33 Cutest Baby Swimsuits for Girls and Boys

Here, a definitive list of the cutest infant swimwear for girls and boys, including baby bikinis, baby boy swim trunks and newborn swimsuits.
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ByCassie Kreitner
Senior Editor
Feb 2021
baby being held by its mother swims towards ball in pool
Photo: Leanne Temme / Getty Images
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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 baby swimwear for boys and girls, from baby bikinis and swim trunks to one-piece rash guards 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. With that in mind, many of these infant swimsuits are UV-protected and include a rash guard to protect against abrasions and sunburns. Scroll to shop the cutest and most protective baby swimwear.

Baby Girl Swimsuits

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

Photo: Courtesy Janie and Jack

Janie and Jack Sailboat Print Rash Guard Set

Baby will be ready to ‘seas’ her first summer in this nautical baby swimwear set from one of our favorite brands, Janie and Jack. The sailboat-print bathing suit has a fun peplum trim, 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 the ultimate sun protection.

Buy it: $44, JanieandJack.com

Photo: Courtesy Mudpie

Mud Pie Tassel Flamingo Two-Piece Swimsuit

Your little girl will be ready to flamingle with her flock in this adorable baby girl bikini. Illustrated with flamingos and monstera leaves and accented with ruffles and colorful tassels, this is the surely the best baby swimsuit for your next pool party.

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Buy it: starting at $28, Mud-Pie.com

Photo: Courtesy PatPat

PatPat Striped Flounced Halter Swimsuit

This retro-inspired baby girl bathing suit is (almost) too cute for words, and uber-affordable to boot. Outfit your newest crew member in this striped halter number and she’ll be the star of the show in the best baby swimsuit on land and in the water.

Buy it: $10, Us.PatPat.com

Photo: Courtesy RuffleButts

Rufflebutts One-Piece Rash Guard Swimsuit & Hat Set

Beat the heat with this baby girl bathing suit from popular baby swimwear brand Rufflebutts. The back-zip UPF 50+ rash guard features a fun desert botanical-inspired print for a bright, beach-ready one-piece bathing suit. It also comes in newborn sizing—could baby’s first swimsuit be any cuter?

Buy it: $28, Amazon.com

Photo: 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, Maisonette.com

Photo: Courtesy Janie and Jack

Ditsy Floral Rash Guard Set

Floral print baby girl swimsuits are always on trend when it comes to baby swimwear, and this short-sleeve rash guard set is no exception. Complete the look with a matching visor and sunglasses—she’ll be a true vision in red!

Buy it: $44, JanieandJack.com

Photo: Courtesy RuffleButts

RuffleButts Citrus and Stripe Tankini with Headband

This baby tankini is refreshingly fun. Your little girl will look deliciously adorable in this citrus-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. And with a matching headband to complete the look, she’ll be ripe for compliments.

Buy it: $42, Shop.Nordstrom.com

Photo: Courtesy Swim Zip

SwimZip Little Girl Long Sleeve Sunsuit Romper

SwimZip is a baby swimwear brand known for its zippered, rash guard-style bathing suits. The sunsuit 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, and especially an ideal newborn swimsuit. It comes in a range of adorable prints, so you’re sure to find something that suits your style.

Buy it: Starting at $36, Amazon.com

Photo: Courtesy Tea

Tea Collection Ruffle Bikini Set

Wishing this crazy-cute baby bikini came in adult sizes? Yeah, us too. But at least your baby girl can rock this ruffled floral swimsuit! (And for extra sun protection, be sure to get baby the matching sun hat!)

Buy it: $43, TeaCollection.com

Photo: Courtesy Amazon Essentials

Amazon Essentials Baby Girl’s One-PIece Swimsuit in Ombre Purple

Tie-dye is all the rage this year, and this Amazon Essentials one-piece baby girl swimsuit will get you the look for your little one at an unbeatable price.

Buy it: $12, Amazon.com

Photo: Courtesy Tucker + Tate

Tucker + Tate One-Piece Rash Guard Swimsuit

Here’s another baby girl bathing suit that offers all-over sun protection. This long-sleeved, UPF 50+ rash guard romper is a go-to for protecting your little one’s delicate skin–in style. The bright floral print and ruffles on the back add an ultra-feminine touch.

Buy it: $29, Shop.Nordstrom.com

Photo: Courtesy Green Sprouts

i Play by Green Sprouts Popsicle 1-piece Swimsuit

An infant bathing suit with a built-in reusable diaper is a pretty sweet concept when it comes to baby swimwear. The three-layer popsicle-print design is not only designed to be super absorbent, but also to prevent diaper rash. How cool!

Buy it: $25, buybuyBABY.com

Photo: Courtesy Carter's

Simple Joys by Carter 2-piece Rainbow Rash Guard Set

This colorful option is another two-piece standout among the best baby swimsuits, this time with a long-sleeved, crew-neck rash guard—a solid choice for a baby bathing suit that provides extra protection. The all-over floral print top and ruffled striped bottom have our hearts aflutter.

Buy it: starting at $16, Amazon.com

Photo: Courtesy Boden

Boden Frilly Blue Swimsuit in Skipper Blue Seersucker

Seersucker is always a classic summer fabric—and this baby bathing suit has tiered ruffles which give it the perfect look! It’s fully lined with fitted straps to provide a comfortable and secure fit. Also available in a strawberry pattern and polka dot daisies.

Buy it: $34, BodenUSA.com

Photo: Courtesy UV Skinz

UV Skinz Baby Girl’s Long Sleeve Ruffled 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, fade-resistant fabric. All of their baby swimwear comes in a variety of bright colors and patterns, like this whimsical jungle tiger print.

Buy it: $45, UVSkinz.com

Photo: 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 and comes in adult sizes—making it the ideal mommy and me matching swimwear set.

Buy it: $55, Summersalt.com

Photo: Courtesy H & M

H&M Swim Set

It’s always a good idea to be prepared with an infant swimsuit for those summer get togethers when you’re not totally sure if swimming is on the agenda. And with this polka dot baby swim shirt and pink baby swim short set, it means one less change of clothes in your diaper bag.

Buy it: $20, hm.com

Baby Boy Swimsuits

Oh, (baby) boy! Infant bathing suits for little boys is 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 rash guards as well. Shop the best of the bunch here.

Photo: Courtesy Janie and Jack

Janie and Jack Wave Print Swim Short

This infant bathing suit from Janie and Jack starts at size 0-3 months, perfect for your newborn! The fully-lined baby boy swim trunks and elastic waistband provide a comfy fit—and that all-over ocean wave print? Too cute.

Buy it: $24, JanieandJack.com

Photo: Courtesy Yober

Yober Baby Boy Rash Guard Surfing Suit with Hat

Infant swimwear with extra coverage? Okay, we’ll bite. Sharks dominate the baby boy swimwear options, but this Amazon best-selling long-sleeve rash guard stands out as one of the best baby swimsuits for summer 2020. Made of super stretchy UPF 50+ fabric, the high neck swimsuit is available in sizes starting at 0-3 months, and comes with an oversized hat for extra ear and neck protection as well.

Buy it: $20, Amazon.com

Photo: Courtesy Appaman

Appaman Pizza Party Swim Trunks

Baby likely hasn’t gotten his hands on pizza yet, but he can still get it on his infant bathing suit! These black swim trunks with an all-over pepperoni slice print are (pizza) party-ready. Sizing starts at 3-6 months so you won’t have to wait too long to slip him into these baby boy swim trunks.

Buy it: $46, Giggle.com

Photo: Courtesy Janie and Jack

Janie and Jack Zip Front Rash Guard

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. The blue and white striped arms lend a nautical look and sizing starts at 0-3 months—perfect for baby’s first pool or beach visit.

Buy it: $44 JanieandJack.com

Photo: Courtesy Andy & Evan

Andy & Evan Baby Cabana Chill Swim Trunk

Surf’s up for summer! For fashion-forward boys, these baby swim trunks hit all the right notes. The tropical print featuring surfboards, palm trees, snorkel-ready dogs and ice cream is totally on trend.

Buy it: $36, Maisonette.com

Photo: 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, Amazon.com

Photo: Courtesy Boden

Boden Printed Swim Trunks in College Navy Frog

Your little prince can wear these charming baby boy swim trunks when he makes his pool or beach debut this summer. The front is navy with a green drawstring, while the back has this adorable frog. Fully lined and providing UPF 50+ sun protection, this baby swimsuit (with a matching rash guard top) is too cute to pass up.

Buy it: $22, BodenUSA.com

Photo: 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 scuba suit. (Fun fact: pineapples are a long-standing symbol of hospitality.) With a zipped back closure for easy outfit changes and can’t-beat price tag, this baby swimsuit is pretty sweet.

Buy it: $14, buybuyBABY.com

Photo: Courtesy Primary

Primary Sunset Stripe Board Short

These bright ombre baby boy swim trunks are more than just a nice pattern—they’re made from 100 percent recycled materials. And they also come in adult sizes for a picture-perfect father-son matching swimwear look.

Buy it: $25, Primary.com

Photo: Courtesy Up and Fast

Upandfast Baby One Piece Zip Sunsuits with Sun Hat

Looking for a newborn swimsuit for your little guy? Since you can’t slather your infant in sunscreen until they’re 6 months old, a one-piece rash guard will provide much-needed sun protection. And this baby boy swimsuit is a five-star Amazon best seller: It features colorful fish on UPF 50+ fabric, a full zippered back, and even comes with a matching hat—all for under $25.

Buy It: starting at $19, Amazon.com

Photo: 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 searched for this year.

Buy it: $22, buybuyBABY.com

Photo: Courtesy Old Navy

Old Navy Printed Raglan-Sleeve One-Piece Rash Guard

This UPF 50 short-sleeve infant swimsuit is here to save the day with its lightweight and quick-drying material. Get some baby aviators for extra sun protection and he’ll be ready for lookout.

Buy it: $23, OldNavy.com

Photo: Courtesy Gap

Baby Plaid Swim Trunks

A fresh and modern take on traditional plaid, these neon baby boy swim trunks are sure to stand out in the baby pool. And with sizes starting at 0-3 months, they make for a super-cute newborn swimsuit too!

Buy it: $20, Gap.com

Photo: Courtesy Hanna Andersson

Hanna Anderson Sunblock Rash Guard Suit

Another one-piece rash guard option, this fun tropical print is designed to make a splash. With short sleeves and shorts, these infant bathing suits are easy to get on and off, even when wet.

Buy it: $20, HannaAnderson.com

Photo: Courtesy UV Skinz

UVSkinz Baby Boy Sun & Swim Suit

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

Buy it: $45, UVSkinz.com

Photo: Courtesy Carter's

Just One You Made by Carter’s 2-Piece Dino Swim Rash Guard Set

Your little guy can stay cool by the pool with this aptly-worded baby boy two-piece rash guard set with a short sleeve swim shirt and printed baby swim trunks. Complete with UPF 50+ sun protection and quick-drying fabric, this baby boy swimsuit is dino-mite!

Buy it: Starting at $18, Target.com

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