10 Sustainable Swimwear Brands of 2025 (Reviewed)

It's 2025, you can’t go on a shopping trip with the girlies and only be looking out for colors that look good on you, designs that flatter your body, and cuts that make you sexy. Nope. You also need to look for fits that are eco-friendly, ethical, fair, and sustainable. This includes our swimsuits, too. 

And you’ll find more than 50% of shoppers now going for sustainable swimwear brands. It’s not just a fashion trend; these brands use recycled materials like ECONYL® fabric to make swimsuits that look good on you and are better for the planet. If this sounds good to you, then come on, let’s explore the best 10 sustainable swimwear brands.

List of Top 10 Sustainable Swimwear Brands of 2025

1. Jessica Rey Swimwear

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You know how some swimwear brands are known for creating swimsuits that are modest yet elegant? One of them is Jessica Rey Swimwear. This is a luxury swimwear brand. And trust me, the fabric used to create this swimwear is exceptional. Made from EcoLux fabric, these recycled fishing nets and other ocean waste textiles feel incredible on the skin.

It’s not just about the swimsuits, how good they look, and how good they feel. Nope. Jessica Rey is on this list of sustainable swimwear brands because they also care about the people, both their customers and their workers. From ethical work to fair wages, and personalized sizing for its customers, Jessica Rey is changing what a swimwear brand should be.

2. Londre

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You can be wearing a minimalist swimsuit, but if it’s from Londre, then it's definitely not a boring one. Trust me. Londre is the full definition of what a sustainable swim brand should be. They design swimsuits from recycled plastic bottles that flatter your skin, look good on you, and make you more confident.

They’re minimalist swimsuits, so of course, they don’t scream for attention, but trust me, you’ll get all the attention. From their asymmetrical straps to high cuts and bold colors, your skin will practically be glowing. But the best thing about this sustainable swimwear brand is that every swimsuit is made with the complete intention to reduce waste and impact.

3. Youswim

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With this sustainable swimwear brand, you won’t have to be frustrated about having to find swimsuits that are your size. Cos Youswim designs each swimsuit for seven body sizes. So, it’s way easier for you. Each swimsuit is designed to be ultra-stretchy, ribbed, and comfortable on your body.

Whether you’re bloating, fluctuating, postpartum, or just tired of having to squeeze into a swimsuit, Londre is for you. But what brings them to this list of sustainable swimwear brands is the OEKO-TEX fabric they use to make their swimsuits. This fabric is made from recycled nylon and elastane, so it's certified plastic negative and packaged sustainably to work better for both you and the planet.

4. Kitty and Vibe

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This can’t be a list of sustainable swimwear brands without Kitty and Vibe being here, too. If you have a big booty or always have an issue finding bikini bottoms that fit perfectly, then Kitty and Vibe are all for you. They are not a custom swimwear brand, but they go out of their way to create personalized bikini bottoms that are meant for your shape.

This sustainable swim brand is both inclusive, ethical, and sustainable. They use a buttery soft recycled polyester to design suits of different sizes to give you comfort, confidence, and a good time at the beach. Each swimsuit is also sun-protected with a UPF 50+, quick-drying, and resistant to snags and fading.

5. Lilja The Label

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Lilja the Label is a Finnish sustainable swimwear brand that brings elegance, ethics, and amazing designs to the world of swimsuits. They make these swimsuits from ECONYL® recycled nylon, which is made from fishing nets and fabric scraps.

Lilja is on this list of sustainable swim brands cos they are deeply committed to slow fashion, transparency, and circularity. They are not here for the trend that follows fashion, Nope. Each swimsuit they design goes beyond trends, they go beyond seasons, and support mindful consumption. Every year, these Lilja swimwear are simple, flattering, durable, and feel good.

6. Galamaar

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Galamar is all about making the planet better again while providing the most beautiful luxury swimsuits. They use one of the ocean’s biggest pollutants, old fishing nets, to create the beautiful swimwear that we all love. Since they are made from ECONYL® fabric, these swimsuits are soft, sculpting, and durable.

More than that, this sustainable swimwear brand also focuses on ethical labor practices and high-quality finishes. They pay total attention to each swimsuit so that they are flattering and feels comfortable. So, if you want to explore this summer in retro chic sustainable swimwear, Galamaar is the way to go.

7. Natasha Tonic

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Natasha Tonic is quite different from most sustainable swim brands, even in this guide. Yes, they are sustainable, but they make their fabrics from something most brands overlook: hemp. Yup, you heard that right. Here, these beautiful swimsuits are made from certified organic hemp and cotton blend.

So, they are breathable, plant-based, durable, biodegradable, UV-resistant, and gentle on your skin and the planet. With this sustainable swimwear brand, it’s not just about looking good. Every time you buy swimwear, you’re also helping to restore the marine ecosystem in Bali through Ocean Gardener. So with Natasha Tonic, you’re planting corals in Bali one swimsuit at a time.

8. Midori Bikinis

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Midoris Bikinis is one of the best affordable sustainable swimwear brands that are daring, beautiful, practical, flattering, and durable. They are made from LYCRA® XTRA LIFE™ fabric, so these swimsuits are resistant to the sun, chlorine, and stretch. And with them you can spend a lot of time at the beach and still be covered, cos they block over 90% of the harmful UVA and UVB rays.

This sustainable swimwear brand combines quality fabrics and craftsmanship with minimalist, flattering designs to create these swimsuits. In turn, you get cheeky Brazilian bikinis, classic silhouettes, and daring two pieces that fit like it was made for you. Midoris is not just a sustainable swim brand; it's a community of confident, sun-loving babes who love looking good. 

9. Conscious the Label

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Have you ever worn a swimsuit that makes people wonder, “Where did you get this from?”. That’s how it is wearing swimwear made from Conscious the Label. These swimsuits move with you, flatter your body, glow in the sun, and channel the look of summer completely.

From elegant tones like beige with striped patterns and recycled fabrics, these swimsuits are what you can wear from the mornings at the beach to strolls in the evening. But what truly makes Conscious the Label is their sustainability-first mindset. From their fabrics to their workers, to the sewing, and then the packaging, each is thoughtful, minimal, ethical, sustainable, and plastic-free.

10. Made of Water

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Made of Water is more than just a sustainable swimwear brand; it's a community of cold swimmers that channel freedom, strength, and respect for nature into each swimsuit. These swimsuits are designed to withstand the sun, sea, salt, chlorine and still be durable.

They’re made from ECONYL® regenerated nylon and printed using OEKO-TEX® certified eco-inks, so you know they are good for both you and the planet. And since they’re a sustainable swim brand, their workers also receive fair wages, full health coverage, and share in the company’s profits. More than that, Made of Water also gives back to the community by supporting environmental preservation and women’s education projects.

Conclusion

Each of these sustainable swimwear brands on this list has been reviewed. This means they were chosen based on what is truly important - their commitment to sustainability, ethical work practices, fabric used, quality, durability, and packaging. 

These swimwear brands also create swimsuits that are flattering, stylish, versatile, comfortable, inclusive, and fit. My advice - don’t just choose one cos you want to follow this sustainable swimwear trend, no, choose a swimsuit that will help you protect the planet while still being on top of your style and comfort.