Sustainable Luxury Swimwear
Sea. Sun. Soul.
Our Philosophy
GOTS-certified organic cotton lining. Soft, breathable, and kind to your skin.
Crafted from recycled luxury swim fabric for a lighter impact on the ocean.
Timeless, high-quality pieces designed for longevity, not fast fashion.
Ethically made in small batches, with care for you and the planet.
The Edit
Four sun-soaked edits, each rooted in the spirit of the Italian coast.
Amalfi Accessories
The Finishing Touch
Capri
Sun-Bleached Days
Ischia
Golden Hour
Positano
La Dolce Vita
What They're Saying
“The organic cotton lining is a game-changer. The most comfortable bikini I’ve ever owned — and it looks incredible.”
I.
The String Line
Barely There
Explore the line →II.
The Ruched Line
Textured & Tactile
Explore the line →III.
The Structured Line
Sculpted & Supported
Explore the line →Join Us
10% off your first order. No spam, ever.
The Edit
Four sun-soaked edits, each rooted in the spirit of the Italian coast.
Amalfi Accessories
The Finishing Touch · 2 pieces
Capri
Sun-Bleached Days · 5 pieces
Ischia
Golden Hour · 5 pieces
Positano
La Dolce Vita · 5 pieces
By Style
Three distinct silhouettes, each designed for a different way of wearing the sea.
I.
The String Line
Minimal, tie-side silhouettes in soft, sustainable fabrics. Made to be barely there.
Explore →II.
The Ruched Line
Gathered, textured pieces that move with you. Soft on skin, light on the planet.
Explore →III.
The Structured Line
Supportive, sculpted shapes for those who want coverage without compromise.
Explore →Our Story
Siréna was born from a simple question: why should swimwear — something worn closest to the body, in the ocean, in the sun — be made from plastic?
Most swimwear on the market is made from synthetic fabrics like nylon and elastane, petroleum-based materials that sit against your skin all day and shed microplastics into the sea every time they're washed. We found that unacceptable.
Siréna is built on a different premise. Every piece is crafted from recycled luxury swim fabric and lined with GOTS-certified organic cotton — so nothing harmful touches your body, and nothing unnecessary enters the water. We work in small batches, with makers who care, producing pieces designed to last rather than to be replaced.
Organic Cotton Lining
Every Siréna piece is lined with GOTS-certified organic cotton. Soft, breathable, and completely free from synthetic materials next to your skin.
Recycled Luxury Fabric
Our outer fabrics are made from recycled materials — giving existing resources a second life without compromising on quality.
Small Batch Production
We produce in small batches to avoid overstock and waste. Each piece is made intentionally, not in excess.
Made to Last
Timeless shapes, exceptional construction. Designed to be worn for years, not discarded after a single summer.
Sea. Sun. Soul.