downeast Swimsuit Top

    Downeast

    Swimsuit Top
    Size XL
    $25.99
    38% off estimated retail
    Downeast Swimsuit Bottoms (view 2)Downeast Swimsuit Bottoms (view 1)New With Tags
    View Product: Downeast Swimsuit Bottoms

    Downeast

    Swimsuit Bottoms
    Size XL
    $12.99
    53% off estimated retail
    Kona Sol Swimsuit Top (view 2)Kona Sol Swimsuit Top (view 1)New With Tags
    View Product: Kona Sol Swimsuit Top

    Kona Sol

    Swimsuit Top
    Size 1X Plus
    $20.99
    16% off estimated retail
    Torrid Swimsuit Top (view 2)Torrid Swimsuit Top (view 1)
    View Product: Torrid Swimsuit Top

    Torrid

    Swimsuit Top
    Size 3X Plus
    $24.99
    51% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    La Blanca One Piece Swimsuit (view 2)La Blanca One Piece Swimsuit (view 1)New With Tags
    View Product: La Blanca One Piece Swimsuit

    La Blanca

    One Piece Swimsuit
    Size 16
    $27.99
    50% off estimated retail
    Swim by Cacique Swimsuit Top (view 2)Swim by Cacique Swimsuit Top (view 1)
    View Product: Swim by Cacique Swimsuit Top

    Swim by Cacique

    Swimsuit Top
    Size 1X Plus
    $24.99
    51% off estimated retail
    Pure Energy Swimsuit Top (view 2)Pure Energy Swimsuit Top (view 1)
    View Product: Pure Energy Swimsuit Top

    Pure Energy

    Swimsuit Top
    Size 18 Plus
    $12.99
    31% off estimated retail
    Athleta Swimsuit Top (view 2)Athleta Swimsuit Top (view 1)
    View Product: Athleta Swimsuit Top

    Athleta

    Swimsuit Top
    Size XL
    $24.99
    57% off estimated retail
    Cupshe Swimsuit Top (view 2)Cupshe Swimsuit Top (view 1)
    View Product: Cupshe Swimsuit Top

    Cupshe

    Swimsuit Top
    Size XL
    $8.99
    52% 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 XL
    $14.99
    40% off estimated retail
    Xhilaration One Piece Swimsuit (view 2)Xhilaration One Piece Swimsuit (view 1)New With Tags
    View Product: Xhilaration One Piece Swimsuit

    Xhilaration

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

    Athleta

    Swimsuit Top
    Size XL
    $27.99
    52% off estimated retail
    Swimsuits for all Swimsuit Bottoms (view 2)Swimsuits for all Swimsuit Bottoms (view 1)
    View Product: Swimsuits for all Swimsuit Bottoms

    Swimsuits for all

    Swimsuit Bottoms
    Size 16
    $15.99
    57% off estimated retail
    Torrid Swimsuit Top (view 2)Torrid Swimsuit Top (view 1)
    View Product: Torrid Swimsuit Top

    Torrid

    Swimsuit Top
    Size 1X Plus
    $29.99
    41% off estimated retail
    Aerie Swimsuit Bottoms (view 2)Aerie Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Aerie Swimsuit Bottoms

    Aerie

    Swimsuit Bottoms
    Size XL
    $13.99
    44% 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
    $19.99
    47% off estimated retail
    Seafolly Swimsuit Bottoms (view 2)Seafolly Swimsuit Bottoms (view 1)
    View Product: Seafolly Swimsuit Bottoms

    Seafolly

    Swimsuit Bottoms
    Size 14
    $91.99
    20% off estimated retail
    City Chic One Piece Swimsuit (view 2)City Chic One Piece Swimsuit (view 1)
    View Product: City Chic One Piece Swimsuit

    City Chic

    One Piece Swimsuit
    Size 18 Plus
    $34.99
    63% off estimated retail
    Athleta Swimsuit Top (view 2)Athleta Swimsuit Top (view 1)
    View Product: Athleta Swimsuit Top

    Athleta

    Swimsuit Top
    Size XL
    $26.99
    54% off estimated retail
    Aerie One Piece Swimsuit (view 2)Aerie One Piece Swimsuit (view 1)New With Tags
    View Product: Aerie One Piece Swimsuit

    Aerie

    One Piece Swimsuit
    Size XL Tall
    $15.99
    57% off estimated retail
    Avenue Swimsuit Top (view 2)Avenue Swimsuit Top (view 1)
    View Product: Avenue Swimsuit Top

    Avenue

    Swimsuit Top
    Size 26 Plus
    $14.99
    53% off estimated retail
    Swim by Cacique Swimsuit Top (view 2)Swim by Cacique Swimsuit Top (view 1)
    View Product: Swim by Cacique Swimsuit Top

    Swim by Cacique

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

    Swimsuits for all

    Swimsuit Bottoms
    Size 16
    $16.99
    55% off estimated retail
    Athleta One Piece Swimsuit (view 2)Athleta One Piece Swimsuit (view 1)
    View Product: Athleta One Piece Swimsuit

    Athleta

    One Piece Swimsuit
    Size XL
    $57.99
    40% off estimated retail
    Hula Honey Swimsuit Top (view 2)Hula Honey Swimsuit Top (view 1)
    View Product: Hula Honey Swimsuit Top

    Hula Honey

    Swimsuit Top
    Size XL
    $14.99
    21% off estimated retail
    Athleta Rash Guard (view 2)Athleta Rash Guard (view 1)
    View Product: Athleta Rash Guard

    Athleta

    Rash Guard
    Size XL
    $40.99
    51% 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 XL
    $10.99
    56% 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 XL
    $18.99
    40% off estimated retail
    Ceeb Swimsuit Top (view 2)Ceeb Swimsuit Top (view 1)
    View Product: Ceeb Swimsuit Top

    Ceeb

    Swimsuit Top
    Size 16
    $19.99
    60% off estimated retail
    Torrid One Piece Swimsuit (view 2)Torrid One Piece Swimsuit (view 1)
    View Product: Torrid One Piece Swimsuit

    Torrid

    One Piece Swimsuit
    Size 3X Plus
    $34.99
    53% off estimated retail
    IBIZA One Piece Swimsuit (view 2)IBIZA One Piece Swimsuit (view 1)New With Tags
    View Product: IBIZA One Piece Swimsuit

    IBIZA

    One Piece Swimsuit
    Size 1X Plus
    $17.99
    52% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XXL
    $12.99
    48% off estimated retail
    St. John's Bay Swimsuit Top (view 2)St. John's Bay Swimsuit Top (view 1)
    View Product: St. John's Bay Swimsuit Top

    St. John's Bay

    Swimsuit Top
    Size 16
    $11.99
    52% off estimated retail
    Swim by Cacique Swimsuit Top (view 2)Swim by Cacique Swimsuit Top (view 1)
    View Product: Swim by Cacique Swimsuit Top

    Swim by Cacique

    Swimsuit Top
    Size 1X Plus
    $22.99
    54% 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 20 Plus
    $23.99
    62% off estimated retail

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