Ethical Swimwear Brands

Oioba is a Porto, Portugal–based swimwear brand, founded in 2016. The label emphasizes ethical, sustainable fashion, producing bikinis and one-pieces from eco-friendly fabrics. Oioba collections feature minimalist designs, muted tones, and versatile cuts, reflecting a modern European sensibility. The brand prioritizes slow fashion, small-scale production, and transparent practices to ensure responsible consumption. Oioba appeals to women who want timeless, understated swimwear crafted with care and respect for the environment. What makes the brand unique is its strong commitment to sustainability paired with minimalist design—creating pieces that last across seasons rather than chasing fleeting trends.

Indi Maya Swim is a Costa Rica–based swimwear brand, inspired by tropical living and sustainability. The label produces bikinis and one-pieces that highlight vibrant prints, earthy tones, and modern silhouettes. Indi Maya emphasizes eco-conscious practices, often using sustainable fabrics and small-batch production to minimize environmental impact. Its collections celebrate Costa Rica’s natural beauty, reflecting the country’s coastal lifestyle and connection to nature. What makes the brand distinctive is its combination of tropical inspiration and sustainability, creating swimwear that feels fresh, vibrant, and environmentally responsible.

Ookioh is a Los Angeles–based sustainable swimwear brand, founded in 2018 by Vivek Agarwal. Inspired by vintage aesthetics, the label produces bikinis and one-pieces with bold colors, retro silhouettes, and minimalist styling. Ookioh is committed to eco-conscious fashion, using fabrics made from recycled ocean waste such as discarded fishing nets. Its designs are playful yet timeless, appealing to women who want swimwear that balances fun, nostalgia, and responsibility. The brand also emphasizes inclusivity, producing a wide range of fits and sizes. What makes Ookioh unique is its mix of vintage-inspired design with sustainability—offering fashionable swimwear that nods to the past while being mindful of the future.

Vincija Swim is a Gold Coast, Australia–based swimwear brand, founded in 2016 by designer Vincija. The label specializes in handmade, custom swimwear, offering bikinis and one-pieces made to order. Customers can personalize their choices with different cuts, colors, and fabrics, making each piece unique. Vincija Swim emphasizes body confidence and inclusivity by allowing women to tailor designs to their preferences. Its collections are known for bold colors, cheeky cuts, and versatile designs that reflect Australia’s vibrant beach culture. What makes Vincija Swim distinctive is its handmade, customizable model, setting it apart from mass-produced swimwear brands.

Vengeance Bikinis is a Texas-based swimwear brand, founded in 2017 by Terann Hilow. The label specializes in bold, daring swimwear designed to make a statement, producing bikinis and one-pieces with cheeky fits, vibrant prints, and modern cuts. Vengeance emphasizes individuality and empowerment, encouraging women to embrace their confidence through fashion. Its collections often lean into edgy, playful designs that reflect personality as much as style. The brand appeals particularly to women seeking swimwear that stands out at festivals, pool parties, and tropical getaways. What makes Vengeance Bikinis distinctive is its unapologetically bold identity—it celebrates risk-taking and freedom of expression in every collection. With its boutique, fashion-forward aesthetic and strong online presence, Vengeance Bikinis has built a loyal following.

Tona The Label is a contemporary swimwear brand, founded in 2023 by designer Tona Stell. Based on a philosophy of modern simplicity, the brand produces bikinis and one-pieces that emphasize clean lines, flattering cuts, and versatile styling. Its collections highlight minimal palettes and sustainable production practices, appealing to women who want timeless yet fashion-forward designs. Tona The Label operates as a boutique brand, producing in small runs to prioritize exclusivity and craftsmanship. By focusing on slow fashion, the brand ensures quality and responsible consumption, steering away from trend-driven overproduction. What makes Tona The Label unique is its fresh, emerging voice—offering pieces that balance modernity with elegance.

Talia Collins is a London-based luxury swimwear brand, founded in 2018 by former Vogue stylist Talia Collins. The label is known for its sustainable approach, producing bikinis and one-pieces crafted exclusively from ECONYL regenerated nylon, made from recycled fishing nets and ocean waste. Its designs reflect timeless minimalism, with clean lines, neutral palettes, and a focus on fit. Talia Collins emphasizes slow fashion, offering made-to-order swimwear to minimize waste and extend product life. Beyond fashion, the brand integrates a philanthropic mission by donating a percentage of each purchase to environmental charities supporting ocean conservation. What makes Talia Collins distinctive is its holistic vision—sustainability is not just a material choice but a core brand philosophy. By merging high-fashion styling with eco-conscious responsibility, the brand appeals to women who want refined, minimalist swimwear that also contributes to positive change.

Underprotection is a Copenhagen, Denmark–based sustainable fashion brand, founded in 2010 by Sunniva Uggerby and Stephan Rosenkilde. The label produces lingerie, loungewear, and swimwear crafted from eco-friendly materials such as recycled polyester and organic cotton. Its swimwear collections emphasize Scandinavian minimalism, featuring clean lines, soft palettes, and timeless cuts. Underprotection is widely recognized for combining style, ethics, and responsibility. What makes the brand unique is its holistic sustainability model—from fabrics to packaging—paired with chic, fashion-forward design.