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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.

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    Solid & Striped Swimsuit Bottoms (view 2)Solid & Striped Swimsuit Bottoms (view 1)New With Tags
    View Product: Solid & Striped Swimsuit Bottoms

    Solid & Striped

    Swimsuit Bottoms
    Size XL
    $38.99 $21.44 45% off with code GOBIG
    66% off estimated retail
    J.Crew Swimsuit Cover Up (view 2)J.Crew Swimsuit Cover Up (view 1)
    View Product: J.Crew Swimsuit Cover Up

    J.Crew

    Swimsuit Cover Up
    Size XL
    $28.99 $15.94 45% off with code GOBIG
    67% off estimated retail
    Jones New York Swimsuit Bottoms (view 2)Jones New York Swimsuit Bottoms (view 1)
    View Product: Jones New York Swimsuit Bottoms

    Jones New York

    Swimsuit Bottoms
    Size XL
    $10.99 $6.04 45% off with code GOBIG
    71% off estimated retail
    ON FIRE Board Shorts (view 2)ON FIRE Board Shorts (view 1)
    View Product: ON FIRE Board Shorts

    ON FIRE

    Board Shorts
    Size 1X Plus
    $10.99 $6.04 45% off with code GOBIG
    56% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Onia Board Shorts (view 2)Onia Board Shorts (view 1)
    View Product: Onia Board Shorts

    Onia

    Board Shorts
    Size XL
    $19.99 $10.99 45% off with code GOBIG
    68% off estimated retail
    RVCA Board Shorts (view 2)RVCA Board Shorts (view 1)
    View Product: RVCA Board Shorts

    RVCA

    Board Shorts
    Size XL
    $14.99 $8.24 45% off with code GOBIG
    53% off estimated retail
    Poof! Swimsuit Cover Up (view 2)Poof! Swimsuit Cover Up (view 1)
    View Product: Poof! Swimsuit Cover Up

    Poof!

    Swimsuit Cover Up
    Size 1X Plus
    $12.99 $7.14 45% off with code GOBIG
    31% off estimated retail
    Gap Swimsuit Cover Up (view 2)Gap Swimsuit Cover Up (view 1)
    View Product: Gap Swimsuit Cover Up

    Gap

    Swimsuit Cover Up
    Size XL
    $23.99 $13.19 45% off with code GOBIG
    56% off estimated retail
    Cacique Swimsuit Top (view 2)Cacique Swimsuit Top (view 1)New With Tags
    View Product: Cacique Swimsuit Top

    Cacique

    Swimsuit Top
    Size 1X Plus
    $35.99 $19.79 45% off with code GOBIG
    47% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size XL
    $11.99 $6.59 45% off with code GOBIG
    52% off estimated retail
    Assorted Brands Swimsuit Cover Up (view 2)Assorted Brands Swimsuit Cover Up (view 1)
    View Product: Assorted Brands Swimsuit Cover Up

    Assorted Brands

    Swimsuit Cover Up
    Size XL
    $20.99 $11.54 45% off with code GOBIG
    44% off estimated retail
    Unbranded Board Shorts (view 2)Unbranded Board Shorts (view 1)
    View Product: Unbranded Board Shorts

    Unbranded

    Board Shorts
    Size XL
    $19.99 $10.99 45% off with code GOBIG
    20% off estimated retail
    Zella Board Shorts (view 2)Zella Board Shorts (view 1)
    View Product: Zella Board Shorts

    Zella

    Board Shorts
    Size XL
    $17.99 $9.89 45% off with code GOBIG
    52% off estimated retail
    La Blanca Swimsuit Cover Up (view 2)La Blanca Swimsuit Cover Up (view 1)
    View Product: La Blanca Swimsuit Cover Up

    La Blanca

    Swimsuit Cover Up
    Size XL
    $28.99 $15.94 45% off with code GOBIG
    49% off estimated retail
    Hue Board Shorts (view 2)Hue Board Shorts (view 1)
    View Product: Hue Board Shorts

    Hue

    Board Shorts
    Size 1X Plus
    $15.99 $8.79 45% off with code GOBIG
    57% off estimated retail
    Salt Life Swimsuit Top (view 2)Salt Life Swimsuit Top (view 1)
    View Product: Salt Life Swimsuit Top

    Salt Life

    Swimsuit Top
    Size XL
    $16.99 $9.34 45% off with code GOBIG
    55% off estimated retail
    Lands' End Board Shorts (view 2)Lands' End Board Shorts (view 1)
    View Product: Lands' End Board Shorts

    Lands' End

    Board Shorts
    Size 1X Plus
    $17.99 $9.89 45% off with code GOBIG
    71% off estimated retail
    Kona Sol Swimsuit Cover Up (view 2)Kona Sol Swimsuit Cover Up (view 1)
    View Product: Kona Sol Swimsuit Cover Up

    Kona Sol

    Swimsuit Cover Up
    Size XL
    $23.99 $13.19 45% off with code GOBIG
    36% off estimated retail
    Cj Banks Swimsuit Cover Up (view 2)Cj Banks Swimsuit Cover Up (view 1)
    View Product: Cj Banks Swimsuit Cover Up

    Cj Banks

    Swimsuit Cover Up
    Size 1X Plus
    $17.99 $9.89 45% off with code GOBIG
    68% 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 XL
    $25.99 $14.29 45% off with code GOBIG
    49% off estimated retail
    Hue Swimsuit Cover Up (view 2)Hue Swimsuit Cover Up (view 1)
    View Product: Hue Swimsuit Cover Up

    Hue

    Swimsuit Cover Up
    Size XL
    $11.99 $6.59 45% off with code GOBIG
    78% off estimated retail
    Harry Potter Swimsuit Cover Up (view 2)Harry Potter Swimsuit Cover Up (view 1)
    View Product: Harry Potter Swimsuit Cover Up

    Harry Potter

    Swimsuit Cover Up
    Size XL
    $20.99 $11.54 45% off with code GOBIG
    56% off estimated retail
    Solid & Striped Swimsuit Top (view 2)Solid & Striped Swimsuit Top (view 1)
    View Product: Solid & Striped Swimsuit Top

    Solid & Striped

    Swimsuit Top
    Size XL
    $17.99 $9.89 45% off with code GOBIG
    84% off estimated retail
    Vestidos Swimsuit Top (view 2)Vestidos Swimsuit Top (view 1)
    View Product: Vestidos Swimsuit Top

    Vestidos

    Swimsuit Top
    Size XL
    $12.99 $7.14 45% off with code GOBIG
    48% off estimated retail
    Op Swimsuit Cover Up (view 2)Op Swimsuit Cover Up (view 1)
    View Product: Op Swimsuit Cover Up

    Op

    Swimsuit Cover Up
    Size XL
    $8.99 $4.94 45% off with code GOBIG
    52% off estimated retail
    Eres Swimsuit Cover Up (view 2)Eres Swimsuit Cover Up (view 1)Price Drop
    View Product: Eres Swimsuit Cover Up

    Eres

    Swimsuit Cover Up
    Size 1X Plus
    $52.99 $29.14 45% off with code GOBIG
    84% off estimated retail
    Shein Swimsuit Top (view 2)Shein Swimsuit Top (view 1)
    View Product: Shein Swimsuit Top

    Shein

    Swimsuit Top
    Size 1X Plus
    $10.99 $6.04 45% off with code GOBIG
    31% off estimated retail
    BB Dakota by Steve Madden Swimsuit Top (view 2)BB Dakota by Steve Madden Swimsuit Top (view 1)Price Drop
    View Product: BB Dakota by Steve Madden Swimsuit Top

    BB Dakota by Steve Madden

    Swimsuit Top
    Size XL
    $9.99 $5.49 45% off with code GOBIG
    80% off estimated retail
    Bongo Swimsuit Cover Up (view 2)Bongo Swimsuit Cover Up (view 1)Price Drop
    View Product: Bongo Swimsuit Cover Up

    Bongo

    Swimsuit Cover Up
    Size XL
    $9.99 $5.49 45% off with code GOBIG
    65% off estimated retail
    Aerie Swimsuit Top (view 2)Aerie Swimsuit Top (view 1)Price Drop
    View Product: Aerie Swimsuit Top

    Aerie

    Swimsuit Top
    Size XL
    $9.99 $5.49 45% off with code GOBIG
    60% off estimated retail
    Hot Water Swimsuit Bottoms (view 2)Hot Water Swimsuit Bottoms (view 1)Price Drop
    View Product: Hot Water Swimsuit Bottoms

    Hot Water

    Swimsuit Bottoms
    Size XL
    $9.99 $5.49 45% off with code GOBIG
    37% off estimated retail
    Hot Water Swimsuit Bottoms (view 2)Hot Water Swimsuit Bottoms (view 1)Price Drop
    View Product: Hot Water Swimsuit Bottoms

    Hot Water

    Swimsuit Bottoms
    Size XL
    $9.99 $5.49 45% off with code GOBIG
    37% off estimated retail
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