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If you’ve ever struggled to find swimwear that actually fits your curves and aligns with your values, you’re not alone.
This guide to sustainable plus-size swimwear is for all the curvy, fabulous babes who want to look amazing, feel confident, and avoid toxic fabrics this summer.
Summer is right around the corner, and I can practically feel the sunshine on my skin and the sand between my toes.
But there’s one thing I’m not exactly excited about: trying to find a swimsuit that actually fits my curves, feels comfortable, looks amazing, and is made from sustainable materials.
If you’ve ever felt frustrated by the lack of options that truly check all the boxes—size inclusive, flattering, and environmentally conscious—you’re not alone.
I’ve spent years trying to navigate the world of swimwear that either doesn’t fit or is made with not-so-great materials that don’t belong anywhere near our bodies and end up polluting our planet.
The good news? 2026 is finally the year things are starting to change. We’re seeing brands step up with bold, inclusive, and sustainable plus-size swimwear that lets us show up confidently, without compromise.
So if you’re looking for that perfect suit that covers all of the bases this summer season, you’re in the right place!
Why Most Swimwear Isn’t Made for Curvy, Conscious Shoppers
Finding plus-size swimwear is challenging enough, but when you also care about what your clothing is made from and how it impacts the environment, the search becomes even more difficult!
The reality is that most conventional swimwear comes with a double problem:
- Limited sizing options.
- Potentially harmful materials that impact both our bodies and the planet.
Hidden Toxins Against Your Skin
The scary truth is that most popular swimwear brands use synthetic fabrics containing toxic chemicals that you probably never think about when shopping.
These can include PFAS “forever chemicals” (those water-repellent and quick-drying properties have to come from somewhere!), BPA, phthalates, and even heavy metals like lead and cadmium.
What makes this especially concerning is that swimwear sits directly against our skin in wet, warm conditions – the perfect scenario for these chemicals to be absorbed through our skin and into our bloodstreams.
When we’re swimming, our pores open up due to the water and heat, making us even more vulnerable to absorbing these toxins.
These chemicals aren’t just a minor concern; they’ve been linked to serious health issues, including hormone disruption, reproductive problems, and even cancer.
Negative Environmental Impact
Each time we wash or swim in our synthetic swimsuits, they shed tiny microplastic fibers that end up in our waterways.
These microplastics are now found everywhere, from the deepest ocean trenches to Arctic ice, and even in the fish we eat! It’s a vicious cycle that affects us all, regardless of size.
Limited Options That Force Compromise
For years, plus-size shoppers have faced a frustrating choice: settle for fast fashion options that might fit our bodies but damage the planet, or choose eco-friendly brands that stop at size XL.
This forced compromise has left many of us feeling excluded from the sustainable fashion movement. I can’t tell you how many times I’ve found a beautiful, environmentally-conscious swimwear brand, only to discover their “inclusive” sizing stops at XL or XXL.
The message has often been that sustainable fashion isn’t for bigger bodies, a painful exclusion that reinforces harmful stereotypes.
But times are changing, and 2026 is finally showing us that we can have it all – size, inclusivity, sustainability, and style!
⚠️ The Hidden Toxins in Conventional Swimwear
Most swimwear is made from synthetic fibers that contain toxic chemicals like:
- PFAS (forever chemicals)
- BPA and phthalates
- Heavy metals (lead, cadmium)
These materials sit directly against your skin in warm, wet conditions, meaning your body absorbs them more easily.
This is especially concerning in swimwear, where open pores and heat can increase toxin absorption. These chemicals are linked to hormone disruption, reproductive issues, and more.
What To Look For In Sustainable Plus-Size Swimwear?
✅ Sustainable Materials:
- ECONYL & Recycled Nylon: Made from ocean waste
- Recycled Polyester (rPET): Made from post-consumer bottles
- Bio-Based Fabrics: Like Vitamin A’s castor bean-based BioSculpt
- Organic cotton and hemp for cover-ups
✅ Non-Toxic Certifications:
- OEKO-TEX Standard 100
- Global Recycled Standard (GRS)
- Bluesign Approved
✅ Size Inclusivity:
- Real marketing representation
- Brands offering sizes beyond XL or XXL (ideally 3X–6X)
- Fashion-forward designs are available in every size
12 Best Plus-Size Eco-Friendly Swimwear Brands of 2026
TomboyX creates sustainable swimwear that delivers comfort, coverage, and style without compromising on environmental values.
What I love most is their focus on functional designs you can actually move in—no constant adjusting required.
Their collection includes swim tanks, board shorts, compression tops, and full-coverage bottoms in sizes XS to 6X.
Made from quick-drying, OEKO-TEX® certified recycled polyester with built-in UV protection, each piece is designed to last.
Their gender-neutral approach embraces all identities, making inclusivity a core value.
After countless swims and beach days, I can say their suits offer lasting support, comfort, and confidence.
Price
$59-$100
Materials & Sizing
Recycled Polyester | UV Protection | OEKO-TEX® Certified | XS-6X
location/shipping
United States, ships to Canada
Baiia creates innovative, seamless swimwear that transforms to give you multiple looks from a single purchase—a genius for your wardrobe and the planet.
Their signature wrap styles are fully reversible and can be worn in multiple ways, giving you two or three suits in one.
Each piece is handmade with vibrant, non-toxic prints on Italian-made recycled nylon from industrial and post-consumer waste.
The seamless design means no digging or chafing, even after hours of wear. With sizes from XXXS to 6XL, Baiia is truly size-inclusive.
If you want a swimsuit that’s as versatile as it is sustainable—and turns heads wherever you go—Baiia is a smart, stunning investment.
Price
$199-$269
Materials & Sizing
Recycled Nylon | OEKO-TEX® Certified | XXXS-6XL
location/shipping
Australia, ships worldwide
Kitty and Vibe have revolutionized plus-size swimwear by tackling a problem most brands ignore—our hips and bottoms aren’t always the same size!
I love how their playful, bold patterns celebrate curves instead of hiding them.
Each piece is made from recycled polyester and Xtra Life Lycra, holding its shape through countless swims.
Their innovative sizing system offers two butt sizes for every hip measurement, solving the dreaded swimsuit wedgie issue for good.
With built-in SPF 50+ protection and sizes up to 6XL (with cup sizes to G), Kitty and Vibe are setting a new standard for fit, comfort, and body-positive swimwear.
Price
$31-$128
Materials & Sizing
Recycled Polyester | Xtra Life Lycra | SPF 50+ Protection | XS-5X
location/shipping
United States, ships to Canada, Spain & Australia
Nomads create wanderlust-worthy swimwear inspired by exotic destinations, with ethical production and size inclusivity at their core.
Their prints and silhouettes tell visual stories while celebrating diverse body types.
Each suit is made from a blend of bio-based nylon and recycled materials that feels soft and offers great shape retention.
With sizes up to 5X, their styles are thoughtfully designed to flatter and support curves.
What sets Nomads apart is their commitment to educating the fashion industry—they’re not just making beautiful swimwear, they’re pushing for change.
Their unique pieces feature details like intricate back straps, bold color blocking, and architectural cut-outs that make them instantly recognizable.
Price
$96-$125
Materials & Sizing
Bio-Based Nylon | Recycled Nylon | XS-5X
location/shipping
United States, ships to select international countries
Londre’s stunning swimwear proves that sustainability and ultra-feminine style can go hand in hand.
Each suit is made from six plastic bottles rescued from beaches, transformed into fabric that feels luxuriously soft on the skin.
Their rich colors and flattering silhouettes are thoughtfully designed to celebrate curves, with sizes up to 4XL.
What sets Londre apart is their full-circle commitment: they produce in an OEKO-TEX® certified factory using a closed-loop water system and offer recycling for old swimwear, with 15% off your next purchase.
As a bonus, they plant baby coral with every order, helping restore ocean ecosystems.
Price
$89-$189
Materials & Sizing
Recycled Plastic Bottles | OEKO-TEX® Certified | XS-4XL
location/shipping
Canada, ships to the United States, the United Kingdom, Belgium, Sweden & Denmark
Hackwith Design House creates timeless, understated swimwear made to order, eliminating excess inventory and reducing waste.
Each piece is crafted in their Minnesota studio only after you’ve placed an order, reflecting their thoughtful approach to design and sustainability.
Their collection features elegant silhouettes like knotted styles, sleek bandeau tops, and high-waisted bottoms with just the right coverage.
Made in the USA from recycled polyester, the fabric feels surprisingly luxe. With sizes up to 4XL, their designs flatter many body types.
Built to last and easy to mix and match, these suits are the opposite of fast fashion—made to be worn for years.
Price
$48-$172
Materials & Sizing
Recycled Polyester | Spandex | XS-4XL
location/shipping
United States, ships to select international countries
Nettle’s Tale creates mix-and-match swimwear that celebrates diverse body types, with ethical, local manufacturing at its core.
This Vancouver-based brand designs with specific body shapes in mind—pear, apple, athletic, and more—offering sizes up to 4X.
Each piece is made locally using OEKO-TEX® certified recycled polyester and spandex with UPF 50 protection.
Their flattering one-pieces and versatile separates feature high-rise bottoms and supportive tops that truly work for larger cup sizes. The fabrics feel substantial with just the right amount of stretch.
Best of all, Nettle showcases real customers of all sizes in their marketing—it’s swimwear made for real bodies, by people who care.
Price
$50-$116
Materials & Sizing
Recycled Polyester | Spandex | OEKO-TEX® Certified | SPF 50+ Protection | XS-4X
location/shipping
Canada, ships to the United States
Lime Ricki proves that more coverage doesn’t mean sacrificing style or sustainability.
I love how this brand fills a major gap with modest plus-size swimwear that’s fresh, fun, and flattering.
Their collection includes high-waisted bottoms, tankinis, swim dresses, and skirts with built-in shorts, offering comfort, coverage, and charm.
Their cheerful prints—florals, gingham, and polka dots—instantly lift your mood.
With sizes from XXS to 4X, they’re committed to inclusivity. Each suit offers UPF 50+ protection and long-lasting quality.
Plus, their sister-owned business creates suits for real women at every stage of life, blending function, fashion, and heart.
Price
$64-$130
Materials & Sizing
Nylon | Spandex | SPF 50+ UV Protection | XXS-4X
location/shipping
United States
Summersalt has perfected sustainable swimwear that truly fits real bodies, using 1.5 million measurements from over 10,000 women.
Their recycled polyamide fabric offers UPF 50+ protection and just the right amount of compression—supportive but never restrictive.
I love how transparent they are, clearly noting support level, compression, torso length, and coverage for each suit, making online shopping easy.
Their styles feature flattering color blocking and architectural details that enhance every curve. With sizes up to 3XL (0–24), the fit is impressively true to size.
While I’d love to see an extended range, Summersalt remains a standout as a stylish, body-conscious sustainability brand.
Price
$48-$125
Materials & Sizing
Recycled Polyamide | UPF 50+ Protection | XS-3X
location/shipping
United States, ships to Canada & Belgium
BOLD Swim proves that plus-size women deserve sexy, sustainable swimwear.
Founded by Tiffany Asamoah after her own struggle to find eco-conscious pieces that celebrate curves, BOLD creates versatile suits designed to go from beach to gym to night out, doubling as stylish bodysuits.
They use Amni Soul ECO fabric, a biodegradable material that breaks down in landfill conditions within three years.
Small-batch production keeps waste low, and each suit includes fit and coverage guides so you know exactly what to expect.
With sizes up to 3XL and vibrant prints, BOLD empowers you to make a statement while treading lightly on the planet.
Price
$65-$175
Materials & Sizing
Amni Soul ECO Biodegradable Fabric | S-XXXL
location/shipping
United States
Vitamin A pioneered plant-based swimwear fabrics that feel just as luxurious as they are sustainable, proving that eco-friendly can be undeniably sexy.
Their innovative BioSculpt fabric, made from castor beans, offers the perfect stretch and support.
Their designs exude California-cool-girl energy with feminine cuts and flattering details. While sizes go up to 2XL, the styles are thoughtfully made to support fuller figures.
Each suit includes details on support and eco-impact, making it easy to find your perfect match. From the textured EcoRib to silky EcoLux, their fabrics—made from recycled nylon—are impressively varied.
With every purchase supporting beach cleanups and environmental causes, Vitamin A blends style with purpose.
Price
$84-$215
Materials & Sizing
Plant-Based BioSculpt Fabric | EcoRib & EcoLux Recycled Nylon | OEKO-TEX® Certified | XS-XXL
location/shipping
United States, ships to Canada & Switzerland
Jessica Rey is redefining modest swimwear with feminine, elegant designs that balance style, sustainability, and coverage.
What sets this brand apart is their perfect balance of fashion-forward style with thoughtful coverage, ideal if you prefer a more modest approach to swimwear without looking dowdy.
Each suit is made in the U.S. using luxurious Italian fabric crafted from 100% regenerated plastic waste.
The collection features full-coverage one-pieces, swim dresses, and signature suits with shorts that flatter beautifully.
Rich colors and vintage-inspired prints make each piece pop. Though sizes go up to 1X, the generous cuts provide a comfortable fit for various body types.
Price
$108-$126
Materials & Sizing
100% Regenerated Pre- & Post-Consumer Waste | SPF 50+ UV Protection | XS-1X
location/shipping
United States
Tips For Finding Your Perfect Sustainable Swimwear Match
While “body type” guidance can be helpful, don’t let it limit you! The old rules about hiding certain areas or only wearing specific styles based on your shape are outdated.
The best swimsuit is ultimately the one that makes you feel amazing! That said, here are some starting points if you’re feeling overwhelmed by options:
Embracing Your Body Type Without Boxing Yourself In
- For Fuller Busts: Look for styles with underwire, adjustable straps, and higher necklines for additional support and coverage. A brand like Nettle’s Tale creates pieces specifically designed for larger cup sizes.
- If You Carry Weight In Your Midsection: High-waisted bottoms provide comfortable coverage without digging in, while wrap styles (like those from Baiia) can create beautiful definitions.
- For Fuller Hips & Thighs: Adjustable side-tie bottoms let you customize the fit perfectly while swimming skirts and shorts from brands like Lime Ricki offer more coverage without sacrificing style.
Matching Materials to Your Lifestyle
- For Active Swimming or Surfing: Look for higher percentages of recycled spandex or elastane (like in TomboyX or Summersalt suits) for more stretch and recovery.
- For Lounging By The Pool or Light Swimming: Natural fiber blends (like the cotton options from Nettle’s Tale) offer breathability and comfort.
- If You’re Sensitive To Sunburn: Prioritize styles with UPF protection (most of the brands listed offer this, but Kitty & Vibe, and Lime Ricki specifically highlight their sun protection).
- For Regular Pool Swimmers: Look for suits specifically labeled as chlorine-resistant, like those from Vitamin A with their durable EcoLux fabric.
Trying Before Buying
One of the challenges with sustainable swimwear is that it often comes from smaller brands with fewer physical locations.
Here’s how to increase your chances of finding the perfect fit:
- Check the brand’s sizing guide and measure yourself accurately – don’t just go by your usual clothing size.
- Look for brands that offer detailed fit information (like Summersalt’s torso length indicators or BOLD Swim’s coverage guides).
- Read customer reviews from people with similar body types to yours.
- Consider ordering multiple sizes to try if the brand offers free returns.
Tips For Taking Care Of Your Eco-Friendly Plus-Size Swimwear
Sustainable swimwear typically comes with a higher price tag than fast fashion alternatives.
But when properly cared for, these pieces can last for many seasons, making them a better investment for both your wallet and the planet.
Here’s how to make your eco-friendly swimwear last:
Washing With Care
- Rinse your suit in cold, clean water immediately after wearing it – salt, chlorine, sunscreen, and body oils can all break down fabrics over time.
- Hand washing is always best! Use a gentle, eco-friendly laundry detergent and cold water to preserve both the fabric and the vibrant colors.
- If you must machine wash, place your swimsuit in a mesh bag on the delicate cycle with cold water and skip the spin cycle entirely.
- Never use bleach or fabric softeners, which can break down the sustainable fibers and elasticity.
- NEVER put your swimwear in the dryer! Heat is the enemy of elasticity. Instead, lay your suit flat to dry away from direct sunlight, which can fade colors.
Storing Correctly
- Avoid wringing or twisting your suit to remove water – gently press it between towels instead.
- Never hang swimwear by the straps, as this can cause stretching. Lay flat or fold gently.
- Store in a cool, dry place away from direct sunlight.
- Avoid leaving damp swimwear bunched up in a bag or drawer, as this can lead to mildew and fabric breakdown.
- Consider using a breathable cotton bag for storage rather than plastic.
Reducing Microplastic Shedding
- Wash less frequently – a simple rinse is often sufficient between wears.
- Consider using a Guppyfriend washing bag or Cora Ball designed to capture microfibers during washing.
The more gently you treat your swimwear, the less it will shed and the longer it will last – a win-win for your wardrobe and the environment!
Is sustainable swimwear worth the higher price point?
The short answer is yes, but I understand the sticker shock!
Sustainable swimwear typically costs more upfront because eco-friendly materials are more expensive to source, ethical manufacturing pays fair wages, and smaller brands don’t benefit from mass production economics.
However, when you consider cost-per-wear, sustainable swimwear often ends up being the better value. These pieces are designed to last for years rather than a single season, with higher-quality materials and construction that hold up to regular use.
Many sustainable brands also offer repair services or take-back programs that extend the life of your purchase even further.
Plus, there’s the value of knowing your purchase isn’t contributing to environmental damage or exploitative labor practices, something that’s harder to put a price tag on but matters deeply to many of us.
How does eco-friendly swimwear perform compared to conventional options?
In the early days of sustainable swimwear, there were definitely performance trade-offs.
But in 2026, the technology has advanced so much that eco-friendly options often perform just as well as (or better than) conventional swimwear.
Recycled nylon and polyester provide the same stretch, support, and quick-drying properties as their virgin counterparts.
Plant-based innovations like Vitamin A’s BioSculpt fabric offer amazing shape retention and comfort. And materials like ECONYL have proven to be remarkably chlorine-resistant and durable.
How can I make sustainable swimwear more affordable?
I completely understand that the higher price points can be prohibitive. Here are some strategies to make sustainable swimwear more accessible:
- Look for end-of-season sales, which can offer discounts of 30-50% on quality pieces.
- Sign up for brand newsletters to be notified of sample sales and special promotions.
- Consider multi-way styles (like Baiia’s reversible designs) that give you multiple looks for the price of one.
- Check out pre-owned options on resale platforms like ThredUp or Poshmark, where you can often find sustainable swimwear at significant discounts.
- Start with one high-quality, sustainable piece and build your collection slowly over time.
This has been your full guide to the best sustainable plus-size swimwear brands!
The evolution of plus-size eco-friendly swimwear represents so much more than just new fabric choices – it’s about creating a fashion industry that truly values both body positivity and environmental stewardship.
By choosing swimwear that honors your body and the planet, you’re participating in a meaningful shift toward a more inclusive, sustainable future.
Whether you’re drawn to Kitty and Vibe’s inclusive sizing, the biodegradable fabrics of BOLD Swim, or the timeless elegance of Lime Rickey’s suits, there’s a sustainable option that will make you feel confident and beautiful exactly as you are.
Explore more of our incredible Summer-related articles:
- Non-Toxic & Sustainable Swimwear For Babies & Kids
- Non-Toxic Sunscreen For Babies & Kids
- Non-Toxic & Organic Swimwear
- Sustainable Beach Umbrellas
- Non-Toxic After-Sun Lotions
- Sun Protection Clothing
- Non-Toxic Bug Sprays
- Non-Toxic Self Tanner
- Non-Toxic Sunscreen
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OMG! These swimsuits are cute! I’ve never even heard of some of these brands. I will definitely check them out. Thank you for the recommendation.