Swimwear & Beachwear

Sun, sand and swimsuits for little ones
283 items
NABAIJI GIRLS' 1P SWIMSUIT VEGA SHORTY PINK
NABAIJI GIRLS' 1P SWIMSUIT VEGA SHORTY BLUE
Gallery item 1 out of 2
NABAIJI GIRLS' 1P SWIMSUIT VEGA SHORTY PINK
2 colors
£12.99
NABAIJI Girls' 1-piece swimsuit shorty Kamyleon black
NABAIJI Girls' 1-piece swimsuit shorty Kamyleon black
£19.99
SPEEDO Girls’ One-Piece Swimsuit SPEEDO SPLASHBACK Black stars
SPEEDO Girls’ One-Piece Swimsuit SPEEDO SPLASHBACK Black stars
Rate: 4.7 stars, 48 votes
£16.99
NABAIJI Girl's One-Piece Swimsuit Lexa Celo pink orange
NABAIJI Girls' Swimming One-Piece Swimsuit Chlorine Resistant Lexa Kali - Blue
NABAIJI Girls' One-Piece Swimsuit Lexa Lines Blue
NABAIJI Girl's One-Piece Swimsuit Lexa Celo Blue Green
Gallery item 1 out of 4
NABAIJI Girl's One-Piece Swimsuit Lexa Celo pink orange
Rate: 4.7 stars, 560 votes
4 colors
£14.99£19.99
OLAIAN One-piece long-sleeved swimsuit turquoise
OLAIAN One-piece long-sleeved swimsuit Storm blue
Gallery item 1 out of 2
OLAIAN One-piece long-sleeved swimsuit turquoise
Rate: 4.7 stars, 74 votes
2 colors
£19.99
NABAIJI Girl's One-Piece Swimsuit Kamiye Dino Print
NABAIJI Girls' one-piece swimsuit Kamiye Print - Alg Blue/Pink
NABAIJI Girls' One-Piece Swimsuit Kamyleon Print - Fire black/yellow
Gallery item 1 out of 3
NABAIJI Girl's One-Piece Swimsuit Kamiye Dino Print
Rate: 4.7 stars, 791 votes
3 colors
£11.99£15.99
NABAIJI Girl's swimsuit 1-piece Kamy Long black green
NABAIJI Girl's swimsuit 1-piece Kamy Long black green
Rate: 4.3 stars, 6 votes
£22.99
NABAIJI KAMYIE + 500 Girls' one-piece swimsuit - Pink
NABAIJI KAMYIE + 500 Girls' one-piece swimsuit - Blue
Gallery item 1 out of 2
NABAIJI KAMYIE + 500 Girls' one-piece swimsuit - Pink
Rate: 4.6 stars, 282 votes
2 colors
£10.99
OLAIAN GIRL'S ONE-PIECE TRIANGLE SWIMSUIT 500 ORANGE
OLAIAN GIRL'S ONE-PIECE TRIANGLE SWIMSUIT 500 FUCHSIA
Gallery item 1 out of 2
OLAIAN GIRL'S ONE-PIECE TRIANGLE SWIMSUIT 500 ORANGE
Rate: 4.7 stars, 94 votes
2 colors
£9.99£15.99
NABAIJI Girls’ Basic 1-piece Swimsuit purple
NABAIJI Girls’ Basic 1-piece Swimsuit Luna Blue
Gallery item 1 out of 2
NABAIJI Girls’ Basic 1-piece Swimsuit purple
Rate: 4.7 stars, 1092 votes
2 colors
£4.99
OLAIAN Girl's 1-piece swimsuit - 900 Calysta shiso black
OLAIAN GIRL'S ONE-PIECE CALYSTA SWIMSUIT 900 BLACK GOLD
Gallery item 1 out of 2
OLAIAN Girl's 1-piece swimsuit - 900 Calysta shiso black
Rate: 4.2 stars, 17 votes
2 colors
£19.99
NABAIJI Girls' One-piece Swimsuit Kamyli Spor
NABAIJI Girls' One-piece Swimsuit Kamily East
NABAIJI Girls One-Piece Swimsuit Kamyli all gradi blue
NABAIJI Girl's 1-Piece Swimsuit KAMYLI BLACK GOLD
NABAIJI Girls One-Piece Swimsuit Kamyli all game red
Gallery item 1 out of 5
NABAIJI Girls' One-piece Swimsuit Kamyli Spor
Rate: 4.7 stars, 130 votes
5 colors
£9.99£16.99
NABAIJI Lila Ama 100 Girls Swimming One-Piece Swimsuit/Skirt - White
NABAIJI Lila Navy 100 Girls Swimming One-Piece Swimsuit/Skirt - Lily navy
NABAIJI Lila All Omi 100 Girls Swimming One-Piece Swimsuit/Skirt - Navy
Gallery item 1 out of 3
NABAIJI Lila Ama 100 Girls Swimming One-Piece Swimsuit/Skirt - White
Rate: 4.7 stars, 574 votes
3 colors
£17.99
NABAIJI GIRLS' 1-PIECE SWIMSUIT KAMYLEON BLACK
NABAIJI GIRLS' 1-PIECE SWIMSUIT KAMYLEON BLACK
£17.99
NABAIJI KAMYLEON 500 Girl's Swimsuit - Dino
NABAIJI KAMYLEON 500 Girl's Swimsuit - Star Black / Yellow
NABAIJI KAMYLEON 500 Girl's Swimsuit - All Game Pink
NABAIJI KAMYLEON 500 Girl's Swimsuit - All Camo Yellow
NABAIJI KAMYLEON 500 Girl's Swimsuit - Text blue / pink
Gallery item 1 out of 5
NABAIJI KAMYLEON 500 Girl's Swimsuit - Dino
Rate: 4.3 stars, 952 votes
5 colors
£11.99£15.99
NABAIJI VEGA 100 Girl's One-Piece Swimsuit - Pink
NABAIJI VEGA 100 Girl's One-Piece Swimsuit - Pink
Rate: 4.6 stars, 613 votes
£9.99
NABAIJI Lila 100 Girl's Swimsuit - Bird Navy
NABAIJI Lila 100 Girl's Swimsuit - Marg Lilac
NABAIJI Lila 100 Girl's Swimsuit - yellow
Gallery item 1 out of 3
NABAIJI Lila 100 Girl's Swimsuit - Bird Navy
Rate: 4.6 stars, 470 votes
3 colors
£14.99
NABAIJI Girl's Vega + Swimming one-piece swimsuit navy herringbone
NABAIJI Girls' 1-piece swimsuit Vega+ navy
NABAIJI Girls' 1-piece swimsuit Vega - Purple, WA Swimmers
Gallery item 1 out of 3
NABAIJI Girl's Vega + Swimming one-piece swimsuit navy herringbone
Rate: 4.6 stars, 256 votes
3 colors
£14.99
NABAIJI VEGA Shorty 100 Girl's Swimsuit - Turquoise Blue
NABAIJI VEGA Shorty 100 Girl's Swimsuit - Turquoise Blue
Rate: 4.6 stars, 698 votes
£8.99£10.99
NABAIJI Girls' 1-piece Swimsuit VEGA PANTAI KHAKI
NABAIJI Girls' 1-piece Swimsuit VEGA PANTAI KHAKI
£10.99
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 500 FUCHSIA
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 500 PURPLE
Gallery item 1 out of 2
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 500 FUCHSIA
Rate: 4.8 stars, 40 votes
2 colors
£9.99£15.99
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 BLACK
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 CORAL
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 DAISIES AZURE BLUE
OLAIAN GIRL'S MIXLIFE ONE-PIECE SWIMSUIT 100 YELLOW
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 COCO TURQUOISE
OLAIAN One-piece swimsuit 100 - turquoise
OLAIAN Girl's 1-piece swimsuit - 100 Hiloe tropical party pink
Gallery item 1 out of 7
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 BLACK
Rate: 4.4 stars, 986 votes
7 colors
£6.49£9.99
OLAIAN One-piece swimsuit HANALEI 100 - PASTEL PINK
OLAIAN 1-piece swimsuit HANALEI 100 - NEON PINK
OLAIAN One-piece swimsuit HANALEI 100 JUNE
OLAIAN 1-piece swimming suit HANALEI 100 multi colour
OLAIAN Girl's 1-piece striped swimsuit - 100 Hanalei blue pink
Gallery item 1 out of 5
OLAIAN One-piece swimsuit HANALEI 100 - PASTEL PINK
Rate: 4.6 stars, 660 votes
5 colors
£8.99
Was £12.99
ADIDAS 3-Stripes Swimsuit
ADIDAS 3-Stripes Swimsuit
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£25.00
FUNKITA Funkita Girls Sharp Edges Diamond Back Swimsuit - Multi
FUNKITA Funkita Girls Sharp Edges Diamond Back Swimsuit - Multi
Sold and shipped by theSwimmingShop
£38.45
FUNKITA Funkita Girls Help Me Rhombus Single Strap Swimsuit - Blue/Green
FUNKITA Funkita Girls Help Me Rhombus Single Strap Swimsuit - Blue/Green
Sold and shipped by theSwimmingShop
£38.45
ADIDAS adidas x Disney Minnie on Roller Skates Swimsuit
ADIDAS adidas x Disney Minnie on Roller Skates Swimsuit
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£25.00
AKRON Akron Girl's Sun Swimsuit
AKRON Akron Girl's Sun Swimsuit
Sold and shipped by ProSwimwear LTD
£23.99
ADIDAS adidas x Disney Minnie Mouse Swimsuit
ADIDAS adidas x Disney Minnie Mouse Swimsuit
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£25.00
SPEEDO Speedo Girl's Printed Pulseback Swimsuit - Soft Coral
SPEEDO Speedo Girl's Printed Pulseback Swimsuit - Soft Coral
Sold and shipped by ProSwimwear LTD
£17.99
SPEEDO SPEEDO GIRLS ESSENTIAL ENDURANCE+ MEDALIST NEON BLUE
SPEEDO SPEEDO GIRLS ESSENTIAL ENDURANCE+ MEDALIST NEON BLUE
Sold and shipped by theSwimmingShop
£17.60£24.20
ADIDAS Big Logo Swimsuit
ADIDAS Big Logo Swimsuit
Rate: 1.0 stars, 1 votes
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£18.00
ADIDAS Sportswear U-Back Swimsuit Kids
ADIDAS Sportswear U-Back Swimsuit Kids
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£25.00
AKRON Akron Girl's Zola Swimsuit - Blue
AKRON Akron Girl's Zola Swimsuit - Blue
Sold and shipped by ProSwimwear LTD
£23.99
ADIDAS Performance 3-Stripes Graphic Swimsuit Kids
ADIDAS Performance 3-Stripes Graphic Swimsuit Kids
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£25.00
AKRON Akron Girl's Element Earth Swimsuit - Green
AKRON Akron Girl's Element Earth Swimsuit - Green
Sold and shipped by ProSwimwear LTD
£23.99
ZOGGS Zoggs Girls Flashlight Rowleeback Swimsuit - Blue/Multi
ZOGGS Zoggs Girls Flashlight Rowleeback Swimsuit - Blue/Multi
Sold and shipped by theSwimmingShop
£28.60
ARENA arena Girls Sports Swimsuit Solid Swim Tech, Black-White
ARENA arena Girls Sports Swimsuit Solid Swim Tech, Black-White
Sold and shipped by ProSwimwear LTD
£19.99
ZOGGS Zoggs Girls Kerrawa Strikeback Swimsuit - Navy/Purple/Coral
ZOGGS Zoggs Girls Kerrawa Strikeback Swimsuit - Navy/Purple/Coral
Sold and shipped by theSwimmingShop
£19.80£22.00
SPEEDO Speedo Girl's Digi Placement Thinstrap Muscleback Swimsuit - Pool/ Blue Flame
SPEEDO Speedo Girl's Digi Placement Thinstrap Muscleback Swimsuit - Pool/ Blue Flame
Sold and shipped by ProSwimwear LTD
£21.99
4.4/5 based on 10650 reviews collected online and in stores

Splish, splash!

Whether you're planning a summer holiday, booking swimming lessons for your toddler or just planning some fun family splash time at the local pool, our kids' swimwear range has everything you need. From pretty swimming costumes to practical swim shorts, we stock a wide range of swimwear for boys, girls and babies of all ages.

Each item in our range is designed to fit your child perfectly, offer excellent value for money and ensure they can bob about and practice strokes in total comfort. Shop now at Decathlon.