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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.

50 items
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    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)Flawed Gem
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size XL
    $23.99
    62% off estimated retail
    Swimsuits for all Swimsuit Top (view 2)Swimsuits for all Swimsuit Top (view 1)Flawed Gem
    View Product: Swimsuits for all Swimsuit Top

    Swimsuits for all

    Swimsuit Top
    Size 24 Plus
    $15.99
    57% off estimated retail
    Roots One Piece Swimsuit (view 2)Roots One Piece Swimsuit (view 1)Flawed Gem
    View Product: Roots One Piece Swimsuit

    Roots

    One Piece Swimsuit
    Size 16
    $11.99
    36% off estimated retail
    Torrid One Piece Swimsuit (view 2)Torrid One Piece Swimsuit (view 1)Flawed Gem
    View Product: Torrid One Piece Swimsuit

    Torrid

    One Piece Swimsuit
    Size 2X Plus
    $17.99
    64% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Victoria's Secret Swimsuit Bottoms (view 2)Victoria's Secret Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Victoria's Secret Swimsuit Bottoms

    Victoria's Secret

    Swimsuit Bottoms
    Size XL
    $13.99
    56% off estimated retail
    Athleta Swimsuit Top (view 2)Athleta Swimsuit Top (view 1)Flawed Gem
    View Product: Athleta Swimsuit Top

    Athleta

    Swimsuit Top
    Size XL
    $22.99
    61% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)Flawed Gem
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size XL
    $13.99
    44% 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
    Lands' End Rash Guard (view 2)Lands' End Rash Guard (view 1)Flawed Gem
    View Product: Lands' End Rash Guard

    Lands' End

    Rash Guard
    Size 14
    $19.99
    78% off estimated retail
    Lauren by Ralph Lauren One Piece Swimsuit (view 2)Lauren by Ralph Lauren One Piece Swimsuit (view 1)Flawed Gem
    View Product: Lauren by Ralph Lauren One Piece Swimsuit

    Lauren by Ralph Lauren

    One Piece Swimsuit
    Size 1X Plus
    $25.99
    80% off estimated retail
    Nautica Swimsuit Bottoms (view 2)Nautica Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Nautica Swimsuit Bottoms

    Nautica

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

    Avenue

    Swimsuit Top
    Size 32 Plus
    $14.99
    53% off estimated retail
    San Lorenzo One Piece Swimsuit (view 2)San Lorenzo One Piece Swimsuit (view 1)Flawed Gem
    View Product: San Lorenzo One Piece Swimsuit

    San Lorenzo

    One Piece Swimsuit
    Size XL
    $36.99
    75% off estimated retail
    Billabong Swimsuit Bottoms (view 2)Billabong Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Billabong Swimsuit Bottoms

    Billabong

    Swimsuit Bottoms
    Size XL
    $13.99
    44% off estimated retail
    Lands' End Swimsuit Cover Up (view 2)Lands' End Swimsuit Cover Up (view 1)Flawed Gem
    View Product: Lands' End Swimsuit Cover Up

    Lands' End

    Swimsuit Cover Up
    Size 14
    $14.99
    84% off estimated retail
    Torrid Swimsuit Top (view 2)Torrid Swimsuit Top (view 1)Flawed Gem
    View Product: Torrid Swimsuit Top

    Torrid

    Swimsuit Top
    Size 1X Plus
    $20.99
    58% off estimated retail
    Calia by Carrie Underwood Swimsuit Top (view 2)Calia by Carrie Underwood Swimsuit Top (view 1)Flawed Gem
    View Product: Calia by Carrie Underwood Swimsuit Top

    Calia by Carrie Underwood

    Swimsuit Top
    Size XL
    $17.99 $12.59 30% off with code THANKU
    43% off estimated retail
    Calia by Carrie Underwood Swimsuit Bottoms (view 2)Calia by Carrie Underwood Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Calia by Carrie Underwood Swimsuit Bottoms

    Calia by Carrie Underwood

    Swimsuit Bottoms
    Size 1X Plus
    $14.99 $10.49 30% off with code THANKU
    53% off estimated retail
    J.Crew Swimsuit Bottoms (view 2)J.Crew Swimsuit Bottoms (view 1)Flawed Gem
    View Product: J.Crew Swimsuit Bottoms

    J.Crew

    Swimsuit Bottoms
    Size XL
    $17.99 $10.79 40% off with code THANKU
    67% off estimated retail
    Aerie One Piece Swimsuit (view 2)Aerie One Piece Swimsuit (view 1)Flawed Gem
    View Product: Aerie One Piece Swimsuit

    Aerie

    One Piece Swimsuit
    Size XL
    $14.99 $11.24 25% off with code THANKU
    70% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 14
    $14.99 $9.74 35% off with code THANKU
    40% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 14
    $14.99 $9.74 35% off with code THANKU
    40% off estimated retail
    Ocean Avenue Swimsuit Bottoms (view 2)Ocean Avenue Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Ocean Avenue Swimsuit Bottoms

    Ocean Avenue

    Swimsuit Bottoms
    Size 14
    $16.99 $11.89 30% off with code THANKU
    46% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size XL
    $14.99 $10.49 30% off with code THANKU
    40% off estimated retail
    Island Escape Swimsuit Top (view 2)Island Escape Swimsuit Top (view 1)Flawed Gem
    View Product: Island Escape Swimsuit Top

    Island Escape

    Swimsuit Top
    Size XL
    $10.99 $8.79 20% off with code THANKU
    15% off estimated retail
    Reebok Swimsuit Bottoms (view 2)Reebok Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Reebok Swimsuit Bottoms

    Reebok

    Swimsuit Bottoms
    Size XL
    $12.99 $9.74 25% off with code THANKU
    74% off estimated retail
    Mario Valentino One Piece Swimsuit (view 2)Mario Valentino One Piece Swimsuit (view 1)Flawed Gem
    View Product: Mario Valentino One Piece Swimsuit

    Mario Valentino

    One Piece Swimsuit
    Size 14
    $32.99 $23.09 30% off with code THANKU
    65% off estimated retail
    Calvin Klein One Piece Swimsuit (view 2)Calvin Klein One Piece Swimsuit (view 1)Flawed Gem
    View Product: Calvin Klein One Piece Swimsuit

    Calvin Klein

    One Piece Swimsuit
    Size 14
    $34.99 $19.24 45% off with code THANKU
    75% off estimated retail
    Swimsuits for all Swimsuit Top (view 2)Swimsuits for all Swimsuit Top (view 1)Flawed Gem
    View Product: Swimsuits for all Swimsuit Top

    Swimsuits for all

    Swimsuit Top
    Size 14
    $12.99 $9.09 30% off with code THANKU
    65% off estimated retail
    Billabong Swimsuit Bottoms (view 2)Billabong Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Billabong Swimsuit Bottoms

    Billabong

    Swimsuit Bottoms
    Size XL
    $13.99 $10.49 25% off with code THANKU
    44% off estimated retail
    Nautica Swimsuit Bottoms (view 2)Nautica Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Nautica Swimsuit Bottoms

    Nautica

    Swimsuit Bottoms
    Size XL
    $9.99 $7.99 20% off with code THANKU
    68% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)Flawed Gem
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $23.99 $10.80 55% off with code THANKU
    62% off estimated retail
    Billabong Swimsuit Bottoms (view 2)Billabong Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Billabong Swimsuit Bottoms

    Billabong

    Swimsuit Bottoms
    Size XL
    $13.99 $10.49 25% off with code THANKU
    44% off estimated retail
    ASOS One Piece Swimsuit (view 2)ASOS One Piece Swimsuit (view 1)Flawed Gem
    View Product: ASOS One Piece Swimsuit

    ASOS

    One Piece Swimsuit
    Size 14
    $17.99 $12.59 30% off with code THANKU
    62% off estimated retail
    Speedo Rash Guard (view 2)Speedo Rash Guard (view 1)Flawed Gem
    View Product: Speedo Rash Guard

    Speedo

    Rash Guard
    Size 1X Plus
    $8.99 $7.19 20% off with code THANKU
    76% off estimated retail
    Billabong Swimsuit Bottoms (view 2)Billabong Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Billabong Swimsuit Bottoms

    Billabong

    Swimsuit Bottoms
    Size XL
    $12.99 $9.74 25% off with code THANKU
    48% off estimated retail
    Calvin Klein Swimsuit Bottoms (view 2)Calvin Klein Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Calvin Klein Swimsuit Bottoms

    Calvin Klein

    Swimsuit Bottoms
    Size XL
    $18.99 $12.34 35% off with code THANKU
    73% off estimated retail
    Athleta Swimsuit Top (view 2)Athleta Swimsuit Top (view 1)Flawed Gem
    View Product: Athleta Swimsuit Top

    Athleta

    Swimsuit Top
    Size 14
    $46.99 $37.59 20% off with code THANKU
    20% off estimated retail
    Shade & Shore Swimsuit Top (view 2)Shade & Shore Swimsuit Top (view 1)Flawed Gem
    View Product: Shade & Shore Swimsuit Top

    Shade & Shore

    Swimsuit Top
    Size XXL
    $13.99 $10.49 25% off with code THANKU
    56% off estimated retail
    J.Crew Factory Store Swimsuit Top (view 2)J.Crew Factory Store Swimsuit Top (view 1)Flawed Gem
    View Product: J.Crew Factory Store Swimsuit Top

    J.Crew Factory Store

    Swimsuit Top
    Size XL
    $9.99 $7.99 20% off with code THANKU
    71% off estimated retail
    J.Crew Swimsuit Top (view 2)J.Crew Swimsuit Top (view 1)Flawed Gem
    View Product: J.Crew Swimsuit Top

    J.Crew

    Swimsuit Top
    Size XXL
    $23.99 $15.59 35% off with code THANKU
    65% off estimated retail
    Reebok Swimsuit Bottoms (view 2)Reebok Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Reebok Swimsuit Bottoms

    Reebok

    Swimsuit Bottoms
    Size XL
    $16.99 $11.89 30% off with code THANKU
    66% off estimated retail
    J.Crew Swimsuit Bottoms (view 2)J.Crew Swimsuit Bottoms (view 1)Flawed Gem
    View Product: J.Crew Swimsuit Bottoms

    J.Crew

    Swimsuit Bottoms
    Size XL
    $18.99 $11.39 40% off with code THANKU
    67% off estimated retail
    Nasty Gal Inc. Swimsuit Top (view 2)Nasty Gal Inc. Swimsuit Top (view 1)Flawed Gem
    View Product: Nasty Gal Inc. Swimsuit Top

    Nasty Gal Inc.

    Swimsuit Top
    Size 16
    $11.99 $8.99 25% off with code THANKU
    84% off estimated retail
    Cache Swimsuit Top (view 2)Cache Swimsuit Top (view 1)Flawed Gem
    View Product: Cache Swimsuit Top

    Cache

    Swimsuit Top
    Size XL
    $10.99 $8.24 25% off with code THANKU
    71% off estimated retail
    Kenneth Cole REACTION Swimsuit Bottoms (view 2)Kenneth Cole REACTION Swimsuit Bottoms (view 1)Flawed Gem
    View Product: Kenneth Cole REACTION Swimsuit Bottoms

    Kenneth Cole REACTION

    Swimsuit Bottoms
    Size XL
    $14.99 $10.49 30% off with code THANKU
    60% off estimated retail
    Aqua Swimsuit Top (view 2)Aqua Swimsuit Top (view 1)Flawed Gem
    View Product: Aqua Swimsuit Top

    Aqua

    Swimsuit Top
    Size 2X Plus
    $18.99 $13.29 30% off with code THANKU
    62% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)Price Drop
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 14
    $60.99 $27.45 55% off with code THANKU
    $64
    Nautica Swimsuit Top (view 2)Nautica Swimsuit Top (view 1)
    View Product: Nautica Swimsuit Top

    Nautica

    Swimsuit Top
    Size 14
    $14.99 $10.49 30% off with code THANKU
    68% off estimated retail
    Sauvage Swimsuit Top (view 2)Sauvage Swimsuit Top (view 1)Price Drop
    View Product: Sauvage Swimsuit Top

    Sauvage

    Swimsuit Top
    Size XL
    $20.99 $13.64 35% off with code THANKU
    86% off estimated retail
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