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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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    Lands' End Board Shorts (view 2)Lands' End Board Shorts (view 1)
    View Product: Lands' End Board Shorts

    Lands' End

    Board Shorts
    Size 6
    $9.99
    54% off estimated retail
    Vineyard Vines Rash Guard (view 2)Vineyard Vines Rash Guard (view 1)
    View Product: Vineyard Vines Rash Guard

    Vineyard Vines

    Rash Guard
    Size 10
    $14.99
    63% 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
    $7.99
    55% 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 mo
    $11.99
    61% off estimated retail
    The Edit. Forever Classic, Get perfectly polished in trousers, blazers, and more. Shop The Edit
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 7
    $7.99
    70% off estimated retail
    Tommy Bahama Board Shorts (view 2)Tommy Bahama Board Shorts (view 1)
    View Product: Tommy Bahama Board Shorts

    Tommy Bahama

    Board Shorts
    Size 7
    $11.99
    55% off estimated retail
    Cat & Jack Board Shorts (view 2)Cat & Jack Board Shorts (view 1)
    View Product: Cat & Jack Board Shorts

    Cat & Jack

    Board Shorts
    Size 18 mo
    $12.99
    15% off estimated retail
    Billabong Board Shorts (view 2)Billabong Board Shorts (view 1)
    View Product: Billabong Board Shorts

    Billabong

    Board Shorts
    Size 6-12 mo
    $16.99
    48% 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 4T
    $11.99
    61% off estimated retail
    J.Crew Board Shorts (view 2)J.Crew Board Shorts (view 1)
    View Product: J.Crew Board Shorts

    J.Crew

    Board Shorts
    Size X-Small kids
    $12.99
    63% off estimated retail
    Unbranded Rash Guard (view 2)Unbranded Rash Guard (view 1)
    View Product: Unbranded Rash Guard

    Unbranded

    Rash Guard
    Size 10
    $13.99 $11.19 20% off with code HOTDEAL
    57% off estimated retail
    Tommy Bahama Rash Guard (view 2)Tommy Bahama Rash Guard (view 1)
    View Product: Tommy Bahama Rash Guard

    Tommy Bahama

    Rash Guard
    Size 3T
    $15.99 $12.79 20% off with code HOTDEAL
    61% off estimated retail
    Sonoma Goods for Life Rash Guard (view 2)Sonoma Goods for Life Rash Guard (view 1)
    View Product: Sonoma Goods for Life Rash Guard

    Sonoma Goods for Life

    Rash Guard
    Size 7
    $13.99 $11.19 20% off with code HOTDEAL
    48% off estimated retail
    Gap Board Shorts (view 2)Gap Board Shorts (view 1)
    View Product: Gap Board Shorts

    Gap

    Board Shorts
    Size X-Small youth
    $15.99 $12.79 20% off with code HOTDEAL
    60% off estimated retail
    World Wide Wear Rash Guard (view 2)World Wide Wear Rash Guard (view 1)
    View Product: World Wide Wear Rash Guard

    World Wide Wear

    Rash Guard
    Size 4
    $10.99 $8.79 20% off with code HOTDEAL
    28% off estimated retail
    Gap Rash Guard (view 2)Gap Rash Guard (view 1)
    View Product: Gap Rash Guard

    Gap

    Rash Guard
    Size Small kids
    $11.99 $9.59 20% off with code HOTDEAL
    63% off estimated retail
    Baby Wear Rash Guard (view 2)Baby Wear Rash Guard (view 1)New With Tags
    View Product: Baby Wear Rash Guard

    Baby Wear

    Rash Guard
    Size 12 mo
    $8.99 $7.19 20% off with code HOTDEAL
    50% off estimated retail
    Old Navy Rash Guard (view 2)Old Navy Rash Guard (view 1)
    View Product: Old Navy Rash Guard

    Old Navy

    Rash Guard
    Size 12-18 mo
    $10.99 $8.79 20% off with code HOTDEAL
    35% off estimated retail
    Vilebrequin Board Shorts (view 2)Vilebrequin Board Shorts (view 1)
    View Product: Vilebrequin Board Shorts

    Vilebrequin

    Board Shorts
    Size 6
    $61.99 $31.00 50% off with code HOTDEAL
    67% off estimated retail
    Wetsuit Club by Candlesticks Board Shorts (view 2)Wetsuit Club by Candlesticks Board Shorts (view 1)
    View Product: Wetsuit Club by Candlesticks Board Shorts

    Wetsuit Club by Candlesticks

    Board Shorts
    Size 18 mo
    $9.99 $7.99 20% off with code HOTDEAL
    18% off estimated retail
    Wonder Nation Rash Guard (view 2)Wonder Nation Rash Guard (view 1)New With Tags
    View Product: Wonder Nation Rash Guard

    Wonder Nation

    Rash Guard
    Size 12 mo
    $10.99 $8.79 20% off with code HOTDEAL
    18% 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 3 mo
    $10.99 $8.79 20% off with code HOTDEAL
    65% off estimated retail
    The Bailey Boys Board Shorts (view 2)The Bailey Boys Board Shorts (view 1)
    View Product: The Bailey Boys Board Shorts

    The Bailey Boys

    Board Shorts
    Size 6 mo
    $11.99 $9.59 20% off with code HOTDEAL
    33% off estimated retail
    Snapper Rock Rash Guard (view 2)Snapper Rock Rash Guard (view 1)
    View Product: Snapper Rock Rash Guard

    Snapper Rock

    Rash Guard
    Size 6-12 mo
    $8.99 $7.19 20% off with code HOTDEAL
    50% off estimated retail
    Unbranded Rash Guard (view 2)Unbranded Rash Guard (view 1)
    View Product: Unbranded Rash Guard

    Unbranded

    Rash Guard
    Size 6-9 mo
    $7.99 $6.39 20% off with code HOTDEAL
    63% off estimated retail
    Just One You Made by Carter's Rash Guard (view 2)Just One You Made by Carter's Rash Guard (view 1)
    View Product: Just One You Made by Carter's Rash Guard

    Just One You Made by Carter's

    Rash Guard
    Size 12 mo
    $10.99 $8.79 20% off with code HOTDEAL
    18% off estimated retail
    Unbranded Wetsuit (view 2)Unbranded Wetsuit (view 1)
    View Product: Unbranded Wetsuit

    Unbranded

    Wetsuit
    Size 10
    $23.99 $19.19 20% off with code HOTDEAL
    64% 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 18 mo
    $21.99 $15.39 30% off with code HOTDEAL
    40% 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 3 mo
    $10.99 $8.79 20% off with code HOTDEAL
    65% off estimated retail
    H&M Board Shorts (view 2)H&M Board Shorts (view 1)Price Drop
    View Product: H&M Board Shorts

    H&M

    Board Shorts
    Size 3-6 mo
    $8.99 $7.19 20% off with code HOTDEAL
    42% off estimated retail
    OshKosh B'gosh Rash Guard (view 2)OshKosh B'gosh Rash Guard (view 1)
    View Product: OshKosh B'gosh Rash Guard

    OshKosh B'gosh

    Rash Guard
    Size 9 mo
    $16.99 $11.89 30% off with code HOTDEAL
    36% off estimated retail
    Gymboree Board Shorts (view 2)Gymboree Board Shorts (view 1)Price Drop
    View Product: Gymboree Board Shorts

    Gymboree

    Board Shorts
    Size 12-18 mo
    $10.99 $7.14 35% off with code HOTDEAL
    66% off estimated retail
    Old Navy Board Shorts (view 2)Old Navy Board Shorts (view 1)Price Drop
    View Product: Old Navy Board Shorts

    Old Navy

    Board Shorts
    Size Small infants
    $7.99 $5.19 35% off with code HOTDEAL
    50% off estimated retail
    Old Navy Rash Guard (view 2)Old Navy Rash Guard (view 1)Price Drop
    View Product: Old Navy Rash Guard

    Old Navy

    Rash Guard
    Size 3-6 mo
    $10.24 $6.66 35% off with code HOTDEAL
    42% off estimated retail
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