Swimwear & Beachwear

Sun, sand and swimsuits for little ones
135 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 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, 105 votes
2 colors
£16.99
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, 2055 votes
2 colors
£14.99
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 red
OLAIAN Kid's anti-UV sun top yellow
OLAIAN Kid's anti-UV sun top blue turquoise
OLAIAN Kids' UV Protection Sun Top - Coral
Gallery item 1 out of 4
OLAIAN Kid's anti-UV sun top red
Rate: 4.7 stars, 305 votes
4 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
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
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NABAIJI Girl's One-Piece Swimsuit Lexa Celo pink orange
Rate: 4.7 stars, 559 votes
4 colors
£14.99£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, 157 votes
2 colors
£7.99
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 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, 789 votes
3 colors
£11.99£15.99
NABAIJI Baby Anti-UV Long-sleeved T-shirt SAVANNAH 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 Van 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, 740 votes
5 colors
£9.99
OLAIAN Kids' Surfing UV Protection Water T-Shirt - Sky Blue
OLAIAN Kid's water tee shirt anti UV pink
OLAIAN kids’ anti-UV printed surfing water T-shirt - turquoise
OLAIAN kids’ surfing anti-UV printed water T-Shirt - green
Gallery item 1 out of 4
OLAIAN Kids' Surfing UV Protection Water T-Shirt - Sky Blue
Rate: 4.8 stars, 865 votes
4 colors
£5.99
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: 4.6 stars, 129 votes
5 colors
£9.99£16.99
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
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
OLAIAN GIRL'S Swimsuit bottom JUNE CORAL
OLAIAN LITTLE GIRL'S Swimsuit bottoms MADI 100 - PINK
OLAIAN LITTLE GIRL'S Swimsuit bottoms MADI 100 - PINK
Gallery item 1 out of 3
OLAIAN GIRL'S Swimsuit bottom JUNE CORAL
Rate: 4.3 stars, 268 votes
3 colors
£10.99
Was £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, 1085 votes
2 colors
£4.99
NABAIJI KAMYIE + 500 Girls' one-piece swimsuit - Blue
NABAIJI KAMYIE + 500 Girls' one-piece swimsuit - Pink
Gallery item 1 out of 2
NABAIJI KAMYIE + 500 Girls' one-piece swimsuit - Blue
Rate: 4.6 stars, 281 votes
2 colors
£10.99
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, 571 votes
3 colors
£17.99
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, 984 votes
7 colors
£6.49£9.99
OLAIAN 2-piece swimsuit TAMARA 100 black
OLAIAN 2-piece swimsuit TAMARA 100 - coral
Gallery item 1 out of 2
OLAIAN 2-piece swimsuit TAMARA 100 black
Rate: 4.6 stars, 406 votes
2 colors
£4.99£6.99
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 500 FUCHSIA
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 500 PURPLE
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OLAIAN GIRL'S ONE-PIECE SWIMSUIT 500 FUCHSIA
Rate: 4.7 stars, 39 votes
2 colors
£9.99£15.99
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, 367 votes
5 colors
£5.99£7.99
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
OLAIAN GIRL'S SURFING TRIANGLE LILY SWIMSUIT TOP 900 BLUR PINK
OLAIAN GIRL'S SURFING LILY SWIMSUIT TRIANGLE TOP 900 BLACK
OLAIAN Girl's swimsuit top - 900 Lily purple turquoise
Gallery item 1 out of 3
OLAIAN GIRL'S SURFING TRIANGLE LILY SWIMSUIT TOP 900 BLUR PINK
Rate: 4.8 stars, 19 votes
3 colors
£9.99£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 Baby Short-Sleeved Anti-UV T-shirt - with Flower Print
NABAIJI Baby Short-Sleeved Anti-UV T-shirt - with Flower Print
Rate: 4.8 stars, 41 votes
£9.99
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
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, 253 votes
4 colors
£4.99£8.99
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 swimsuit halterneck top - 100 Tami palm purple
OLAIAN Girl's scarf swimsuit top - 100 Tami tropical party pink
Gallery item 1 out of 7
OLAIAN Girl's scarf swimsuit top 100 coral
Rate: 4.6 stars, 193 votes
7 colors
£3.99£7.99
NABAIJI VEGA 100 Girl's One-Piece Swimsuit - Pink
NABAIJI VEGA 100 Girl's One-Piece Swimsuit - Pink
Rate: 4.6 stars, 611 votes
£9.99
OLAIAN Girl's bra swimsuit top 100 coral
OLAIAN GIRL'S SWIMSUIT CROP TOP 100 COCO TURQUOISE
OLAIAN GIRLS’ SWIMSUIT CROP TOP 100 PINK
OLAIAN GIRLS’ SWIMSUIT CROP TOP 100 BLACK
Gallery item 1 out of 4
OLAIAN Girl's bra swimsuit top 100 coral
Rate: 4.5 stars, 129 votes
4 colors
£3.99£6.99
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 One-piece swimsuit HANALEI 100 - PASTEL PINK
OLAIAN One-piece swimsuit HANALEI 100 JUNE
OLAIAN 1-piece swimming suit HANALEI 100 multi colour
OLAIAN 1-piece swimsuit HANALEI 100 - NEON PINK
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, 656 votes
5 colors
£8.99
Was £12.99
OLAIAN ZELI girls' swimsuit bottoms 100 coral
OLAIAN GIRL'S SWIMSUIT BOTTOMS ZELI 100 BLACK
OLAIAN GIRL'S ZELI SWIMSUIT BOTTOMS 100 PINK
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
NABAIJI Wetsuit for Swimming combi swim coral
NABAIJI Wetsuit for Swimming combi swim coral
Rate: 4.5 stars, 320 votes
£14.99£18.99
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
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
4.5/5 based on 20982 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.