Best Adjustable Bikini Sets for Girls of 2026

Name: LYZOURBB Teen Girls 3PCs Swimsuit Costume Bathing Suits Bikini Set Adjustable Bikini Top
Brand: LYZOURBB

John Zimmer

Last Updated: 12 Feb 2026

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

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

#TOP 1

LYZOURBB Teen Girls 3PCs Swimsuit Costume Bathing Suits Bikini Set Adjustable Bikini Top

9.9

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LYZOURBB Teen Girls 3PCs Swimsuit Costume Bathing Suits Bikini Set Adjustable Bikini Top

#TOP1

9.9

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#TOP 2

XiaoMoSha Swimming Costume Girls Bikini Set Two Piece Swimsuit with Adjustable Straps Bathing Suit Swimwear

9.8

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XiaoMoSha Swimming Costume Girls Bikini Set Two Piece Swimsuit with Adjustable Straps Bathing Suit Swimwear

#TOP2

9.8

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#TOP 3

Xumplo Girls Swimming Costume Kids Bikinis Set Teens 2Pcs Pink Stripe Bathing Suit with Adjustable Strap Swimsuit 11-12 Years

9.6

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Xumplo Girls Swimming Costume Kids Bikinis Set Teens 2Pcs Pink Stripe Bathing Suit with Adjustable Strap Swimsuit 11-12 Years

#TOP3

9.6

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Top 10 Adjustable Bikini Sets for Girls

#TOP 1

LYZOURBB Teen Girls 3PCs Swimsuit Costume Bathing Suits Bikini Set Adjustable Bikini Top

LYZOURBB

HHDZ055B9-10Y

Black

9-10 Years

LYZOURBB Teen Girls 3PCs Swimsuit Costume Bathing Suits Bikini Set Adjustable Bikini Top with Floral Cover Up Skirt for 8-14Years Black

9.9

FTB Score

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Features

Beautiful And Chin Floral Patterns Design Cover Up Skirt Design, It Will Make The Girls More Charming And Gorgeous

Premium Material: The Girls 3PCs Bikini Swimsuit Are Made Of High Quality Polyester Fabric With High Elasticity, The Swimsuit Is Soft, Comfortable, Breathable, Skin-Friendly, Fade-Resistant And Durable

The 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.

The Bikini Top Is Desiged With Adjustable Straps For The Best Fittings

Sizes Are Suitable For 8-14 Years Old Girls. Package Includes 1 Bikini Top, 1 Bottoms With 1 Cover Up Skirt Set

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#TOP 2

XiaoMoSha Swimming Costume Girls Bikini Set Two Piece Swimsuit with Adjustable Straps Bathing Suit Swimwear

XiaoMoSha

5-6 Years

XiaoMoSha Swimming Costume Girls Bikini Set Two Piece Swimsuit with Adjustable Straps Bathing Suit Swimwear for Girls, 5-6 Years, Purple Diamond Leopard

9.8

FTB Score

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Features

COMFORTABLE FABRIC: Girls Swimming Costume Is Made From High-Quality Fabric, With Shell Of 82%Nylon+18%Spandex And Lining Of 92%Polyester+8%Spandex. Two Piece Swimsuits Dry Quickly And Provides Comfort During Water Play Or After Swimming Sessions

UNIQUE STYLE: This Two-Piece Girls Swimsuit Top Features A Solid Color, Straps And Hem Of The Top Are Adorned With Ruffles. The Adjustable Shoulder Straps, Ensuring Comfort And Security For All-Day Wear. Paired With Print Design Swim Bottoms, It Will Make Your Princess The Center Of Attention

WIDELY OCCASION: Suitable For Beach, Swimming Pool, Swimming Lessons, Summer Trips, Vacation, Children's Day, Water Sports, Surf Party, Photo Shooting And Etc, Which Is A Great Gift For Girls. Its Vibrant Colors Easily Match Beach Sandals, Hats, And A Variety Of Accessories

SIZE CHARTS: This Swimwear Is Perfect For Girls Aged From 3-12 Years Old And Also Suitable For Various Body Shapes And Excellent For Learning To Swim. You Can Choose A Swimsuit For Your Child Referring To The Size Chart For Comfortable Fit

MULTIPLE COLORS: Girls Bikini Set Includes A Top And A Swim Bottom, Coming In Charming Prints Including Green Flower, Purple Diamond Leopard, Orange Flower, Pink Strawberry, And Red Watermelon To Make Your Teen Stand Out At The Beach Or Pool

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#TOP 3

Xumplo Girls Swimming Costume Kids Bikinis Set Teens 2Pcs Pink Stripe Bathing Suit with Adjustable Strap Swimsuit 11-12 Years

Xumplo

Pink

11-12 Years

Xumplo Girls Swimming Costume Kids Bikinis Set Teens 2Pcs Pink Stripe Bathing Suit with Adjustable Strap Swimsuit 11-12 Years

9.6

FTB Score

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Features

Soft Fabric: Our Girls Bikinis Is Made Of Polyester Fabric, Give Your Girls A Soft And Comfortable Feel For All Day Long. No Fading And No Pilling

Package Includes: The Swimming Costume For Girls Features A Fashion 2 Piece Design, The Girls Bathing Suit Includes 1 Solid One Shoulder Tops + 1 Stripe Bottom

Versatile Design: The Charming Pink And Stripe Design, Your Girl Wears Our Dazzling Bikini Suits And Will Become The Brightest Girl On The Beach

Occasions: This Teen Girls Bikinis Perfect For Swimming, Pool Party, Beachwear, Water Sports, Hot Springs, Sea Side, Swimming Lessons And More

Age Range: Available For Girls Swimming Costume 5-6 Years, Young Girls Swimsuits 7-8 Years, Big Girls Bathing Suit 9-10 Years, Tween Girls Swimwear 11-12 Years, Kids Bikinis 12-13 Years

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#TOP 4

Xumplo Girls Floral Bikini Set Tween Girls 3 Piece Swimsuits Tankini Set

Xumplo

Bigg-3pc bikini set green

Green

10-12 Years

Xumplo Girls Floral Bikini Set Tween Girls 3 Piece Swimsuits Tankini Set Cover

Xumplo Girls Floral Bikini Set Tween Girls 3 Piece Swimsuits Tankini Set with Cover Up Kids Swimming Costume Bathing Suit Green 10-12 Years

9.5

FTB Score

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Features

Stylish Style: This Teen Girls Swimsuit Includes 1 Green Bikini Top + 1 Floral Bottom + 1 Floral Cover Up. Adjustable Spaghetti Straps Are Designed To Add Comfort And Style To Your Wear. Printed Design, The Girl Will Wear It To Highlight The Elegant Temperament

Quality Material： The Girls 3 Piece Bikini Sets Are Made Of 82% Polyester Fibres And 18% Fabric Fibres. Selected High-Quality Fabrics, Soft And Breathable, Skin-Friendly And Non-Irritating, Fast-Drying And Non-Pilling, To Give Your Girl A Comfortable Wearing Experience Is Our Aim

Versatile Wear: The Children Swimsuit Is Perfect For Beach, Swimming Pool Parties, Water Activities, Hot Springs, Summer Vacations, Holidays, Surfing And Other Occasions

Girl's Gift: This Girls Fashion Swimsuits Are Perfect Gift For Your Girls And Friend's. We Recommend Hand Washing For The First Time And Washing Separately From Dark Colours, Do Not Rinse Or Iron

Age Appropriate: Suitable For Girls 3pcs Bikini Set 5-6 Years, Kids Green Swimwear 7-8 Yearas, Big Girls Floral Bathing Suit 8-10 Years, Tween Girl Swimming Costume 10-12 Years, Teen Girls Swim Set 12-14 Years

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#TOP 5

JiAmy Girls 3 Piece Bikini Set Teenage Girls Swimsuit

JiAmy

Green

15-16 Years

JiAmy Girls 3 Piece Bikini Set Teenage Girls Swimsuit Cover

JiAmy Girls 3 Piece Bikini Set Teenage Girls Swimsuit with Cover Up Summer Beach Swimming Costume 165,Green

9.4

FTB Score

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Features

Comfortable, Stretchy Fabric: Made With 85% Polyester And 15% Spandex, This Swimwear Set Offers A Stretchy, Quick-Drying Material That Ensures Comfort And Freedom Of Movement, Ideal For Swimming, Games, And Outdoor Fun.

Complete 3-Piece Set: This Stylish Bikini Set Includes A Matching Top, Bottom, And Cover-Up, Providing A Coordinated And Fashionable Look For Beach And Pool Activities. Perfect For Active Teens Who Love To Mix And Match Swimwear.

Easy To Care For, Long-Lasting Design: Machine Washable, Durable, And Resistant To Fading, This Bikini Set Maintains Its Vibrant Colors And Shape After Multiple Washes, Making It A Reliable Choice For Regular Use During Summer Months.

Built-In UV Protection: Designed To Protect Your Child's Skin From Harmful Sun Rays, This Bikini Set Is Perfect For Sunny Beach Trips, Pool Parties, Or Any Outdoor Summer Activity.

Adjustable, Secure Fit For All Body Types: Featuring Adjustable Shoulder Straps And An Elastic Waistband, This Set Provides A Customizable, Secure Fit For Different Body Shapes, Ensuring Comfort And Confidence Both In And Out Of The Water.

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#TOP 6

Miyanuby Girls Swimsuits 3Piece Bathing Suit Criss Cross Adjustable Strpas Bikini Set

Miyanuby

Green Palm

9-10 Years

Miyanuby Girls Swimsuits 3Piece Bathing Suit Criss Cross Adjustable Strpas Bikini Set Cover

Miyanuby Girls Swimsuits 3Piece Bathing Suit Criss Cross Adjustable Strpas Bikini Set with Beach Cover Up Skirt for 9-16Y

9.2

FTB Score

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Features

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!

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.

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.

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!

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.️

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#TOP 7

Naiyafly Teen Girls' 2 Piece Swimsuit Set Adjustable Straps Color Block Trim Bikini Tops + Briefs High Waist Swimwear

Naiyafly

Light Green

13 Years

Naiyafly Teen Girls' 2 Piece Swimsuit Set Adjustable Straps Color Block Trim Bikini Tops + Briefs High Waist Swimwear 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 Light Green

9.0

FTB Score

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Features

Soft Material: Two-Piece Swimwear For Teen Is Made From A Blend Of Nylon And Spandex, This Swimsuit Is Soft, Skin-Friendly, Breathable, Comfortable, And Stretchy, Allowing Children To Move Freely And Comfortably.

Teen Girls Swimsuits: This Girls' Bikini Set Features A Trendy Design With A U-Shaped Neckline, Adjustable Shoulder Straps, Removable Chest Pads, And High-Waisted Bottoms With Drawstring Detail And Wave Color Block Trim For A Unique And Stylish Look.

Various Size: The Swimsuit Bikini Is Available In Various Sizes For Teen Girls Aged 9-10 Years, 11-12 Years, 13-14 Years, 15-16 Years, Please Refer To The Size Chart Before Purchasing To Ensure The Perfect Fit For Your Child.

Occasion: The Chic Modest Girls Bathing Suits Is Perfect For Beach, Pool, Swimming, Surfer, Diving, Party, Water Play, Vacation Photoshoots, And Makes A Great Birthday Gift For Girls Who Love To Enjoy Water Activities In Style.

Girl Sport Swimwear: The 2pcs Swimwear Include A Bikini Top + Bikini Bottoms With Drawstring Design Provide A Secure Fit And Tummy Control. 6 Color For You Choose: Pink, Black, Blue, Green, Light Blue And Blue Green.

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#TOP 8

Arshiner Girls Bikini Set 3 Piece Kids Swimwear

Arshiner

Black

13-14 Years

Arshiner Girls Bikini Set 3 Piece Kids Swimwear Cover

Arshiner Girls Bikini Set 3 Piece Kids Swimwear with Sporty Bikini Top, High Waist Bikini Bottoms Sarong Cover Up Wrap Skirt Quick Dry for Beach Pool Holiday 13-14 Years Black

9.0

FTB Score

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Features

Soft & Comfy: Stretchy, Quick-Dry Fabric Feels Gentle On Skin And Allows Free Movement — Premium Kids Swimwear Made For All-Day Comfort

Secure Fit: Sporty Bikini Top Paired With High Waisted Bottoms And Adjustable Shoulder Straps Offers Comfortable Coverage And A Secure Feel — Ideal Girls Bikini For Swimming And Active Play

Contrast Trim: Stylish Contrast Piping Adds A Modern, Sporty Look And Makes The Set Stand Out — A Girls Bikini Set With Thoughtful Design Details Parents Notice

Care Instructions: Machine Washable. Sizes 140 And Up Have Bra Padding. Please Refer To The Size Chart On The Product Details Page Before Ordering

All-In-One Set: Versatile 3 Piece Girls Swimwear Set For Beach, Pool And Holidays — Easy To Wear, Easy To Mix, And Perfect For Summer Trips

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#TOP 9

Arshiner Girls Bikini Set Leopard Print Swimming Costume Kids V-Neck Tankini Teen Swim Separates High-Waisted Bikini Bottoms

Arshiner

Leopard

13-14 Years

Arshiner Girls Bikini Set Leopard Print Swimming Costume Kids V-Neck Tankini Teen Swim Separates High-Waisted Bikini Bottoms with Drawstring 160/13-14 Years

8.9

FTB Score

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Features

Size: The Fabric Of This Girls' Bikini Is Stretchy. Please Refer To Your Child's Bust, Waist, And Hip Measurements To Select The Correct Size.

NOTE: Bikini Sets For Girls Aged 8 And Up Come With Removable Breast Pads.

Washing: Machine Washable, Laundry Bag Recommended. Do Not Bleach, Hang To Dry.

Design: This Two-Piece Swimsuit For Girls Has Adjustable Shoulder Straps, And The Bottoms Feature Adjustable Drawstrings At The Sides. This Allows For A Perfect Fit And Ensures It Grows With Your Child.

Applicable Scenarios: This Girls' Bikini Set Is Designed For A Variety Of Occasions, Offering Both Practicality And Style. Perfect For Beach Vacations, Pool Parties, Photoshoots, And More.

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#TOP 10

Happy Cherry Girls 3 Piece Bikini Set Kids Floral Print Swimming Costume with Skirt Adjustable Straps Bathing Suit Teen Swimwear Green 14 Years

Happy Cherry

Green

14 Years

Happy Cherry Girls 3 Piece Bikini Set Kids Floral Print Swimming Costume with Skirt Adjustable Straps Bathing Suit Teen Swimwear Green 14 Years for Beach Pool Holidays

8.7

FTB Score

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Features

Material: 3 Pieces Girls Bikini Set Is Made With 82% Polyester + 18% Spandex Fabric, Skin-Friendly And Breathable, Cool And Comfortable To Wear

Size: Please Check The Size Chart Parameters In The Product Images Before Purchasing (Tag 130=8-9 Years, Tag 140=10-11 Years, Tag 150=12-13 Years, Tag 160=14 Years)

Occasions: Girls Floral Print Swimwear Suitable For Swimming, Beach, Holiday Parties, Pools, Training Sessions, Photo Shoots, Summer Surfing And Other Water Activities

Design: The V-Neck Bralette Top Has Adjustable Spaghetti Straps And Removable Bra Pads, Matching With A Triangle Bikini Bottom And A Drawstring Beach Skirt That's Both Stylish And Secure

Care Instructions: Our Teenager Swimsuit Is Easy To Care For And Can Be Machine Or Hand Washed In Cold Water, Do Not Dry Clean And Do Not Bleach

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Editor's Notes

During our adjustable bikini set for girls research, we found 264 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 £20.00.

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 LYZOURBB, XiaoMoSha, Xumplo, JiAmy, Miyanuby.

Written by

John Zimmer

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.