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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.

WhiteRemove filter$10 - $25Remove filter
82 items
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    DSG Swimsuit Bottoms (view 2)DSG Swimsuit Bottoms (view 1)
    View Product: DSG Swimsuit Bottoms

    DSG

    Swimsuit Bottoms
    Size XL
    $15.99
    36% off estimated retail
    Assorted Brands Board Shorts (view 2)Assorted Brands Board Shorts (view 1)
    View Product: Assorted Brands Board Shorts

    Assorted Brands

    Board Shorts
    Size 2X Plus
    $14.99
    40% off estimated retail
    Swimsuits for all Swimsuit Cover Up (view 2)Swimsuits for all Swimsuit Cover Up (view 1)
    View Product: Swimsuits for all Swimsuit Cover Up

    Swimsuits for all

    Swimsuit Cover Up
    Size 14
    $22.99
    59% off estimated retail
    Unbranded Swimsuit Cover Up (view 2)Unbranded Swimsuit Cover Up (view 1)
    View Product: Unbranded Swimsuit Cover Up

    Unbranded

    Swimsuit Cover Up
    Size 2X Plus
    $14.99
    60% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    coastal blue Swimsuit Cover Up (view 2)coastal blue Swimsuit Cover Up (view 1)
    View Product: coastal blue Swimsuit Cover Up

    coastal blue

    Swimsuit Cover Up
    Size 1X Plus
    $25.99
    65% 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 XXL
    $17.99
    37% off estimated retail
    Roxy Two Piece Swimsuit (view 2)Roxy Two Piece Swimsuit (view 1)
    View Product: Roxy Two Piece Swimsuit

    Roxy

    Two Piece Swimsuit
    Size XL
    $19.99
    47% 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
    $20.99 $13.64 35% off with code THANKU
    44% off estimated retail
    Liz & Me Swimsuit Cover Up (view 2)Liz & Me Swimsuit Cover Up (view 1)
    View Product: Liz & Me Swimsuit Cover Up

    Liz & Me

    Swimsuit Cover Up
    Size 3X Plus
    $17.99 $12.59 30% off with code THANKU
    68% 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 $9.74 25% off with code THANKU
    48% off estimated retail
    Aqua Swimsuit Top (view 2)Aqua Swimsuit Top (view 1)New With Tags
    View Product: Aqua Swimsuit Top

    Aqua

    Swimsuit Top
    Size XL
    $19.99 $12.99 35% off with code THANKU
    60% off estimated retail
    Aqua Swimsuit Cover Up (view 2)Aqua Swimsuit Cover Up (view 1)New With Tags
    View Product: Aqua Swimsuit Cover Up

    Aqua

    Swimsuit Cover Up
    Size XL
    $21.99 $14.29 35% off with code THANKU
    71% off estimated retail
    Bobi Swimsuit Cover Up (view 2)Bobi Swimsuit Cover Up (view 1)
    View Product: Bobi Swimsuit Cover Up

    Bobi

    Swimsuit Cover Up
    Size XL
    $15.99 $11.99 25% off with code THANKU
    57% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $13.99 $9.79 30% off with code THANKU
    44% off estimated retail
    FIGLEAVES Swimsuit Bottoms (view 2)FIGLEAVES Swimsuit Bottoms (view 1)New With Tags
    View Product: FIGLEAVES Swimsuit Bottoms

    FIGLEAVES

    Swimsuit Bottoms
    Size 16
    $13.99 $10.49 25% off with code THANKU
    44% off estimated retail
    Billabong Swimsuit Bottoms (view 2)Billabong Swimsuit Bottoms (view 1)New With Tags
    View Product: Billabong Swimsuit Bottoms

    Billabong

    Swimsuit Bottoms
    Size 14
    $21.99 $14.29 35% off with code THANKU
    60% off estimated retail
    Venus One Piece Swimsuit (view 2)Venus One Piece Swimsuit (view 1)
    View Product: Venus One Piece Swimsuit

    Venus

    One Piece Swimsuit
    Size 16
    $12.99 $10.39 20% off with code THANKU
    55% off estimated retail
    Old Navy Swimsuit Top (view 2)Old Navy Swimsuit Top (view 1)New With Tags
    View Product: Old Navy Swimsuit Top

    Old Navy

    Swimsuit Top
    Size 3X Plus
    $14.99 $9.74 35% off with code THANKU
    40% off estimated retail
    Shade & Shore Swimsuit Bottoms (view 2)Shade & Shore Swimsuit Bottoms (view 1)
    View Product: Shade & Shore Swimsuit Bottoms

    Shade & Shore

    Swimsuit Bottoms
    Size XL
    $12.99 $9.09 30% off with code THANKU
    59% off estimated retail
    Vineyard Vines Swimsuit Bottoms (view 2)Vineyard Vines Swimsuit Bottoms (view 1)New With Tags
    View Product: Vineyard Vines Swimsuit Bottoms

    Vineyard Vines

    Swimsuit Bottoms
    Size XL
    $20.99 $12.59 40% off with code THANKU
    69% off estimated retail
    MATTE Collection Swimsuit Top (view 2)MATTE Collection Swimsuit Top (view 1)
    View Product: MATTE Collection Swimsuit Top

    MATTE Collection

    Swimsuit Top
    Size XL
    $12.99 $10.39 20% off with code THANKU
    31% off estimated retail
    Draper James Swimsuit Top (view 2)Draper James Swimsuit Top (view 1)
    View Product: Draper James Swimsuit Top

    Draper James

    Swimsuit Top
    Size XL
    $25.99 $18.19 30% off with code THANKU
    70% off estimated retail
    Zaful Swimsuit Bottoms (view 2)Zaful Swimsuit Bottoms (view 1)New With Tags
    View Product: Zaful Swimsuit Bottoms

    Zaful

    Swimsuit Bottoms
    Size 1X Plus
    $14.99 $11.24 25% off with code THANKU
    40% off estimated retail
    Frankies Bikinis Swimsuit Top (view 2)Frankies Bikinis Swimsuit Top (view 1)
    View Product: Frankies Bikinis Swimsuit Top

    Frankies Bikinis

    Swimsuit Top
    Size XL
    $22.99 $12.64 45% off with code THANKU
    69% off estimated retail
    Vineyard Vines Swimsuit Bottoms (view 2)Vineyard Vines Swimsuit Bottoms (view 1)
    View Product: Vineyard Vines Swimsuit Bottoms

    Vineyard Vines

    Swimsuit Bottoms
    Size 2X Plus
    $25.99 $16.89 35% off with code THANKU
    70% off estimated retail
    Assorted Brands Swimsuit Bottoms (view 2)Assorted Brands Swimsuit Bottoms (view 1)New With Tags
    View Product: Assorted Brands Swimsuit Bottoms

    Assorted Brands

    Swimsuit Bottoms
    Size 14
    $24.99 $16.24 35% off with code THANKU
    54% off estimated retail
    La Blanca Swimsuit Bottoms (view 2)La Blanca Swimsuit Bottoms (view 1)
    View Product: La Blanca Swimsuit Bottoms

    La Blanca

    Swimsuit Bottoms
    Size 22 Plus
    $14.99 $10.49 30% off with code THANKU
    60% off estimated retail
    Athena One Piece Swimsuit (view 2)Athena One Piece Swimsuit (view 1)
    View Product: Athena One Piece Swimsuit

    Athena

    One Piece Swimsuit
    Size 14
    $19.99 $14.99 25% off with code THANKU
    58% off estimated retail
    New Directions Swimsuit Top (view 2)New Directions Swimsuit Top (view 1)
    View Product: New Directions Swimsuit Top

    New Directions

    Swimsuit Top
    Size XL
    $12.99 $10.39 20% off with code THANKU
    65% off estimated retail
    Beachsissi Swimsuit Bottoms (view 2)Beachsissi Swimsuit Bottoms (view 1)
    View Product: Beachsissi Swimsuit Bottoms

    Beachsissi

    Swimsuit Bottoms
    Size XL
    $12.99 $9.74 25% off with code THANKU
    31% off estimated retail
    Cupshe One Piece Swimsuit (view 2)Cupshe One Piece Swimsuit (view 1)New With Tags
    View Product: Cupshe One Piece Swimsuit

    Cupshe

    One Piece Swimsuit
    Size 0X Plus
    $18.99 $9.50 50% off with code THANKU
    34% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $15.99 $11.19 30% off with code THANKU
    36% 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 $9.74 25% off with code THANKU
    48% 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 $9.74 25% off with code THANKU
    48% 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 24 Plus
    $23.99 $10.80 55% off with code THANKU
    52% off estimated retail
    ASOS Swimsuit Top (view 2)ASOS Swimsuit Top (view 1)
    View Product: ASOS Swimsuit Top

    ASOS

    Swimsuit Top
    Size 14
    $15.99 $11.19 30% off with code THANKU
    50% 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 $9.74 25% off with code THANKU
    48% 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 $9.74 25% off with code THANKU
    48% 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 $7.79 40% off with code THANKU
    18% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Price Drop
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size XL
    $12.99 $9.74 25% off with code THANKU
    48% 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 $9.74 25% off with code THANKU
    48% off estimated retail
    Old Navy Swimsuit Bottoms (view 2)Old Navy Swimsuit Bottoms (view 1)Price Drop
    View Product: Old Navy Swimsuit Bottoms

    Old Navy

    Swimsuit Bottoms
    Size XL
    $12.99 $9.74 25% off with code THANKU
    48% off estimated retail
    Aqua Swimsuit Top (view 2)Aqua Swimsuit Top (view 1)New With Tags
    View Product: Aqua Swimsuit Top

    Aqua

    Swimsuit Top
    Size XL
    $20.99 $13.64 35% off with code THANKU
    58% off estimated retail
    Aqua Swimsuit Bottoms (view 2)Aqua Swimsuit Bottoms (view 1)New With Tags
    View Product: Aqua Swimsuit Bottoms

    Aqua

    Swimsuit Bottoms
    Size XL
    $17.99 $11.69 35% off with code THANKU
    62% off estimated retail
    Cocoship Swimsuit Top (view 2)Cocoship Swimsuit Top (view 1)Flawed Gem
    View Product: Cocoship Swimsuit Top

    Cocoship

    Swimsuit Top
    Size 14
    $20.99 $13.64 35% off with code THANKU
    $19
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 4X Plus
    $12.99 $8.44 35% off with code THANKU
    18% off estimated retail
    Aerie Swimsuit Bottoms (view 2)Aerie Swimsuit Bottoms (view 1)New With Tags
    View Product: Aerie Swimsuit Bottoms

    Aerie

    Swimsuit Bottoms
    Size XXL
    $18.99 $13.29 30% off with code THANKU
    45% off estimated retail
    Calzedonia Swimsuit Top (view 2)Calzedonia Swimsuit Top (view 1)New With Tags
    View Product: Calzedonia Swimsuit Top

    Calzedonia

    Swimsuit Top
    Size 32 Plus
    $17.99 $11.69 35% off with code THANKU
    28% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)Price Drop
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $12.99 $9.09 30% off with code THANKU
    48% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)Price Drop
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $12.99 $9.09 30% off with code THANKU
    48% 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 $9.09 30% off with code THANKU
    48% 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 $9.09 30% off with code THANKU
    48% off estimated retail
    Sunsets Swimsuit Bottoms (view 2)Sunsets Swimsuit Bottoms (view 1)New With Tags
    View Product: Sunsets Swimsuit Bottoms

    Sunsets

    Swimsuit Bottoms
    Size XL
    $12.99 $9.74 25% off with code THANKU
    77% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 3X Plus
    $14.99 $8.24 45% off with code THANKU
    40% off estimated retail
    Peixoto Swimsuit Bottoms (view 2)Peixoto Swimsuit Bottoms (view 1)New With Tags
    View Product: Peixoto Swimsuit Bottoms

    Peixoto

    Swimsuit Bottoms
    Size XL
    $26.99 $17.54 35% off with code THANKU
    69% off estimated retail
    Hurley One Piece Swimsuit (view 2)Hurley One Piece Swimsuit (view 1)New With Tags
    View Product: Hurley One Piece Swimsuit

    Hurley

    One Piece Swimsuit
    Size XXL
    $23.99 $16.79 30% off with code THANKU
    57% off estimated retail
    Cupshe Swimsuit Top (view 2)Cupshe Swimsuit Top (view 1)Price Drop
    View Product: Cupshe Swimsuit Top

    Cupshe

    Swimsuit Top
    Size 0X Plus
    $14.99 $7.50 50% off with code THANKU
    21% off estimated retail
    Unbranded Swimsuit Top (view 2)Unbranded Swimsuit Top (view 1)Price Drop
    View Product: Unbranded Swimsuit Top

    Unbranded

    Swimsuit Top
    Size XL
    $12.99 $9.09 30% off with code THANKU
    48% off estimated retail
    Athleta Swimsuit Bottoms (view 2)Athleta Swimsuit Bottoms (view 1)Price Drop
    View Product: Athleta Swimsuit Bottoms

    Athleta

    Swimsuit Bottoms
    Size XL
    $21.99 $11.00 50% off with code THANKU
    62% off estimated retail
    Hula Honey Swimsuit Bottoms (view 2)Hula Honey Swimsuit Bottoms (view 1)Price Drop
    View Product: Hula Honey Swimsuit Bottoms

    Hula Honey

    Swimsuit Bottoms
    Size XL
    $15.99 $11.19 30% off with code THANKU
    15% off estimated retail
    Quiksilver Swimsuit Bottoms (view 2)Quiksilver Swimsuit Bottoms (view 1)
    View Product: Quiksilver Swimsuit Bottoms

    Quiksilver

    Swimsuit Bottoms
    Size XL
    $13.99 $10.49 25% off with code THANKU
    56% 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
    $12.99 $7.79 40% off with code THANKU
    48% off estimated retail
    ASOS Swimsuit Top (view 2)ASOS Swimsuit Top (view 1)
    View Product: ASOS Swimsuit Top

    ASOS

    Swimsuit Top
    Size 14
    $15.99 $10.39 35% off with code THANKU
    50% off estimated retail
    Shein One Piece Swimsuit (view 2)Shein One Piece Swimsuit (view 1)Price Drop
    View Product: Shein One Piece Swimsuit

    Shein

    One Piece Swimsuit
    Size XL
    $12.99 $9.74 25% off with code THANKU
    45% off estimated retail
    Unbranded One Piece Swimsuit (view 2)Unbranded One Piece Swimsuit (view 1)Price Drop
    View Product: Unbranded One Piece Swimsuit

    Unbranded

    One Piece Swimsuit
    Size XL
    $15.99 $10.39 35% off with code THANKU
    68% off estimated retail
    Sand N Sun Swimsuit Cover Up (view 2)Sand N Sun Swimsuit Cover Up (view 1)Price Drop
    View Product: Sand N Sun Swimsuit Cover Up

    Sand N Sun

    Swimsuit Cover Up
    Size 2X Plus
    $17.99 $11.69 35% off with code THANKU
    68% off estimated retail
    Shein Swimsuit Cover Up (view 2)Shein Swimsuit Cover Up (view 1)Price Drop
    View Product: Shein Swimsuit Cover Up

    Shein

    Swimsuit Cover Up
    Size 1X Plus
    $13.99 $7.69 45% off with code THANKU
    41% off estimated retail
    Frankies Bikinis Swimsuit Top (view 2)Frankies Bikinis Swimsuit Top (view 1)Price Drop
    View Product: Frankies Bikinis Swimsuit Top

    Frankies Bikinis

    Swimsuit Top
    Size XL
    $22.99 $11.50 50% off with code THANKU
    69% off estimated retail
    Madewell Swimsuit Bottoms (view 2)Madewell Swimsuit Bottoms (view 1)New With Tags
    View Product: Madewell Swimsuit Bottoms

    Madewell

    Swimsuit Bottoms
    Size XL
    $18.99 $10.44 45% off with code THANKU
    70% off estimated retail
    ModCloth Swimsuit Top (view 2)ModCloth Swimsuit Top (view 1)Price Drop
    View Product: ModCloth Swimsuit Top

    ModCloth

    Swimsuit Top
    Size 1X Plus
    $12.99 $8.44 35% off with code THANKU
    59% off estimated retail
    Roxy Rash Guard (view 2)Roxy Rash Guard (view 1)Price Drop
    View Product: Roxy Rash Guard

    Roxy

    Rash Guard
    Size 14
    $12.99 $9.74 25% off with code THANKU
    65% off estimated retail
    J.Crew Swimsuit Top (view 2)J.Crew Swimsuit Top (view 1)Price Drop
    View Product: J.Crew Swimsuit Top

    J.Crew

    Swimsuit Top
    Size 32 Plus
    $12.99 $9.09 30% off with code THANKU
    82% off estimated retail
    L Space Swimsuit Bottoms (view 2)L Space Swimsuit Bottoms (view 1)Price Drop
    View Product: L Space Swimsuit Bottoms

    L Space

    Swimsuit Bottoms
    Size XL
    $14.99 $10.49 30% off with code THANKU
    76% off estimated retail
    Maaji Swimsuit Bottoms (view 2)Maaji Swimsuit Bottoms (view 1)Price Drop
    View Product: Maaji Swimsuit Bottoms

    Maaji

    Swimsuit Bottoms
    Size XL
    $15.99 $10.39 35% off with code THANKU
    82% off estimated retail
    WeWoreWhat Swimsuit Top (view 2)WeWoreWhat Swimsuit Top (view 1)Price Drop
    View Product: WeWoreWhat Swimsuit Top

    WeWoreWhat

    Swimsuit Top
    Size XL
    $14.99 $11.24 25% off with code THANKU
    76% off estimated retail
    Bingo Surf One Piece Swimsuit (view 2)Bingo Surf One Piece Swimsuit (view 1)Price Drop
    View Product: Bingo Surf One Piece Swimsuit

    Bingo Surf

    One Piece Swimsuit
    Size XL
    $12.99 $9.74 25% off with code THANKU
    65% off estimated retail
    Beachsissi Swimsuit Bottoms (view 2)Beachsissi Swimsuit Bottoms (view 1)Price Drop
    View Product: Beachsissi Swimsuit Bottoms

    Beachsissi

    Swimsuit Bottoms
    Size XL
    $12.99 $9.74 25% off with code THANKU
    55% off estimated retail
    ASOS Swimsuit Top (view 2)ASOS Swimsuit Top (view 1)Price Drop
    View Product: ASOS Swimsuit Top

    ASOS

    Swimsuit Top
    Size 32 Plus
    $12.99 $9.09 30% off with code THANKU
    59% off estimated retail
    Roxy Rash Guard (view 2)Roxy Rash Guard (view 1)Price Drop
    View Product: Roxy Rash Guard

    Roxy

    Rash Guard
    Size XL
    $12.99 $9.74 25% off with code THANKU
    65% off estimated retail
    Fantasie Swimsuit Bottoms (view 2)Fantasie Swimsuit Bottoms (view 1)Price Drop
    View Product: Fantasie Swimsuit Bottoms

    Fantasie

    Swimsuit Bottoms
    Size XL
    $15.99 $10.39 35% off with code THANKU
    78% off estimated retail
    Seafolly Swimsuit Bottoms (view 2)Seafolly Swimsuit Bottoms (view 1)Price Drop
    View Product: Seafolly Swimsuit Bottoms

    Seafolly

    Swimsuit Bottoms
    Size 16
    $14.99 $9.74 35% off with code THANKU
    86% off estimated retail
    Seafolly Swimsuit Top (view 2)Seafolly Swimsuit Top (view 1)Price Drop
    View Product: Seafolly Swimsuit Top

    Seafolly

    Swimsuit Top
    Size 14
    $12.99 $8.44 35% off with code THANKU
    88% off estimated retail
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