Swimwear & Beachwear

Sun, sand and swimsuits for little ones
544 items
OLAIAN GIRL'S SWIMSUIT TOP SURF TRIANGLE BETTY 500 TURQUOISE PINK
OLAIAN BETTY 500 SURF GIRL'S SWIMSUIT TOP AND TRIANGLE TURQUOISE
OLAIAN GIRL'S SURF SWIMSUIT TRIANGLE TOP BETTY 500 BLUE
Gallery item 1 out of 3
OLAIAN GIRL'S SWIMSUIT TOP SURF TRIANGLE BETTY 500 TURQUOISE PINK
Rate: 4.6 stars, 405 votes
3 colors
£4.99£9.99
OLAIAN GIRL'S TANIA SWIMSUIT BOTTOMS 100 YELLOW
OLAIAN GIRL'S TANIA SWIMSUIT BOTTOMS 100 YELLOW
OLAIAN TANIA girl's swimsuit bottoms 100 white
Gallery item 1 out of 3
OLAIAN GIRL'S TANIA SWIMSUIT BOTTOMS 100 YELLOW
Rate: 4.6 stars, 190 votes
3 colors
£3.99£6.99
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, 1225 votes
3 colors
£3.19£4.99
OLAIAN swim shorts 500 - beige
OLAIAN swim shorts 500 black pink
OLAIAN SWIMMING WAVYWAVE SHORTS 500 BLUE
OLAIAN SWIM SHORTS 500 BLACK GREEN
OLAIAN swim shorts 500 multicoloured
OLAIAN SWIM SHORTS 500 KHAKI
OLAIAN SWIMMING SHORTS 500 - BLUE/BLACK
OLAIAN SWIMMING SHORTS 500 - BLUE/CAMO
OLAIAN Boy's swim shorts - 500 zebra red purple
OLAIAN Boys' swim shorts - 500 Palmsand black
OLAIAN Boy's swim shorts - 500 brush lines blue
OLAIAN Boy's swim shorts - 500 Memphis green
OLAIAN SWIM SHORTS 500 ORANGE
OLAIAN SWIM SHORTS 500 BLUE RED
OLAIAN SWIM SHORTS 500 DARK BLUE
Gallery item 1 out of 15
OLAIAN swim shorts 500 - beige
Rate: 4.5 stars, 383 votes
15 colors
£7.99£15.99
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
OLAIAN swimming shorts 100 - yellow
OLAIAN swim shorts 100 - Turquoise
OLAIAN swimming shorts 100 - red
OLAIAN Kids’ swim shorts 100 - Green
OLAIAN Kids’ swim shorts 100 - striped turquoise
OLAIAN Kids’ swim shorts 100 - Blue/Red
Gallery item 1 out of 6
OLAIAN swimming shorts 100 - yellow
Rate: 4.7 stars, 672 votes
6 colors
£4.99£7.99
OLAIAN Black adventure swim shorts
OLAIAN Swimming Trunks blue yellow
OLAIAN SWIM SHORTS - KHAKI
OLAIAN Swim Shorts - Bamboo Navy Blue
OLAIAN Swimming trunks sky blue navy blue
OLAIAN Swim shorts - sunset
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, 627 votes
8 colors
£6.49£11.99
OLAIAN Girl's bra swimsuit top 100 coral
OLAIAN GIRL'S SWIMSUIT CROP TOP 100 COCO TURQUOISE
OLAIAN GIRLS’ SWIMSUIT CROP TOP 100 BLACK
OLAIAN GIRLS’ SWIMSUIT CROP TOP 100 PINK
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
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, 254 votes
4 colors
£4.99£8.99
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, 660 votes
5 colors
£8.99
Was £12.99
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 GIRL'S ONE-PIECE SWIMSUIT 100 BLACK
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 CORAL
OLAIAN GIRL'S ONE-PIECE SWIMSUIT 100 DAISIES AZURE BLUE
OLAIAN GIRL'S MIXLIFE ONE-PIECE SWIMSUIT 100 YELLOW
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, 986 votes
7 colors
£6.49£9.99
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 - navy blue
SUBEA Kids' shorty 2 mm neoprene - navy blue
Rate: 4.4 stars, 553 votes
£24.99
OLAIAN swim shorts/boardshort 900 black green
OLAIAN swim shorts/boardshort 900 black green
Rate: 4.3 stars, 50 votes
£19.99
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
OLAIAN Girl's textured swimsuit bra top - 500 Lana orchid purple
OLAIAN Girl's textured swimsuit crop top - 500 Lana chequered black
Gallery item 1 out of 2
OLAIAN Girl's textured swimsuit bra top - 500 Lana orchid purple
2 colors
£10.99
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, 545 votes
2 colors
£7.99£14.99
ADIDAS 3-Stripes Swimsuit
ADIDAS 3-Stripes Swimsuit
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
ARENA arena Girls Sports Swimsuit Solid Swim Tech, Black-White
ARENA arena Girls Sports Swimsuit Solid Swim Tech, Black-White
Sold and shipped by ProSwimwear LTD
£19.99
OSPREY ACTION SPORTS Osprey Origin 3/2mm Kids Shorty Wetsuit Neon Pink
OSPREY ACTION SPORTS Osprey Origin 3/2mm Kids Shorty Wetsuit Neon Pink
Rate: 4.0 stars, 1 votes
Sold and shipped by Board Masters
£24.99£39.99
4.4/5 based on 37073 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.