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8 stylish and sustainable swimwear brands that are worth a purchase

Julia Webb
·4-min read

Our team is dedicated to finding and telling you more about the products and deals we love. If you love them too and decide to purchase through the links below, we may receive a commission. Pricing and availability are subject to change.

In The Know is proud to celebrate sustainable businesses during the month of April. During In The Know’s Sustainability Month, our team will highlight sustainable products you should know. We encourage you to support today — and beyond.

There is no shortage of cute styles to add to your summer wardrobe when it comes to swimwear. But not all of your favorite brands are necessarily kind to the earth. 

Below, shop eight sustainable swimwear brands that utilize recycled materials to make their beautiful designs come to life. The earth will thank you!


Why it’s great: OOKIOH’s beautiful designs are created with 100 percent regenerated materials. The brand is also on a mission to eliminate plastics from its footprint over the next two years.

What to shop: The brand’s Waikiki one-piece features a bustier top, a peek-a-boo back and is available now in sizes XS to CL.

OOKIOH Waikiki one-piece, $98

Credit: OOKIOH
Credit: OOKIOH

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2. Vitamin A

Why it’s great: Vitamin A uses EcoLux to create its beautiful designs. EcoLux is “the first premium swim fabric made from recycled nylon fibers.” Also, all of its materials are “certified to meet the global Oeko-Tex standard for safe textiles.”

What to shop: If you are a surfer or just looking for extra sun protection, the Remy Rashguard is a perfect pairing with your favorite bikini bottoms or one-piece.

Vitamin A Remy Rashguard, $160

Credit: Vitamin A
Credit: Vitamin A

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3. Outerknown

Why it’s great: 90 percent of the fibers that Outerknown sources are “organic, recycled or regenerated.” The brand also sells Seea swimwear, which offers repairs and recycling for all of its suits. 

What to shop: Like two suits in one, the Seea Brasilia Reversible Bikini Top and Bottom can be worn to show off its floral print or its solid cream side.

Seea Brasilia Reversible Bikini Top and Bottom, $80 each

Credit: Seea
Credit: Seea

Buy Bikini Top

Buy Bikini Bottom


Why it’s great All of FISCH’s swimwear utilizes ECONYL®, “a 100 percent regenerated nylon fiber made from ghost fishing nets and other nylon waste.”

What to shop: FISCH’s Grenadins White Seahorse Top and Public White Seahorse Bottom styles both run true to size and have the sweetest seahorse print.

FISCH Grenadins White Seahorse Top and Public White Seahorse Bottom, $149 and $115

Credit: FISCH
Credit: FISCH

Buy Bikini Top

Buy Bikini Bottom

5. Summersalt

Why it’s great: Summersalt’s swimwear is “made from a luxurious fabric that is crafted from 78 percent recycled polyamide.” The brand also uses poly bags for shipping its items; these bags are made from recycled materials.

What to shop: The brand’s very popular and inclusive Sidestroke one-piece comes in 12 different colors and sizes 0 through 24.

The Sidestroke, $95

Credit: Summersalt
Credit: Summersalt

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6. prAna

Why it’s great: All of prAna’s swimwear is “designed with ECONYL® regenerated nylon and made by our Fair Trade Certified Factory partners.”

What to shop: prAna’s designs are sporty, functional and fashionable. The Marina One Piece was made for those with larger chests looking for extra support in their swimwear. 

prAna Marina One Piece, $100

Credit: prAna
Credit: prAna

7. Dippin' Daisys

Why it’s great: 95 percent of the brand’s swimsuits are made from recycled pre- and post-consumer nylon. Plus, Dippin' Daisys' “production process is [a] low carbon [practice] and environmentally friendly.” 

What to shop: Known for their punchy prints, inclusive sizing and affordable price points, Dippin' Daisys’ Charisma Top and Astro Bottoms in the ‘Psychedelic Daze’ shade combine many trends in one pairing.

Dippin' Daisys Charisma Top and Astro Bottoms, $44 and $42

Credit: Dippin' Daisys
Credit: Dippin' Daisys

8. Galamaar

Why it’s great: All of Galamaar’s stunning products are made from “environmentally sound fabrics and proudly produced in Los Angeles, CA.”

What to shop: If you love a vintage vibe, Galamarr’s Simone Retro Top and High Bottom are a match made in heaven and are both made of 88 percent recycled Econyl® and 22 percent Spandex.

Galamarr Simone Retro Top and High Bottom, $158 and $124

Credit: Galamaar
Credit: Galamaar

Buy Bikini Top

Buy Bikini Bottom

Calling all shopaholics! Don’t miss In The Know Live: Deals every Wednesday at 1 p.m. EST/10 a.m. PST, where our shopping expert reveals the week’s best sales and deals you don’t want to miss.

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