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Whether it's a day at the pool or the beach, your little man needs a comfortable and stylish look. At thredUP, you'll find boys' swimwear in a variety of styles, colors, and designs that he will love, and at up to 90% off estimated retail, the prices will make you happy as well.

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    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 4
    $8.99 $4.94 45% off with code GOBIG
    57% off estimated retail
    Hanna Andersson Board Shorts (view 2)Hanna Andersson Board Shorts (view 1)
    View Product: Hanna Andersson Board Shorts

    Hanna Andersson

    Board Shorts
    Size 10
    $18.99 $10.44 45% off with code GOBIG
    36% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 2T
    $9.99 $5.49 45% off with code GOBIG
    52% off estimated retail
    Burberry Board Shorts (view 2)Burberry Board Shorts (view 1)Flawed Gem
    View Product: Burberry Board Shorts

    Burberry

    Board Shorts
    Size 10
    $36.99 $20.34 45% off with code GOBIG
    87% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Hanna Andersson Board Shorts (view 2)Hanna Andersson Board Shorts (view 1)
    View Product: Hanna Andersson Board Shorts

    Hanna Andersson

    Board Shorts
    Size 6
    $20.99 $11.54 45% off with code GOBIG
    43% off estimated retail
    Hanna Andersson Board Shorts (view 2)Hanna Andersson Board Shorts (view 1)
    View Product: Hanna Andersson Board Shorts

    Hanna Andersson

    Board Shorts
    Size 6
    $22.99 $12.64 45% off with code GOBIG
    36% off estimated retail
    Hanna Andersson Board Shorts (view 2)Hanna Andersson Board Shorts (view 1)
    View Product: Hanna Andersson Board Shorts

    Hanna Andersson

    Board Shorts
    Size 12
    $23.99 $13.19 45% off with code GOBIG
    33% off estimated retail
    Vineyard Vines Board Shorts (view 2)Vineyard Vines Board Shorts (view 1)
    View Product: Vineyard Vines Board Shorts

    Vineyard Vines

    Board Shorts
    Size Small kids
    $18.99 $10.44 45% off with code GOBIG
    34% off estimated retail
    Gap Board Shorts (view 2)Gap Board Shorts (view 1)
    View Product: Gap Board Shorts

    Gap

    Board Shorts
    Size Small kids
    $11.99 $6.59 45% off with code GOBIG
    66% off estimated retail
    Unbranded Rash Guard (view 2)Unbranded Rash Guard (view 1)
    View Product: Unbranded Rash Guard

    Unbranded

    Rash Guard
    Size 90 cm
    $13.99 $7.69 45% off with code GOBIG
    45% off estimated retail
    Carter's Rash Guard (view 2)Carter's Rash Guard (view 1)
    View Product: Carter's Rash Guard

    Carter's

    Rash Guard
    Size 24 mo
    $22.99 $12.64 45% off with code GOBIG
    36% off estimated retail
    Onia Board Shorts (view 2)Onia Board Shorts (view 1)
    View Product: Onia Board Shorts

    Onia

    Board Shorts
    Size 12 mo
    $17.99 $9.89 45% off with code GOBIG
    68% off estimated retail
    Vissla Board Shorts (view 2)Vissla Board Shorts (view 1)
    View Product: Vissla Board Shorts

    Vissla

    Board Shorts
    Size X-Large youth
    $16.99 $9.34 45% off with code GOBIG
    48% 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 3-6 mo
    $12.99 $7.14 45% off with code GOBIG
    21% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size 12-18 mo
    $10.99 $6.04 45% off with code GOBIG
    57% off estimated retail
    Baby Cottons Board Shorts (view 2)Baby Cottons Board Shorts (view 1)
    View Product: Baby Cottons Board Shorts

    Baby Cottons

    Board Shorts
    Size 6 mo
    $11.99 $6.59 45% off with code GOBIG
    72% off estimated retail
    Pro Spirit Wetsuit (view 2)Pro Spirit Wetsuit (view 1)
    View Product: Pro Spirit Wetsuit

    Pro Spirit

    Wetsuit
    Size Large youth
    $12.99 $7.14 45% off with code GOBIG
    63% off estimated retail
    Carter's Board Shorts (view 2)Carter's Board Shorts (view 1)
    View Product: Carter's Board Shorts

    Carter's

    Board Shorts
    Size 12-18 mo
    $15.99 $8.79 45% off with code GOBIG
    56% off estimated retail
    Baby Gap Board Shorts (view 2)Baby Gap Board Shorts (view 1)
    View Product: Baby Gap Board Shorts

    Baby Gap

    Board Shorts
    Size Newborn
    $15.99 $8.79 45% off with code GOBIG
    38% off estimated retail
    Carter's Board Shorts (view 2)Carter's Board Shorts (view 1)Price Drop
    View Product: Carter's Board Shorts

    Carter's

    Board Shorts
    Size 3 mo
    $13.99 $7.69 45% off with code GOBIG
    53% off estimated retail
    Janie and Jack Board Shorts (view 2)Janie and Jack Board Shorts (view 1)Price Drop
    View Product: Janie and Jack Board Shorts

    Janie and Jack

    Board Shorts
    Size 6-12 mo
    $13.99 $7.69 45% off with code GOBIG
    33% off estimated retail
    Carter's Board Shorts (view 2)Carter's Board Shorts (view 1)Price Drop
    View Product: Carter's Board Shorts

    Carter's

    Board Shorts
    Size 18 mo
    $11.99 $6.59 45% off with code GOBIG
    61% off estimated retail
    Andy & Evan Rash Guard (view 2)Andy & Evan Rash Guard (view 1)Price Drop
    View Product: Andy & Evan Rash Guard

    Andy & Evan

    Rash Guard
    Size 9-12 mo
    $11.99 $6.59 45% off with code GOBIG
    81% off estimated retail
    OshKosh B'gosh Board Shorts (view 2)OshKosh B'gosh Board Shorts (view 1)Price Drop
    View Product: OshKosh B'gosh Board Shorts

    OshKosh B'gosh

    Board Shorts
    Size 18 mo
    $11.24 $6.18 45% off with code GOBIG
    52% off estimated retail
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