Browse 48 discounted Monsoon swim & Beachwear — up to 90% off. Find the best deals on Monsoon swim & Beachwear across UK retailers, filtered to your size.
Showing 48 of 48 swim & Beachwear, sorted by deepest discount.
About Monsoon
Monsoon is a British womenswear, kidswear, and accessories brand founded in 1973 by Peter Simon, headquartered in London. The brand designs womenswear and kidswear with a distinctively global-influenced, occasion-focused aesthetic that draws on print, embellishment, and detailed craftsmanship. Monsoon's product range covers dresses (with particular strength in occasion and bridesmaid dresses), tops, knitwear, outerwear, and a strong kidswear offer including christening wear, flower girl dresses, and party wear. The brand also operates sister label Accessorize, which focuses on accessories. Monsoon operates UK retail through standalone stores and concessions, alongside monsoon.co.uk. The brand's positioning sits in the accessible mid-market with a particular strength in occasion and event wear, appealing to customers shopping for weddings, christenings, and other celebrations. Monsoon deals typically appear in frequent promotional events, end-of-season clearance, and an Outlet section.
Monsoon sizing guide
Monsoon sizing generally runs true to UK standard for womenswear, with the brand offering UK sizes 6–22 across most styles. Kidswear is sized by age in years. Occasion dresses and embellished pieces can vary in fit — check individual product page measurements for specifics.
When does Monsoon go on sale?
Monsoon runs frequent promotional events throughout the year, including site-wide percentage-off sales, end-of-season clearance in late June/July and December/January, an Outlet section with continuous markdowns, and Black Friday.
Frequently asked questions
Is Monsoon good for occasion wear?
Yes — Monsoon's occasion and event wear is one of the brand's key strengths, with dresses for weddings, christenings, and parties, alongside bridesmaid and flower-girl dresses in the kidswear range.
Does Monsoon offer kids' clothing?
Yes — Monsoon offers a strong kidswear range alongside womenswear, with particular strength in special-occasion wear, including christening outfits, flower-girl dresses, and party wear.
When does Monsoon go on sale?
Monsoon runs frequent promotional events year-round, with end-of-season clearance in late June/July and December/January offering the deepest discounts. An Outlet section provides continuous markdowns, and Black Friday also features regular promotions.
Is Monsoon a British brand?
Yes — Monsoon was founded in 1973 by Peter Simon and is headquartered in London. The brand has a strong UK retail presence and operates the sister brand Accessorize.
Alina Scallop Halter Swimsuit Green — £4.80 
Kyla Tie Front Bandeau Bikini Top Pink — £5.00 
Pamela Palm Print Bikini Bottom Green — £5.00 
Kaia Floral Tie-Side Bikini Bottoms Orange — £5.00 
Alina Rib Tie-Side Bikini Bottom Green — £5.00 
Pamela Palm Print Bikini Top Green — £8.50 
Cece Block Print Swimsuit Blue — £14.50 
Lillie Leaf Print Stripe Swimsuit Green — £16.25 
Killa One-Shoulder Swimsuit Black — £14.70 
Mia Glitter Tie-Side Bikini Bottoms Black — £10.50 
Ania Abstract Print Bikini Top Black — £10.50 
Kina Triangle Bikini Top Black — £10.50 
Ria Embroidered Bikini Bottom Blue — £10.50 
Ria Embroidered Bikini Top Blue — £12.00 
Mafalda Sun Print Ruffle Mini Kaftan — £17.70 
Alina Rib Tie-Side Bikini Bottom Green — £9.00 
Kimi Glitter One-Shoulder Swimsuit Gold — £16.50 
Kimi Glitter One-Shoulder Swimsuit Silver — £16.50 
Mia Glitter Triangle Bikini Top Black — £12.00 
Kina Ruched-Side Bikini Bottom Black — £9.00 
Kyla Tie Front High Waisted Bikini Bottom Pink — £12.50 
Alicia Rib Bikini Bottoms Black — £12.00 
Arti Heart Print Swimsuit Black — £23.60 
Baby Flamingo Stripe Swimsuit Blue — £7.20 
Baby UPF 50+ Daisy Swim Set & Hat Orange — £10.40 
Carmen Frill Floral Maxi Kaftan — £23.60 
Macie Shell Print Bikini Bottoms Black — £12.00 
Kyla Tie Front Bandeau Bikini Top Blue — £14.00 
Cece Block Print Bikini Top Orange — £14.00 
Macie Shell Print Bikini Top Black — £16.00 
Zaria Plunge Knit Ruffle Swimsuit Red — £26.00 
Baby Floral Print Dress Pink — £9.60 
Baby Giraffe Embroidered Top & Shorts Set Ivory — £14.00 
Eve Stripe Balloon Trousers Ivory — £24.50 
Cecelia Lace Trim Beach Cover Up — £22.50 
Callie Thorpe x Monsoon Stripe Linen Blend Wide Leg Trousers Brown — £34.50 
Ania Batik Print Trousers Black — £24.50 
Cindy Molten Detail Bikini Top Black — £20.00 
Alba Floral Print Swimsuit Green — £29.50 
Gloria Plunge Floral Ruffle Swimsuit Blue — £32.50 
Alina Rib Bandeau Bikini Top Green — £24.50 
Eve Shimmer Tie-Strap Bikini Top Blue — £28.00 
Dinah One-Shoulder Leaf Print Swimsuit Blue — £48.30 
Mabel Shell Print Swimsuit Blue — £45.50 
Eve Shimmer High Waisted Bikini Bottom Blue — £24.50 
Kiki Glitter Triangle Bikini Top Silver — £28.00 
Kiki Glitter High Waist Bikini Bottom Silver — £24.50 
Baby Floral Stripe UPF50+ Swimsuit & Sun Hat Blue — £20.80