Swimwear & Beachwear

Sun, sand and swimsuits for little ones
202 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 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 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, 109 votes
2 colors
£16.99
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, 193 votes
£54.99
Was £64.99
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, 2061 votes
2 colors
£14.99
NABAIJI Girls' long-sleeved swimsuit - UV Combiswim 100 - Pink Purple
NABAIJI Girls' long-sleeved swimsuit - UV Combiswim 100 - Pink Purple
£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
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 anti-UV sun top red
OLAIAN Kid's anti-UV sun top blue turquoise
OLAIAN Kid's anti-UV sun top yellow
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 red
Rate: 4.7 stars, 308 votes
5 colors
£8.99
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 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
NABAIJI Kloupi Girls' Swim Shorty - Purple Pink
NABAIJI Kloupi Girls' Swim Shorty - Purple Pink
Rate: 4.5 stars, 43 votes
£18.99
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
OLAIAN Boy's anti-UV long-sleeved T-shirt - 900 black
OLAIAN Boy's anti-UV long-sleeved T-shirt - 900 black
£19.99
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 long sleeve sun top petrol peony
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 4
OLAIAN Girl's long sleeve sun top petrol peony
Rate: 4.6 stars, 111 votes
4 colors
£9.99£13.99
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 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, 159 votes
2 colors
£7.99
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 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
NABAIJI Boys' Wetsuit - Shorty 100 Long-Sleeved - Two-tone Blue
NABAIJI Boys' Wetsuit - Shorty 100 Long-Sleeved - Two-tone Blue
£18.99
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 Kid's water tee shirt anti UV pink
OLAIAN Kids' Surfing UV Protection Water T-Shirt - Sky Blue
OLAIAN kids’ surfing anti-UV printed water T-Shirt - green
OLAIAN kids’ anti-UV printed surfing water T-shirt - turquoise
Gallery item 1 out of 4
OLAIAN Kid's water tee shirt anti UV pink
Rate: 4.8 stars, 870 votes
4 colors
£5.99
OLAIAN Boy's swim shorts -100 navy blue
OLAIAN Boy's swim shorts - 100 sky blue
Gallery item 1 out of 2
OLAIAN Boy's swim shorts -100 navy blue
2 colors
£5.99
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
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
OLAIAN SWIM SHORTS BOARDSHORT 900 - GREEN
OLAIAN BOARDSHORT SWIMMING SHORTS 900 BLACK
OLAIAN SWIM SHORTS BOARDSHORT 900 BLUE
Gallery item 1 out of 3
OLAIAN SWIM SHORTS BOARDSHORT 900 - GREEN
Rate: 4.3 stars, 65 votes
3 colors
£14.99£22.99
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, 220 votes
6 colors
£9.99£14.99
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
NABAIJI Boys’ long sleeve shorty 100 - blue
NABAIJI Boys’ long sleeve shorty 100 - blue
Rate: 4.6 stars, 133 votes
£15.99
OLAIAN Boy's swim shorts - 900 blue
OLAIAN Boy's swim shorts - 900 black and blue stripes
Gallery item 1 out of 2
OLAIAN Boy's swim shorts - 900 blue
2 colors
£24.99
OLAIAN Boy's surfing anti-UV short-sleeved T-shirt - 500 - blue
OLAIAN Boy's short-sleeved anti-UV T-shirt - 500 Camo black blue
Gallery item 1 out of 2
OLAIAN Boy's surfing anti-UV short-sleeved T-shirt - 500 - blue
2 colors
£12.99
OLAIAN Boy's swim shorts - 100 sign blue green
OLAIAN Boy's swim shorts - 100 banana blue
OLAIAN Boys' swim shorts -100 shadow red
OLAIAN Boy's swim shorts - 100 shadow green
OLAIAN Boy's swim shorts - 100 happysurf red
OLAIAN Boy's swim shorts - 100 Sign orange
OLAIAN Boy's swim shorts - 100 Tokyo sun turquoise
Gallery item 1 out of 7
OLAIAN Boy's swim shorts - 100 sign blue green
7 colors
£8.99
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
OLAIAN Junior Neoprene Top Surf 900 1.5 mm - black
OLAIAN Junior Neoprene Top Surf 900 1.5 mm - black
Rate: 4.4 stars, 5 votes
£27.99£39.99
OLAIAN BOY'S SWIMMING SHORTS PALMITOS BLUE
OLAIAN boy's swimming shorts - black
Gallery item 1 out of 2
OLAIAN BOY'S SWIMMING SHORTS PALMITOS BLUE
Rate: 4.6 stars, 64 votes
2 colors
£7.99£10.99
OLAIAN Boy's long-sleeved anti-UV T-shirt - 500 Vortex black
OLAIAN Boy's long-sleeved anti-UV T-shirt - 500 grey green
Gallery item 1 out of 2
OLAIAN Boy's long-sleeved anti-UV T-shirt - 500 Vortex black
2 colors
£14.99
OLAIAN 1 mm Neoprene Surfing Top with 2 mm Built-In Hood
OLAIAN 1 mm Neoprene Surfing Top with 2 mm Built-In Hood
Rate: 4.3 stars, 81 votes
£39.99
Was £44.99
4.4/5 based on 13456 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.