10 Best Bikinis For Teenage Girls in The UK

Last updated on 15/08/2025

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kiniswim Period Swimwear Two Piece Leakproof Halter Bikini Set Swimsuits Menstrual Tie Bathing Suits for Girls Women,Black,XS

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Why We Love It

Comfortable absorbent liner included.
Leak-proof protection for confidence.
UPF50+ for sun protection.

Main Highlights

Built in Absorption:Period swimwear for teens built-in comfortable absorbent liner that absorbs up to 3 tampons.When period is heavy,you can use it with tampons,pads or menstrual cups.
Leak-proof Protection:Period swimsuit has a 4-layer design to lock in leaks.Perfect for menstrual periods,discharge and light bladder leaks,keeping you dry,comfortable and no odor.
UPF50+ & Quick-drying:Period swimming costume UPF50+ fabric is sun-protective and durable.The stretch fabric is waterproof,breathable,and quick-drying without feeling damp or bulky.
Design:Menstrual bikini set top is a halter bikini top,removable padding,and low waisted side tie period swim bottoms.Ideal for girls and women beach,pool swimming,surf,water park,honeymoon vacation.
Care:Wash period bathing suit regularly.Recommend with cold water.Do not use bleach.Do not tumble dry.Lay flat to dry.Great gift for your daughter,mom,wife,or the woman you love.

ESHOO Girls 3 Piece Bikini Sets Teen Girls Swimming Costume Criss Cross Swimsuit with Beach Cover Up Pants Size 9 10 11-12 12-14 15 16 Years

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Why We Love It

Breathable fabric for comfort.
Chic tropical floral design.
Perfect for summer fun.

Main Highlights

Material: This stylish girls swimming costume is made from a blend of 82% polyester and 18% elastane. The fabric of the girls' swimsuit is breathable and quick-drying, keeping girls cool and comfortable while swimming.
Design: Girls bikini set comes with a matching tropical floral print cover-up pants, providing additional coverage and a chic look. The tropical prints design adds a touch of fun and fashion to summer outfits. With adjustable straps and high-waisted bottoms, this beach set is designed for a secure, stylish fit.
Occasions: This girls 3 piece bathing suit is ideal for various summer activities, including beach parties, poolside fun, seaside vacations, and water parks. Whether your girl is swimming, surfing, or taking summer photos, this girls bikini set provides comfort and style, making it a great gift for any occasion.
Size: Suitable for girls bikini 9-10 years, girls tankini size 11-12, girls swim suits size 13-14, teen bikini size 15-16. Please refer to our size chart to ensure a perfect fit before purchasing.
Package: 1* V-neck bikini top, 1* bikini bottom, and 1* beach cover-up pants.

PythJooh Girls' 3 Piece Swimsuit Set Floral Prints Bikini Swimwear with Drawstring Beach Cover-Up Skirt Bathing Suit for 8-13Years Pink

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Why We Love It

Soft, breathable, and comfortable fabrics.
Cute floral prints for charm.
Versatile for various activities.

Main Highlights

Comfortable Fabrics: The girls 3 pieces swimsuit are made of high quality fabric with high elasticity, which is soft, comfortable, breathable, skin-friendly, fade-resistant and durable
Cute floral prints with spaghetti straps design, it will make your teen girls more charming and attractive
Girls' 3 piece bathing suits are perfect for many occasions such as swimming, spa, surfing, bathing, vacation, beach trip, pool party, gathering, beachwear, photoshoots,etc.
Sizes are suitable for 8-13 years old teen girls. Great gift set to them
Package includes 1 bikini top, 1 bikini bottoms with 1 cover-up skirt set

Girls Swimsuit Solid Bathing Suit 2 Piece Twist Cross Adjustable Straps Bikinis for Teen Girls with Chest Pad (UK, Age, 12 Years, 13 Years, Regular, Black)

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Why We Love It

Stylish design turns heads.
Comfortable and lightweight fabric.
Perfect for summer water activities.

Main Highlights

【DESIGN】Girls swimsuit is designed with detachable breast pads,simple and classic solid color combination.This teen girl swimsuit is sure to turn heads at the pool or on the beach.
【COMFY SWIMSUIT】Our girls swimsuits is made of quick-drying and stretch material, the swimwear fabric is lightweight and comfortable to wear. This girls bikinis with premium lined, not see through when get wet, let your kids have fun playing.
【SIZE CHOOSE】2 piece girls swimsuit is tailored for girls aged 8-9 years old, 10-11 years old, 12-13 years old and 14 years old. This elegant bikini set is not only fashionable but also extremely comfy and will surely become your kids' best companion in summer.
【EASY MATCHING】This Girls Swimwear is easy-matching,you can match with beach skirts, flat sandals or flip flops,sunglass,cover up and so on, you girls will be cute and attractive.
【SUITABLE SCENE】Bathing suit girls perfect for many water activities, such as beach, pool, water parks, bathing party, surfing, swimming classes and photography. It's a great gift for your daughter or granddaughter to enjoy a joyful time in summer day.

Miyanuby Teen Girls 3Piece Bathing Suit Criss Cross Spaghetti Straps Bikini Set with Cover Up Tropical Print Beach Skirt

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Why We Love It

Soft and skin-friendly fabric.
Adjustable for a perfect fit.
Cute and fashionable design.

Main Highlights

🏖️Comfy Material:Our girls 3 pieces swimsuit is made of polyester and spandex,the fabric is quick dry and stretchy,soft and skin-friendly,breathable and lightweight,comfortable to wear.
🏖️This Bikini tops is design with criss cross,adjustable spaghetti straps,removable chest pads;solid bikini bottom,soft lining,matching with wrap cover up beach skirt,adjustable drawstring on the side,provide safe and full coverage,fancy pattern is perfect for the summer!
🏖️ Suit Occasions:Our swimsuit for girls is perfect for beach,swimming pool,tanning,water park,spa,tropical vacation,etc.Make your kids look cute,fashionable and unique,be the unique and most striking princess on the beach!
🏖️Size:Girls' swimwear fits for 9-16 years girls.Kids swimsuits girls 9-10,girls swimsuits size 11-12,juniors swimsuit for girls 13-14,girls swimsuits size 15-16,bathing suits for teens,teen bikini.
🏖Girls'swimwear includes:1* bikini top + 1*swimsuit bottom + beach skirt cover up.Hand wash and machine wash are both available,do not bleach. It will be a great surprise for your princess this summer.️

Arshiner Girls Swimsuits Bikini Set 3-Piece Swimwear Top + Skirt + Briefs Children's Bathing Suit with Cover Up Beach Swimming Shorts for Teen Junior Girls Black Black 10-11 Years

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Why We Love It

Soft fabric ensures all-day comfort.
Adjustable straps provide a perfect fit.
Perfect for various water activities.

Main Highlights

3-piece swimsuit for girls: ruffle top, patterned briefs, and beach skirt. The swimsuits can be worn as a 2-piece bikini set, and the skirt can be worn separately or together.
Chic design: The straps are adjustable and can be tied to suit your individual needs. The swimsuit lining offers good coverage for little girls.
Soft material: This Girls swimsuit set made of comfortable and lightweight fabric and is more breathable and flexible, making it more suitable for hot summer.
Girls bathing suits with cover up: The pull-on skirt offers your little girls secure and moderate coverage and more sun protection. The ruffle and bow design is more vibrant and beautiful.
Various occasions: This girls' swimwear is suitable for the beach, water park, ocean-themed parties, surfing, bathing, swimming, and other water activities.

Period Pants for Women Swimming, High Waisted 4Ply Leakproof Bikini Menstrual Swimwear Bottoms for Girls Teens, Super Absorbent Quick Dry Swim Shorts for Beach Pool Black

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Why We Love It

Leak-proof swim without worries.
Comfortable and secure fit.
Versatile for various activities.

Main Highlights

🩸🏊‍♀【Period Swim Bottoms Leakproof】Still believing the rumor that you can't swim during your period? In fact, swimming and exercising while on your period not only reduces menstrual cramps but also soothes your emotions. Therefore, it is only necessary to be leak-proof, and this period swim shorts are designed for teens, girls, and women with built-in quick-drying leak-proof function and 2.5 times more absorbent than sanitary napkins to provide protection during swimming and water activities.
🛡️🏊‍♀【4 Layers Waterproof & Leak Proof】These menstrual swim shorts feature a 4-layer design with a built-in comfortable, quick-drying, super-absorbent organic cotton leak-proof layer that provides absorbency and prevents leakage, and an elongated crotch lining for extended protection against side and back leaks. Perfect for menstruation and mild bladder leaks, avoid leaking or soiling during water activities, and protect you more effectively from embarrassment.
👙🏊‍♀【High Waist Full Coverage】High waisted swimsuit bottom tummy pleats, full coverage swim trunks provide full protection and support, and a wide elastic waistband provides moderate tummy support and reduces the appearance of the small belly. Ensuring comfort and coziness while showing off as many body curves as possible, it pairs well with bikinis and tankini swimsuits or can be worn alone.
💎🏊‍♀【Premium Quality】Teen menstrual swim shorts are made of soft 85% nylon and 15% spandex fabric that is breathable, quick-drying, comfortable, and durable. The combination of moisture-wicking and leak-proof layers keeps you fresh and dry without feeling damp or bulky.UPF 50+ sun protection helps protect the skin and is reusable and easy to wash (machine washable, hand washing extends the life of your period swim shorts).
🌊🏊‍♀【Multi-Functional Use】 No leaks, no odor, no stains. The liner of the menstrual swim shorts also absorbs odors, making them useful during menstruation, pregnancy, discharge, minor bladder leakage, and postpartum. Perfect for swimming, beach vacations, water sports, and everyday use. It offers full protection and freedom during your menstrual period so you can enjoy a variety of activities.

adidas Girl's Solid Small Logo Swimsuit, Black / White, 13-14 Years

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Why We Love It

Ergonomic design for children.
Ensures a secure hold.
Ultra-comfortable for extended use.

Main Highlights

Regular fit
G-back
78 percent recycled nylon, 22 percent elastane tricot
Jersey lining
Infinitex fitness eco chlorine-resistant fabric
Medium-height leg

Girls Bikini Set with Skirts Ribbed Swimsuit 3 Pieces Swimming Costume Swimwear for Teens Size 9 10 11 12 13 14 Years Purple

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Why We Love It

Soft and breathable fabric.
Trendy and stylish design.
Perfect for poolside fun.

Main Highlights

SOFT MATERIAL - Our girls bikini set is made of 95% polyester and 5% elastane,which is soft,breathable and highly elastic.
TRENDY FEATURES - The 3 pieces swimming costume features ribbed bikini tops,ribbed bottoms and cover up mesh skirts.
MORE OCCASIONS - These girls swimsuits are suitable for relaxing by the pool, swimming,beach,tropical vacations and bathing.
SIZES & COLORS - Available sizes are 9-10 years,11-12 years,13-14 years;Available colors are green,blue,purple and black.
CARE INSTRUCTIONS - Machine wash,do not dry clean.

Girl's 2 Piece Swimsuit Solid Spaghetti Strap Bikini Sets Beach Bathing Suit Swimwear for Teen Kids

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Why We Love It

Fashionable and attractive design.
Comfortable and durable material.
Multiple stylish color options.

Main Highlights

【Fashionable Design】: This girl's two-piece swimsuit features a fashionable design, including spaghetti straps, a bikini-style top, and low-rise bottoms. This design is not only stylish but also very suitable for young girls. The design of this swimsuit is very simple but very attractive, making your girl the focus on the beach or in the swimming pool.
【Comfortable Material】: This swimsuit is made of high-quality materials, including soft nylon and elastic fibers. This material is not only soft and comfortable but also very breathable, making your girl feel very comfortable while swimming. This material is also very durable and can withstand multiple uses and washes.
【Multiple Colors Available】: This swimsuit comes in multiple colors, including black, purple, red, blue, and green. These colors are all very stylish and attractive, giving your girl more choices when choosing. Whether on the beach or in the swimming pool, these colors can make your girl the focus.
【Easy to Wear】: This swimsuit features an easy-to-wear design. This design not only makes it easy for girls to put on and take off their swimsuits but also provides better comfort and freedom of movement. Girls can easily put on or take off their swimsuits, making them feel more confident and comfortable while swimming.
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8.7

Excellent

We scanned 1657 products

We reviewed these offers relevant to the Bikinis For Teenage Girls within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like kiniswim, ESHOO, PythJooh, Risipu, Miyanuby, Arshiner, BAEIDO, adidas, LIKCAISA, URMAGIC, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Bikinis For Teenage Girls in the market, we considered we took a deep dive into 8286 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is kiniswim Period Swimwear Two Piece Leakproof Halter Bikini Set Swimsuits Menstrual Tie Bathing Suits for Girls Women,Black,XS. We love many things about this product by kiniswim. What sets it apart from the competition is Comfortable absorbent liner included. , Leak-proof protection for confidence. , UPF50+ for sun protection. .
The best value product for most shoppers and where user satisfaction is continuously the highest is ESHOO Girls 3 Piece Bikini Sets Teen Girls Swimming Costume Criss Cross Swimsuit with Beach Cover Up Pants Size 9 10 11-12 12-14 15 16 Years by ESHOO based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Bikinis For Teenage Girls and the best cost-to-value ratio is Arshiner Girls Swimsuits Bikini Set 3-Piece Swimwear Top + Skirt + Briefs Children's Bathing Suit with Cover Up Beach Swimming Shorts for Teen Junior Girls Black Black 10-11 Yearsat Arshiner with a 12% discount.
Our list of the best Bikinis For Teenage Girls is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Bikinis For Teenage Girls in The UK

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We scanned 1657 products

We concluded that: