Trending Categories
Trending Brands
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.
568 items
Sort by:
View Product: Vineyard Vines for Target Rash Guard
Vineyard Vines for Target
Rash Guard
Size 6-9 mo
$12.99 $7.14 45% off with code GOBIG
25% off estimated retailView Product: Under Armour Board Shorts
Under Armour
Board Shorts
Size X-Large youth
$16.99 $9.34 45% off with code GOBIG
48% off estimated retailView Product: Under Armour Board Shorts
Under Armour
Board Shorts
Size Large youth
$15.99 $8.79 45% off with code GOBIG
40% off estimated retailView Product: Just One You Made by Carter's Rash Guard
Just One You Made by Carter's
Rash Guard
Size 4T
$10.99 $6.04 45% off with code GOBIG
21% off estimated retailView Product: Vineyard Vines Board Shorts
Vineyard Vines
Board Shorts
Size Small kids
$14.99 $8.24 45% off with code GOBIG
34% off estimated retailView Product: Spongebob Squarepants Board Shorts
Spongebob Squarepants
Board Shorts
Size Small kids
$14.99 $8.24 45% off with code GOBIG
44% off estimated retail