Swimwear & Beachwear

Sun, sand and swimsuits for little ones
101 items
NABAIJI GIRLS' 1P SWIMSUIT VEGA SHORTY BLUE
NABAIJI GIRLS' 1P SWIMSUIT VEGA SHORTY PINK
Gallery item 1 out of 2
NABAIJI GIRLS' 1P SWIMSUIT VEGA SHORTY BLUE
2 colors
£12.99
OLAIAN BOY'S SURFING WETSUIT 500 4/3 MM VORTEX BLACK
OLAIAN BOY'S SURFING WETSUIT 500 4/3 MM VORTEX BLACK
£79.99
Was £99.99
NABAIJI Shorty swimming suit - pink
NABAIJI Swimming Wetsuit Shorty Swim Navy
Gallery item 1 out of 2
NABAIJI Shorty swimming suit - pink
Rate: 4.6 stars, 106 votes
2 colors
£16.99
NABAIJI Girls' 1-piece swimsuit shorty Kamyleon black
NABAIJI Girls' 1-piece swimsuit shorty Kamyleon black
£19.99
NABAIJI Girls' long-sleeved swimsuit - UV Combiswim 100 - Pink Purple
NABAIJI Girls' long-sleeved swimsuit - UV Combiswim 100 - Pink Purple
£19.99
OLAIAN Kid's anti-UV sun top blue turquoise
OLAIAN Kid's anti-UV sun top red
OLAIAN Kid's anti-UV sun top yellow
OLAIAN Kids' UV Protection Sun Top - Coral
Gallery item 1 out of 4
OLAIAN Kid's anti-UV sun top blue turquoise
Rate: 4.7 stars, 307 votes
4 colors
£8.99
OLAIAN Kids' UV protection long sleeve T-shirt - blue
OLAIAN Kids' UV protection long sleeve T-shirt - blue
Rate: 4.7 stars, 126 votes
£6.49£9.99
SUBEA Kids anti-UV short-sleeved 1.5 mm neoprene top - turquoise
SUBEA Kids anti-UV short-sleeved 1.5 mm neoprene top - turquoise
Rate: 4.6 stars, 182 votes
£19.99
OLAIAN Boy's anti-UV long-sleeved T-shirt - 900 black
OLAIAN Boy's anti-UV long-sleeved T-shirt - 900 black
£19.99
OLAIAN Girls’ Surfing Long-sleeve Neoprene shorty suit 900 1.5 mm - Black
OLAIAN Girls’ Surfing Long-sleeve Neoprene shorty suit 900 1.5 mm - Black
Rate: 4.7 stars, 7 votes
£54.99
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 Girl's anti-UV long-sleeved T-shirt - 500 - Orchid purple
OLAIAN Girls’ anti-UV long-sleeved T-shirt - 500 Shiso black
OLAIAN Girl's anti-UV long-sleeved T-shirt - 500 Rainbow stripes turquoise
Gallery item 1 out of 3
OLAIAN Girl's anti-UV long-sleeved T-shirt - 500 - Orchid purple
Rate: 4.6 stars, 111 votes
3 colors
£14.99
OLAIAN GIRL'S SURFING WETSUIT 500 4/3 MM BLACK RED
OLAIAN GIRL'S SURFING WETSUIT 500 4/3 MM BLACK RED
Rate: 5.0 stars, 1 votes
£79.99
Was £99.99
OLAIAN GIRL'S SURFING 1.5 MM NEOPRENE SHORTY WETSUIT 500 TIARE BLACK
OLAIAN GIRL'S SURFING 1.5 MM NEOPRENE SHORTY WETSUIT 500 TIARE BLACK
Rate: 4.8 stars, 5 votes
£39.99
SUBEA Kids top anti-UV long-sleeved 1.5 mm neoprene blue
SUBEA Kids top anti-UV long-sleeved 1.5 mm neoprene blue
Rate: 4.5 stars, 23 votes
£24.99
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
OLAIAN SWIM SHORTS 100 KATY BLACK
OLAIAN SWIMMING SHORTS 100 KATY PINK
OLAIAN SWIMMING SHORTS 100 KATY COCO
OLAIAN Girl's swim shorts - 100 Katy shiso black
OLAIAN Girl's swim shorts - 100 Katy rainbow stripes turquoise
OLAIAN girls swimming shorts KATY khaki
Gallery item 1 out of 6
OLAIAN SWIM SHORTS 100 KATY BLACK
Rate: 4.7 stars, 223 votes
6 colors
£6.99£12.99
OLAIAN Kid's Surfing Anti-UV Long-sleeved Water T-shirt
OLAIAN kid's surfing UV protection long-sleeved water t-shirt blue
Gallery item 1 out of 2
OLAIAN Kid's Surfing Anti-UV Long-sleeved Water T-shirt
Rate: 4.7 stars, 158 votes
2 colors
£7.99
OLAIAN BOY'S SURFING 1.5 MM NEOPRENE SHORTY WETSUIT 500 BLUE BLACK
OLAIAN BOY'S SURFING 1.5 MM NEOPRENE SHORTY WETSUIT 500 BLUE BLACK
Rate: 4.5 stars, 12 votes
£34.99
NABAIJI Girl's One-Piece Swimsuit Kamiye Dino Print
NABAIJI Girls' One-Piece Swimsuit Kamyleon Print - Fire black/yellow
NABAIJI Girls' one-piece swimsuit Kamiye Print - Alg Blue/Pink
Gallery item 1 out of 3
NABAIJI Girl's One-Piece Swimsuit Kamiye Dino Print
Rate: 4.7 stars, 789 votes
3 colors
£11.99£15.99
OLAIAN Boys' Long-sleeved NEO Sun Top block neon orange
OLAIAN Boy's NEO sun top long sleeve black khaki
Gallery item 1 out of 2
OLAIAN Boys' Long-sleeved NEO Sun Top block neon orange
Rate: 4.7 stars, 40 votes
2 colors
£11.99£17.99
OLAIAN Kid’s Surfing Neoprene Shorty 900 1.5 mm - Black Red
OLAIAN Kid’s Surfing Neoprene Shorty 900 1.5 mm - Black Red
Rate: 2.9 stars, 9 votes
£59.99
OLAIAN Boy's swim shorts - 100 sky blue
OLAIAN Boy's swim shorts -100 navy blue
Gallery item 1 out of 2
OLAIAN Boy's swim shorts - 100 sky blue
2 colors
£5.99
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 Boys' Wetsuit - Shorty 100 Long-Sleeved - Two-tone Blue
NABAIJI Boys' Wetsuit - Shorty 100 Long-Sleeved - Two-tone Blue
£18.99
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
OLAIAN Boy's swim shorts - 900 black and blue stripes
OLAIAN Boy's swim shorts - 900 blue
Gallery item 1 out of 2
OLAIAN Boy's swim shorts - 900 black and blue stripes
2 colors
£24.99
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, 281 votes
2 colors
£10.99
OLAIAN GIRL'S LANA TEXTURED SWIMSUIT CROP TOP 500 STRAWBERRY
OLAIAN GIRL'S SWIMSUIT CROP TOP LANA TEXTURE 500 MELON
OLAIAN GIRL'S LANA TEXTURED SWIMSUIT CROP TOP 500 LAVENDER
OLAIAN Girl's textured swimsuit crop top - 500 Lana black
Gallery item 1 out of 4
OLAIAN GIRL'S LANA TEXTURED SWIMSUIT CROP TOP 500 STRAWBERRY
Rate: 4.1 stars, 56 votes
4 colors
£6.99£12.99
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, 1090 votes
2 colors
£4.99
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' 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
OLAIAN Kids' Steamer Full Wetsuit 100 4/3
OLAIAN Kids' Steamer Full Wetsuit 100 4/3
Rate: 3.8 stars, 4 votes
£54.99
OLAIAN swim shorts 550 - blue
OLAIAN swim shorts 550 - purple
OLAIAN swim shorts 550 black green
OLAIAN Boy's swim shorts - 550 Softgeo blue
OLAIAN Boy's swim shorts - 550 Canopy orange
OLAIAN Swim shorts 550 offshore green
Gallery item 1 out of 6
OLAIAN swim shorts 550 - blue
Rate: 4.6 stars, 219 votes
6 colors
£9.99£14.99
TRIBORD Kid's 2 mm overknee NEOPRENE WETSUIT
TRIBORD Kid's 2 mm overknee NEOPRENE WETSUIT
Rate: 4.5 stars, 8 votes
£39.99£59.99
NABAIJI Lila Navy 100 Girls Swimming One-Piece Swimsuit/Skirt - Lily navy
NABAIJI Lila Ama 100 Girls Swimming One-Piece Swimsuit/Skirt - White
NABAIJI Lila All Omi 100 Girls Swimming One-Piece Swimsuit/Skirt - Navy
Gallery item 1 out of 3
NABAIJI Lila Navy 100 Girls Swimming One-Piece Swimsuit/Skirt - Lily navy
Rate: 4.7 stars, 573 votes
3 colors
£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 GIRLS' 1-PIECE SWIMSUIT KAMYLEON BLACK
NABAIJI GIRLS' 1-PIECE SWIMSUIT KAMYLEON BLACK
£17.99
OLAIAN Girl's anti-UV short-sleeved T-shirt - 500 Palm white
OLAIAN Girl's anti-UV short-sleeved T-shirt - 500 Palm white
Rate: 4.7 stars, 122 votes
£12.99
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 MELON
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 STRAWBERRY
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 LAVENDER
OLAIAN Girl's textured swimsuit bottom - 500 bao black
Gallery item 1 out of 4
OLAIAN GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 MELON
Rate: 4.6 stars, 48 votes
4 colors
£7.99£12.99
4.5/5 based on 19191 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.