Must-Have Bright and Colorful Kids Swimwear Styles in 2025

Summer 2025 is officially going to be extra. At Lola and the Boys, we’re all about loud giggles, sandy toes, and swimwear that’s as bold as your little one’s personality. If your kiddo is the kind who splashes in every puddle, twirls around the backyard sprinkler like it's a runway, or treats the pool like their personal stage, this blog is for you.

This year’s must-haves are full of sparkle, rainbows, unicorns, and playful patterns that turn every water day into a fashion moment. And honestly? Moms are loving it as much as the kiddos.

Why Moms Love Our Swim Styles

From pool parties to beach vacays to those spontaneous water balloon fights, these suits are built for:

• Durability – Chlorine-resistant and ready for all-day wear
• Stand-out style – Think sequins, neon, glitter, and fierce prints
• Fit that moves – Comfort that doesn’t quit, even during cannonballs
• Kid-approved flair – Because they actually want to wear them

So, what’s new and splash-worthy in colorful kids' swimwear this year? Grab your iced coffee, mama, because we’re breaking it down.

Bright and Colorful Kids Swimwear Styles in 2025

Your little ones don’t settle for plain, and honestly, neither do we. This year’s swimwear is bursting with color, sparkle, and attitude, made for the boldest poolside moments and biggest belly laughs.

1. Rainbow Everything, Please

Rainbow swimwear is back, and brighter than ever. It’s undeniably cute and confidence-boosting for your little ones who love to shine.

One of our absolute favorites? The Rainbow Sparkle One Piece. This sparkly number is basically a pool party in a swimsuit. It’s stretchy, comfy, and full of shine, perfect for girls who love to sparkle under the sun.

If you’re more into two-pieces, check out the Rainbow Pompom Bikini. It’s the right mix of sweet and spunky, ideal for beach days with the cousins or just backyard sprinkler fun.

Style tip: Pair with our Rainbow Mermaid CoverUp to complete the look with floaty vibes.

2. Unicorns, Always and Forever

Is it even summer without unicorns? Not at our house.

Unicorn-themed colorful kids' swimwear continues to dominate 2025 with shimmering pastels, holographic accents, and magical details that make every splash sparkle.

Our pick for your magical girl? The Neon Unicorn Swimsuit. It’s got unicorn patches, sequins, and the softest lining ever, so your little one looks fabulous and feels great.

Fashion tip: This suit looks adorable with glitter jelly sandals and a high ponytail with rainbow hair ties (yes, we go all in).

3. Sporty Meets Sassy

Not every kid wants sequins, and that’s okay. For the ones who like to move, think cartwheels on the sand and serious water slide energy, sporty-stylish is key.

Our Pink Lightning Bolt Bikini brings the best of both: bold graphic print and a fit that stays put. The colors are hot pink with metallic silver accents, exactly the vibe for summer 2025.

Looking for something unisex and fun? The Rainbow Board Shorts work great for boys or girls, and the fit is roomy without dragging in the water.

And yes, colorful kids swimwear includes the sporty kids too, because style should move with them

4. Sequins That Flip (Because They Can’t Get Enough)

Flippy sequins are here to stay, and this year, they’re part of swimwear too. Your little one can literally change their look with a swipe of their hand. It’s giving mermaid meets magician.

The Sequin Flip Mermaid Bikini is packed with shiny, reversible sequins, a supportive top, and full-coverage bottoms so girls can play all day without fuss.

Even better, it makes them feel like the center of attention, in a good way.

Quick tip for moms: Toss a little detangler spray in your beach bag, those mermaid waves get wild post-swim!

5. Matching Sets for Sibling Moments

Raise your hand if your kids love twinning. (All of ours do.) Matching sibling sets are everything this year. They’re cute, they save us from outfit debates, and they make family vacay photos pop like confetti.

Check out the Pastel Dream Swim Trunks for the boys, light, bright, and full of those ice cream sunset vibes. Pair it with the Pastel Dream Bikini for your girl and you’ve got instant poolside chic.

These styles let your kiddos look coordinated without sacrificing comfort or personality. Because twinning doesn’t mean boring. And honestly? It’s a little less chaos when outfits are pre-approved by everyone involved.

Color combo tip: Match these with our Star Sunglasses and Rainbow Jelly Slides to go full glam.

6. Cool Trunks for Confident Boys

Boys need fun, fashion-forward swimwear too, something colorful, cool, and far from basic. This year’s styles bring bold prints and funky graphics to the front of the line.

We’re obsessed with the Neon Camo Swim Trunks for boys who like a little edge. The bright pattern makes them stand out while giving plenty of stretch and room to move.

Got a mini daredevil on your hands? The Skater Shark Swim Trunks are a total hit, playful, tough, and made to last from pool to park.

Colorful kids' swimwear isn’t just for the glitter lovers, it’s for every personality on your hands. And trust us, these trunks pass the cannonball test.

7. Glow Bright, Even After Dark

This one’s for the kids who want to keep swimming even after the sun goes down. Think glow-in-the-dark details, reflective prints, and neon accents that pop under the string lights.

Our Glow Lightning Swim Set is turning heads in 2025 with lightning bolts that light up in low light and neon green hues that feel like summer energy bottled up.

Pair it with a glow necklace, and you've got a whole look that screams pool party after bedtime. (We didn’t say it was bedtime-approved, just fabulous.)

Tip for moms: These pieces are great for evening BBQs and water park nights. The glow helps keep eyes on your kiddo, even in the shuffle.

8. Swim Cover-Ups That Bring the Drama

Cover-ups are not just practical, they’re a fashion moment. After a long swim, your kiddo still wants to shine, and the right cover-up can do that and dry them off.

Our favorite right now? The Iridescent Unicorn Cover-Up. It’s shiny, flowy, and easy to slip on and off, even when your child is 90% soaked and 100% wiggly.

We also love the Pink Terry Cloth Robe for its cozy vibes. It’s got that plush spa look but in mini size, and it’s the perfect post-pool wind-down piece.

9. Statement Accessories That Seal the Look

No summer outfit is complete without the right accessories. It’s all in the little details, hats, shades, bags, and shoes that say, “I came to swim and slay.”

A few must-haves for this year:

• Glitter Beach Tote: Perfect for snacks, goggles, and 4,000 pool toys
• Sequin Sun Hat: Big brim energy and major sparkle.
• Rainbow Jelly Slides: Easy to clean, impossible not to love.

And yes, they’re all waterproof, sand-proof, and snack-spill resistant. Because we know how it goes.

10. Pastels Are Making a Splash

If you’ve been leaning into soft shades for your little one’s wardrobe, you’re in luck. Pastels are everywhere in colorful kids swimwear for 2025, and they’re bringing major mood-boosting energy with them.

We’re talking dreamy lavenders, soft mint greens, cotton candy blues, and sherbet pinks that make every poolside look feel like a summer dessert.

11. Metallics: Because Kids Deserve to Shine, Too

If there’s one thing we love at Lola and the Boys, it’s a little shine, and our kids agree. Metallics have stepped into the spotlight for 2025, and they’re here to make sure your child sparkles from head to toe.

Take a peek at the Silver Star Swimsuit, featuring shiny silver fabric with bold black stars. This one’s for the mini superstar in your life.

The Gold Mermaid Bikini is another glitter-bomb fave, perfect for the kid who needs extra in their vocabulary and wardrobe.

Why do these work? They’re fun, fearless, and they hold up in the wash. That’s the kind of win we love.

Shine tip: Metallics reflect sunlight like a dream, so keep sunscreen handy for all that sparkle time.

12. Prints That Pack a Punch

You know what never gets old? Bold prints. We’re talking flamingos, lightning bolts, rainbows, stars, donuts, sharks, basically, your kid’s favorite things, turned into swimwear.

The Donut Swim Set is just as fun as it sounds, colorful, cheeky, and a total crowd-pleaser. Perfect for your sweet tooth of a swimmer.

For boys, the Shark Attack Trunks combine ocean colors with fierce vibes, creating a summer staple that’s fun, tough, and splash-approved.

Prints aren’t just decorative, they’re part of the fun. And when your child loves what they’re wearing, they move with more confidence and joy.

13. Mixing and Matching Like a Mini Stylist

Kids love having options, especially when it comes to outfits. That’s why mix-and-match colorful kids swimwear is one of our favorite trends of 2025. Tops and bottoms that coordinate but don’t match perfectly? Total style moment.

One adorable pick: pair the Pastel Tie-Dye Bikini Top with the Rainbow Pearl Bikini Bottoms. The color palette works together effortlessly, while letting your little fashionista call the shots.

Boys can mix it up too! Pair the Galaxy Swim Trunks with the Glow Lightning Swim Set rash guard for a bold, color-splashed combo that’s sporty and fun.

Letting your kids create their own swim looks is a sweet little way to give them a sense of independence, and build confidence in their personal style.

Fashion hack: Keep a couple of bold, solid pieces in rotation so they can mix prints without clashing.

14. Travel-Ready Swimwear Picks

Planning a summer getaway? Your pool bag doesn’t need 12 pieces to look fabulous. Our travel-ready pieces make packing light a breeze, and they still deliver that bold colorful kids' swimwear energy.

Must-haves for the suitcase:

• Tie-Dye Swirl Swimsuit: One-piece wonder with swirl power.
• Pastel Dream Bikini:Girly, comfy, and rolls up neatly in a travel cube.
• Neon Camo Trunks:Bold without being bulky.
• Pink Terry Cloth Robe: Post-swim cozy essential that doubles as loungewear.

These pieces fold flat, dry fast, and look adorable in every vacation photo. And when your kid feels good in what they’re wearing? You know the trip goes smoother.

15. Budget-Friendly Picks That Still Wow

Yes, moms, we see you. Swimwear adds up when your child grows three inches in a month. But don’t worry, Lola and the Boys has affordable, colorful kids' swimwear picks that bring style and value.

Our Sequin Flip Mermaid Bikini delivers sparkle and fun for under $50. And the Donut Swim Set? Budget-friendly, adorable, and built to last past one season.

You’re not just buying a swimsuit, you’re buying confidence, memories, and maybe a tantrum-free morning. Worth every cent.

Budget tip: Stock up during off-season sales and stash a few sizes ahead, because growth spurts don’t care about your wallet.

Shop the Cutest Colorful Swimwear at Lola and the Boys

Ready to upgrade your little one’s summer style? At Lola and the Boys, we don’t just sell colorful kids' swimwear; we curate pieces that spark joy, confidence, and full-on fabulous fun.

From glittery unicorn suits to glow-in-the-dark trunks, everything in our shop is made to move with your kid’s energy. Stylish, comfy, mom-approved, and packed with personality.

Shop our full swimwear collection now and make every splash count!