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Triangle Bikinis

There is something almost elemental about the triangle bikini top. The gentle tension of a tied knot, the soft drape of fabric against warm skin, the way the silhouette frames a décolletage with understated elegance - it is one of those rare pieces of swimwear that manages to feel both effortless and considered at the same time. At Simply Beach, our triangle bikini tops are sourced from the designer brands we trust most, chosen for their quality, their craftsmanship, and their ability to make...
There is something almost elemental about the triangle bikini top. The gentle tension of a tied knot, the soft drape of fabric against warm skin, the way the silhouette frames a décolletage with understated ...

There is something almost elemental about the triangle bikini top. The gentle tension of a tied knot, the soft drape of fabric against warm skin, the way the silhouette frames a décolletage with understated elegance - it is one of those rare pieces of swimwear that manages to feel both effortless and considered at the same time. At Simply Beach, our triangle bikini tops are sourced from the designer brands we trust most, chosen for their quality, their craftsmanship, and their ability to make you feel genuinely fabulous from the moment you put them on.

Triangle Bikini Tops and the Art of the Perfect Fit

One of the most common misconceptions about triangle bikini top styles is that they are a one-size-fits-all proposition. The reality is far more nuanced - and far more exciting. The triangle silhouette has evolved enormously, and today's collection spans everything from the classic tie-side construction to carefully structured padded triangle bikini designs that offer genuine lift and support without sacrificing that signature clean line.

For those who prefer a more supportive fit, our padded bikinis include triangle styles with moulded cups that create a beautifully rounded shape, ideal for smaller busts or anyone who simply wants a little more structure in their swimwear. And for those who love to customise their fit, the adjustable ties on a tie triangle bikini mean you can control the coverage and the look with absolute precision.

Triangle Bikini Sets Worth Falling in Love With

When a bikini top and bottom are designed to work together, the result is something genuinely special - and our triangle bikini sets are no exception. From the sun-drenched warmth of Sea Level and ViX Swimwear to the understated glamour of Seafolly's coordinated separates, the pieces in this collection are chosen to look and feel extraordinary whether worn as a coordinated set or mixed thoughtfully with other styles.

Pairing a triangle bikini set with complementary beach layers is one of the most satisfying things you can do with your holiday wardrobe. Here is how we recommend making the most of yours:

  • Layer with a kaftan or beach dress - A fluid kaftan over a triangle top creates an effortlessly chic beach-to-bar look. The open neckline of a triangle top means it peeks beautifully beneath lightweight cover-ups without feeling hidden.
  • Style with a sarong - A sarong tied at the hip adds movement and elegance, complementing the flowing quality of a tie bikini top and creating a cohesive, resort-ready silhouette.
  • Mix with high-waist bikini bottoms - Pairing a triangle top with a higher-rise bottom is a brilliant way to balance proportions, drawing attention upward and creating a flattering, elongated line for curvy figures and athletic shapes alike.
  • Add structured beach trousers - Beach trousers in a neutral tone ground the delicacy of a string triangle top, making it wearable for outdoor lunches and sunlit terraces where you want to feel polished as well as relaxed.

String Bikini Tops and Triangle Swimwear for Every Occasion

The appeal of string bikini tops is their extraordinary versatility. Whether you are spending a languid afternoon by the pool, exploring a new coastline on holiday, or simply making the most of a warm weekend at home with a garden hot tub, a well-chosen triangle top is the kind of piece that earns its place in your collection season after season.

Our triangle swimwear spans an impressive range of colourways, from the coastal freshness of blues and whites to richer, more dramatic prints and metallics. Lenny Niemeyer is a wonderful example of how this silhouette works equally well in softer, romantic tones as it does in bolder statement prints. If you are drawn to the understated, a classic tie bikini top in a deep shade pairs beautifully with our bikinis collection for further inspiration across styles and brands.

For those who prefer to mix and match rather than shop by set, our bikini tops and tie side bikini bottoms pages are the ideal place to begin building a wardrobe of perfectly coordinated separates.

What Makes Our Triangle Bikini Collection Different

At Simply Beach, we have been sourcing and curating designer swimwear for nearly 25 years, and that experience shapes every decision we make when selecting our string bikini top and triangle styles. We do not simply add to our range - we hand-pick each piece for its construction, its fabric quality, and its ability to look as beautiful on the fifth wear as it does on the first.

Our bikini triangle styles are drawn from the brands we know and trust - labels with genuine expertise in swimwear design and a commitment to quality that is evident in every detail. We also stock a broad range of cup-sized options for those who need more structured support, and our team is always available by phone or email to offer personalised fit advice specific to each brand we carry. If you are unsure which style will work best for your shape, we are here to help you get it right first time.

For those who love a fuller range of one-piece alternatives to explore alongside their bikini choices, our swimsuits collection offers the same level of curation and care. And if coverage is a consideration, our longer-length swimwear offers elegant options that sit beautifully alongside our triangle styles in a complete beach wardrobe.

The right triangle bikini top is not just a piece of swimwear - it is the beginning of a feeling. The confidence of knowing your silhouette is exactly right. The pleasure of fabric that holds its shape through every wave and every sunlit afternoon. That is what we are always looking for, and that is what we hope you will find here.

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Seychelles Longline Slide Tri Bikini Top - Azure Blue - Simply Beach UK
 
Seychelles Longline Slide Tri Bikini Top - Azure Blue - Simply Beach UK
Seychelles Longline Slide Tri Bikini Top - Azure Blue - Simply Beach UK
Sale
Jo Severin Nora Slide Halter Bikini Top - Midnight
 
Jo Severin Nora Slide Halter Bikini Top - Midnight
Jo Severin Nora Slide Halter Bikini Top - Midnight
Sale
Nora Slide Halter Bikini Top - Sky - Simply Beach UK
 
Nora Slide Halter Bikini Top - Sky - Simply Beach UK
Nora Slide Halter Bikini Top - Sky - Simply Beach UK
Sale
Jo Severin Nora Slide Halter Bikini Top - Lemon
 
Jo Severin Nora Slide Halter Bikini Top - Lemon
Jo Severin Nora Slide Halter Bikini Top - Lemon
Sale
Viva Energy Triangle Bikini Top - Denim Dose - Simply Beach UK
 
Viva Energy Triangle Bikini Top - Denim Dose - Simply Beach UK
Viva Energy Triangle Bikini Top - Denim Dose - Simply Beach UK
Sale
Denim Cues Tassel Tri Bikini Top - Simply Beach UK
 
Denim Cues Tassel Tri Bikini Top - Simply Beach UK
Watercult Denim Cues Tassel Tri Bikini Top
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Sienna Slide Tri Bikini Top - Celery - Simply Beach UK
 
Sienna Slide Tri Bikini Top - Celery - Simply Beach UK
Sienna Slide Tri Bikini Top - Celery - Simply Beach UK
Sale
Colorsun Rubo Bikini Top - Aqua - Simply Beach UK
 
Colorsun Rubo Bikini Top - Aqua - Simply Beach UK
Colorsun Rubo Bikini Top - Aqua - Simply Beach UK
Sale
Sea Level Tropaluxe Chain Link Longline Tri Bikini Top - Khaki - Simply Beach UK
 
Sea Level Tropaluxe Chain Link Longline Tri Bikini Top - Khaki - Simply Beach UK
Sea Level Tropaluxe Chain Link Longline Tri Bikini Top - Khaki - Simply Beach UK
Seafolly Coastline Slide Tri Bikini Top - Black - Simply Beach UK
 
Seafolly Coastline Slide Tri Bikini Top - Black - Simply Beach UK
Seafolly Coastline Slide Tri Bikini Top - Black - Simply Beach UK
ViX Paula Hermanny Firenze Jolie Tri Bikini Top - Marigold - Simply Beach UK
 
ViX Paula Hermanny Firenze Jolie Tri Bikini Top - Marigold - Simply Beach UK
ViX Paula Hermanny Firenze Jolie Tri Bikini Top - Marigold - Simply Beach UK
Sale
Noelani Nuco Triangle Bikini Top - Simply Beach UK
 
Noelani Nuco Triangle Bikini Top - Simply Beach UK
Noelani Nuco Triangle Bikini Top - Simply Beach UK
Candycrush Yero Triangle Bikini Top - Simply Beach UK
 
Candycrush Yero Triangle Bikini Top - Simply Beach UK
Candycrush Yero Triangle Bikini Top - Simply Beach UK
Coastal Daydream Triangle Bikini Top - White Scallop - Simply Beach UK
 
Coastal Daydream Triangle Bikini Top - White Scallop - Simply Beach UK
Coastal Daydream Triangle Bikini Top - White Scallop - Simply Beach UK
Sale
Jetset Lien Triangle Bikini Top - Black - Simply Beach UK
 
Jetset Lien Triangle Bikini Top - Black - Simply Beach UK
Jetset Lien Triangle Bikini Top - Black - Simply Beach UK
Sea Dive Slide Tri Bikini Top - Jasmine Green - Simply Beach UK
 
Sea Dive Slide Tri Bikini Top - Jasmine Green - Simply Beach UK
Sea Dive Slide Tri Bikini Top - Jasmine Green - Simply Beach UK
Sale
Oasis Slide Tri Bikini Top - Atoll - Simply Beach UK
 
Oasis Slide Tri Bikini Top - Atoll - Simply Beach UK
Oasis Slide Tri Bikini Top - Atoll - Simply Beach UK
Sale
Marseille Essential Triangle Bikini Top - Simply Beach UK
 
Marseille Essential Triangle Bikini Top - Simply Beach UK
Marseille Essential Triangle Bikini Top - Simply Beach UK
Sale
Under the Sea Longline Tri Bikini Top - White - Simply Beach UK
 
Under the Sea Longline Tri Bikini Top - White - Simply Beach UK
Under the Sea Longline Tri Bikini Top - White - Simply Beach UK
Sale
Scallop Halter Slide Tri Bikini Top - Cobalt - Simply Beach UK
 
Scallop Halter Slide Tri Bikini Top - Cobalt - Simply Beach UK
Scallop Halter Slide Tri Bikini Top - Cobalt - Simply Beach UK
Cave Paula Tri Bikini Top - Blue - Simply Beach UK
 
Cave Paula Tri Bikini Top - Blue - Simply Beach UK
Cave Paula Tri Bikini Top - Blue - Simply Beach UK
Sale
Majorelle Triangle Bikini Top - Oriental Horizon Blue - Simply Beach UK
 
Majorelle Triangle Bikini Top - Oriental Horizon Blue - Simply Beach UK
Majorelle Triangle Bikini Top - Oriental Horizon Blue - Simply Beach UK
Sale
Tropica Longline Tri Bikini Top - Jade - Simply Beach UK
 
Tropica Longline Tri Bikini Top - Jade - Simply Beach UK
Tropica Longline Tri Bikini Top - Jade - Simply Beach UK
Sale
Mesh Effect Slide Tri Bikini Top - Chilli Red - Simply Beach UK
 
Mesh Effect Slide Tri Bikini Top - Chilli Red - Simply Beach UK
Mesh Effect Slide Tri Bikini Top - Chilli Red - Simply Beach UK

Frequently Asked Questions

Are triangle bikini tops supportive enough for a larger bust?

It depends on the style. Our collection includes padded and structured triangle tops with moulded cups that offer genuine lift and shape, not just a classic tie. We'd recommend exploring our underwired or thicker-strap options too — and if you're unsure, drop us an email or call us for personal fit advice.

Which triangle bikini top styles suit curvy figures?

Curvy figures tend to look wonderful in padded triangle tops with adjustable ties, as they allow a custom, flattering fit. Wider fabric triangles with tie-back closures offer great coverage and definition. We hand-pick styles from brands that cut specifically for shape, so you'll find genuinely supportive options throughout this collection.

Which designer brands offer the best triangle bikini tops?

We stock triangle styles from some of our most trusted names, including Seafolly, Watercult and Melissa Odabash — each bringing a distinct approach to fabric, colour and construction. Our buyers select only styles that meet our quality standards, so every triangle top in this collection has been chosen with real care.

Can I adjust a triangle bikini top for the right fit?

Yes — that's one of the great strengths of the triangle silhouette. Most styles feature fully adjustable ties at the neck and back, so you can customise the lift, coverage and tension to suit your shape perfectly. Some padded styles also have removable inserts, giving you even more flexibility across different looks and occasions.

How should I care for my triangle bikini top to make it last?

Quality swimwear lasts when treated well. We recommend hand-washing in cool water with a gentle detergent after each wear, avoiding wringing or tumble drying. Keep it away from prolonged sun exposure when not being worn, and never leave it damp in a bag. Proper care keeps the fabric, elasticity and colour looking their best season after season.