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16 best swimsuits for kids to wear all summer long 2021

We found fun and comfortable options for boys and girls.
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If you've already bought an inflatable kiddie pool for the summer, it's now time to get your children some new swimsuits so they can have fun in the sun!

Whether you're shopping for sun-protective swimsuits, classic two-pieces or simple swim trunks, we've got plenty of options for all ages and genders.

To shop this article by category, simply click on each link below:

Swimsuits for tweens

1. Old Navy Tankini Set

Before your daughter graduates from her tween years, get her a colorful bathing suit she can enjoy all summer long. This tankini from Old Navy features a trendy tye-die design and is currently 25 percent off!

2. Gap Kids Recycled Smocked Two-Piece Swimsuit

This cinched two-piece is another adorable option for young girls. It has spaghetti straps and an elastic waistband for extra comfort. This floral two-piece option is currently available in all sizes.

3. Old Navy Boys Printed Board Shorts

If you’re in the market for a budget-friendly pair of board shorts for your son, look no further! These swim trunks are on sale for $18 and come in three boy-approved fun summer patterns.

Girls swimwear

1. Athleta Girls Camo Tie-Dye One-Piece Swimsuit

For those willing to spend a little extra money, this Athleta Girl one-piece is high quality and durable. It’s made of a soft and stretchy fabric that’s meant to snap back like a pro, so she can rock it all summer long.

2. Moon Tree Girls Mermaid One-Piece Swimsuit

If your daughter is obsessed with mermaids, she won’t want to stop wearing this fun ruffle one-piece swimsuit inspired by her favorite mythical creature. It comes in several mermaid-appropriate colors.

3. Nike Girls Essential Racerback One-Piece Swimsuit

If she’s a sporty gal, consider buying her this Nike Essential Racerback One-Piece Swimsuit. It’s available in pink, red, turquoise and black.

Boys swimwear

1. Quiksilver Boys Highline Vacancy Scallop Board Shorts

These Quiksilver board shorts will make a great addition to your son’s swimsuit collection. It features convenient pockets and the material has a four-way stretch made of recycled polyester.

2. MaaMgic Boys Swim Trunks

For a fun summer option, consider these sun-protective swim trunks with a colorful ice cream pattern. They’re lightweight, quick-drying and contain UPF 50+ material that is meant to block 90 percent of the sun’s harmful ultraviolet rays.

Although we love the ice cream pattern, these shorts are also available in 29 other colors and designs — including patterns with sharks and dinosaurs!

3. Gap Kids Shark Graphic Board Shorts

If your son can’t stop gazing at the fish tank, get him these ocean-themed swim trunks from Gap Kids! They’re currently on sale and come in sizes XS to XXL.

Baby boy swimwear

1. UpAndFast Baby Sunsuit UPF 50+ Protection with Sun Hat

This baby boy swimwear set is Amazon’s No. 1 bestseller. It includes a baby rash guard with UPF 50+ sun protection and a matching sun cap to protect your child’s face.

2. Yober Baby Boys Two-Piece UPF 50+ Swimsuit Set with Sun Hat

This dinosaur-themed two-piece swimsuit set is another adorable option. It comes with a UPF 50+ rash swim shirt, small swim trunks and a sun hat.

3. Simple Joys by Carter's Baby Boys Two-Piece Swimsuit Trunk and Rash Guard

For the little boy who loves to spend time in the pool or at the beach, consider getting him this two-piece set that comes with a cute T-shirt and matching shorts. It’s a fan-favorite with a 4.9 rating from nearly 14,000 reviews.

Baby girl swimwear

1. Carter's Baby Ruffle Swimsuit

For a pretty colorful option, this tiered one-piece from Carter's features a square neckline, spaghetti straps and snaps at the legs to make changes a breeze. Plus, it's currently on sale for less than $12.

2. Simple Joys by Carter's Baby Girls Two-Piece Rash Guard Swim Set

This rash guard set is an Amazon No. 1 bestseller with over 750 verified reviews and a 4.8-star rating. There are currently eight vibrant colors and patterns available.

3. Oklady Baby Girl Ruffle Swimsuit Set with Headband

Your baby girl will look adorable in this ruffled swimsuit that comes with a matching headband. It’s available in 11 different colors and patterns.

4. H&M Ruffle-Trimmed Swimsuit

This cute polka dot swimsuit channels summertime with its adorable pink print and ruffled neckline. For an extra touch of pizzaz, the suit features a bow in the back. It's also available in strawberry and cherry and is only $10.

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