Shop Women's Swimwear at up to 90% off estimated retail! thredUP has a huge selection of gently used women's swimwear. Find bikinis, one-pieces, board shorts and cover ups from brands like Seafolly, Aqua or Speedo at thredUP.

191 items
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    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $26.99
    57% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $24.99
    60% off estimated retail
    Ava & Viv Swimsuit Bottoms (view 2)Ava & Viv Swimsuit Bottoms (view 1)
    View Product: Ava & Viv Swimsuit Bottoms

    Ava & Viv

    Swimsuit Bottoms
    Size 16
    $17.99
    28% off estimated retail
    Cocoship Swimsuit Top (view 2)Cocoship Swimsuit Top (view 1)
    View Product: Cocoship Swimsuit Top

    Cocoship

    Swimsuit Top
    Size 16
    $10.99
    42% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Profile by Gottex One Piece Swimsuit (view 2)Profile by Gottex One Piece Swimsuit (view 1)
    View Product: Profile by Gottex One Piece Swimsuit

    Profile by Gottex

    One Piece Swimsuit
    Size 16
    $48.99
    63% off estimated retail
    Beach Diva Swimsuit Bottoms (view 2)Beach Diva Swimsuit Bottoms (view 1)
    View Product: Beach Diva Swimsuit Bottoms

    Beach Diva

    Swimsuit Bottoms
    Size 16
    $10.99
    56% off estimated retail
    L.L.Bean Swimsuit Top (view 2)L.L.Bean Swimsuit Top (view 1)
    View Product: L.L.Bean Swimsuit Top

    L.L.Bean

    Swimsuit Top
    Size 16
    $16.99
    46% 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 16
    $24.99
    51% off estimated retail
    Cazimi Swimwear Swimsuit Bottoms (view 2)Cazimi Swimwear Swimsuit Bottoms (view 1)
    View Product: Cazimi Swimwear Swimsuit Bottoms

    Cazimi Swimwear

    Swimsuit Bottoms
    Size 16
    $14.99
    40% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16
    $26.99
    65% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $22.99
    64% off estimated retail
    Swimsuits for all Board Shorts (view 2)Swimsuits for all Board Shorts (view 1)
    View Product: Swimsuits for all Board Shorts

    Swimsuits for all

    Board Shorts
    Size 16
    $22.99
    50% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $22.99
    64% off estimated retail
    Lands' End Swimsuit Bottoms (view 2)Lands' End Swimsuit Bottoms (view 1)
    View Product: Lands' End Swimsuit Bottoms

    Lands' End

    Swimsuit Bottoms
    Size 16
    $23.99
    62% off estimated retail
    La Blanca Swimsuit Top (view 2)La Blanca Swimsuit Top (view 1)
    View Product: La Blanca Swimsuit Top

    La Blanca

    Swimsuit Top
    Size 16
    $18.99
    50% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 16
    $43.99
    62% off estimated retail
    Calia by Carrie Underwood One Piece Swimsuit (view 2)Calia by Carrie Underwood One Piece Swimsuit (view 1)
    View Product: Calia by Carrie Underwood One Piece Swimsuit

    Calia by Carrie Underwood

    One Piece Swimsuit
    Size 16
    $18.99
    60% off estimated retail
    Ava & Viv Swimsuit Bottoms (view 2)Ava & Viv Swimsuit Bottoms (view 1)
    View Product: Ava & Viv Swimsuit Bottoms

    Ava & Viv

    Swimsuit Bottoms
    Size 16
    $14.99
    40% off estimated retail
    La Blanca One Piece Swimsuit (view 2)La Blanca One Piece Swimsuit (view 1)
    View Product: La Blanca One Piece Swimsuit

    La Blanca

    One Piece Swimsuit
    Size 16
    $27.99
    59% off estimated retail
    Miraclesuit Swimsuit Top (view 2)Miraclesuit Swimsuit Top (view 1)
    View Product: Miraclesuit Swimsuit Top

    Miraclesuit

    Swimsuit Top
    Size 16
    $31.99
    57% off estimated retail
    La Blanca One Piece Swimsuit (view 2)La Blanca One Piece Swimsuit (view 1)
    View Product: La Blanca One Piece Swimsuit

    La Blanca

    One Piece Swimsuit
    Size 16
    $32.99
    52% off estimated retail
    Seekers Australia One Piece Swimsuit (view 2)Seekers Australia One Piece Swimsuit (view 1)
    View Product: Seekers Australia One Piece Swimsuit

    Seekers Australia

    One Piece Swimsuit
    Size 16
    $24.99
    54% off estimated retail
    Robby Lens Swimwear One Piece Swimsuit (view 2)Robby Lens Swimwear One Piece Swimsuit (view 1)
    View Product: Robby Lens Swimwear One Piece Swimsuit

    Robby Lens Swimwear

    One Piece Swimsuit
    Size 16
    $27.99
    56% off estimated retail
    Maxine One Piece Swimsuit (view 2)Maxine One Piece Swimsuit (view 1)
    View Product: Maxine One Piece Swimsuit

    Maxine

    One Piece Swimsuit
    Size 16
    $22.99
    34% off estimated retail
    South Beach One Piece Swimsuit (view 2)South Beach One Piece Swimsuit (view 1)
    View Product: South Beach One Piece Swimsuit

    South Beach

    One Piece Swimsuit
    Size 16
    $21.99
    43% off estimated retail
    Nip Tuck Swim Swimsuit Bottoms (view 2)Nip Tuck Swim Swimsuit Bottoms (view 1)
    View Product: Nip Tuck Swim Swimsuit Bottoms

    Nip Tuck Swim

    Swimsuit Bottoms
    Size 16
    $12.99
    56% off estimated retail
    Venus Swimsuit Top (view 2)Venus Swimsuit Top (view 1)
    View Product: Venus Swimsuit Top

    Venus

    Swimsuit Top
    Size 16
    $8.99
    57% off estimated retail
    Jantzen One Piece Swimsuit (view 2)Jantzen One Piece Swimsuit (view 1)
    View Product: Jantzen One Piece Swimsuit

    Jantzen

    One Piece Swimsuit
    Size 16
    $28.99
    57% off estimated retail
    Venus Swimsuit Bottoms (view 2)Venus Swimsuit Bottoms (view 1)
    View Product: Venus Swimsuit Bottoms

    Venus

    Swimsuit Bottoms
    Size 16
    $16.99
    26% off estimated retail
    Lands' End Swimsuit Top (view 2)Lands' End Swimsuit Top (view 1)
    View Product: Lands' End Swimsuit Top

    Lands' End

    Swimsuit Top
    Size 16 Plus
    $26.99
    65% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 16
    $33.99
    70% off estimated retail
    Gerry Swimsuit Top (view 2)Gerry Swimsuit Top (view 1)
    View Product: Gerry Swimsuit Top

    Gerry

    Swimsuit Top
    Size 16
    $22.99
    62% off estimated retail
    Lands' End One Piece Swimsuit (view 2)Lands' End One Piece Swimsuit (view 1)
    View Product: Lands' End One Piece Swimsuit

    Lands' End

    One Piece Swimsuit
    Size 16
    $32.99
    71% off estimated retail
    Unbranded Swimsuit Bottoms (view 2)Unbranded Swimsuit Bottoms (view 1)
    View Product: Unbranded Swimsuit Bottoms

    Unbranded

    Swimsuit Bottoms
    Size 16
    $11.99
    60% 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 16
    $25.99
    44% off estimated retail
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