34 Cute Infant Swimsuits for Baby’s Poolside Debut

These infant swimsuits for baby boys and girls will make a big splash this season.
ByCassie Kreitner
Senior Editor
June 3, 2021
Baby in cute swimsuit being held up be her dad in the pool.
Image: Getty Images
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Stocking up on summer essentials? If you’ve already got your kiddo’s sunglasses, sun hat and swim diaper, it’s time to shop for the fun part—a baby swimsuit! Whether animal-inspired (hello sharks and dinosaurs) or embellished with adorable accents (the ruffles, the bows, the tassels), baby bathing suits are irresistible. It can be nearly impossible to narrow down all of the pool- and beach-ready infant swimwear to find the best baby swimsuits—but that’s where we come in. We’ve rounded up the cutest, top quality baby swimwear for boys and girls, from baby bikinis and swim trunks to one-piece rashguards that’ll make your heart do somersaults.

Of course, these infant bathing suits are more than just adorable—they’re also designed to protect babies’ delicate skin. Sunscreen shouldn’t be worn by newborns and babies under 6 months old, so it’s doubly important to keep them covered up once the sun’s out. With that in mind, many of these infant swimsuits are UV-protected and include a rashguard to protect against abrasions and sunburns.

Ready to start your search for infant bathing suits that’ll keep your little beach babe safe and stylish? Scroll to shop the cutest, most protective baby swimwear available right now.

In this article:

Baby Girl Swimsuits

Whether you’re looking for baby bikinis, one-piece bathing suits or rashguard swimwear, we’ve got the best baby swimsuits for you, from brands and retailers like Janie and Jack, Nordstrom, Tea Collection and more. You’ll find all the latest baby girl swimwear trends here, including ruffles, floral and even flamingo-themed bathing suits. Now the only question is, which of these oh-so-cute infant swimsuits should you get?

Image: Courtesy i play. by Green Sprouts

i play. by Green Sprouts swimsuit with swim diaper

First up on our list of the best infant swimsuits is this top-rated baby girl one-piece. We adore the playful flamingo-print and the fact that it’s made from UPF 50+ material. The best part? This swimsuit has a built-in reusable swim diaper that prevents messes in the pool without puffing up. The three-layer design is not only designed to be super-absorbent, but also to prevent diaper rash. How cool!

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Buy it: $34,

Image: Courtesy Janie and Jack

Janie and Jack paisley rash guard set

Keep your little girl stylish and safe in this boho-inspired baby swimwear set from one of our favorite brands, Janie and Jack. The paisley-print top has cute ruffled cuffs, while the stripes on the bottom will look top-notch while she is splashing in the water or playing in the sand. And the entire baby girl swimsuit is UPF 50+ for ultimate sun protection.

Buy it: $49,

Image: Courtesy RuffleButts

RuffleButts anything is possible ruffle bikini

This baby bikini set is sweet as sugar. Your little girl will look deliciously adorable in this ice cream-inspired baby bathing suit. The racer back top and ruffled bottom are both made of UPF 50+ fabric and available in sizes starting at 3-6 months. Pair it with the matching headband to complete the look. Bonus: This set comes in 16 cute colors.

Buy it: $28,

Image: Courtesy Tea Collection

Tea Collection rash guard baby swim set

How about this fresh and fun tankini set? Made from UPF 40+ material, this baby girl swimsuit has a zesty citrus-inspired top and cool contrasting stripe bottoms that’ll be easy to whip on and off for diaper changes. And if you’re shopping for older kids, Tea Collection has adorable matching sibling styles too.

Buy it: $50,

Image: Courtesy Flap Happy

Flap Happy Stella infant ruffle swimsuit

This sustainable one-piece mermaid bathing suit is a true treasure. Made from recycled water bottles, this fade-resistant baby girl swimsuit offers UPF 50+ sun protection. We just love the iridescent ruffle along the waistline—stylish and sun-safe? Yes, please!

Buy it: $37,

Image: Courtesy Summersalt

Summersalt multi confetti sidestroke bikini set

One of the hottest women’s swimsuit brands of the last few years, Summersalt is known for their high quality, comfortable bathing suit fabrics, and this baby girl bikini is no exception. The one-shoulder style is accented with a colorful, playful trim. It’s also available in a one-piece baby swimsuit version.

Buy it: $55,

Image: Courtesy Snapper Rock

Snapper Rock leopard love surf suit

Searching for a stylish newborn swimsuit? Check out this trendy leopard-print bathing suit from Spearmint Love. It’s made from UPF 50+ material and has three quarter length sleeves for added sun protection. Feminine frills at the waist and sleeves make this an adorable pick for your little girl. Plus, there’s a zip at the back and snaps at the crotch that’ll make diaper changes a breeze.

Buy it: $54,

Image: Courtesy Carter's

Carter’s unicorn 2-piece rashguard set

Carter’s is our go-to store for adorable infant swimwear at affordable prices. Case in point: This fully lined unicorn rashguard set. It’s made from a quick-drying, UPF 50+ sun-protected material that’ll keep her cool all summer long.

Buy it: $34,

Image: Courtesy Boden

Boden baby rash guard set

This colorful option is another two-piece standout among the best baby swimsuits, this time with a long-sleeved, crew-neck UPF 50+ rashguard—a solid choice for a baby bathing suit that provides extra protection. The strawberry appliqué top and ruffled bottoms have our hearts aflutter.

Buy it: $47,

Image: Courtesy Snapper Rock

Snapper Rock skirted watermelon print one-piece swimsuit

The only thing cuter than a baby girl swimsuit? A bathing suit with a built-in tutu of course! This fast-drying, fruity style has a gorgeous pink ruffled skirt that’s perfect for your little ballerina. Bonus: This UV-protected one-piece has snap openings at the crotch for easy outfit and diaper changes.

Buy it: $48,

Image: Courtesy H&M

H&M UPF 50 swim jumpsuit

Here’s another baby girl bathing suit that offers all-over sun protection. This UPF 50+ rashguard romper is a go-to for protecting your little one’s delicate skin in style. The pastel shade, lemon print and ruffles on the shoulder add an ultra-feminine touch.

Buy it: $20,

Image: Courtesy Hanna Andersson

Hanna Andersson baby rashguard & ruffle bikini bottom set

Searching for a teeny weeny baby bikini with extra coverage? Take a look at this sweet style by Hanna Andersson. The long-sleeved rashguard top will protect baby’s sensitive skin, while the ruffled bottoms keep things fun. It’s available in four summer-ready prints and comes in newborn, baby and toddler sizes. Plus, this swimsuit is UV-protected and fade-resistant.

Buy it: $58,

Image: Courtesy UV Skinz

UV Skinz baby girl’s sun & swim suit

UV Skinz is another great brand known for having a variety of UPF 50+ sunwear styles for the whole family. This one-piece infant swimsuit provides head-to-toe protection in a stretchy, chlorine- and saltwater-resistant fabric. All of their baby swimwear comes in a variety of bright colors and patterns, like this whimsical whale print.

Buy it: $45,

Image: Courtesy Gerber Childrenswear

Gerber Childrenswear 2-piece baby girls cherry swim bottom & rashguard set

This baby girl bathing suit is (almost) too cute for words, and uber-affordable to boot. The silky soft set has a cheerful cherry print, blocks 98 percent of harmful sun rays and is designed to fit over a swim diaper. Outfit your newest crew member in this newborn swimsuit and she’ll be the star of the show.

Image: Courtesy Janie and Jack

Janie and Jack baby cold shoulder paisley floral swimsuit

Floral print baby girl swimsuits are always on trend. That’s why we love this cold-shoulder one-piece that boasts a delicate floral pattern. Made from UPF 50+ protected material, it’s available in newborn, baby and toddler sizes. Pair it with classic espadrilles for an utterly adorably vacation look.

Buy it: $34,

Image: Courtesy SwimZip

SwimZip UPF 50+ girls long sleeve sunsuit

SwimZip is a baby swimwear brand known for its zippered, rashguard-style bathing suits. The romper offers full-body UPF 50+ protection, and the zipper allows for quick, no-hassle diaper changes—making it one of the best baby swimsuits for newborns and toddlers alike. It comes in a range of adorable prints, so you’re sure to find something that suits your style.

Buy it: Starting from $40,

Image: Courtesy RuffleButts

RuffleButts petal parade long sleeve zipper 2 piece & tankini mix n match set

Beat the heat with this baby girl bathing suit bundle from popular baby swimwear brand RuffleButts. Made to mix and match, this set includes a striped rashguard and floral bikini top, plus two pairs of ruffled bottoms. The best part? You save over 10 percent when you buy these two swimsuits together—talk about a bargain!

Buy it: $50,

Baby Boy Swimsuits

Oh, (baby) boy! Infant bathing suits for little boys are just about as cute as can be. And thanks to baby swimwear brands like Janie and Jack, Boden, Old Navy and more, baby boy swimsuits go way beyond your standard swim trunks to include adorable one-pieces and rashguards as well. Shop the best of the bunch here.

Image: Courtesy Old Navy

Old Navy rashguard & trunks 2-piece swim set for baby

Old Navy has a super-cute selection of infant swimsuits for boys and girls. We’re big fans of this rashguard and shorts set, made from a fast-drying, stretch jersey with UPF 50+ sun protection. It’s available in infant and toddler sizes and comes in two vacation-ready styles. All that for $25? Not bad at all.

Buy it: $25,

Image: Courtesy Janie and Jack

Janie and Jack hot dog swim trunks

This infant bathing suit from Janie and Jack starts at size 3-6 months and goes all the way up to big kid sizes. The fully lined baby boy swim trunks and elastic waistband provide a comfy fit—and that all-American sausage dog print? Too cute.

Buy it: $36,

Image: Courtesy Mott50

Mott50 mini taylor baby LS sunsuit in sea glass stripe

Here’s another stylish and functional newborn bathing suit option. Whether your little guy is splashing in the waves or floating in the pool, this baby boy one-piece swimsuit provides excellent UPF 50+ protection. Better yet, this style has a zip front and snap closures along the inseam, making it simple to take on and off. The pastel stripes lend a nautical look and sizing starts at 0-3 months—perfect for baby’s first dip.

Buy it: $44,

Image: Courtesy Primary

Primary baby color block swim trunk

These bright baby boy swim trunks are more than just a nice pattern—they’re made from 100 percent recycled materials. Oh, and they’ve got built-in UPF 50+ sun protection (of course!). Available in sizes starting from 3-6 months old.

Buy it: $18,

Image: Courtesy Andy and Evan

Andy and Evan UPF 50 baby shark rashguard set in navy

Infant swimwear with extra coverage? Okay, we’ll bite. Sharks dominate the baby boy swimwear options, but this long-sleeve rashguard and baggy short set stands out as one of the best baby swimsuits for summer. The Warhol-inspired shark illustration on the top will ensure your little one is the trendiest kid at the pool, while the super-stretchy UPF 50+ fabric will keep him protected. This style is available in sizes starting at 0-3 months.

Buy it: $49,

Image: Courtesy Floatimini

Floatmini pineapple scuba suit in aqua

If a summer vacation isn’t in the cards this year, bring the vacation vibes home with this pineapple-printed UPF 50+ baby boy swimsuit. (Fun fact: pineapples are a long-standing symbol of hospitality.) With a zipped back closure for easy outfit changes and affordable price tag, this baby bathing suit is pretty sweet.

Buy it: $24,

Image: Courtesy Mini Mori

Mini Mori rashguard & swim trunks

Your little guy will have a whale of a time in this rashguard set that comes with a long sleeve shirt and baby swim trunks. The ocean-inspired swimsuit is made from recycled fabric with UPF 50+ sun protection. It’s just the thing for your little sailor!

Buy it: $53,

Image: Courtesy Patagonia

Patagonia board short infant boys

Surf’s up for summer! For outdoorsy boys, these baby swim trunks from the cult brand Patagonia hit all the right notes. The colorful board shorts have an elasticated waistband so they’ll stay put when he’s in the water and shed moisture to keep him dry when he’s back on land.

Buy it: $29,

Image: Courtesy Monica + Andy

Monica + Andy long rashguard one-piece

Looking for a swimsuit for your little guy? Since you can’t slather your infant in sunscreen until they’re 6 months old, a one-piece rashguard will provide much-needed sun protection. And this baby boy swimsuit does just that. It features a tropical palm print pattern on UPF 50+ fabric, a zip front, a high collar and even has full-length sleeves and pant legs for maximum protection.

Buy it: $30,

Image: Courtesy Boden

Boden fun swim trunks starboard blue fish

Your water baby can wear these charming baby boy swim trunks when he makes his pool or beach debut this summer. The navy shorts feature a shoal of fishy friends as decoration. Plus, this style has a diaper lining for sizes up to 18-24 months.

Buy it: $28,

Image: Courtesy GAP

GAP baby 100% recycled polyester 3D swim set

This UPF 50 long-sleeve infant swimsuit is perfect for your little troublemaker. The set comes with striped shorts and a crew-neck top decorated with a cartoon shark and the cheeky (but accurate!) slogan: “Here comes trouble.” Bonus: This bathing suit is made from 100 percent recycled material so it’s eco-friendly too.

Buy it: $40,

Image: Courtesy Green Sprouts

Green Sprouts pirate swim trunks and diaper

Your curious first mate can hunt for treasure in this baby boy swimsuit. Pirate ships, sea animals and turquoise accents brighten these baby swim trunks, complete with a built-in reusable diaper, making this one of the best baby swimsuits we’ve found this year.

Buy it: $30,

Image: Courtesy RuggedButts

RuggedButts saltwater stripe one-piece rashguard swimsuit & hat set

A fresh and modern take on classic stripes, this bright rashguard and matching hat set is sure to stand out in the baby pool. And with sizes starting at 0-3 months, it would make a super-cute newborn swimsuit too!

Buy it: $44,

Image: Courtesy DNggAND

DNggAND baby boy two-piece swimsuit set with hat

Dealing with a crabby infant? Not if they’re in this adorable—and affordable—baby boy swimsuit set! With this UPF 50+ shirt, swim trunks and hat, he’s sure to be the cutest catch at the pool or beach.

Buy it: $20,

Image: Courtesy Snapper Rock

Snapper Rock LS UV suit in toucan talk

Another one-piece rashguard option, this fun toucan print is designed to make a splash. And with a front zip and easy-to-open snaps along the in-seam, this infant bathing suit is easy to get on and off, even when wet.

Buy it: $50,

Image: Courtesy UV Skinz

UV Skinz baby boy sun & swim suit

A standout brand for baby swimwear, UV Skinz provides full-coverage baby swimsuits with breathable, UPF 50+ fabrics in sizes starting at 3-6 months. This particular style comes in 10 colors and patterns, but we’re partial to this jungle lion print—baby boy can be king of the kiddie pool.

Buy it: $45,

Image: Courtesy Tea Collection

Tea Collection totally clawsome set

Families that spend a lot of time poolside may need more than one infant swimsuit in rotation. That’s where this awesome coordinated four-piece set comes in. It comes with a long-sleeved striped swim top, a sun hat and two pairs of swim shorts. Available in baby and toddler sizes.

Buy it: $95,

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