written by
zqshq
Swimsuit season is around the corner, and we’re diving into style with a purpose. Whether you’re lounging by the pool or catching waves, these 11 sustainable one-piece swimsuits deliver on coverage, confidence, and eco-conscious design. Made with recycled materials, ethical production, and timeless silhouettes, you can feel good about what you’re wearing — in more ways than one.
Here’s your guide to the cutest sustainable one-pieces of 2025.
Best for: Sleek design + color blocking
Why we love it: Made from recycled polyamide, this ultra-flattering one-piece is a fan favorite. The one-shoulder cut gives it a fashion-forward vibe without sacrificing support.
Price: $95
🌱 Eco note: Made in WRAP-certified factories with thoughtful packaging.
Best for: Sporty yet chic beach days
Why we love it: Designed and sewn in California, this suit offers full coverage with a high-neck front and sexy open back.
Price: $180
🌱 Eco note: Made from EcoRib — a blend of recycled nylon fibers.
Best for: Classic glamour
Why we love it: With adjustable straps and a flattering V-neck, the Carmela is Reformation’s answer to sustainable sophistication.
Price: $128
🌱 Eco note: Made from ECONYL®, a regenerated nylon made from waste like fishing nets.
Best for: Minimalist vibes
Why we love it: Ethically made in Bali, this minimalist one-piece has medium coverage and is fully lined for comfort.
Price: $110
🌱 Eco note: Made using REPREVE® fabric from recycled bottles.
Best for: Surf and swim adventures
Why we love it: A two-in-one suit that’s made for movement, plus it’s Fair Trade Certified™ sewn.
Price: $129
🌱 Eco note: Recycled nylon from fishing nets and post-consumer materials.
Best for: Athletic coverage + inclusivity
Why we love it: This gender-inclusive brand delivers on fit, support, and inclusive sizing (XS-6X).
Price: $99
🌱 Eco note: Made from OEKO-TEX® certified recycled fabrics.
Best for: Statement style + bold details
Why we love it: With a front zip and eco-sleek silhouette, it’s giving fashion and function.
Price: $160
🌱 Eco note: Made from Amni Soul Eco®, a biodegradable nylon.
Best for: Classic cuts with a twist
Why we love it: This collab serves up retro-inspired cuts with planet-positive impact.
Price: $98
🌱 Eco note: Made using recycled nylon and packaged with recycled materials.
Best for: Everyday beach hangs
Why we love it: Full coverage and subtle details make this one-piece easy to wear all summer long.
Price: $95
🌱 Eco note: Each suit removes 10+ plastic bottles from the ocean.
Best for: One-size-fits-many
Why we love it: This stretchy ribbed swimsuit fits sizes 2–14 — seriously. No digging, no pinching, just comfort.
Price: $139
🌱 Eco note: Ethically made in the UK with low-waste production.
Best for: Empowered elegance
Why we love it: Designed by women for women, this suit combines sculpting structure with sleek lines.
Price: $150
🌱 Eco note: Made in a London studio using ECONYL® and sustainable dyes.
Sustainable swimwear doesn’t mean you have to compromise on style. With these 11 one-piece wonders, you’ll find flattering coverage and a commitment to the planet. Dive in, guilt-free — the future of fashion is green and glowing.
