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.

127 items
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    Anne Cole Swimsuit Top (view 2)Anne Cole Swimsuit Top (view 1)New With Tags
    View Product: Anne Cole Swimsuit Top

    Anne Cole

    Swimsuit Top
    Size 1X Plus
    $22.99
    54% off estimated retail
    Torrid Wireless Crewneck Sleeve Swimsuit Top (view 2)Torrid Wireless Crewneck Sleeve Swimsuit Top (view 1)Flawed Gem
    View Product: Torrid Wireless Crewneck Sleeve Swimsuit Top

    Torrid

    Wireless Crewneck Sleeve Swimsuit Top
    Size 1X Plus
    $12.99
    77% off estimated retail
    Birdsong Swimsuit Top (view 2)Birdsong Swimsuit Top (view 1)
    View Product: Birdsong Swimsuit Top

    Birdsong

    Swimsuit Top
    Size 1X Plus
    $45.99
    54% 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 1X Plus
    $12.99
    31% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Catalina One Piece Swimsuit (view 2)Catalina One Piece Swimsuit (view 1)New With Tags
    View Product: Catalina One Piece Swimsuit

    Catalina

    One Piece Swimsuit
    Size 1X Plus
    $16.99
    22% 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 1X Plus
    $16.99
    32% 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 1X Plus
    $14.99
    21% off estimated retail
    Lane Bryant Swimsuit Top (view 2)Lane Bryant Swimsuit Top (view 1)
    View Product: Lane Bryant Swimsuit Top

    Lane Bryant

    Swimsuit Top
    Size 1X Plus
    $14.99
    60% 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 1X Plus
    $13.99
    26% off estimated retail
    Torrid Swimsuit Top (view 2)Torrid Swimsuit Top (view 1)
    View Product: Torrid Swimsuit Top

    Torrid

    Swimsuit Top
    Size 1X Plus
    $21.99
    56% 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 1X Plus
    $29.99
    60% off estimated retail
    Torrid Swimsuit Top (view 2)Torrid Swimsuit Top (view 1)
    View Product: Torrid Swimsuit Top

    Torrid

    Swimsuit Top
    Size 1X Plus
    $23.99
    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
    $21.99
    56% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 1X Plus
    $10.99
    56% off estimated retail
    La Blanca Swimsuit Cover Up (view 2)La Blanca Swimsuit Cover Up (view 1)New With Tags
    View Product: La Blanca Swimsuit Cover Up

    La Blanca

    Swimsuit Cover Up
    Size 1X Plus
    $19.99
    64% off estimated retail
    Boutique + One Piece Swimsuit (view 2)Boutique + One Piece Swimsuit (view 1)
    View Product: Boutique + One Piece Swimsuit

    Boutique +

    One Piece Swimsuit
    Size 1X Plus
    $22.99
    59% off estimated retail
    Freshwater Swimsuit Bottoms (view 2)Freshwater Swimsuit Bottoms (view 1)New With Tags
    View Product: Freshwater Swimsuit Bottoms

    Freshwater

    Swimsuit Bottoms
    Size 1X Plus
    $22.99
    39% 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 1X Plus
    $10.99
    56% off estimated retail
    Tara Grinna Swimsuit Top (view 2)Tara Grinna Swimsuit Top (view 1)
    View Product: Tara Grinna Swimsuit Top

    Tara Grinna

    Swimsuit Top
    Size 1X Plus
    $20.99
    58% off estimated retail
    Torrid Swimsuit Top (view 2)Torrid Swimsuit Top (view 1)
    View Product: Torrid Swimsuit Top

    Torrid

    Swimsuit Top
    Size 1X Plus
    $25.99
    49% off estimated retail
    Torrid Swimsuit Bottoms (view 2)Torrid Swimsuit Bottoms (view 1)
    View Product: Torrid Swimsuit Bottoms

    Torrid

    Swimsuit Bottoms
    Size 1X Plus
    $25.99
    49% off estimated retail
    Catalina Swimsuit Top (view 2)Catalina Swimsuit Top (view 1)
    View Product: Catalina Swimsuit Top

    Catalina

    Swimsuit Top
    Size 1X Plus
    $8.99
    30% off estimated retail
    Fashion Nova One Piece Swimsuit (view 2)Fashion Nova One Piece Swimsuit (view 1)New With Tags
    View Product: Fashion Nova One Piece Swimsuit

    Fashion Nova

    One Piece Swimsuit
    Size 1X Plus
    $11.99
    36% 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
    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
    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
    Colada California Swimsuit Top (view 2)Colada California Swimsuit Top (view 1)
    View Product: Colada California Swimsuit Top

    Colada California

    Swimsuit Top
    Size 1X Plus
    $15.99
    15% off estimated retail
    Torrid Swimsuit Bottoms (view 2)Torrid Swimsuit Bottoms (view 1)
    View Product: Torrid Swimsuit Bottoms

    Torrid

    Swimsuit Bottoms
    Size 1X Plus
    $19.99 $9.00 55% off with code SHINE
    60% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 1X Plus
    $12.99 $9.09 30% off with code SHINE
    18% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 1X Plus
    $8.99 $7.19 20% off with code SHINE
    43% off estimated retail
    HARARI Swimsuit Bottoms (view 2)HARARI Swimsuit Bottoms (view 1)
    View Product: HARARI Swimsuit Bottoms

    HARARI

    Swimsuit Bottoms
    Size 1X Plus
    $12.99 $9.74 25% off with code SHINE
    65% off estimated retail
    Bali Swimsuit Top (view 2)Bali Swimsuit Top (view 1)
    View Product: Bali Swimsuit Top

    Bali

    Swimsuit Top
    Size 1X Plus
    Merona One Piece Swimsuit (view 2)Merona One Piece Swimsuit (view 1)
    View Product: Merona One Piece Swimsuit

    Merona

    One Piece Swimsuit
    Size 1X Plus
    DSG Swimsuit Bottoms (view 2)DSG Swimsuit Bottoms (view 1)
    View Product: DSG Swimsuit Bottoms

    DSG

    Swimsuit Bottoms
    Size 1X Plus
    Deb Swimsuit Top (view 2)Deb Swimsuit Top (view 1)
    View Product: Deb Swimsuit Top

    Deb

    Swimsuit Top
    Size 1X Plus
    $9.99 $7.99 20% off with code SHINE
    47% off estimated retail
    Aqua Swimsuit Top (view 2)Aqua Swimsuit Top (view 1)
    View Product: Aqua Swimsuit Top

    Aqua

    Swimsuit Top
    Size 1X Plus
    Cupshe Swimsuit Bottoms (view 2)Cupshe Swimsuit Bottoms (view 1)New With Tags
    View Product: Cupshe Swimsuit Bottoms

    Cupshe

    Swimsuit Bottoms
    Size 1X Plus
    $13.99 $7.69 45% off with code SHINE
    26% off estimated retail
    Adore Swimsuit Bottoms (view 2)Adore Swimsuit Bottoms (view 1)
    View Product: Adore Swimsuit Bottoms

    Adore

    Swimsuit Bottoms
    Size 1X Plus
    $9.99 $7.99 20% off with code SHINE
    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 1X Plus
    $11.99 $7.19 40% off with code SHINE
    25% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)Price Drop
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size 1X Plus
    $9.99 $6.49 35% off with code SHINE
    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 1X Plus
    $11.99 $6.59 45% off with code SHINE
    25% off estimated retail
    Cupshe Swimsuit Bottoms (view 2)Cupshe Swimsuit Bottoms (view 1)Price Drop
    View Product: Cupshe Swimsuit Bottoms

    Cupshe

    Swimsuit Bottoms
    Size 1X Plus
    $13.99 $7.00 50% off with code SHINE
    26% off estimated retail
    Apt. 9 One Piece Swimsuit (view 2)Apt. 9 One Piece Swimsuit (view 1)Price Drop
    View Product: Apt. 9 One Piece Swimsuit

    Apt. 9

    One Piece Swimsuit
    Size 1X Plus
    rue21 Swimsuit Top (view 2)rue21 Swimsuit Top (view 1)Price Drop
    View Product: rue21 Swimsuit Top

    rue21

    Swimsuit Top
    Size 1X Plus
    $10.99 $8.79 20% off with code SHINE
    15% off estimated retail
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