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.

697 items
Sort by:
    Cocoship Swimsuit Top (view 2)Cocoship Swimsuit Top (view 1)
    View Product: Cocoship Swimsuit Top

    Cocoship

    Swimsuit Top
    Size XXL
    $15.99
    15% 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 0X Plus
    $17.99
    52% off estimated retail
    Rue Blue One Piece Swimsuit (view 2)Rue Blue One Piece Swimsuit (view 1)
    View Product: Rue Blue One Piece Swimsuit

    Rue Blue

    One Piece Swimsuit
    Size 1X Plus
    $25.99
    65% off estimated retail
    Septangle Swimsuit Top (view 2)Septangle Swimsuit Top (view 1)New With Tags
    View Product: Septangle Swimsuit Top

    Septangle

    Swimsuit Top
    Size 20 Plus
    $12.99
    18% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    ELOQUII One Piece Swimsuit (view 2)ELOQUII One Piece Swimsuit (view 1)
    View Product: ELOQUII One Piece Swimsuit

    ELOQUII

    One Piece Swimsuit
    Size 16 Plus
    $23.99
    68% 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 XXL
    $15.99
    36% off estimated retail
    Salt Life Swimsuit Top (view 2)Salt Life Swimsuit Top (view 1)New With Tags
    View Product: Salt Life Swimsuit Top

    Salt Life

    Swimsuit Top
    Size XL
    $17.99
    52% off estimated retail
    SWIM 365 Swimsuit Cover Up (view 2)SWIM 365 Swimsuit Cover Up (view 1)
    View Product: SWIM 365 Swimsuit Cover Up

    SWIM 365

    Swimsuit Cover Up
    Size 20 Plus
    $11.99
    36% off estimated retail
    Summersalt One Piece Swimsuit (view 2)Summersalt One Piece Swimsuit (view 1)
    View Product: Summersalt One Piece Swimsuit

    Summersalt

    One Piece Swimsuit
    Size 14
    $32.99
    74% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $14.99
    40% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size XL
    $12.99
    18% off estimated retail
    Shein Swimsuit Bottoms (view 2)Shein Swimsuit Bottoms (view 1)
    View Product: Shein Swimsuit Bottoms

    Shein

    Swimsuit Bottoms
    Size XL
    $10.99
    31% off estimated retail
    MATTE Collection One Piece Swimsuit (view 2)MATTE Collection One Piece Swimsuit (view 1)
    View Product: MATTE Collection One Piece Swimsuit

    MATTE Collection

    One Piece Swimsuit
    Size 1X Plus
    $18.99
    34% off estimated retail
    Leilani Swimsuit Top (view 2)Leilani Swimsuit Top (view 1)
    View Product: Leilani Swimsuit Top

    Leilani

    Swimsuit Top
    Size 14
    $12.99
    59% off estimated retail
    ASOS Swimsuit Bottoms (view 2)ASOS Swimsuit Bottoms (view 1)
    View Product: ASOS Swimsuit Bottoms

    ASOS

    Swimsuit Bottoms
    Size 18 Plus
    $21.99
    31% 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 2X Plus
    $16.99
    55% off estimated retail
    Torrid Swimsuit Top (view 2)Torrid Swimsuit Top (view 1)New With Tags
    View Product: Torrid Swimsuit Top

    Torrid

    Swimsuit Top
    Size 5X Plus
    $33.99
    59% off estimated retail
    H&M Swimsuit Cover Up (view 2)H&M Swimsuit Cover Up (view 1)
    View Product: H&M Swimsuit Cover Up

    H&M

    Swimsuit Cover Up
    Size XL
    $14.99
    50% off estimated retail
    J.Crew Swimsuit Top (view 2)J.Crew Swimsuit Top (view 1)
    View Product: J.Crew Swimsuit Top

    J.Crew

    Swimsuit Top
    Size XXL
    $24.99
    64% off estimated retail
    Kindle Swimsuit Top (view 2)Kindle Swimsuit Top (view 1)
    View Product: Kindle Swimsuit Top

    Kindle

    Swimsuit Top
    Size XXL
    $16.99
    55% off estimated retail
    Kortni Jeane Swimsuit Bottoms (view 2)Kortni Jeane Swimsuit Bottoms (view 1)
    View Product: Kortni Jeane Swimsuit Bottoms

    Kortni Jeane

    Swimsuit Bottoms
    Size 2X Plus
    $17.99
    52% off estimated retail
    Ocean Pacific Two Piece Swimsuit (view 2)Ocean Pacific Two Piece Swimsuit (view 1)New With Tags
    View Product: Ocean Pacific Two Piece Swimsuit

    Ocean Pacific

    Two Piece Swimsuit
    Size XL
    $19.99
    58% 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
    48% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $10.99
    56% off estimated retail
    No Boundaries One Piece Swimsuit (view 2)No Boundaries One Piece Swimsuit (view 1)
    View Product: No Boundaries One Piece Swimsuit

    No Boundaries

    One Piece Swimsuit
    Size 1X Plus
    $9.99
    47% off estimated retail
    Body Glove Swimsuit Bottoms (view 2)Body Glove Swimsuit Bottoms (view 1)New With Tags
    View Product: Body Glove Swimsuit Bottoms

    Body Glove

    Swimsuit Bottoms
    Size XL
    $19.99
    60% off estimated retail
    J.Crew One Piece Swimsuit (view 2)J.Crew One Piece Swimsuit (view 1)New With Tags
    View Product: J.Crew One Piece Swimsuit

    J.Crew

    One Piece Swimsuit
    Size 14
    $34.99
    72% off estimated retail
    Billabong Swimsuit Bottoms (view 2)Billabong Swimsuit Bottoms (view 1)
    View Product: Billabong Swimsuit Bottoms

    Billabong

    Swimsuit Bottoms
    Size XXL
    $11.99
    52% off estimated retail
    Roxy Swimsuit Bottoms (view 2)Roxy Swimsuit Bottoms (view 1)
    View Product: Roxy Swimsuit Bottoms

    Roxy

    Swimsuit Bottoms
    Size XL
    $10.99
    56% off estimated retail
    Xhilaration Swimsuit Bottoms (view 2)Xhilaration Swimsuit Bottoms (view 1)
    View Product: Xhilaration Swimsuit Bottoms

    Xhilaration

    Swimsuit Bottoms
    Size XL
    $6.99
    46% off estimated retail
    Xhilaration Swimsuit Top (view 2)Xhilaration Swimsuit Top (view 1)
    View Product: Xhilaration Swimsuit Top

    Xhilaration

    Swimsuit Top
    Size XL
    $6.99
    46% off estimated retail
    Shein One Piece Swimsuit (view 2)Shein One Piece Swimsuit (view 1)
    View Product: Shein One Piece Swimsuit

    Shein

    One Piece Swimsuit
    Size 24 Plus
    $12.99
    45% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    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
    $15.99
    50% off estimated retail
    Coco Swimsuit Top (view 2)Coco Swimsuit Top (view 1)
    View Product: Coco Swimsuit Top

    Coco

    Swimsuit Top
    Size XL
    $19.99
    47% 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
    $23.99
    52% 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 XXL
    $12.99
    48% 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 2X Plus
    $12.99
    48% off estimated retail
    Dippin Daisy's Swimwear Swimsuit Top (view 2)Dippin Daisy's Swimwear Swimsuit Top (view 1)New With Tags
    View Product: Dippin Daisy's Swimwear Swimsuit Top
    Size 3X Plus
    $11.99
    52% off estimated retail
    Old Navy One Piece Swimsuit (view 2)Old Navy One Piece Swimsuit (view 1)
    View Product: Old Navy One Piece Swimsuit

    Old Navy

    One Piece Swimsuit
    Size XL
    $12.99
    48% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)New With Tags
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size XL
    $9.99
    60% off estimated retail
    Venus Swimsuit Cover Up (view 2)Venus Swimsuit Cover Up (view 1)
    View Product: Venus Swimsuit Cover Up

    Venus

    Swimsuit Cover Up
    Size 1X Plus
    $14.99
    48% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size XL
    $12.99
    48% 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 XL
    $26.99
    28% 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
    Tori Praver Swimsuit Bottoms (view 2)Tori Praver Swimsuit Bottoms (view 1)
    View Product: Tori Praver Swimsuit Bottoms

    Tori Praver

    Swimsuit Bottoms
    Size XL
    $25.99
    77% off estimated retail
    Island Waves Swimsuit Top (view 2)Island Waves Swimsuit Top (view 1)
    View Product: Island Waves Swimsuit Top

    Island Waves

    Swimsuit Top
    Size 14
    $18.99
    70% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size 1X Plus
    $12.99
    48% off estimated retail
    Wonder Nation Swimsuit Top (view 2)Wonder Nation Swimsuit Top (view 1)
    View Product: Wonder Nation Swimsuit Top

    Wonder Nation

    Swimsuit Top
    Size XXL
    $9.99
    23% off estimated retail
    Maaji Swimsuit Top (view 2)Maaji Swimsuit Top (view 1)New With Tags
    View Product: Maaji Swimsuit Top

    Maaji

    Swimsuit Top
    Size 16
    $27.99
    68% off estimated retail
    Jamaica Bay Swimsuit Top (view 2)Jamaica Bay Swimsuit Top (view 1)
    View Product: Jamaica Bay Swimsuit Top

    Jamaica Bay

    Swimsuit Top
    Size 18 Plus
    $10.99
    42% 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
    $12.99
    59% off estimated retail
    Wonder Nation Swimsuit Bottoms (view 2)Wonder Nation Swimsuit Bottoms (view 1)
    View Product: Wonder Nation Swimsuit Bottoms

    Wonder Nation

    Swimsuit Bottoms
    Size 18 Plus
    $9.99
    23% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $14.99
    40% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 5X Plus
    $10.99 $8.79 20% off with code SHINE
    31% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 2X Plus
    $8.99 $7.19 20% off with code SHINE
    43% off estimated retail

    Loading...