Kids' Swimwear & Beachwear

Girl's Swimwear & Beachwear
Boy's Swimwear & Beachwear
Kid's Rash Vests
91 Products
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By color
  • BLUE
  • BLACK
  • PINK
  • GREEN
  • MULTI-COLOUR
  • ORANGE
  • PURPLE
  • YELLOW
  • WHITE
  • RED
  • GREY
  • COLORLESS
  • BROWN
  1. PRICE DROP Girls’ Basic 1-piece Swimsuit purple
    €4.00
    NABAIJI

    Girls’ Basic 1-piece Swimsuit purple
  2. GIRLS' 1P SWIMSUIT VEGA SHORTY BLUE
    €14.00
    NABAIJI

    GIRLS' 1P SWIMSUIT VEGA SHORTY BLUE
  3. Girls' One-Piece Swimsuit Kamyleon Print - Fire black/yellow
    €18.00
    NABAIJI

    Girls' One-Piece Swimsuit Kamyleon Print - Fire black/yellow
  4. Girls One-Piece Swimsuit Kamyli all gradi blue
    €21.00
    NABAIJI

    Girls One-Piece Swimsuit Kamyli all gradi blue
  5. Boys’ Swimming Jammer Fitib Black / Neon yellow
    €18.00
    NABAIJI

    Boys’ Swimming Jammer Fitib Black / Neon yellow
  6. Boys' swimming trunks boxer 100 plus - black
    €8.00
    NABAIJI

    Boys' swimming trunks boxer 100 plus - black
  7. VEGA 100 Girl's One-Piece Swimsuit - Pink
    €9.00
    NABAIJI

    VEGA 100 Girl's One-Piece Swimsuit - Pink
  8. BOYS' SWIMMING BOXER BASIC 100 - BLUE
    €3.00
    NABAIJI

    BOYS' SWIMMING BOXER BASIC 100 - BLUE
  9. Girls’ anti-UV long-sleeved T-shirt - 500 Shiso black
    €15.00
    OLAIAN

    Girls’ anti-UV long-sleeved T-shirt - 500 Shiso black
  10. Kids' Surfing UV Protection Water T-Shirt - Sky Blue
    €6.00
    OLAIAN

    Kids' Surfing UV Protection Water T-Shirt - Sky Blue
  11. Kid’s Anti-UV Sun Top black
    €8.00
    OLAIAN

    Kid’s Anti-UV Sun Top black
  12. Lila 100 Girl's Swimsuit - Marg Lilac
    €13.00
    NABAIJI

    Lila 100 Girl's Swimsuit - Marg Lilac
  13. Lexa 900 Girl's Swimsuit - Blue / Lime
    €22.50
    NABAIJI

    Lexa 900 Girl's Swimsuit - Blue / Lime
  14. KAMYIE + 500 Girls' one-piece swimsuit - Blue
    €12.00
    NABAIJI

    KAMYIE + 500 Girls' one-piece swimsuit - Blue
  15. Lila Ama 100 Girls Swimming One-Piece Swimsuit/Skirt - White
    €19.50
    NABAIJI

    Lila Ama 100 Girls Swimming One-Piece Swimsuit/Skirt - White
  16. BASIC 100 BOY'S SWIMMING SHORTS - LIGHT BLUE
    €8.00
    NABAIJI

    BASIC 100 BOY'S SWIMMING SHORTS - LIGHT BLUE
  17. Boy's surfing anti-UV short-sleeved T-shirt - 500 - blue
    €13.00
    OLAIAN

    Boy's surfing anti-UV short-sleeved T-shirt - 500 - blue
  18. Boys’ Swimming Trunks Fitib Black / Neon Yellow
    €12.00
    NABAIJI

    Boys’ Swimming Trunks Fitib Black / Neon Yellow
  19. Boys’ Swimming Shorts 100 Long - All-over Palm Blue
    €15.00
    NABAIJI

    Boys’ Swimming Shorts 100 Long - All-over Palm Blue
  20. SWIM SHORTS 100 KATY BLACK
    €12.00
    OLAIAN

    SWIM SHORTS 100 KATY BLACK
  21. Girl's 2-piece swimsuit - 100 Tania tropical purple blue
    €9.00
    OLAIAN

    Girl's 2-piece swimsuit - 100 Tania tropical purple blue
  22. One-piece long-sleeved swimsuit Storm blue
    €18.00
    OLAIAN

    One-piece long-sleeved swimsuit Storm blue
  23. KAMYLEON 500 Girl's Swimsuit - Star Black / Yellow
    €19.50
    NABAIJI

    KAMYLEON 500 Girl's Swimsuit - Star Black / Yellow
  24. GIRLS' 1-PIECE SWIMSUIT LILA PANTAI WHITE
    €16.50
    NABAIJI

    GIRLS' 1-PIECE SWIMSUIT LILA PANTAI WHITE
  25. Kids’ swim shorts 100 - striped turquoise
    €8.00
    OLAIAN

    Kids’ swim shorts 100 - striped turquoise
  26. Kid’s Anti-UV Long-sleeved Sun Top blue
    €11.00
    OLAIAN

    Kid’s Anti-UV Long-sleeved Sun Top blue
  27. BOY'S SWIMMING BRIEFS 900 YOKE - BLACK RED
    €9.00
    NABAIJI

    BOY'S SWIMMING BRIEFS 900 YOKE - BLACK RED
  28. GIRL'S SURF SWIMSUIT CROP TOP BAHA 900 - GREEN
    €11.00
    OLAIAN

    GIRL'S SURF SWIMSUIT CROP TOP BAHA 900 - GREEN
  29. GIRLS' 1-PIECE SWIMSUIT KHAKI LANZAROTE
    €16.50
    NABAIJI

    GIRLS' 1-PIECE SWIMSUIT KHAKI LANZAROTE
  30. Boy's swim shorts - 100 sky blue
    €5.00
    OLAIAN

    Boy's swim shorts - 100 sky blue
  31. Discount
    GIRL'S ONE-PIECE TRIANGLE SWIMSUIT 500 FUCHSIA
    €8.00
    €9.00 -11%
    OLAIAN

    GIRL'S ONE-PIECE TRIANGLE SWIMSUIT 500 FUCHSIA
  32. Discount
    Boy's long-sleeved anti-UV T-shirt - 500 Vortex black
    €10.00
    €11.00 -9%
    OLAIAN

    Boy's long-sleeved anti-UV T-shirt - 500 Vortex black
  33. GIRLS’ two-piece SURFING swimsuit BIKINI TOP BALI 100 PINK
    €5.00
    OLAIAN

    GIRLS’ two-piece SURFING swimsuit BIKINI TOP BALI 100 PINK
  34. GIRL'S ONE-PIECE SWIMSUIT 100 BLACK
    €9.00
    OLAIAN

    GIRL'S ONE-PIECE SWIMSUIT 100 BLACK
  35. Discount
    Girl's swimsuit bottoms - 500 Bao rainbow stripes turquoise
    €5.00
    €6.00 -16%
    OLAIAN

    Girl's swimsuit bottoms - 500 Bao rainbow stripes turquoise
  36. Boys' Swimming Swim Trunks 100 Basic - Navy Blue
    €5.00
    NABAIJI

    Boys' Swimming Swim Trunks 100 Basic - Navy Blue
  37. kids’ surfing anti-UV long-sleeved printed water T-shirt - blue
    €11.00
    OLAIAN

    kids’ surfing anti-UV long-sleeved printed water T-shirt - blue
  38. Discount
    Girl's swimsuit top - 900 Lily purple turquoise
    €7.00
    €8.00 -12%
    OLAIAN

    Girl's swimsuit top - 900 Lily purple turquoise
  39. Girls' 1-piece swimsuit shorty Kamyleon black
    €22.50
    NABAIJI

    Girls' 1-piece swimsuit shorty Kamyleon black
  40. Discount
    Girl's swimsuit bottoms - 900 Buddy purple turquoise
    €6.00
    €7.00 -14%
    OLAIAN

    Girl's swimsuit bottoms - 900 Buddy purple turquoise
  41. Girl's swimsuit crop top - 500 Lana rainbow stripes turquoise
    €6.00
    OLAIAN

    Girl's swimsuit crop top - 500 Lana rainbow stripes turquoise
  42. Girls’ 2-Piece Swimming Swimsuit Top Lila Blue
    €9.00
    NABAIJI

    Girls’ 2-Piece Swimming Swimsuit Top Lila Blue
  43. Discount
    Girl's Lila Cobe one-piece swimsuit red
    €9.00
    €13.00 -30%
    NABAIJI

    Girl's Lila Cobe one-piece swimsuit red
  44. GIRL'S SWIMSUIT BOTTOMS ZELI 100 BLACK
    €4.00
    OLAIAN

    GIRL'S SWIMSUIT BOTTOMS ZELI 100 BLACK
  45. Discount
    Boy's swim shorts - 100 banana blue
    €5.00
    €6.00 -16%
    OLAIAN

    Boy's swim shorts - 100 banana blue
  46. Girls’ Swimming Swimsuit Bottoms Lila - White
    €3.00
    NABAIJI

    Girls’ Swimming Swimsuit Bottoms Lila - White
  47. One-piece swimsuit HANALEI 100 JUNE
    €9.00
    OLAIAN

    One-piece swimsuit HANALEI 100 JUNE
  48. Girls' 1P Swimsuit ARENA ALLOVER Pink
    €22.50
    ARENA

    Girls' 1P Swimsuit ARENA ALLOVER Pink
  49. Kid's Surfing Anti-UV Long-sleeved Water T-shirt
    €5.00
    OLAIAN

    Kid's Surfing Anti-UV Long-sleeved Water T-shirt
  50. Discount
    Riana Eve One-Piece Swimsuit - Coral
    €7.00
    €14.00 -50%
    NABAIJI

    Riana Eve One-Piece Swimsuit - Coral
  51. Girl's anti-UV short-sleeved T-shirt - 500 Palm white
    €13.00
    OLAIAN

    Girl's anti-UV short-sleeved T-shirt - 500 Palm white
  52. Girls’ One-Piece Swimsuit SPEEDO SPLASHBACK Black stars
    €25.50
    SPEEDO

    Girls’ One-Piece Swimsuit SPEEDO SPLASHBACK Black stars
  53. Girls' 1-piece Swimsuit VEGA PANTAI KHAKI
    €12.00
    NABAIJI

    Girls' 1-piece Swimsuit VEGA PANTAI KHAKI
  54. Boy's anti-UV long-sleeved T-shirt - 900 black
    €21.00
    OLAIAN

    Boy's anti-UV long-sleeved T-shirt - 900 black
  55. Swimsuit Top Vega Lily Navy
    €8.00
    NABAIJI

    Swimsuit Top Vega Lily Navy
  56. VEGA Shorty 100 Girl's Swimsuit - Turquoise Blue
    €14.00
    NABAIJI

    VEGA Shorty 100 Girl's Swimsuit - Turquoise Blue
  57. GIRL'S ONE-PIECE SWIMSUIT 500 PURPLE
    €8.00
    OLAIAN

    GIRL'S ONE-PIECE SWIMSUIT 500 PURPLE
  58. Boy's swim shorts - 900 black and blue stripes
    €25.50
    OLAIAN

    Boy's swim shorts - 900 black and blue stripes
  59. Girls' Swimsuit Bottoms Kamyleon Spor
    €3.00
    NABAIJI

    Girls' Swimsuit Bottoms Kamyleon Spor
  60. GIRLS’ SWIMSUIT TRIANGLE TOP TEA 100 YELLOW
    €4.00
    OLAIAN

    GIRLS’ SWIMSUIT TRIANGLE TOP TEA 100 YELLOW
  61. Discount
    Two-piece swimsuit BONI 100 - PINK
    €5.00
    €9.00 -44%
    OLAIAN

    Two-piece swimsuit BONI 100 - PINK
  62. Girls' Swimsuit 1P ARENA WAVES Blue
    €25.50
    ARENA

    Girls' Swimsuit 1P ARENA WAVES Blue
  63. Girl's Vega + Swimming one-piece swimsuit navy herringbone
    €9.00
    NABAIJI

    Girl's Vega + Swimming one-piece swimsuit navy herringbone
  64. SWIMMING SHORTS 500 - BLUE/BLACK
    €16.50
    OLAIAN

    SWIMMING SHORTS 500 - BLUE/BLACK
  65. Discount
    Girl's textured swimsuit bottoms - 500 Bao orchid purple
    €5.00
    €7.00 -28%
    OLAIAN

    Girl's textured swimsuit bottoms - 500 Bao orchid purple
  66. Discount
    Girl's reversible swimsuit bottoms - 500 Bella Leopard blue
    €6.00
    €7.00 -14%
    OLAIAN

    Girl's reversible swimsuit bottoms - 500 Bella Leopard blue
  67. Discount
    Girl's triangular swimsuit top - 500 Lizy leopard blue
    €6.00
    €7.00 -14%
    OLAIAN

    Girl's triangular swimsuit top - 500 Lizy leopard blue
  68. Discount
    GIRL'S LANA TEXTURED SWIMSUIT CROP TOP 500 LAVENDER
    €6.00
    €12.00 -50%
    OLAIAN

    GIRL'S LANA TEXTURED SWIMSUIT CROP TOP 500 LAVENDER
  69. BOYS’ SWIMMING JAMMER FINA 900
    €65.00
    NABAIJI

    BOYS’ SWIMMING JAMMER FINA 900
  70. GIRL'S SURF Swimsuit bottoms TIARE MAS 900
    €12.00
    OLAIAN

    GIRL'S SURF Swimsuit bottoms TIARE MAS 900
  71. Girl’s swimming bikini top Kamyleon Spor
    €2.00
    NABAIJI

    Girl’s swimming bikini top Kamyleon Spor
  72. Women's One-piece swimsuit Kamy Long black green
    €18.00
    NABAIJI

    Women's One-piece swimsuit Kamy Long black green
  73. Discount
    Swim shorts 550 offshore green
    €10.00
    €12.00 -16%
    OLAIAN

    Swim shorts 550 offshore green
  74. Discount
    Swimming Skirt Una G mint
    €5.00
    €8.00 -37%
    NABAIJI

    Swimming Skirt Una G mint
  75. Discount
    GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 LAVENDER
    €9.00
    €12.00 -24%
    OLAIAN

    GIRL'S HIGH-WAISTED BAO SWIMSUIT BOTTOMS 500 LAVENDER
  76. Girls' 2-piece Swimsuit ARENA Black Coral
    €22.50
    ARENA

    Girls' 2-piece Swimsuit ARENA Black Coral
  77. Discount
    Girl's textured swimsuit bra top - 500 Lana orchid purple
    €6.00
    €7.00 -14%
    OLAIAN

    Girl's textured swimsuit bra top - 500 Lana orchid purple
  78. Girl's scarf swimsuit top - 100 Tami coral
    €4.00
    OLAIAN

    Girl's scarf swimsuit top - 100 Tami coral
  79. Discount
    SWIMMING TRUNKS 900 BRIEFS ALL ICE BLUE ORANGE
    €8.00
    €15.00 -46%
    NABAIJI

    SWIMMING TRUNKS 900 BRIEFS ALL ICE BLUE ORANGE
  80. GIRLS' 1-PIECE SWIMSUIT KAMYLEON BLACK
    €19.50
    NABAIJI

    GIRLS' 1-PIECE SWIMSUIT KAMYLEON BLACK
  81. Swimming trunks sky blue navy blue
    €10.00
    OLAIAN

    Swimming trunks sky blue navy blue
  82. 2-piece swimsuit TAMARA 100 black
    €7.00
    OLAIAN

    2-piece swimsuit TAMARA 100 black
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Kids' Swimwear from Decathlon Ireland: Comfort, Safety, and Style for Aquatic Adventures

Get your little ones ready for aquatic adventures with Decathlon Ireland's collection of kids' swimwear.


Crafted with comfort, durability, and style in mind, our kids' swimwear is perfect for pool parties, beach days, and swimming lessons. Whether your child is splashing in the waves or perfecting their strokes in the pool, our swimwear offers the perfect blend of functionality and fashion.


Made from high-quality materials, our swimwear ensures optimal comfort and durability in the water. The quick-drying fabric allows for fast transitions from water to land, while the stretchy materials provide freedom of movement for active young swimmers.


At Decathlon Ireland, safety is our priority. That's why our kids' swimwear is designed with features like UV protection and chlorine resistance to keep your child safe and comfortable in the water.


Explore our range of kids' swimwear today and find the perfect pieces for your little swimmer. Whether they prefer swimsuits or swim trunks, Decathlon Ireland has everything kids need to make a splash and enjoy endless hours of fun in the water.