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Boy's Swimwear & Beachwear

Boy's Swim Shorts
Boy's Jammers
Boy's Swimming Trunks
22 Products
By price
€
€
  • 1 Products
By size
  • 11 Products
  • 2 Products
  • 2 Products
  • 2 Products
  • 1 Products
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  • 1 Products
  • 1 Products
By brand
  • 11 Products
  • 10 Products
  • 1 Products
By nature
  • 9 Products
  • 5 Products
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  • 2 Products
  • 1 Products
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  • 1 Products
By gender
  • 21 Products
  • 1 Products
By practice
  • 11 Products
  • 10 Products
  • 4 Products
  • 4 Products
  • 2 Products
  • 1 Products
  • 1 Products
  • 1 Products
  • 1 Products
By color
  • 15 Products
  • 2 Products
  • 2 Products
  • 2 Products
  • 1 Products
  • Boys’ Swimming Jammer Fitib Black / Neon yellow
    • Boys’ Swimming Jammer Fitib Black / Neon yellow
    • Boys’ Swimming Jammer Fitib Black / Bright Red / Turquoise
    • Boys’ swimming jammer - 500 Fitib fatu yellow
    • Boy’s swimming jammer swimsuit - 500 Fitib shark black
    • Boy’s swimming jammer swimsuit - 500 Fitib black mesh white

    NABAIJI

    Boys’ Swimming Jammer Fitib Black / Neon yellow
    4.68 out of 5 stars.

    1374

    €18.00
  • Boys' swimming boxer shorts - 100 plus black
    • Boys' swimming boxer shorts - 100 plus black
    • Boys' swimming boxer shorts - 100 Plus dark blue

    NABAIJI

    Boys' swimming boxer shorts - 100 plus black
    4.75 out of 5 stars.

    2327

    €8.00
  • Boys' swimming shorts - 100 blue
    • Boys' swimming shorts - 100 blue
    • Boys' swimming swim shorts 100 basic - navy
    • Boys' swimming shorts - 100 yellow

    NABAIJI

    Boys' swimming shorts - 100 blue
    4.76 out of 5 stars.

    490

    €6.00
  • Boys’ swimming boxer shorts - 500 Fitib black blue red yellow green
    • Boys’ swimming boxer shorts - 500 Fitib black blue red yellow green
    • Boys' swimming boxer shorts - 500 Fitib all marin blue red
    • Boys' swimming boxer shorts - 500 Fitib all shark black neon yellow
    • Boys’ Swimming Trunks Fitib - East Blue / Green / Red
    • Boys' swimming boxer shorts - 500 Fitib anoi turquoise
    • Boys' swimming boxer shorts - 500 Fitib yellow blue green
    • Boys' swimming boxer shorts - 500 Fitib fatu green
    • Boys' swimming boxer shorts - 500 Fitib blue line beige
    • Boy’s swimming briefs - 500 Fitib shark black blue

    NABAIJI

    Boys’ swimming boxer shorts - 500 Fitib black blue red yellow green
    4.64 out of 5 stars.

    3685

    €11.00
  • Boy’s swim shorts - 100 sky blue
    • Boy’s swim shorts - 100 sky blue
    • Boys’ swim shorts - 100 cyan blue
    • Boy’s swim shorts -100 navy blue

    OLAIAN

    Boy’s swim shorts - 100 sky blue
    4.78 out of 5 stars.

    315

    €4.00
  • BOYS' WATER POLO SWIM BRIEFS - SHARK GREEN
    • BOYS' WATER POLO SWIM BRIEFS - SHARK GREEN
    • BOYS' WATER POLO SWIM BRIEFS - FRANCE
    • BOYS' WATER POLO SWIM BRIEFS LION BURGUNDY
    • Boys' water polo swimming trunks - 500 Tiki turquoise
    • Boy’s water polo trunks - 500 Shark dark blue and turquoise

    WATKO

    BOYS' WATER POLO SWIM BRIEFS - SHARK GREEN
    4.71 out of 5 stars.

    42

    €11.00
  • Boy's swim shorts - 100 happysurf red
    • Boy's swim shorts - 100 happysurf red
    • Boy’s swim shorts - 100 shadow green
    • Boys’ swim shorts -100 shadow red
    • Boy’s swim shorts - 100 Tokyo sun turquoise
    • Boys’ swim shorts - 100 Summer multicoloured
    • Boys’ swim shorts - 100 Palm turquoise
    • Boys’ striped swim shorts - 100 Stripy multicoloured
    • Boys’ swim shorts - 100 orange
    • Boys’ swim shorts - 100 yellow and black

    OLAIAN

    Boy's swim shorts - 100 happysurf red
    4.82 out of 5 stars.

    280

    €9.00
  • SWIMMING SHORTS 500 - BLUE/BLACK
    • SWIMMING SHORTS 500 - BLUE/BLACK
    • SWIMMING SHORTS 500 - BLUE/CAMO
    • Swim shorts 500 orange
    • SWIM SHORTS 500 KHAKI
    • Boy's swim shorts - 500 zebra red purple
    • Boys’ swim shorts - 500 Palmsand black
    • Boy's swim shorts - 500 brush lines blue
    • Boys’ surfing boardshorts - 500 Offshore green and blue
    • Boys’ surfing boardshorts - 500 View blue

    OLAIAN

    SWIMMING SHORTS 500 - BLUE/BLACK
    4.62 out of 5 stars.

    655

    €16.00
  • Boys' swimming briefs 900 yoke grad green
    • Boys' swimming briefs 900 yoke grad green
    • Boys' swimming briefs 900 yoke blue white
    • Boys’ swimming trunks - 900 Yoke blue yellow
    • Boys’ swimming trunks - 900 Yoke blue orange
    • Boys’ swimming trunks - 900 Yoke black green

    NABAIJI

    Boys' swimming briefs 900 yoke grad green
    4.69 out of 5 stars.

    134

    €8.00
  • Boy’s swim shorts with pockets - 100 Surfcanvas green
    • Boy’s swim shorts with pockets - 100 Surfcanvas green
    • Swim shorts - sunset
    • Boys’ surfing swim shorts with pockets - 100 Stories sky blue navy blue
    • Boys’ surfing swim shorts with pockets - 100 Stories dark blue
    • Boys’ surfing swim shorts with pockets - 100 Shadow palm turquoise
    • Boys’ surfing swim shorts with pockets - 100 Surfallday multicoloured

    OLAIAN

    Boy’s swim shorts with pockets - 100 Surfcanvas green
    4.75 out of 5 stars.

    1163

    €10.00
  • KIDS’ SWIM SHORTS 100 TEXTURE BLUE
    • KIDS’ SWIM SHORTS 100 TEXTURE BLUE
    • KIDS’ SWIM SHORTS 100 TEXTURE GREEN

    OLAIAN

    KIDS’ SWIM SHORTS 100 TEXTURE BLUE
    €11.00
  • Men’s swimming trunks - 100 plus red
    • Men’s swimming trunks - 100 plus red
    • Men’s swimming trunks - 100 plus green
    • Men’s swimming trunks - 100 plus navy
    • Men’s swimming briefs - 100 plus quad green

    NABAIJI

    Men’s swimming trunks - 100 plus red
    €8.00
  • Boys' swimming trunks - Side blue green
    • Boys' swimming trunks - Side blue green
    • Swimming trunks 900 briefs all ice blue orange

    NABAIJI

    Boys' swimming trunks - Side blue green
    4.69 out of 5 stars.

    65

    €14.00
  • Boys’ swimming long swim shorts - 100 Atao blue
    • Boys’ swimming long swim shorts - 100 Atao blue
    • Boys’ swimming long swim shorts - 100 Hotu orange

    NABAIJI

    Boys’ swimming long swim shorts - 100 Atao blue
    5 out of 5 stars.

    1

    €14.00
  • Boys’ surfing boardshorts - 900 Band blue
    • Boys’ surfing boardshorts - 900 Band blue
    • Boys’ surfing boardshorts - 900 band yellow
    • Boys’ surfing boardshorts - 900 Band black
    • Boys’ surfing boardshorts - 900 Band blue
    • Boys’ surfing boardshorts - 900 Band green

    OLAIAN

    Boys’ surfing boardshorts - 900 Band blue
    €19.00
  • Boy's swim shorts - 550 Softgeo blue Discount
    • Boy's swim shorts - 550 Softgeo blue
    • Boy's swim shorts - 550 Canopy orange

    OLAIAN

    Boy's swim shorts - 550 Softgeo blue
    4.6 out of 5 stars.

    337

    €8.00 €12.00 33%

    The lowest price in the 30 days before the discount was €12.00
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Boys' Swimwear & Beachwear for Endless Summer Fun at Decathlon Ireland

Prepare your young water enthusiasts for endless fun in the sun with Decathlon Ireland's selection of boys' swimwear and beachwear.


Crafted for comfort and style, our boys' swimwear and beachwear collection is designed to keep up with their active lifestyle. Whether they're splashing in the waves or building sandcastles on the shore, our swim trunks and beach shorts offer the perfect blend of functionality and fashion.


Made from high-quality materials, our swimwear and beachwear ensure optimal comfort and durability in and out of the water. The quick-drying fabric allows for easy transitions from swimming to beach activities, while the elastic waistbands provide a secure fit for active boys on the move.


At Decathlon Ireland, safety is paramount. That's why our boys' swimwear and beachwear are designed with features like UV protection and chlorine resistance to keep your child safe and comfortable under the sun.


Explore our range of boys' swimwear and beachwear today and find the perfect pieces for your little beach bum. Whether they prefer bold prints or classic styles, Decathlon Ireland has everything boys need to make a splash and enjoy unforgettable beach adventures.