Swimwear & Beachwear

Sun, sand and swimsuits for little ones
543 items
OLAIAN Kids' short sleeve fleece T-shirt - Blue
OLAIAN Kids' short sleeve fleece T-shirt - Blue
Rate: 4.3 stars, 279 votes
£12.99
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
OLAIAN Kids' full wetsuit 100 2/2 - Navy
OLAIAN Kids' full wetsuit 100 2/2 - Navy
Rate: 4.1 stars, 212 votes
£39.99
OLAIAN Kids' Steamer Full Wetsuit 100 4/3
OLAIAN Kids' Steamer Full Wetsuit 100 4/3
Rate: 4.3 stars, 195 votes
£54.99
Was £64.99
NABAIJI Girls' 1-piece swimsuit shorty Kamyleon black
NABAIJI Girls' 1-piece swimsuit shorty Kamyleon black
£19.99
NABAIJI Boys' Swimming Suit - Shorty 100 Kloupi - Blue Red
NABAIJI Boys' Swimming Suit - Shorty 100 Kloupi - Blue Red
Rate: 4.6 stars, 277 votes
£18.99
NABAIJI Girls' long-sleeved swimsuit - UV Combiswim 100 - Pink Purple
NABAIJI Girls' long-sleeved swimsuit - UV Combiswim 100 - Pink Purple
£19.99
OLAIAN 100 Surf Shorty kids' Wetsuit 1.5mm neoprene - Purple/Pink
OLAIAN 100 kid's 1.5mm neoprene blue Shorty Surfing wetsuit
Gallery item 1 out of 2
OLAIAN 100 Surf Shorty kids' Wetsuit 1.5mm neoprene - Purple/Pink
Rate: 4.5 stars, 2064 votes
2 colors
£14.99
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, 111 votes
2 colors
£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, 561 votes
4 colors
£14.99£19.99
SPEEDO Girls’ One-Piece Swimsuit SPEEDO SPLASHBACK Black stars
SPEEDO Girls’ One-Piece Swimsuit SPEEDO SPLASHBACK Black stars
Rate: 4.7 stars, 49 votes
£16.99
OLAIAN Kids' UV protection long sleeve T-shirt - blue
OLAIAN Kids' UV protection long sleeve T-shirt - blue
Rate: 4.7 stars, 127 votes
£6.49£9.99
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, 2 votes
£79.99
Was £99.99
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 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 Boy's Swimsuit 100 Long Sleeves & Long Legs BANA - Green UV
NABAIJI Boy's Swimsuit 100 Long Sleeves & Long Legs BANA - Green UV
£19.99
OLAIAN Girl's anti-UV long-sleeved T-shirt - 500 - Orchid purple
OLAIAN Girl's anti-UV long-sleeved T-shirt - 500 Rainbow stripes turquoise
OLAIAN Girls’ anti-UV long-sleeved T-shirt - 500 Shiso black
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 Kid's anti-UV sun top yellow
OLAIAN Kid's anti-UV sun top red
OLAIAN Kid's anti-UV sun top blue turquoise
OLAIAN Kid’s Anti-UV Sun Top black
OLAIAN Kids' UV Protection Sun Top - Coral
Gallery item 1 out of 5
OLAIAN Kid's anti-UV sun top yellow
Rate: 4.7 stars, 308 votes
5 colors
£8.99
NABAIJI Kloupi Girls' Swim Shorty - Purple Pink
NABAIJI Kloupi Girls' Swim Shorty - Purple Pink
Rate: 4.5 stars, 43 votes
£18.99
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
NABAIJI Baby Anti-UV Long-sleeved T-shirt SAVANNAH print
NABAIJI Baby Anti-UV Long-sleeved T-shirt Van print
NABAIJI Baby Anti-UV Long-sleeved T-shirt Pantai print
NABAIJI Baby Anti-UV Long-sleeved T-shirt Rainbow print
NABAIJI Baby Anti-UV Long-sleeved T-shirt flower print
Gallery item 1 out of 5
NABAIJI Baby Anti-UV Long-sleeved T-shirt SAVANNAH print
Rate: 4.8 stars, 746 votes
5 colors
£9.99
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, 284 votes
2 colors
£10.99
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, 225 votes
6 colors
£6.99£12.99
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
TRIBORD Dinghy 500 Kids' Sailing GBS 3/2 mm Neoprene Wetsuit - Blue/Orange
TRIBORD Dinghy 500 Kids' Sailing GBS 3/2 mm Neoprene Wetsuit - Blue/Orange
Rate: 4.4 stars, 174 votes
£49.99£59.99
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
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
OLAIAN kids’ surfing anti-UV long-sleeved printed water T-shirt - blue
OLAIAN kids’ surfing anti-UV long-sleeved printed water T-shirt - pink
OLAIAN water t-shirt anti UV surf long sleeve white
Gallery item 1 out of 3
OLAIAN kids’ surfing anti-UV long-sleeved printed water T-shirt - blue
Rate: 4.8 stars, 346 votes
3 colors
£9.99
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, 162 votes
2 colors
£7.99
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, 798 votes
3 colors
£11.99£15.99
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 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, 578 votes
3 colors
£17.99
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 One-piece long-sleeved swimsuit Storm blue
OLAIAN One-piece long-sleeved swimsuit turquoise
Gallery item 1 out of 2
OLAIAN One-piece long-sleeved swimsuit Storm blue
Rate: 4.7 stars, 74 votes
2 colors
£19.99
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
NABAIJI GIRLS' 1-PIECE SWIMSUIT KAMYLEON BLACK
NABAIJI GIRLS' 1-PIECE SWIMSUIT KAMYLEON BLACK
£17.99
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, 1103 votes
2 colors
£3.99
Was £4.99
NABAIJI Baby Short-Sleeved Anti-UV T-shirt - Blue
NABAIJI Baby UV-protection Short Sleeve T-Shirt - Pink
NABAIJI Baby Short-Sleeved Anti-UV T-shirt Light Blue
NABAIJI Baby UV-protection short sleeve T-shirt - Coral
NABAIJI Baby UV-Protection Short Sleeve T-Shirt - Light Green
Gallery item 1 out of 5
NABAIJI Baby Short-Sleeved Anti-UV T-shirt - Blue
Rate: 4.8 stars, 370 votes
5 colors
£5.99£7.99
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, 18 votes
2 colors
£19.99
4.5/5 based on 38221 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.