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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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23 items
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    Gap Kids Board Shorts (view 2)Gap Kids Board Shorts (view 1)
    View Product: Gap Kids Board Shorts

    Gap Kids

    Board Shorts
    Size 10
    $10.99
    65% 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
    $19.99
    33% off estimated retail
    Crewcuts Board Shorts (view 2)Crewcuts Board Shorts (view 1)
    View Product: Crewcuts Board Shorts

    Crewcuts

    Board Shorts
    Size 11
    $11.99
    63% 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
    $14.99
    34% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Gap Board Shorts (view 2)Gap Board Shorts (view 1)
    View Product: Gap Board Shorts

    Gap

    Board Shorts
    Size Small kids
    $12.99
    63% off estimated retail
    OshKosh B'gosh Board Shorts (view 2)OshKosh B'gosh Board Shorts (view 1)
    View Product: OshKosh B'gosh Board Shorts

    OshKosh B'gosh

    Board Shorts
    Size 8
    $10.99
    57% off estimated retail
    Unbranded Rash Guard (view 2)Unbranded Rash Guard (view 1)
    View Product: Unbranded Rash Guard

    Unbranded

    Rash Guard
    Size 90 cm
    $15.99
    40% off estimated retail
    Unbranded Board Shorts (view 2)Unbranded Board Shorts (view 1)
    View Product: Unbranded Board Shorts

    Unbranded

    Board Shorts
    Size 12
    $12.99
    50% 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 $17.24 25% off with code HOTDEAL
    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 $13.49 25% off with code HOTDEAL
    68% off estimated retail
    Janie and Jack Board Shorts (view 2)Janie and Jack Board Shorts (view 1)
    View Product: Janie and Jack Board Shorts

    Janie and Jack

    Board Shorts
    Size 18 mo
    $8.99 $7.19 20% off with code HOTDEAL
    55% 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 $10.39 20% off with code HOTDEAL
    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 $8.79 20% off with code HOTDEAL
    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 $9.59 20% off with code HOTDEAL
    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 $8.44 35% off with code HOTDEAL
    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 $12.79 20% off with code HOTDEAL
    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 $10.39 35% off with code HOTDEAL
    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 $9.09 35% off with code HOTDEAL
    53% off estimated retail
    Janie and Jack Board Shorts (view 2)Janie and Jack Board Shorts (view 1)
    View Product: Janie and Jack Board Shorts

    Janie and Jack

    Board Shorts
    Size 6-12 mo
    $13.99 $9.09 35% off with code HOTDEAL
    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 $7.19 40% off with code HOTDEAL
    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
    $11.24 $4.50 60% off with code HOTDEAL
    80% 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 $6.74 40% off with code HOTDEAL
    52% 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 12
    $11.24 $6.74 40% off with code HOTDEAL
    55% off estimated retail
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