Best Adjustable Bikini Sets for Girls of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 10 Feb 2025

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Introducing adjustable bikini sets, a versatile swimwear option for girls. These bikini sets offer a customizable fit, allowing girls to find the perfect size and shape for their individual preferences. With adjustable straps and ties, these bikinis provide both comfort and style. Whether lounging by the pool or hitting the beach, these adjustable bikini sets are a trendy choice for girls looking to make a splash this summer.

At a Glance: Our Top Picks

Naiyafly Teen Girls' Adjustable Bikini Set Cover #TOP 1
Naiyafly Teen Girls' Adjustable Bikini Set
ftb score rating icon 9.9
Arshiner Girls Adjustable Bikini Set for Summer Cover #TOP 2
Arshiner Girls Adjustable Bikini Set for Summer
ftb score rating icon 9.8
JOPHY & CO. Girls Adjustable Bikini Set Cover #TOP 3
JOPHY & CO. Girls Adjustable Bikini Set
ftb score rating icon 9.6

Top 10 Adjustable Bikini Sets for Girls

Naiyafly Teen Girls' Adjustable Bikini Set

Black
13 Years
Naiyafly Teen Girls' Adjustable Bikini Set Cover
Naiyafly Teen Girls' 2 Piece Swimsuit Set Adjustable Straps Color Block Trim Bikini Tops + Briefs High Waist Swimwear with Drawstring Beachwear Bathing Suit for Kids 9-16 Years Black

The Naiyafly Bikini Set is designed for teen girls, featuring a trendy U-shaped neckline and adjustable shoulder straps for a perfect fit. The removable chest pads offer comfort while the high-waisted bottoms with drawstring detail provide tummy control, ensuring you feel confident. Made from a soft blend of nylon and spandex, this swimwear is breathable and stretchy, allowing for easy movement during activities like swimming or beach games. With various sizes available, you can easily find the right fit for your child.

What We Like
Trendy and stylish design
Soft and comfortable material
Adjustable straps for perfect fit
High-waisted for tummy control
Available in multiple sizes
#TOP 2

Arshiner Girls Adjustable Bikini Set for Summer

Arshiner
Pink & Orange
11-12 Years
Arshiner Girls Adjustable Bikini Set for Summer Cover
Arshiner Girls Bikini Set Flowers Summer Kids Two-Piece Swimming Costume Fashion Adjustable Shoulder Strap Tankini Swimming Bikinis Suit for Girls 11-12 Years

The Arshiner Girls Bikini Set is a fashionable choice for summer fun, featuring cute prints and vibrant colours that will make your child stand out. Made from high-quality fabric, it offers a soft, stretchy, and breathable fit, ensuring comfort during all-day wear. This set is versatile, perfect for beach days, pool parties, or swimming lessons. You can easily mix and match it with other accessories like sun hats or swim goggles to create unique looks, making it an ideal addition to your child's summer wardrobe.

What We Like
Stylish and cute design
Comfortable and breathable fabric
Versatile for various activities
Mix and match with accessories
#TOP 3

JOPHY & CO. Girls Adjustable Bikini Set

2001 Blue
10 Years
JOPHY & CO. Girls Adjustable Bikini Set Cover
JOPHY & CO. Swimwear for Girls and Girls Two Pieces Bikini Set Beachwear Adjustable Whole cod.5300, 2001 Blue, 10 Years

The JOPHY & CO. Bikini Set is ideal for girls aged 5-16, perfect for summer activities like beach trips and pool parties. With a variety of designs, you can ensure your little one looks vibrant and stylish. Made from high-quality polyester, this swimsuit is skin-friendly and breathable, keeping your child comfortable while they play. Its stretchy and quick-drying fabric allows for easy movement and quick changes, making those summer days even more enjoyable.

What We Like
Bright and varied designs
Comfortable and skin-friendly fabric
Adjustable shoulder straps
Quick-drying for convenience
#TOP 4

Allmeingeld Girls' Adjustable Mermaid Bikini Set

Mermaid
9-10 Years
Allmeingeld Girls' Adjustable Mermaid Bikini Set Cover
Allmeingeld Toddler Girls' Mermaid Bikini Sets Adjustable Shoulder Straps Swimwear Blue 9 Years

The Allmeingeld Mermaid Bikini Set is an ideal choice for young girls who love fun and colourful swimwear. It is lightweight, soft, and breathable, ensuring comfort during all water activities. The adjustable shoulder straps allow for a perfect fit, while the full lining guarantees privacy. With its adorable patterns featuring sunflowers and mermaids, this bikini set makes for a perfect gift for birthdays or festive occasions. Plus, it’s quick-drying, making it convenient for beach trips and pool days.

What We Like
Soft and breathable fabric
Adjustable straps for comfort
Colourful and stylish designs
Quick-drying for convenience

Xumplo Girls Floral Bikini Set for Tweens

Bigg-3pc bikini set green
Green
12-14 Years
Xumplo Girls Floral Bikini Set for Tweens Cover
Xumplo Girls Floral Bikini Set Tween Girls 3 Piece Swimsuits Tankini Set with Cover Up Kids Swimming Costume Bathing Suit Green 12-14 Years

The Xumplo Girls Bikini Set is designed with quality in mind, made from 82% polyester and 18% fabric fibres for a soft and breathable feel. This ensures your girl has a comfortable wearing experience, perfect for all-day fun. The stylish design features a green bikini top, floral bottom, and cover-up, allowing her to express her elegant temperament. The adjustable spaghetti straps add comfort, making it easier for her to enjoy water activities without any fuss. This set is suitable for various ages, ensuring a perfect fit for your tween.

What We Like
High-quality, breathable material
Stylish and elegant design
Adjustable straps for comfort
Versatile for many occasions
#TOP 6

Arshiner 3 Piece Girls Flower Swimsuit Set

Arshiner
Green Floral
11-12 Years
Arshiner 3 Piece Girls Flower Swimsuit Set Cover
Arshiner 3 Piece Girls Bikini Sets Flower Swimsuit Adjustable Bikini Top with Triangle Bikini Skirt and Swimming Shorts Summer Beach Swimwear Swimwear Green Flowers 150

The Arshiner Girls Bikini Set is crafted from soft, comfortable fabric that is non-scratch and quick-drying, ensuring your little one can enjoy water activities without discomfort. This three-piece swimwear includes a bikini top, a beach skirt, and two types of bottoms, allowing for versatile styling based on your child's mood. The adjustable shoulder straps and ruffle sleeves provide a perfect fit as your child grows. An adorable bow on the swim skirt adds a charming touch, making it a delightful choice for any beach outing or pool party.

What We Like
Soft, comfortable fabric
Adjustable straps for better fit
Versatile three-piece design
Ideal for various occasions
#TOP 7

Momkonzz Girls 3 Piece Flower Bikini Set

Momkonzz
girls bathing suit
13-14 Years
Momkonzz Girls 3 Piece Flower Bikini Set Cover
Momkonzz Girls Swimming Costume Kids Swimsuits Bikini Set 3 Piece Bathing Suits Teen Flower Bikini Strap Set with Skirt Cover Up Surfing Beach Swimwear Green 13-14 Years

The Momkonzz Girls Bikini Set is designed for comfort and style. Made from high-quality polyester fibre, it offers excellent elasticity and durability, ensuring it feels soft and doesn't lose shape. The fashionable v-neck top features adjustable spaghetti straps and bra pads for a secure fit, while the matching briefs and floral cover-up skirt add a stylish touch. This swimwear is perfect for various summer activities, from beach days to pool parties, keeping you looking great and feeling comfortable all day long.

What We Like
Comfortable, soft material
Stylish and secure design
Adjustable straps for a perfect fit
Quick-drying and easy to care for

Arshiner Girls Ribbed Bikini Set for Summer

Arshiner
Blue
11-12 Years
Arshiner Girls Ribbed Bikini Set for Summer Cover
Arshiner Girls Bikini Set Ribbed Summer Kids Two Piece Swimsuit Solid Color Fashion Beach Bikinis Swimming Suit for Girls 11-12 Years Blue

The Arshiner Girls Bikini Set offers a fashionable design with adjustable straps and a stylish ribbed texture, perfect for beach days or pool parties. Made from high-quality materials, this swimsuit ensures comfort, breathability, and stretchiness, making it ideal for warm summer activities. Versatile in use, you can wear it for swimming, sunbathing, or even as casual underwear. Additionally, it can be easily paired with various accessories to create a unique and personalised look that suits your style.

What We Like
Stylish ribbed design
Comfortable and breathable material
Versatile for various occasions
Adjustable straps for better fit
#TOP 9

Girls 3 Piece Floral Tankini Swimsuit Set

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02-light Blue
13-14 Years
Girls 3 Piece Floral Tankini Swimsuit Set Cover
Girls 3 Piece Tankini Swimsuits Children Girls Bikini Bathing Suits Floral Print Bikini Set with Skirt Cover-up Swimwear 3 Piece Set Tankini Set Bikini Swimsuits for Girls (02-Light Blue, 13-14 Years)

The Girls Floral Tankini Set is a delightful three-piece swimsuit designed for comfort and style. Made from 82% polyester and 18% spandex, it offers a soft and breathable fit, perfect for all-day wear. The adjustable spaghetti straps and detachable chest pad provide a customisable fit, ensuring you feel secure and at ease. With a high-waisted cover-up skirt included, you can enjoy full coverage while looking fashionable at the beach or pool. This set is versatile enough for various occasions, making it an ideal choice for holidays or birthday gifts.

What We Like
Soft and comfortable material
Adjustable and secure fit
High-waisted skirt for coverage
Versatile for multiple occasions
#TOP 10

3-Piece Girls Criss Cross Bikini Set

3 pieces Girls Bikini Sets
13 Years
3-Piece Girls Criss Cross Bikini Set Cover
Girls Swimsuits Bikini Set 3 Pieces Swimsuit Criss Cross Bathing Suit Girls' Swimwear with Cover Up for Girls 9 10 11 12 13 Years

The Naiyafly Girls Bikini Set offers a comfortable and stretchy material that is smooth and breathable, ensuring a pleasant wearing experience for your child. With its floral print and criss-cross design, it adds a stylish touch while adjustable shoulder straps provide a tailored fit. The removable bra feature allows for versatility, making it suitable for various water activities such as beach outings, pool parties, and ocean-themed events. Plus, the set includes a cover-up, making it easy to transition from water to land.

What We Like
Comfortable and breathable material
Stylish floral print design
Adjustable shoulder straps
Removable bra for versatility
Includes a cover-up
Buying Guide Image
Editor's Notes

During our adjustable bikini set for girls research, we found 113 adjustable bikini set for girls products and shortlisted 10 quality products. We collected and analyzed 3,535 customer reviews through our big data system to write the adjustable bikini sets for girls list. We found that most customers choose adjustable bikini sets for girls with an average price of £14.84.

The adjustable bikini sets for girls are available for purchase. We have researched hundreds of brands and picked the top brands of adjustable bikini sets for girls, including Naiyafly, Arshiner, JOPHY & CO., Allmeingeld, Xumplo. The seller of top 1 product has received honest feedback from 41 consumers with an average rating of 4.4.

Written by
John Zimmer Avatar

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.