Summer 2025 is in full swing, and with it comes the irresistible urge to escape, unwind, and feel absolutely radiant in your skin. Whether you're heading to the beach, the pool, or a sun-soaked rooftop, the perfect swimsuit is your ultimate confidence booster—and this season’s trends deliver just that.
This year, swimwear is all about effortless style, timeless silhouettes, and versatile textures. At Mennillo, we believe that a swimsuit should be more than just a piece of clothing—it should be a second skin, one that empowers you to feel beautiful, strong, and free. Our mission? To offer feminine, long-lasting, and well-constructed swimwear that reflects who you are—whether you're soaking up the sun or heading straight from the beach to a chic terrace dinner.
Ready to dive in? Discover the five biggest swimwear trends of Summer 2025, along with our favorite Mennillo styles that embody them.
1. The Comeback of the Minimalist One-Piece
The one-piece swimsuit is no longer the underdog it’s the undisputed star of summer 2025. Forget outdated stereotypes of overly conservative styles. This season, the one-piece is redefined: clean lines, modern cuts, and elevated fabrics come together to create an elegant yet contemporary silhouette.
Minimalism doesn't mean boring. In fact, it’s a bold statement in itself refined, intentional, and fashion-forward. Whether you're sunbathing, paddleboarding, or sipping cocktails at sunset, the one-piece effortlessly adapts to your day. Plus, it doubles as a bodysuit under high-waisted shorts or flowy pants, giving you endless outfit possibilities.
Mennillo’s top pick? The Céline One-Piece.
Available in ribbed black and ribbed brown, this swimsuit is simplicity at its most flattering. With its open back and sculpting fit, it enhances your curves without sacrificing comfort. The textured fabric adds just enough detail to elevate the look, making it perfect for both lounging and layering.
Why we love it:
· Elegant open back design
· Sculpting and supportive fit
· Textured fabric for added dimension
· Doubles as a bodysuit : your travel must-have
The Céline is proof that sometimes, less truly is more.
2. Textures That Make All the Difference
Fabric is no longer just a background element, it's taking center stage. In 2025, designers are trading smooth, shiny fabrics for ribbed, crinkled, and tactile materials that add depth and dimension to even the simplest swimwear designs.
Textures not only look elevated but also enhance the feel and function of the swimsuit. They offer better support, hug the body in all the right places, and dry faster after a swim.
At Mennillo, this trend shinesthrough in the Marella & May set.
Crafted in a stunning mocha brown ribbed fabric, the Marella top features a rectangular ring detail at the center of the chest, an eye-catching element that’s both minimalist and edgy. Paired with the May bottoms, which mirror the ring detail on the left hip, the set creates a beautiful balance of structure and softness.
What makes it special:
· High-quality ribbed fabric
· Subtle graphic accents with ring hardware
· Balanced, harmonious design
· Supportive and flattering cut
This is texture done right : understated yet unforgettable.
3. Earthy and Natural Tones for a Calm Summer Vibe
Color is one of the most expressive elements of fashion, and this summer, nature is the palette. As we collectively seek a slower, more grounded way of living, it’s no surprise that fashion is leaning into earthy tones, shades that soothe the mind and complement every skin tone.
Forget flashy fluorescents and synthetic neons. 2025 is about:
· Mocha brown
· Sage green
· Bone white
· Soft sand
· Clay and charcoal
These hues are versatile, elegant, and seasonless, making them perfect for mixing and matching. You can style them with your favorite neutral accessories, or layer with breezy linen pieces for an elevated vacation look.
Mennillo’s Cocoa Tide Collection brings this color story to life.
The Aspen top in “brown rib” channels desert sunsets, while the Hazel top in “bone” evokes the early morning calm of a California beach. These swimsuits are designed to work across styles, moods, and occasions.
Why you’ll love these tones:
· Ultra-flattering on all skin types
· Timeless and easy to style
· Reflect nature’s calm, grounding energy
· Ideal for capsule summer wardrobes
Bonus: They pair beautifully with strawhats, gold jewelry, raffia bags, and tanned skin.
4. Asymmetry: When Design Breaks the Rules
If you're looking to stand out while keeping it subtle, asymmetry is your best friend this season. Asymmetric cuts, whether in necklines, straps, or side details, add a contemporary twist to classic silhouettes, offering an instantly editorial look.
This design element creates visual interest without compromising practicality. Think one-shoulder tops, unexpected ring placements, or off-balance hemlines that flatter and sculpt the body in new ways.
At Mennillo, the Marella top does asymmetry beautifully.
Its clean-cut neckline is accented by a single rectangular ring in the center, adding a touch of architectural flair. Paired with the May bottoms and their ring detail on one hip, the set becomes a study instylish balance, bold enough to turn heads, yet refined enough to become a staple.
Highlights of this trend:
· Adds a bold, contemporary edge
· Creates unique silhouettes
· Balances comfort with modernity
· Great for elongating the neckline and torso
Style tip: Keep your accessories minimalist to let the swimsuit’s unique shape shine.
5. Versatility and Durability: The Real Priorities
Trends aside, the number one thing women want from swimwear in 2025 is functionality. In today’s fast-paced world, your wardrobe needs to keep up with your life and your swimsuit is no exception. From impromptu dips in the sea to long beach walks or last-minute dinner plans, it needs to do it all.
That’s why Mennillo designs each piece with real life in mind. Our swimsuits are:
· Durable and resistant
· Quick-drying for comfort on the go
· Designed to flatter every body
· Built to last, not just for this summer, but many to come
Take the Céline one-piece: wear it to the beach in the morning, throw on a white oversized shirt and sandals, and you’re ready for brunch.
The Hazel cover-up is perfect for throwing over your swimsuit at the beach or styling with a mini skirt for a breezy summer look.
Sustainable fashion isn’t just about organic cottons or compostable packaging. It’s also about making better choices, less but better. Choosing well-made swimwear that lasts beyond one season is part of that shift.
At Mennillo, we:
· Design locally in Québec
· Use high-performance, ethically sourced fabrics
· Focus on timeless cuts and finishes
· Prioritize quality over fast trends
Because you deserve pieces that reflect your lifestyle, your values, and your taste.
What About Accessories?
No swimwear look is complete without carefully chosen accessories. Luckily, this year’s accessories are as refined and intentional as the suits themselves. Think minimalism with a twist of luxury.
Our recommendations:
· A lightweight pareo : wear it as a skirt, dress, or halter wrap. It’s your beach-to-patio essential.
· A shimmering body oil : add a sun-kissed glow for golden hour moments.
· A handwoven bag : big enough for a book, your sunnies, and your favorite lip balm.
· Oversized sunglasses and a straw hat : both chic and sun-safe.
Accessories should enhance your look without overpowering it. That’s why we love soft tones, natural fibers, and versatile pieces that work with everything in your suitcase.
Where to Shop the Collection
You can explore all of our swimwear collections right now on our website:
• Head to the Collections tab to shop curated looks.
• Use the Shop section to browse by size, price, fabric, or style.
• Apply filters to find exactly w
hat you need — whether you're into sexy cuts, sporty styles, or timeless classics.
Prefer to try before you buy?
Visit us in person at our boutique, just 5 minutes from the Mirabel Outlets. You can:
• Try on your favorites
• Get personalized fit advice
• Make easy exchanges or returns on site
Our team is always happy to help you find the piece that feels just right.
A Summer That Reflects You
Summer 2025 is all about intentional beauty. The swimwear trends this season favor natural elegance, comfort, and timeless style. And more importantly, they reflect you : your rhythm, your routine, your version of confidence.
At Mennillo, we don’t just follow trends, we shape them around real lives, real bodies, and real needs. With rich textures, soft colors, and elevated cuts, our collections are designed to help you step into summer as your most grounded, radiant, and confident self.
Ready to make waves?
Shop the full collection online or visit our boutique and find the swimsuit that will carry you effortlessly, through every sun-filled moment of the season.