Update your browser for a better shopping experience!

Get faster load times, stronger security and access to all features.

Skip to content

SALE IS HERE – up to 50% off
Shop women’s new in
Shop men’s new in

Search product, code or brand

Sign in

Sign in or create an account:

for faster checkout
to unlock personalised Sparks offers
to access order history and track deliveries

Sign in
Create an account
Guest order tracking
Guest order return
Sparks

0

Search product, code or brand

Sale

All Women's sale
Coats & Jackets
Dresses
Jumpers & Cardigans
Shirts & Blouses
Trousers

All Men's sale
Coats & Jackets
Jumpers & Cardigans
Shirts
Trousers
Underwear & Socks

All Brands sale
Women's brands sale
Men's brands sale
Kids' brands sale
Lingerie sale

All Homeware sale

All Jaeger sale

All Kids' sale
Baby
Boys
Girls

Lingerie & Nightwear sale

All Lingerie sale
Bras
Knickers
Nightwear

All Beauty sale

Lingerie & Nightwear sale

Women

Cardigans
Cashmere
Coats and Jackets
Dresses
Holiday Shop
Jeans
Jumpers
Partywear
Shirts and Blouses
Skirts
Sportswear
Tops
Trousers

All Dresses
Maxi Dresses
Midaxi Dresses
Midi Dresses
Mini Dresses
Party Dresses

All Footwear
Boots
Shoes
Slippers
Trainers

All Accessories
Handbags & Bags
Hats
Scarves

Lingerie & Nightwear

Bras
Knickers
Nightwear

Body Fit & Maternity

Curve
Maternity
Petite
Tall

New In Clothing

Chocolate Brown

Winter Clothing & Accessories

Lingerie

All Bras
Balcony Bras
First Bras
F-K Bras
Full Cup Bras
Maternity and Nursing Bras
Non-Wired Bras
Post-Surgery Bras
Padded Bras
Sports Bras
Strapless Bras

All Knickers
Brazilian Knickers
Full Brief Knickers
High-Leg Knickers
Multipack Knickers
No-VPL Knickers
Thongs

All Shapewear
Anti-Chafing Shorts
Bodies
Shaping Knickers
Slips

All Nightwear
Dressing Gowns
Loungewear
Nightdresses
Pyjamas
Pyjama Sets
Slippers

Socks & Tights

Socks
Tights

Thermals & Vests

Thermals
Vests & Camis

Lingerie & Nightwear sale

Book your Bra Fit

Men

Clothing

Best Sellers
Cashmere
Chinos
Coats and Jackets
Gilets
Hoodies and Sweatshirts
Jeans
Joggers
Knitwear
Polo Shirts
Shirts
Sportswear
Trousers
T-Shirts

Nightwear & Underwear

All Nightwear
Dressing Gowns
Pyjamas
Socks
Thermals
Vests
Underwear

Suits & Formalwear

Blazers
Formal Shirts
Smart Trousers
Suits
Tuxedos

Footwear

All Footwear
Boots
Casual Shoes
Slippers
Smart Shoes
Trainers

Accessories

All Accessories
Bags
Belts
Gloves
Hats
Scarves
Men's Grooming

New In Clothing

Winter Clothing & Accessories

Kids

Girls (2yrs-16yrs)

Accessories
Coats and Jackets
Dresses
Footwear
Jeans
Joggers
Jumpers and Cardigans
Leggings
Nightwear
Outfits and Sets
Skirts
Socks and Tights
Tops
Underwear and Thermals

Boys (2yrs-16yrs)

Accessories
Coats and Jackets
Footwear
Jumpers and Sweatshirts
Jeans
Joggers
Nightwear
Outfits and Sets
Shirts
Socks
Trousers
Tops
Underwear and Thermals

Baby Boy
Baby Girl
Baby Coats
Baby Grows
Baby Outfits
Newborn Clothing
Baby Gifts

All Toys

Boys' Uniform
Girls' Uniform

Everyday Essentials

Winter Clothing & Accessories

Home

All Bathroom
Bath Mats
Towels

All Bedding
Bed Sheets
Duvets
Duvet Covers & Sets
Mattress Protectors
Pillows
Pillowcases

Cooking & Dining

Dinner Sets
Glassware
Kitchenware
Mugs
Pots & Pans
Tableware

Home Furnishings

All Home Furnishings
Cushions
Curtains
Rugs
Throws

All Lighting
Ceiling Lights
Floor Lamps
Table Lamps

Home Accessories

All Home Accessories
Artificial Flowers & Plants
Home Fragrance
Vases & Plant Pots

Travel

Suitcases & Luggage

M&S x Tom Kerridge

Beauty

All Skincare
Cleansers
Eye Cream
Moisturisers
Serum
Face Masks
Toners

All Makeup
Beauty Accessories
Blushers
Foundation
Lipstick
Mascara
Nail Care

All Bath & Body
Hand Cream
Hand Wash
Shower Gel
Travel Size Toiletries
Wellbeing

Fragrance

Women's Perfume
Men's Aftershave

All Haircare
Conditioner
Hair-Styling Accessories
Shampoo

All Beauty Gifts
Bath & Body Gifts
Perfume Gifts
Skincare Gifts
Make-Up Gifts
Men's Gifts

All Men's Grooming
Men's Aftershave
Men's Gifts
Moisturisers

Gifts

Gifts by Price

Gifts Under €20
Gifts Under €30
Gifts Under €50
Luxury Gifts

Gifts by Recipient

Gifts For Her
Gifts For Him
Gifts For Kids
Baby Gifts

All Gift Cards

E-Gift Cards
Corporate Gifts

Gifts by Occasion

Anniversary Gifts
Birthday Gifts
Congratulations Gifts
Housewarming Gifts
Communion Gifts

Gifts Under €20

Food

Food

Cooking with Stars Recipes
Desserts and Puddings
Eat Well, Play Well
Healthy Food and Drink
Loved by Customers
Picky Tea
Store Cupboard

The Home of Dine In

Slow Cook Dine In
Indian Dine In
Gastropub Dine In
Stir Fry Dine In

The Home of Recipes

Baking Recipes
Healthy Eating Recipes
Mark Moriarty Recipes
Quick-Fire Dinners
Budget Recipes

Food In Store

Spirits and Cocktails
Jersey Royals
Plants
Remarkable Value
Wine Hub
Our Brand
M&S Brands Café
Store Locator

Offers

Shop all Women's Offers

20% off selected Women’s Coats
20% off selected Women's Boots
20% off Women’s Hats Gloves Scarves

Shop all Home Offers

20% off Home Fleece & Brushed Bedding
Up to 40% off Bedding
40% off Selected Home Fragrance
Up to 40% off selected Kitchenware
Up to 30% Selected Lighting
Up to 40% off selected Towels

Shop all Kids' Offers

20% off Kids' Hats Gloves Scarves

Shop all Men's Offers

20% off Men’s Outerwear
3 for €25 on selected T-Shirts

20% off Men’s Outerwear

20% off Women’s Boots

20% off Home Fleece & Brushed Bedding

20% off Women’s Hats Gloves Scarves

20% off Kids' Hats Gloves Scarves

Up to 40% off Home

Find store Sparks

Help Contact Us Register

Ireland(€EUR)

Select Country / Region

Select Language

Free delivery when you spend over €50

Free returns for online orders

Click & Collect in-store now

Navy Black Pyjama sets T shirts Baby shoes Ankle boots Chinos Top & bottom Trunks Bomber jackets Briefs Sandals Rugby tops Slipper socks Ankle socks Blazer Booties Chelsea boots Fleece jackets Parka Backpack Pumps Gilet Pre-walker Raincoat Shackets Swim trunks Brogues Cargo trousers Dungarees Mid calf boots Sliders Slipper boots Thermal socks Trainer socks Welly socks Baby socks Chino shorts Hooded towels Sport socks Thermal sets Walking shoes

You are here:

Home
Kids
Boys
Swim trunks

Swim trunks, Kids, Boys

There are 3 Items found

Search Kids Sizes filter
Kids Sizes with 11 options
6-7 Years
(1)
7-8 Years
(1)
8-9 Years
(1)
9-10 Years
(2)
10-11 Years
(1)
11-12 Years
(1)
12-13 Years
(1)
13-14 Years
(2)
14-15 Years
(1)
15-16 Years
(2)
4 Years
(1)
Colour with 2 options
Navy
(2)
Black
(1)
Brand with 2 options
Goodmove
(1)
Speedo
(2)
Style with 86 options
Pyjama sets
(78)
Trainers
(62)
Joggers
(38)
Sweatshirts
(38)
Wellies
(37)
Hoodies
(36)
Tops
(33)
Shirts
(31)
T shirts
(30)
Jumpers
(25)
Coats
(23)
Slippers
(22)
Jeans
(20)
Thermals
(18)
Baby shoes
(17)
Ankle boots
(16)
Swim shorts
(15)
Clogs
(14)
Outfits
(14)
Trousers
(14)
School socks
(13)
Chinos
(12)
Top & bottom
(12)
Trunks
(12)
Pyjamas
(10)
Cargos
(9)
Jackets
(9)
Shorts
(9)
Bomber jackets
(8)
Briefs
(8)
Lunch boxes
(8)
Sandals
(8)
Dressing gowns
(7)
Long sleeve tops
(7)
Polo shirts
(7)
Rugby tops
(7)
Slipper socks
(7)
Ankle socks
(6)
Blazer
(6)
School shoes
(6)
Booties
(5)
Chelsea boots
(5)
Fleece jackets
(5)
Parka
(5)
Swim outfit
(5)
Vests
(5)
Backpack
(4)
Leggings
(4)
Oversized hoodies
(4)
Pumps
(4)
Borg jacket
(3)
Gilet
(3)
Pre-walker
(3)
Raincoat
(3)
Rash vests
(3)
Shackets
(3)
Swim trunks
(3)
Brogues
(2)
Cargo trousers
(2)
Dungarees
(2)
Mid calf boots
(2)
Onesies
(2)
Sliders
(2)
Slipper boots
(2)
Swim seat
(2)
Thermal socks
(2)
Trainer liners
(2)
Trainer socks
(2)
Welly socks
(2)
Baby socks
(1)
Baby tights
(1)
Boilersuits
(1)
Cardigans
(1)
Chino shorts
(1)
Gift sets
(1)
Gilets
(1)
Hooded towels
(1)
Lace up shoes
(1)
Men's casual shoes
(1)
Robe
(1)
Snowsuits
(1)
Sport socks
(1)
Sports accessories
(1)
Thermal sets
(1)
Trekkers
(1)
Walking shoes
(1)
€10
€25
Minimum valueMaximum value

Swim trunks

There are 3 Items found

Sort by

Swim Trunks (6-16 Yrs)

Swim Trunks (6-16 Yrs)

Swim Shorts (4-16 Yrs)

Swim Shorts (4-16 Yrs)

Aquashort (4-16 Yrs)

€10.50~~€21~~

Aquashort (4-16 Yrs)

Don't miss out

Register to receive exclusive offers tailored to you, plus rewards and promotions before anyone else. Just select ‘YES’ on the next page and never miss a thing.

Sign up for the newsletter

Here to Help

Help & Contact Us
Our stores
Product recalls
Site map

Delivery & Returns

Where's my order?
Delivery & collection
Guest Orders & Returns
Returns & refunds

Shopping with Us

Sparks
Sparks FAQs
Gift card balance
Mobile apps
Size guides
Sustainability

More from M&S

M&S Corporate site
M&S Corporate Gifts
Careers
Charities
Gender Pay Gap

© 2025 Marks and Spencer plc (UK)Terms & Conditions Privacy CookiesAccessibility Modern Slavery Act