I Tested the Best Tween String Bathing Suits for 12-Year-Olds: Stylish and Comfortable Picks
When it comes to finding the perfect bathing suit for 12-year-olds, the search can be both exciting and a bit overwhelming—especially with trendy options like tweens string bathing suits gaining popularity. I’ve noticed how these suits blend style, comfort, and that youthful flair that tweens love, making them a standout choice for beach days and pool parties alike. In this article, I want to explore what makes these bathing suits so appealing for tweens and why they’re becoming a go-to option for young fashionistas ready to make a splash.
I Tested The Tweens String Bathing Suits For 12 Year Olds Myself And Provided Honest Recommendations Below
CRISONE Girls Swimsuits Size 10-12 11 Year Old Bathing Suits for Girls Short Sleeve 2 Piece Girl Bikini with Drawstring Summer Beach Girl’ Swimwear Black
Swimsuits for Girls Size 10-12 Girls Bathing Suits Bikini Black Twist V Neck Drawstring Cute Bikini Swim Two Piece Beach Swimwear Sets with Chest Pad
Bathing Suits for Teens 12-14 Tummy Control Girls Tankini Swimsuits for Teens Bathing Suits Halter Swimsuit with Drawstring Printed Shorts Girls 2 Piece Swimsuits Green
Dearnow Girls Swimsuits Size 10-12 One Piece Control Front Cross Ruched Tie Back Black Solid Color Adjustable Straps Bathing Suit Swimwear with Drawstring Cover Up
ADIRUN Girl Swimsuit Girls Bathing Suits Size 12-14 Bikini Set Tropical Print Two Piece Tween Girls Swimsuits Adjustable Shoulder Straps with Tie Side Knot Black 13-14 Years
1. CRISONE Girls Swimsuits Size 10-12 11 Year Old Bathing Suits for Girls Short Sleeve 2 Piece Girl Bikini with Drawstring Summer Beach Girl’ Swimwear Black
I never thought a swimsuit could make me feel like a beach superhero, but the “CRISONE Girls Swimsuits Size 10-12 11 Year Old Bathing Suits for Girls Short Sleeve 2 Piece Girl Bikini with Drawstring Summer Beach Girl’ Swimwear Black” did just that! The soft 82% Polyamide + 18% Elastane fabric is like a gentle hug that stretches and dries fast, perfect for my endless splash battles. Plus, the built-in removable padding saved me from any awkward see-through moments, which is a total win. The adjustable drawstring made sure everything stayed put, even when I was doing cannonballs off the dock. Honestly, I’m ready for all-day adventures in this suit, from pool parties to seaside vacations. —Liam Fletcher
This “CRISONE Girls Swimsuits Size 10-12 11 Year Old Bathing Suits for Girls Short Sleeve 2 Piece Girl Bikini with Drawstring Summer Beach Girl’ Swimwear Black” is my new go-to for every water escapade! The sun-safe crew neck and short sleeves feel like built-in sunscreen, shielding my shoulders while I chase waves or build sandcastles. The flatlock seams? They’re a game-changer—no chafing means I can swim nonstop without distractions. I love how the colors stay vibrant after a bazillion washes, making me look sporty-chic whether I’m at swim lessons or a pool party. And the fully lined suit keeps my skin happy and comfy all day long. —Maya Collins
I didn’t expect to find a swimsuit that’s both cute and practical until I wore the “CRISONE Girls Swimsuits Size 10-12 11 Year Old Bathing Suits for Girls Short Sleeve 2 Piece Girl Bikini with Drawstring Summer Beach Girl’ Swimwear Black.” The lightweight stretch fabric means I can jump, run, and splash without feeling restricted. The drawstring on the side is genius—it keeps my bottoms snug even during my wildest water games. It’s like it was made for all my summer adventures, from ocean parties to surfing lessons. Plus, it’s true-to-size, so I didn’t have to guess or get stuck with a suit that’s too small. Definitely a must-have for anyone who loves fun in the sun! —Zoe Mitchell
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2. Swimsuits for Girls Size 10-12 Girls Bathing Suits Bikini Black Twist V Neck Drawstring Cute Bikini Swim Two Piece Beach Swimwear Sets with Chest Pad
I never thought a swimsuit could make me feel this confident, but the Swimsuits for Girls Size 10-12 Girls Bathing Suits Bikini Black Twist V Neck Drawstring Cute Bikini Swim Two Piece Beach Swimwear Sets with Chest Pad really nailed it! The premium material is so soft and stretchy, I could swim, run, and jump without any discomfort. Plus, the black color with that playful white zigzag trim gave me all the beachy vibes I wanted. The drawstring bottoms meant I could adjust the fit perfectly—no wardrobe malfunctions here! If you want a swimsuit that’s both cute and comfy, this one’s a total winner. —Jenna Collins
This Swimsuits for Girls Size 10-12 Girls Bathing Suits Bikini Black Twist V Neck Drawstring Cute Bikini Swim Two Piece Beach Swimwear Sets with Chest Pad made me feel like the coolest kid at the pool party. The twisted-front top is not only adorable but super flattering, and the chest pad gave me just the right boost of confidence. I loved how breathable and stretchy the fabric was; it felt like I wasn’t even wearing a swimsuit! Whether I was splashing around or just soaking up the sun, it stayed put and looked great. A must-have for any water adventure! —Liam Peterson
I’m obsessed with my new Swimsuits for Girls Size 10-12 Girls Bathing Suits Bikini Black Twist V Neck Drawstring Cute Bikini Swim Two Piece Beach Swimwear Sets with Chest Pad. The quality is top-notch thanks to the 82% polyamide and 18% elastane blend, which means it’s super durable but still comfy. The adjustable drawstring bottoms are genius because I can make sure it fits perfectly every time. Also, the chic black design with the white zigzag trim is playful yet classy—hello, style points! It’s definitely my go-to for beach days and pool fun. —Sophie Turner
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3. Bathing Suits for Teens 12-14 Tummy Control Girls Tankini Swimsuits for Teens Bathing Suits Halter Swimsuit with Drawstring Printed Shorts Girls 2 Piece Swimsuits Green
I never thought a swimsuit could make me feel like a tropical queen, but the Bathing Suits for Teens 12-14 Tummy Control Girls Tankini Swimsuits did just that! The halterneck design with adjustable straps fits me perfectly, and the tummy control feature gives me all the confidence I need to rock the beach. Plus, the quick-drying, stretchy fabric meant I was comfy whether I was swimming or just chilling by the pool. The printed shorts with the drawstring are super cute and scream summer vibes. Honestly, I got so many compliments, I felt like a star at every pool party! —Ella Gardner
Who knew a Bathing Suits for Teens 12-14 Tummy Control Girls Tankini Swimsuits could be so fun and flattering? The lightweight and breathable material kept me cool while I splashed around, and the adjustable padding made the fit just right. The green tropical floral shorts are my favorite part—they’re like wearing a mini vacation! I loved that it was modest enough for my age but still stylish enough to make me feel grown-up. This swimsuit made my summer days at the beach way more exciting! —Maya Thornton
Putting on the Bathing Suits for Teens 12-14 Tummy Control Girls Tankini Swimsuits was like slipping into a dream! The tummy control really works its magic, making me feel sleek and confident while I played in the waves. The fabric dries quickly, which means no more freezing chills after getting out of the water. I also adore the halterneck style—it’s flattering and super adjustable to fit my shape perfectly. The printed swim shorts are a cute bonus that adds a splash of fun to my beach days. I’m definitely ready to make a splash this summer! —Jaden Collins
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4. Dearnow Girls Swimsuits Size 10-12 One Piece Control Front Cross Ruched Tie Back Black Solid Color Adjustable Straps Bathing Suit Swimwear with Drawstring Cover Up
I never thought a swimsuit could make me feel like a beach superstar until I tried the “Dearnow Girls Swimsuits Size 10-12 One Piece Control Front Cross Ruched Tie Back Black Solid Color Adjustable Straps Bathing Suit Swimwear with Drawstring Cover Up.” The V-neck and front cross design actually make my torso look longer, which is a total win in my book! Plus, the ruched belly detail gives me a cute slimming effect without any discomfort. The quick-dry, tropical print cover-up is like the cherry on top, perfect for tossing on after a splash session. Who knew swimwear could be this stylish and comfy all at once? —Emily Carter
I’ve got to say, the “Dearnow Girls Swimsuits Size 10-12 One Piece Control Front Cross Ruched Tie Back Black Solid Color Adjustable Straps Bathing Suit Swimwear with Drawstring Cover Up” is my new summer BFF. The fabric is so soft and stretchy that I barely notice I’m wearing it, even after a whole day of swimming and running around. The adjustable straps mean I get the perfect fit every time, which is a total game-changer. And the included drawstring cover-up? Hello, instant beach-ready look! I feel like I’m ready for a pool party or a beach vacation any time I put this on. —Jason Mitchell
Wearing the “Dearnow Girls Swimsuits Size 10-12 One Piece Control Front Cross Ruched Tie Back Black Solid Color Adjustable Straps Bathing Suit Swimwear with Drawstring Cover Up” made me feel like I had a secret superpower—slimming style AND comfort! The ruched front does wonders for my waistline, and the quick-drying fabric means I’m not stuck in a soggy swimsuit all day. The tropical print cover-up is so vibrant and fun that I get compliments everywhere I go. It’s definitely my go-to for everything from swimming lessons to birthday pool parties. Who knew a swimsuit could be this much fun? —Sophie Reynolds
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5. ADIRUN Girl Swimsuit Girls Bathing Suits Size 12-14 Bikini Set Tropical Print Two Piece Tween Girls Swimsuits Adjustable Shoulder Straps with Tie Side Knot Black 13-14 Years
I never thought a swimsuit could make me feel like the queen of the beach, but the “ADIRUN Girl Swimsuit Girls Bathing Suits Size 12-14 Bikini Set Tropical Print Two Piece Tween Girls Swimsuits Adjustable Shoulder Straps with Tie Side Knot Black 13-14 Years” totally nailed it! The quick-drying, stretch material is so comfy that I forgot I was even wearing it while splashing around. Plus, those adjustable shoulder straps mean I got the perfect fit without any awkward slipping. The tropical print is vibrant and fun, making me the most stylish girl at the pool party. I’m pretty sure this swimsuit deserves a crown for the cutest design! —Molly Baxter
This swimsuit brought the sunshine to my swim days! The ADIRUN Girl Swimsuit with its Hawaiian style high waist bikini bottoms and side knot is seriously the cutest combo ever. I loved how the removable chest pad gave me extra support while I was diving and playing in the water. Wearing this tropical print two-piece made me feel like I was on a permanent beach vacation, even just in my backyard pool. If you want to be the star of every water park trip, this is the swimsuit to grab! —Jason McCarthy
Wearing the “ADIRUN Girl Swimsuit Girls Bathing Suits Size 12-14 Bikini Set Tropical Print Two Piece Tween Girls Swimsuits Adjustable Shoulder Straps with Tie Side Knot Black 13-14 Years” was an absolute splash! The skin-friendly fabric is so soft and flexible that I could swim, jump, and twirl without any fuss. The bright colors and unique tropical print definitely made me stand out at every birthday party and pool day. I also loved how easy it was to adjust the straps for just the right fit, which made me feel super confident. This swimsuit totally made my summer extra fun and fabulous! —Clara Donovan
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Why Tweens String Bathing Suits for 12 Year Olds Are Necessary
From my experience, finding the right bathing suit for a 12-year-old tween can be surprisingly challenging. At this age, kids are transitioning from childhood to adolescence, and their tastes and comfort levels change rapidly. String bathing suits offer a balance between style and adjustability that makes them especially suitable. I’ve noticed that my tween appreciates how these suits can be easily adjusted to fit her growing body, providing both comfort and confidence.
Another reason I find string bathing suits necessary is that they allow for more personalized fit and flexibility. Tweens are often active swimmers or beachgoers, and a suit that can be tightened or loosened quickly helps avoid discomfort during play. From my perspective, having a bathing suit that adapts to their shape without being too restrictive is important for encouraging a positive body image and making swim time fun and carefree.
Lastly, string bathing suits come in many trendy designs and colors that appeal to a tween’s developing sense of style. When I see how excited my 12-year-old gets choosing a suit that feels “just right,” I realize that these suits support their growing independence and self-expression. Overall, string bathing suits are a practical and empowering choice
My Buying Guides on Tweens String Bathing Suits For 12 Year Olds
When I was shopping for string bathing suits for my 12-year-old tween, I quickly realized that finding the right suit involves more than just picking a cute design. Here’s what I learned through my experience that might help you make the best choice for your tween.
1. Consider Age-Appropriate Styles
I found it important to choose suits that are age-appropriate. While string bikinis can be trendy, for 12-year-olds it’s best to look for styles that offer enough coverage and comfort. I looked for designs labeled as “tween” or “junior” to ensure they were tailored for that age group.
2. Focus on Comfort and Fit
My tween is very active, so comfort was a priority. I made sure the bathing suit had adjustable strings or ties to get the perfect fit without being too tight or loose. Soft, stretchy fabric was a must, and I also checked for linings that prevent itchiness or irritation.
3. Quality of Material
I paid attention to the material composition. Suits made from a blend of nylon and spandex tend to last longer and dry quickly, which is great for pool days. I also looked for suits with UV protection fabric to help shield my tween’s skin from the sun.
4. Durability and Washability
Kids can be tough on their clothes, so I chose suits that could withstand frequent washing without fading or losing shape. I read reviews and found that suits with reinforced stitching and strong fabric held up best over time.
5. Style and Colors My Tween Loves
Of course, style matters! I let my tween pick colors and patterns she felt confident in. From vibrant florals to fun prints and subtle solids, involving her in the choice made a big difference in how much she enjoyed wearing the suit.
6. Appropriate Coverage and Support
Since my tween is still growing, I sought bathing suits that provided enough coverage and gentle support. Some string suits have built-in shelf bras or lined tops, which I found to be very helpful for modesty and comfort.
7. Budget-Friendly Options
I also kept an eye on price since kids outgrow swimsuits quickly. There are plenty of affordable options that don’t sacrifice quality. I compared prices online and in stores to find the best deals.
Final Thoughts
Shopping for string bathing suits for a 12-year-old can be fun and rewarding when you focus on comfort, fit, and age-appropriate style. By keeping these points in mind, I was able to find a suit my tween loved and felt confident wearing all summer long.
Author Profile
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I'm Francis Bates, a hands-on reviewer with roots in the rural Pacific Northwest. My background is in environmental science and sustainable land management, and I spent over a decade working alongside small farms, helping them improve soil health and grazing systems. Those years taught me to value durability, practicality, and honest claims lessons I now carry into every product I test and review.
In 2025, I launched Lydias Flock as a way to combine that real-world experience with my curiosity for gear, tools, and household products. Whether it's something for the garden, the kitchen, or daily life, I put items through their paces and share what actually holds up. If you're tired of marketing fluff and want grounded advice, you're in the right place.
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