Sustainable String Bikinis for Endless Summer Days

Our string bikinis are designed for women who want the perfect balance of style, adjustability, and comfort. Whether you’re soaking up the sun, catching a wave, or lounging by the pool, these bikinis adapt to your body and your lifestyle.

Every women’s string bikini in our collection is made from luxurious Italian recycled fabric that’s soft, durable, and resistant to the elements. With UPF 50+ sun protection, you’ll enjoy the freedom to stay outdoors longer, knowing your skin is shielded from harmful UV rays.

String Bikini

String Bikini Bottoms | The Gili

Regular Price: $59.00 USD

Sale Price: $59.00 USD
Regular Price

Unit Price: per

Triangle Bikini Top | The Gili

Regular Price: $55.00 USD

Sale Price: $55.00 USD
Regular Price

Unit Price: per

Unlike fast-fashion bikinis that lose their shape after a few wears, our sustainable string bikinis are built to last — retaining their colour, fit, and comfort season after season. The tie-side design gives you the flexibility to adjust your fit on the go, while our seamless, double-lined construction ensures a smooth, flattering look from every angle.

From surf-ready string bikinis that won’t let you down in the water to minimalist tie-side bikinis perfect for tanning, this collection has something for every beach day. Each piece is ethically handmade in Bali, supporting fair wages and responsible manufacturing, so you can feel good about every wear.

Find your perfect string bikini and experience the comfort, style, and sustainability that Ocean Soul Swimwear is known for.

Fave kini

I have this bikini set in mocha brown and I cannot wear it enough! The fit and cut is so flattering, I love the color and the material is so soft. The strings don’t “cut” in like other similar bikinis. The material is so soft and so well constructed it just lays on the skin. One of my most comfortable bikinis! Also works great to surf in and free dive!

Georgina

Triangle Bikini Top | The Gili

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Why Choose Our String Bikinis?

A string bikini might seem like a simple design, but the right one can completely transform how you feel at the beach. Our bikinis are designed to give you adjustability and style without sacrificing quality or performance.
Customise your fit with tie sides and halter neck straps for comfort and security.
Double-lined fabric offers coverage and a smooth silhouette that stays in place.
Premium Italian recycled fabric is soft on your skin and gentle on the planet.
Built-in sun protection keeps your skin safe during long days outdoors.
Perfect for mixing and matching with any of our bikini bottoms or rash vests.

Performance Meets Style

Our string bikinis are designed for women who want freedom of movement and timeless style. They’re surf-tested to ensure they won’t shift during active water sports, but they’re also light, breathable, and perfect for relaxed sunbathing.

Tested in the waves to ensure minimal movement and maximum comfort.

Designed for both saltwater and pool wear without losing shape or colour.

Move from beach to bar without feeling damp or weighed down.

Sustainability Without Compromise

Ocean Soul Swimwear is committed to creating eco-friendly string bikinis that are as sustainable as they are stylish.

Made from ECONYL® regenerated nylon sourced from ocean waste like fishing nets.

We avoid overproduction to reduce waste.

Handmade in Bali by skilled artisans earning fair wages.

By choosing a sustainable string bikini, you’re making a choice that’s better for the planet and for the people who make your swimwear.

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Ways to Wear Your String Bikini

A string bikini isn’t just for the beach — it’s a staple you can style your way, no matter the occasion.

Wear your string bikini under a loose linen shirt or kaftan for a laid-back, resort-ready style.

Pair your top with our surf leggings or high-waisted bottoms for extra coverage when paddle boarding, kayaking, or diving.

Swap your cover-up for a flowing maxi skirt and layer simple gold jewellery for a sunset-ready outfit.

SHOP OUR SUSTAINABLE SWIM & ACCESSORIES

Beach & Resort Wear

Womens surf swimwear | Ocean State of Mind

Women's Bikini's

Beach Accessories

One Piece Swimsuits

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