Swimwear & Beachwear

Sun, sand and swimsuits for little ones
541 items
OLAIAN Girl's scarf swimsuit top 100 coral
OLAIAN GIRL'S SCARF SWIMSUIT TOP 100 PINK
OLAIAN GIRLS’ SWIMSUIT TOP WITH COLLAR 100 - BLACK
OLAIAN Girl's scarf swimsuit top - 100 Tami coral
OLAIAN GIRL'S HALTER NECK SWIMSUIT 100 COCO TURQUOISE
OLAIAN Girl's scarf swimsuit top - 100 Tami tropical party pink
OLAIAN Girl's swimsuit halterneck top - 100 Tami palm purple
Gallery item 1 out of 7
OLAIAN Girl's scarf swimsuit top 100 coral
7 colors
£3.99£7.99
NABAIJI Girls’ Swimming Swimsuit Bottoms Lila - White
NABAIJI Girls' Swimming Swimsuit Bottoms Lila Marg Red
NABAIJI Girls’ Swimming Swimsuit Bottoms Lila - Blue
NABAIJI Girls’ Swimsuit Bottoms Lila Pantai - White
Gallery item 1 out of 4
NABAIJI Girls’ Swimming Swimsuit Bottoms Lila - White
Rate: 4.7 stars, 267 votes
4 colors
£4.99£7.99
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 BLUR
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 BLUE
OLAIAN Girl's swimsuit bottoms - 500 Bao rainbow stripes turquoise
Gallery item 1 out of 3
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 BLUR
Rate: 4.6 stars, 26 votes
3 colors
£7.99£12.99
OLAIAN ZELI girls' swimsuit bottoms 100 coral
OLAIAN GIRL'S ZELI SWIMSUIT BOTTOMS 100 PINK
OLAIAN GIRL'S SWIMSUIT BOTTOMS ZELI 100 BLACK
OLAIAN Girls' swimsuit bottoms - 100 Zeli coral
OLAIAN Girl's swimsuit bottoms - 100 Zeli tropical party pink
OLAIAN GIRL'S ZELI SWIMSUIT BOTTOMS 100 COCO TURQUOISE
OLAIAN Girl's swimsuit bottoms - 100 Zeli palm violet
Gallery item 1 out of 7
OLAIAN ZELI girls' swimsuit bottoms 100 coral
Rate: 4.6 stars, 276 votes
7 colors
£3.99£6.99
SUBEA Kids' shorty 2 mm neoprene - navy blue
SUBEA Kids' shorty 2 mm neoprene - navy blue
Rate: 4.4 stars, 554 votes
£24.99
OLAIAN GIRL'S SURF Swimsuit bottoms TIARE MAS 900
OLAIAN GIRL'S SURF Swimsuit bottoms MAS 900 - BLACK
Gallery item 1 out of 2
OLAIAN GIRL'S SURF Swimsuit bottoms TIARE MAS 900
Rate: 4.6 stars, 432 votes
2 colors
£10.99
OLAIAN Black adventure swim shorts
OLAIAN Swimming Trunks blue yellow
OLAIAN SWIM SHORTS - KHAKI
OLAIAN Swim shorts - sunset
OLAIAN Swim Shorts - Bamboo Navy Blue
OLAIAN Swimming trunks sky blue navy blue
OLAIAN Boy's swim shorts - 100 surfcanvas green
OLAIAN Swim Shorts - Khaki
Gallery item 1 out of 8
OLAIAN Black adventure swim shorts
Rate: 4.7 stars, 628 votes
8 colors
£6.49£11.99
NABAIJI Girl’s swimming bikini top Kamyleon Dino
NABAIJI Girl’s swimming bikini top Kamyleon Spor
NABAIJI Girls' Swimming Swimsuit Top Kamyleon - Sea Black
NABAIJI Girls' Swimming Swimsuit Top Kamyleon - Wave blue
Gallery item 1 out of 4
NABAIJI Girl’s swimming bikini top Kamyleon Dino
Rate: 4.6 stars, 255 votes
4 colors
£4.99£8.99
OLAIAN Swim Shorts - sky blue
OLAIAN Swim Shorts - navy blue
OLAIAN Swim Shorts - Turquoise blue
Gallery item 1 out of 3
OLAIAN Swim Shorts - sky blue
Rate: 4.7 stars, 1229 votes
3 colors
£3.19£4.99
NABAIJI VEGA Shorty 100 Girl's Swimsuit - Turquoise Blue
NABAIJI VEGA Shorty 100 Girl's Swimsuit - Turquoise Blue
Rate: 4.6 stars, 700 votes
£8.99£10.99
NABAIJI Boys’ Long Swimming Trunks 100 All Chin Black
NABAIJI Boy's Swim Shorts - 100 Long - Pool Navy Blue / Ochre
NABAIJI Boys’ Swimming Shorts 100 Long - All-over Palm Blue
NABAIJI Boys’ Long Swimming Trunks 100 Palmi Black
NABAIJI Boys' long swimming swim shorts 100 - tex blue
NABAIJI Boys’ Swimming Shorts - 100 Long - KMO Yellow
Gallery item 1 out of 6
NABAIJI Boys’ Long Swimming Trunks 100 All Chin Black
Rate: 4.7 stars, 374 votes
6 colors
£9.99£12.99
NABAIJI Wetsuit for Swimming combi swim coral
NABAIJI Wetsuit for Swimming combi swim coral
Rate: 4.5 stars, 322 votes
£14.99£18.99
SUBEA Kids shorty 2 mm neoprene turquoise
SUBEA Kids shorty 2 mm neoprene turquoise
Rate: 4.5 stars, 504 votes
£24.99
OLAIAN Kids' Full Wetsuit 4/3 mm 900
OLAIAN Kids' Full Wetsuit 4/3 mm 900
Rate: 4.5 stars, 29 votes
£139.99
NABAIJI Girls' Swimsuit Bottoms Kamyleon Dino
NABAIJI Girl’s swimming bikini bottoms Kamyleon Alg blue
NABAIJI Girls' Swimsuit Bottoms Kamyleon Spor
NABAIJI Girls' Swimming Bottoms Top Kamyleon - Sea Black
Gallery item 1 out of 4
NABAIJI Girls' Swimsuit Bottoms Kamyleon Dino
Rate: 4.6 stars, 252 votes
4 colors
£4.99£8.99
OLAIAN swim shorts/boardshort 900 black green
OLAIAN swim shorts/boardshort 900 black green
Rate: 4.3 stars, 50 votes
£19.99
SUBEA Kids shorts 1.5 mm neoprene blue
SUBEA Kids shorts 1.5 mm neoprene blue
Rate: 4.6 stars, 28 votes
£9.99£12.99
OLAIAN GIRL'S SURF SWIMSUIT TOP CORAL STRIPED 500
OLAIAN GIRL'S SURF SWIMSUIT TOP BONDI 500 BLUE
OLAIAN GIRL'S SURF SWIMSUIT TRIANGLE TOP BONDI 500 GREEN
Gallery item 1 out of 3
OLAIAN GIRL'S SURF SWIMSUIT TOP CORAL STRIPED 500
Rate: 4.4 stars, 516 votes
3 colors
£3.99£9.99
OLAIAN GIRL'S SURF SWIMSUIT CROP TOP BAHA 900 - BLACK
OLAIAN GIRL'S SURF SWIMSUIT CROP TOP BAHA 900 - GREEN
Gallery item 1 out of 2
OLAIAN GIRL'S SURF SWIMSUIT CROP TOP BAHA 900 - BLACK
Rate: 4.6 stars, 546 votes
2 colors
£7.99£14.99
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 BLACK
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 CORAL
OLAIAN GIRL'S MIXLIFE ONE-PIECE SWIMSUIT 100 YELLOW
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 DAISIES AZURE BLUE
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, 988 votes
7 colors
£6.49£9.99
OLAIAN MAEVA 500 SURF GIRL'S SWIMSUIT BRIEFS BLUE
OLAIAN GIRL'S SURF SWIMSUIT BOTTOM CORAL STRIPED BLACK
Gallery item 1 out of 2
OLAIAN MAEVA 500 SURF GIRL'S SWIMSUIT BRIEFS BLUE
Rate: 4.4 stars, 382 votes
2 colors
£3.99£5.99
ADIDAS 3-Stripes Swimsuit
ADIDAS 3-Stripes Swimsuit
Rate: 5.0 stars, 1 votes
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£25.00
ADIDAS Classic Badge of Sport Swim Shorts
ADIDAS Classic Badge of Sport Swim Shorts
ADIDAS Classic Badge of Sport Swim Shorts
ADIDAS Classic Badge of Sport Swim Shorts
Gallery item 1 out of 4
ADIDAS Classic Badge of Sport Swim Shorts
Rate: 5.0 stars, 1 votes
4 colors
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£18.00
MYSTIC Kids Star 3/2mm Back Zip Shorty Wetsuit
MYSTIC Kids Star 3/2mm Back Zip Shorty Wetsuit
Sold and shipped by WSO
£49.95
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
FUNKY TRUNKS Funky Trunks Boys Broken Hearts Sidewinder Swim Trunks - Blue
FUNKY TRUNKS Funky Trunks Boys Broken Hearts Sidewinder Swim Trunks - Blue
Sold and shipped by theSwimmingShop
£21.95
HUUB Aegis X Wetsuit - Men's
HUUB Aegis X Wetsuit - Men's
Gallery item 1 out of 2
HUUB Aegis X Wetsuit - Men's
2 colors
Sold and shipped by ProSwimwear LTD
£329.99
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 Logo CLX Swim Shorts
ADIDAS Logo CLX Swim Shorts
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£23.00
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
4.4/5 based on 36431 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.