Looking for a girl bathing suit to wear at the beach this summer? Check out our two best-brand suits for a 12-year-old girl. They’re stylish, comfortable, and perfect for a day in the sun.

The girls' bathing suits are made with high-quality materials and construction that will last all season long. And they’re available in a variety of fun colors and designs that your kids will love. Sign up and order your girls' swimwear today on our website at an affordable price!

How We Choose the Best Beach Bathing Suits

It can be hard to find the perfect bathing suit for your girl, especially if they are a bit older or taller. Not only do you want your girls to feel comfortable and look great in their bathing suits, but you also want them to stay safe while playing in the sun.

After reading through thousands of reviews on Amazon, we’ve found the best beach bathing suits for a 12-year-old girl that is at an affordable price.

Matching Family Swimsuits

Best For Matching Swimsuits For Family

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Why We Love It

Whether you're headed to the pool or beach, an essential item is a girl's swimsuit. Look no further than this matching swimsuit one-piece set for your whole family including kids! Made of 92% polyester and 8% elastane with drawstring closure, these suits offer unmatched comfort and coziness during activity or relaxing in the sun.

Choose between a Palm Leaf printed 2-piece for women and girls as well as a swim trunk for men and boys – all available in standard US sizes! You can choose from sizes XS to XXL depending on preference and price.

Don't worry about shopping for multiple girls' or boys' suits at different stores – get the complete look here to look good, feel comfortable, and make your next beach or pool day all the more fun!

What You Should Know

These girls' swimsuit options are essential for making any beach day perfect. Made of high-quality, skin-friendly fabric with a professional design and breathable construction, these swimsuits are perfect for keeping your family cool in the summer vacation heat.

A variety of options exist for your girl, including a one-piece or two-piece bikini set with ruffles or flounce top and palm bottom print, or a swim trunk with drawstring - all tailored to your needs.

These girls' swimwear suits are also made with smooth and durable fabric that is stretchy, soft, and comfortable to wear. So don't let summer get down on you this year - get ready with Mommy and Me Suits!

SwimZip Girls One-Shoulder + High Waist Bottom Swimsuit (2 Piece) UPF 50+

Best For UPF 50+ Protection

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Why We Love It

SwimZip girl swimsuit makes it simple to keep your kids protected from sunlight with built-in UPF 50+ protection. Moreover, the pink and red color will make this swimsuit the best choice at an affordable price.

The swimsuit fabric locks in 98% of other UVA and UVB rays that are known to cause cancer, without having to reapply sunscreen every hour. As well as offering superior sun protection, comfort is also a priority in the design.

What You Should Know

The pink fabric is soft and fade-resistant while a zipper garage prevents chaffing and a back zipper flap keeps the zipper from rubbing against your kid's stomach.

Furthermore, you can have peace of mind knowing SwimZip girls' swimsuits are crafted with care in the United States from high-quality materials. Start sun safety and style for kids today with SwimZip and enjoy more time playing at the beach or pool!

RAISEVERN Girls One Piece Swimsuits

Best For Excellent Sun Protection

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Why We Love It

100% Polyester is the perfect fabric to make swimsuits for young girls. The material is so soft and tender, snuggling up against their delicate skin and providing excellent sun protection.

Styles are available in a range of vibrant and eye-catching 3d prints, such as mermaids, fish scales, unicorn cats, galaxies, and dinosaurs - perfect for keeping little ones entertained while they enjoy a day in the water!

Whether it's their first time or an experienced swimmer, a 100% polyester girls one piece bathing suit provides comfort and fun for all aquatic adventures.

What You Should Know

This little girl's swimsuit is great for any water sport the cute ones in your life take part in. Whether it be a pool party, swimming with their team, beach-specific fun, or a trip to Hawaii with the family, this well-fitting swimsuit is perfect for all occasions.

Along with being comfortable and stylish this adjustable strap women's swimwear also offers two ways to wear it - cross strapping or parallel strapping - making sure there is a perfect fit no matter the mood.

And if needed not to worry about growing out of it; this suit comes available in sizes ranging from 3T-10T leaving ample room to grow while still looking oh-so-chic.

Belovecol Girls Swimsuits Two Piece Tankini Bathing Suits

Best For Light Weight and Breathability

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Why We Love It

If you're looking for an excellent girls' swimsuit, then look no further than a nylon spandex two-piece bathing suit. Made with imported fabrics of utmost quality, this lightweight and breathable set provides a secure fit due to its stretchy waistband.

Best of all, it is both quick drying and hand-wash only, meaning that you'll get plenty of wear out of it before needing to worry about washing. With 82% nylon and 18% spandex in the blend, you can trust that your purchase was worth every penny!

What You Should Know

In the summertime, getting your little girl ready to have some fun in the sun can be a breeze with girls' rash guard tankini swimsuits!

There is a wide range of designs perfect for any kind of activity and event, from multiple mermaid styles to dinosaur-printed suits all the way up to 3d leopard graphics. No matter the occasion - such as beach holidays and swimming - these lightweight tanks will provide excellent protection while still looking great whatever the weather.

Not only that but they are also made out of easy-care fabric which can be simply hand-washed for further convenience. So get her kitted up in these awesome suits and you'll both be snug and stylish on your next vacation together!

Kanu Surf Girls' Mahina UPF 50+ Beach Sport Halter Bikini

Best For a Blend of Nylon and Spandex

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Why We Love It

If you're looking for a stylish way to stay cool this summer, then the Beach Sport Halter Bikini 2-Piece Swimsuit is a great choice. This swimsuit is designed with comfort in mind, crafted from a blend of 82% nylon and 18% spandex for an optimal fit that holds everything in place.

The pull-on closure ensures a snug fit and the machine-washable fabric makes it easy to maintain. Whether you're sunbathing at the beach or relaxing by the pool, you'll be sure to stand out in style with this classic bikini.

What You Should Know

Whether you're playing in the waves or practicing your lounging skills, do it with confidence and style in this two-piece sport halter bikini. Made from high-quality UPF 50+ nylon tricot, the fabric is lightweight, and breathable and will keep your skin protected from the sun's harmful rays.

This swimsuit comes fully lined at the front and back for additional coverage with a flattering fit that'll make you feel secure, no matter how energetic you get. Amazingly versatile, it's available in sizes 2 through 14 and also has a matching rashguard and boardshorts – so all your favorite beach activities have never looked better!

Beach Bathing Suits For 12-Year-Olds FAQ

What color swimsuit makes girls look skinnier?

The color of a bathing suit does not necessarily make girls look skinnier. Instead, the best way to create a slimming look is to choose a style that flatters your body type and compliments your curves. If you are looking for an overall slimming effect for kids, then dark colors such as black, dark pink or navy can help to minimize any figure.

Should you get separate swim bottoms for 12-year-olds?

It can be beneficial to get separate bottoms for 12-year-old girls, as they may fit differently than one-piece suits or bikinis. Swimsuit bottoms for girls with adjustable straps and a comfortable waistband are ideal for ensuring a secure, yet comfortable fit for a country trip. Additionally, opting for shorts or skirts over traditional bikini bottoms can provide extra coverage.

Is one-piece girls' swimwear worth it?

A one-piece girls' swimsuits are a great choice for 12-year-olds and beyond. One-piece swimsuit options are comfortable, secure, and provide allover coverage. Additionally, the kids' swimsuit comes in a wide range of girls' styles, so you can choose one that will fit your kids' individual styles.

What is the best material for a 12-year-old swimsuit?

The best material for 12-year-old girls' swimwear is one that offers comfort, breathability, and durability. It should be lightweight, fast-drying, and able to withstand chlorine. Popular options include polyester blends with spandex, chlorine-resistant fabrics such as Lycra Xtra Life Fiber, and nylon/spandex blends.

Are there any special features I should look for in swimwear for 12-year-olds?

When shopping for swimwear for 12-year-old girls, it’s best to look for pieces with special features that will provide extra comfort and security. Look for one-piece swimsuit options with adjustable straps, drawstrings, one-piece or two-piece, or ruching to create a custom fit. Additionally, some swimsuits offer UPF protection which can help to protect your child’s skin from the sun.


We have wrapped up our research with the best two or one-piece swimsuit options for you. The suit items we have chosen are comfortable, affordable, and stylish. So now that you know which ones to buy, put your swimsuit on and get ready to enjoy your time in the water! Happy swimming!