Best Rainbow Tankinis for Girls of 2026

Name: Aisyee Girls Two Piece Mermaid Scale Tankini
Brand: Aisyee

John Zimmer

Last Updated: 11 Feb 2026

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Rainbow Tankinis are vibrant and stylish swimwear options for girls. These tankinis feature a colourful and eye-catching design, perfect for the summer season. The tankini top provides ample coverage and support, while the bottoms offer a comfortable and secure fit. Made from high-quality materials, Rainbow Tankinis are durable and resistant to fading. With their playful and fun design, these tankinis are sure to make any girl stand out at the beach or pool.

At a Glance: Our Top Picks

#TOP 1

Aisyee Girls Two Piece Mermaid Scale Tankini

9.8

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Aisyee Girls Two Piece Mermaid Scale Tankini

#TOP1

9.8

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#TOP 2

Dtiaagto Girls Tankini Swimsuit Kids Bathing Suits Girls Kids Tankini Swimming Suit with Short Rainbow Set Size 9 10

9.7

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Dtiaagto Girls Tankini Swimsuit Kids Bathing Suits Girls Kids Tankini Swimming Suit with Short Rainbow Set Size 9 10

#TOP2

9.7

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#TOP 3

SHEKINI Girls Rainbow Ruffles Two-Piece Swimsuit

9.5

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SHEKINI Girls Rainbow Ruffles Two-Piece Swimsuit

#TOP3

9.5

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Top 10 Rainbow Tankinis for Girls

#TOP 1

Aisyee Girls Two Piece Mermaid Scale Tankini

Aisyee

9-10 Years

Aisyee Girls Two-Piece Tankini Swimsuit Kids Girls 9-10 Years Rainbow Mermaid Scale Floral Tankini Swimwear

9.8

FTB Score

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The Aisyee Girls Tankini features adjustable straps and elegant flounces, ensuring a comfortable fit for all body types. Perfect for summer vacations, this swimsuit is both stylish and easy to care for, making your beach trips a breeze. Crafted from soft, lightweight fabrics, the vibrant colours won't fade, allowing your child to shine at the beach. Suitable for various occasions, including swimming lessons and parties, this swimsuit is an ideal choice for fun in the sun.

What We Like

Adjustable straps for comfort

Bright colours and stylish design

Soft and lightweight fabric

Easy to care for

Suitable for multiple occasions

#TOP 2

Dtiaagto Girls Tankini Swimsuit Kids Bathing Suits Girls Kids Tankini Swimming Suit with Short Rainbow Set Size 9 10

Dtiaagto

Pink

9-10 Years

Dtiaagto Girls Tankini Swimsuit Kids Bathing Suits Girls Kids Tankini Swimming Suit with Short Rainbow Set Size 9 10

9.7

FTB Score

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Features

Mermaid Style: This Bathing Suits Set Features Unique Fish-Scale Textures And Shimmering Details, Like Shells, Starfish And Pearls, Making Your Girls The Center Of Attention At The Beach Or Poolside.

Material: This 3 Piece Tankini Swimsuit Set Is Soft, Skin-Friendly, Quick-Drying, And Breathable, Offering A Comfortable And Snug Fit. Elastic Fabric Provides Excellent Stretch, Allowing Girls To Move Freely And Enjoy Unrestrained Fun In The Water.

Unique Design: Ruffle Top With Thin Straps, Easy-To-Wear Shorts, And A Hollowed Tail For Beauty And Mobility, Making You Shine Like A Mermaid.

Size: Our Girls Swimsuit Is Suitable For Girls Aged 3-11 Years. To Choose A Good Size For Your Girls, Please Check The Measurement Chart In The Description Before Purchasing.

Occasions: This Tankini Set Is Ideal For Various Occasions, Including Beach Trips, Pool Parties, Swimming, Resort Vacations, Summer Holidays And Cruises. It Ensures A Joyful And Memorable Experience.

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#TOP 3

SHEKINI Girls Rainbow Ruffles Two-Piece Swimsuit

SHEKINI

4109

Rainbow

8 Years

SHEKINI Girls Swimsuit 2 Pieces Swimwear Ruffles Bikini Tankini Set Print Bottoms Cute Swimming Costume for Kids 6-12 Years, Rainbow, 8

9.5

FTB Score

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The SHEKINI Ruffles Bikini Set is designed for comfort and style. Its soft, stretchy fabric ensures it is skin-friendly, making it ideal for your child's delicate skin. The double ruffle design on the bikini top adds an extra touch of cuteness, perfect for little swimmers. With adjustable shoulder straps and a square neckline, you can enjoy peace of mind knowing the swimsuit offers extra security during play. The swim briefs feature a charming print and provide full hip coverage, allowing for worry-free fun in the water.

What We Like

Soft and stretchy fabric

Double ruffle design

Adjustable shoulder straps

Full hip coverage

#TOP 4

Girls Swimming Costume Two Piece Tankini Swimsuit Stripe Swimwear Rainbow Age 7-8 Years

Moon Tree

Rainbow

7-8 Years

Girls Swimming Costume Two Piece Tankini Swimsuit Stripe Swimwear Rainbow Age 7-8 Years

9.4

FTB Score

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Features

Breathable & Quick-Dry: Our Girls Swimming Swimsuits Are Crafted From High-Stretch, Quick-Dry Fabric That's Soft On The Skin, Breathable, And Non-Restrictive, Providing Growing Kids With A Comfortable, Form-Fitting Wear.

Thoughtful Design: Our Girls Swimming Costume In Sizes "13-14 Years" And "15-16 Years" Come With Removable Padded Cups, Catering To The Comfort Needs Of Girls At Different Ages, Making Swimming And Beach Activities More Carefree And Enjoyable.

Stylish & Sweet: This Girls' Tankini Set Features Vibrant Colors, Accented With Tropical Floral Prints For A Lively Yet Sweet Look. Perfect For Making Your Little One Shine At The Pool Or Beach!

Premium Details:Expertly Cut With Flawless Stitching For Long-Lasting Wear, These Girls Swimsuits Feature Adjustable Slim Straps For A Customized Fit—where Every Detail Speaks Of Premium Quality.

Comfortable & Convenient: Whether For Swimming Lessons, Beach Vacations, Or Water Park Adventures, This Girls Bikini Set Lets Girls Enjoy Summer With Confidence. The Quick-Dry Fabric Reduces Wet Heaviness, Keeping Movements Light And Carefree.

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#TOP 5

Hatley Girls Sleeveless Tankini Two Piece Swimsuit, Jelly Bean Rainbow

Hatley

S23JBK1490

Jelly Bean Rainbow

5 Years

Hatley Girls Sleeveless Tankini Two Piece Swimsuit, Jelly Bean Rainbow, 5 Years

9.4

FTB Score

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Features

FULLY LINED: Featuring A Soft, Comfortable Lining, This Swimwear Provides Extra Comfort And A Smooth Feel Against The Skin, Ensuring Your Child Stays Comfortable All Day Long In And Out Of The Water. Perfect For Long Days At The Beach Or Pool, It Combines Style And Practicality For Endless Fun.

SUN PROTECTION: Protect Yourself From The Sun's Rays With A Swimsuit That Has Chemical-Free UPF 50+ Sun Protection.

SPORTY STYLE: Designed With A Sporty Top And Elastic At The Armholes And Straps, This Kids' Swimwear Provides A Secure, Comfortable Fit That Moves With Them. Perfect For Active Days By The Water, It Combines Style And Flexibility For All Their Splash-Filled Adventures.

LIGHTWEIGHT & QUICK-DRYING: Crafted From A Super Lightweight Fabric, This Swimwear Dries Quickly, Ensuring Your Child Stays Comfortable And Ready For Their Next Adventure. Whether They're Playing At The Beach Or Splashing In The Pool, It Offers The Perfect Combination Of Freedom And Fast-Drying Comfort.

CHLORINE & SALTWATER RESISTANT: Designed With A Special Fabric That Stands Up To The Harsh Effects Of Chlorine And Saltwater, This Swimsuit Keeps Kids Protected And Looking Great, Whether They're At The Pool Or The Beach. Perfect For All Their Aquatic Adventures, It Ensures Durability And Style With Every Splash.

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#TOP 6

Girls Unicorn Bikini Tankini Swimming Costume Suit 2 Piece Swimsuit

Kids Essentials

Unicorn

7-8 Years

Girls Unicorn Bikini Tankini Swimming Costume Suit 2 Piece Swimsuit (Unicorn, 7-8 Years)

9.2

FTB Score

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Features

The Kids Tankini Swimming Costume Has Separate Top With Straps, Round Neck And Pretty Frill To Bottom Hem. The Set Has Matching Bottoms With A Pretty Frill To The Waist.

This Is A Lovely Girls Unicorn 2 Piece Tankini Bikini Swimming Costume.

The Tankini Swim Suit Has A Pretty Pattern Of Unicorns And Rainbows Throughout. This Girls Tankini Swimming Costume Is Perfect For Holidays, The Beach, Fun And Play!

Sizes: 3-4 Years, 4-5 Years, 5-6 Years , 6-7 Years, 7-8 Years, 8-9 Years, 9-10 Years, 10-11 Years, 11-12 Years.

PLEASE NOTE: This Is Ex Chainstore, Labels Will Be Removed Or Defaced.

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#TOP 7

Girls Tankinis Two Pieces Swimsuits Hawaiian Beach Sport Bathing Suit Set for 2-12 Years Old Kids, Rainbow B

TENVDA

Rainbow B

10-12 Years

Girls Tankinis Two Pieces Swimsuits Hawaiian Beach Sport Bathing Suit Set for 2-12 Years Old Kids, Rainbow B, 10-12 Years

9.2

FTB Score

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Features

Comfortable Material : This Girls' Tankini Set Incorporates Polyester & Spandex And Keeps Its Shape And A Soft Feel, Making It Perfect For A Full Season Of Swimming.

Stylish Design : Modest-Coverage Bikini Top And Briefs With Elastic Waistband.Two-Piece Tankini Let Them Mix & Match Style In Tops And Bottoms For A Perfect Fit.

Occasion: Perfect For Girls Summer Swimwear, Beachwear, Pool Days, Party And Seaside Tourism.

Excellent Protection : Crafted To Block Harmful UV Rays Which Can Effectively Protect Your Child's Skin, Our Tankini Bathing Suits Free You Up To Spend Less Time Worrying.

Colour-Popping Prints : TENVDA Has A Great Selection Of Cute Girls Swimsuits In Trendy Colors And Prints With High Definition Color-Fastness.Your Swim Suits Will Stay Bright And Bold Through Every Wash.

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#TOP 8

AmzBarley Girls Two Piece Tankini Swimsuit

AmzBarley

AA334-Pink-3XL-UK

Hot Pink

12-14 Years

AmzBarley Girls Two Piece Tankini Swimsuit Cover

AmzBarley Girls Swimming Costume Two Piece Swimsuit Childs Kids Tankini Set Bathing Suit Racer Back Tops Swim Shorts Swimwear Summer Beach Holiday Sports Wear Vacation Clothes Hot Pink

9.1

FTB Score

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The AmzBarley Tankini Set is a high-quality girls' two-piece swimsuit designed for comfort and style. Made from soft, quick-drying fabric, it provides a comfortable fit that is easy to wear during summer activities. The round neck racer back tops feature attractive stripes, while the boyshort-style swim shorts come with an elastic waistband for a secure fit. This set is perfect for tropical vacations or family gatherings at the beach or pool, ensuring your child enjoys every moment in the water.

What We Like

Soft, stretchable fabric

Stylish racer back design

Comfortable boyshort swim shorts

Quick-drying for convenience

#TOP 9

Girls 2 Piece Swimsuit Ruffle UPF 50+ Tankini Swimsuit Skirt with Lining Size 3-10, A5-rainbow-01, 7-8 Years

SunFocus

A5-rainbow-01

7-8 Years

Girls 2 Piece Swimsuit Ruffle UPF 50+ Tankini Swimsuit Skirt with Lining Size 3-10, A5-rainbow-01, 7-8 Years

9.0

FTB Score

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Features

HIGH QUALITY FABRIC 3-10 Years Girls Swimsuit Made Of 82% Nylon, 18% Spandex, Soft And Quick Drying, Built-In Mesh, Comfortable And Breathable; UPF 50+ Sun Protection, Which Can Resist More Than 127% Of UV Rays In Summer, Protect Children's Sensitive Skin.

Unique Design The Girls Two Piece Swimsuit Consists Of Ruched Short Sleeve Swimsuit And Skirt With Underlining, Large Cuffs And Crew Neck, Easy To Wear And Take Off; Shorts With A Big Skirt, Make Girls More Confident And Confident.

WASHING & SIZE:Machine Wash And Hand Wash Are Recommended,Ruffle Swimsuit Has 5 Sizes For Choose,size 3-4,size 5-6,size 7-8,size 8-9,size 9-10.

Applicable Occasions This Girls Swimwear Is Perfect For Beach, Surfing, Pool, Hawaii And Other Water Activities. Make This Swimsuit A Fun Summer For Your Kids.

3D Printing Patterns:Blue Mermaid, Butterfly, Sunflower, Pink Flamingo, Rainbow Leopard, A Variety Of Cute Patterns, Hawaiian Style For Girls, Mature 35D Printing Technology, Realistic, Not Easy To Fade.

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#TOP 10

Harry Bear Girls Tankini | Leopard Print Bikini

Harry Bear

hbsspt15

Blue

7-8 Years

Harry Bear Girls Tankini | Leopard Print Bikini Cover

Harry Bear Girls Tankini | Leopard Print Bikini | Animal Print Girls Swimming Costume | Blue 7-8 Years

8.8

FTB Score

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Features

Comfy Harry Bear Swimsuit: Comfort Meets Cute With Ruched, Elasticated Pink Straps And A Contrasting Pink Hem. These Features On The Girls Swimming Costume Ensure A Comfy Fit That Stays In Place, Whether She's Building Sandcastles Or Splashing In The Waves

Leopard Swim Set That Steals The Spotlight: Dive Into Style With This Leopard Print Tankini For Girls! The Swimming Costume Girls Will Love Flaunts A Vibrant Blue Background And Playful Pink And Black Accents Around Each Leopard Spot, It's The Perfect Blend Of Fun And Fashion For Any Pool Day

Must Have Animal Print Swimsuit: This Cute Girls 2 Piece Swimming Costume Is A Perfect Addition To Any Swimsuit Collection. Pair The Harry Bear Swimsuit With Other Swimming Accessories To Look Fabulous At The Beach And It Will Be A Sure Delight For Young Fashionista

Coordinated Animal Print Charm: This Leopard Print Tankini Set Includes A Top And Matching Brief Style Bottoms, Both Adorned With A Chic Leopard Print. The Bottoms Of This Adorable Girls Bather Features Contrasting Pink Binding And A Waistband, Enhancing The Playful Look

Animal Lover Gifts For Gifts: Searching For The Perfect Birthday Gifts For Girls, Leopard Print Gifts Or Swimming Gifts? This Animal Print Swimsuit, Bursting With Black And Pink Leopard Print Joy, Makes An Excellent Choice For Gifts For Swimmers Or Any Young Animal Lover

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Editor's Notes

During our rainbow tankini for girls research, we found 68 rainbow tankini for girls products and shortlisted 10 quality products. We collected and analyzed 3,571 customer reviews through our big data system to write the rainbow tankinis for girls list. We found that most customers choose rainbow tankinis for girls with an average price of £20.00.

The rainbow tankinis for girls are available for purchase. We have researched hundreds of brands and picked the top brands of rainbow tankinis for girls, including Aisyee, Dtiaagto, SHEKINI, Moon Tree, Hatley.

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.