Best Girls Swimwear in 2021

Best Girls Swimwear
Best Girls Swimwear

For this post, I have put together a collection of the best girls swimwear currently available. You can also see my top picks for all beach accessories.

My Top Picks:


Whether the kids are at the beach or splashing around in the pool finding the right swimsuit for a little girl or teenage girl can be a challenge.

Girls want comfort and style so we’ve scoured the internet to find the best swimwear for girls, from sporty to two-piece options, we’ve got it covered.

All of our choices have excellent customer feedback and reviews.

Looking for more kids swimming essentials? See our top picks for the best kids swimming goggles and kids wetsuits.

Let’s get going!

Swimwear For Little Girls

Ikali Girls One Piece Swimsuit

  • This pretty ruffle swimsuit is perfect for wearing at the beach or swimming pool.
  • It’s made from 50+ UPF rated & chemical free fabric, which is lightweight, soft, stretchy, breathable and chlorine & salt resistant.
  • Fully lined both front and back for comfort and a premium feel.
  • The design features elastic spaghetti shoulder straps, overlaid with tropical flowers & leaves print, tiered frill decoration across the front chest, triangle bottom embellished with eye-catching bow-knots at sides.
  • Available in sizes from 3 years- 9 years.
  • Available in colours blue/ flourescent/ purple/ sapphire blue.
  • 86% of 960 buyers gave it 4/5 stars..

Harry Bear Girls Unicorn Swim Set

  • An adorable unicorn motif swim set!
  • Comprised of a purple top printed with a unicorn face and shimmering glitter and comfy shorts with an all over print of unicorns, rainbows and stars.
  • Bright pink ruffles to the cuffs and collar add a colourful finish to the swimwear.
  • These types of two-piece sets are ideal for keeping the kids shoulders and legs protected from the suns rays.
  • Ideal for the beach or pool on holiday.
  • Available in sizes 18 months- 7 years.
  • 86% of 136 buyers gave it 4/5 stars..

Swimwear For Older Girls

Speedo Essential Endurance Plus Medalist Swimsuit

  • This is the perfect swimsuit for swimming training and swimming lessons.
  • It is made of highly-durable, 100 percent chlorine resistant Endurance+ fabric.
  • The comfortable and unrestricted fit won’t get in the way during swimming lessons.
  • Muscle-back design so swimsuit stays in place.
  • Made of quick drying fabric.
  • Available in sizes from 5 years- 16 years.
  • Available in colours black/ neon blue/ Speedo navy/ USA red/ princess pink/ electric pink.
  • 92% of 2,037 buyers gave it 4/5 stars..

Moon Tree Girls Mermaid Swimwear

  • If your little one is into mermaids, she will love this sparkly range of mermaid inspired swimming costumes.
  • Soft fabric for kid’s sensitive skin and durable for best results. 
  • High-tech material with SPF50.
  • Bright and colourful so you can easily spot your child at the beach or pool.
  • Available in sizes 2 years- 16 years.
  • Available in colours/styles; Pink Mermaid x2 / Rainbow Mermaid x2 / Purple/ Rainbow/ Green Mermaid/ Halter Mermaid/ Mermaid Laser/ Blue Mermaid.
  • 88% of 116 buyers gave it 4/5 stars..

Harry Potter Girls Hogwarts Swimsuit

  • Hogwarts fans will love this Harry Potter inspired swimming costume.
  • With burgundy and navy stripes, the name “Hogwarts” on the chest and the schools iconic coat of arms to one side.
  • Officially licensed Harry Potter merchandise.
  • 85% Polyester, 15% Elastane for stretch.
  • Available in sizes 5 years- 13 years.
  • 93% of 334 buyers gave it 4/5 stars..
  • Are you a Potter head? See 29 Magical Harry Potter Gift Ideas.

Swimwear For Teens

Speedo Girls Boom Splice Legsuit

  • The extra coverage of this legsuit swimming costume makes it ideal for indoor and outdoor swimming, as well as all-weather beach trips.
  • Great option for teenage girls.
  • Soft-touch, stretchy Endurance10 fabric is engineered to keep its shape and has greater chlorine resistance than standard swimwear fabric.
  • The muscle-back is ideal for longer swim sessions with a design that allows full range of motion.
  • With built-in UPF50+ sun protection which helps protect skin.
  • Available in EU sizes 24-34.
  • Available in black and electric pink.
  • 91% of 785 buyers gave it 4/5 stars..

Ellesse Giama Swimsuit

  • This swimsuit is ideal for teenage girls who want to look stylish and sporty.
  • Crossover back straps are adjustable and stay in place well.
  • The logo is prominent across the chest for a younger, sporty look.
  • Quite low cut but not too much.
  • This one has lightly padded cups.
  • Available in sizes UK 6- 16.
  • Available in colours; All over print / black/ purple.
  • 99% of 9 buyers gave it 4/5 stars..

Chay Chax Family Matching Bikini Set

  • Is your daughter at the age where she loves twinning with you? These bikini sets come in child and adult sizes so that you can buy them for the whole family.
  • Made of breathable, quick-drying and high elastic fabric.
  • Ruched double ruffled flounce, adjustable ties at neck and back.
  • Flattering high waist bikini bottoms.
  • Available in sizes 1-2 Years, 2-3 Years, 4-5 Years (Kids) and Small/Medium/Large/X-Large (Adults).
  • Available in colours; 2-black Floral/ 2-floral Blue/ 3-green/ 3-leopard Black/ 3-orange/ 3-pink/ 3-red/ Leopard a/ Orange a/ Red a.
  • 75% of 115 buyers gave it 4/5 stars..

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