White Bikinis

The good news is that white is one of the most versatile swimwear colours there is — it’s less about body type and more about finding the cut that makes you feel comfortable and confident.
If you want more coverage across the hips and stomach, high-waisted white bikini bottoms are an excellent starting point. The higher rise creates a longer leg line and a smooth, flattering silhouette that works across a wide range of shapes. Pair with a matching white bandeau or underwire top for a cohesive, put-together look.
If you have a fuller bust, structured tops are your friend — underwire styles or moulded-cup bandeaus give you proper lift and support, and they hold their shape in the water better than soft-cup options, which matters in a light colour. Make sure to check the size chart on the product page for cup sizing guidance, as this makes a real difference to both fit and comfort.
If you prefer minimal coverage and a more relaxed feel, triangle tops with adjustable ties let you customise the fit precisely to your shape, and they look beautiful in white. For the bottom half, cheeky cuts in a fully lined, substantial fabric work brilliantly — the clean colour makes even a bold cut look effortless rather than overdone.
If you’re somewhere in between and not sure where to start, a classic triangle top with mid-rise bottoms is a reliable foundation that suits most body types well.

This is the question most people ask before buying a white bikini, and it’s a completely fair concern. The honest answer is that it depends almost entirely on the fabric weight and whether the style is properly lined.
A single-layer, lightweight fabric in white will almost certainly become sheer when wet — this is true of any brand, not just swimwear. A heavier, four-way-stretch fabric with a sewn-in lining is a completely different story. The lining adds opacity, the thicker construction holds its structure in water, and the result is a bikini you can actually swim in confidently.
When shopping online, look for styles described as “fully lined” in the product description — that phrase is your clearest indicator of opacity. It’s also worth checking for fabric composition: nylon-spandex or polyester-spandex blends tend to perform better than thinner options.
At Sunset and Swim, all swimwear is made with quick-dry, four-way-stretch fabric that is designed to hold its shape, colour, and opacity whether you’re in the pool, the sea, or just lying in the sun. It’s one of the things we hear about most in customer feedback — people are pleasantly surprised by how well the fabric performs in white, even after a full day of swimming.

White bikinis need a slightly more considered care routine than coloured swimwear, but it’s not complicated once you know the basics.
The most important step is rinsing immediately after swimming. Chlorine and sun cream are the two biggest causes of yellowing and discolouration in white fabric, and the longer they sit in the fibres, the harder they are to shift. A thorough rinse in cold fresh water straight after you get out of the water makes a significant difference to how the bikini looks over time.
For washing, always hand wash in cool water with a small amount of gentle detergent — something specifically designed for delicates or swimwear works best. Avoid anything containing bleach or optical brighteners, even if it’s marketed as a “whitening” product. Bleach breaks down elastic and weakens the fabric; optical brighteners can cause an uneven, patchy appearance over time.
When it comes to drying, lay the bikini flat in the shade rather than wringing it out or tumble drying. Direct sunlight does cause some fibre degradation even in UV-resistant swimwear fabrics, so shade drying is always the better option. Never hang by the straps to dry — this stretches them out of shape over time.
Follow this routine consistently and a good-quality white bikini will stay looking clean and bright for a long time.

Fabric choice matters more in white bikinis than in almost any other colour, because the material determines everything — opacity, shape retention, durability, and how the bikini performs in and out of the water.
The best fabrics for white bikinis are nylon-spandex and polyester-spandex blends with four-way stretch. Four-way stretch means the fabric moves with you in every direction — across and along the grain — so it returns to its original shape after swimming rather than sagging or stretching out. This is particularly important in white, because a stretched or saggy fabric will show far more than a structured one.
Look for a fabric weight that has some body to it rather than feeling thin or lightweight in the hand. Thicker fabrics are almost always more opaque. A sewn-in lining is the other thing to look for — this adds an additional layer of opacity and means the bikini holds its shape and coverage even when saturated.
Quick-dry fabric is worth prioritising if you plan to wear the bikini all day. A bikini that stays damp for hours after swimming is uncomfortable and also more prone to developing mildew or odour over time.
At Sunset and Swim, every piece is made with a quick-dry, four-way-stretch fabric that ticks all of these boxes — it holds its colour, shape, and opacity through repeated wear, washing, and exposure to chlorine and salt water.

Absolutely — and this is an area where it’s worth being specific about what to look for, because not all supportive styles are created equal.
For larger busts, the priority is structure. Underwire white bikini tops are the most reliable option — they give you the lift and shape of a proper bra while still looking like a swimsuit, and they hold their silhouette in the water rather than shifting around. Look for styles with fully adjustable straps, a wide underband that sits firmly against the ribcage, and adjustable cup coverage so you can find the right fit.
Moulded-cup bandeau styles can also work well for fuller busts if they’re properly structured with internal boning or underwire. The key difference from a standard bandeau is that there’s real support built in rather than relying on the band alone to hold everything in place. These styles give you the clean, minimal aesthetic of a bandeau without the security concerns that come with a soft-cup version in a lighter colour.
Halterneck tops are another supportive option — the neck tie takes some of the weight and gives you adjustability at the top of the cup. For the bottom half, higher-waisted styles tend to feel more comfortable and secure across the hips when paired with a more structured top.
Always use the size chart on the product page as your starting point — it gives actual measurements for both band and cup sizing, which makes a real difference when ordering swimwear online.

High-waisted white bikini bottoms are consistently the most searched-for style, and that’s not showing any signs of changing. The higher rise is flattering across a wide range of body shapes, provides more coverage than a standard brief, and has a classic, timeless look that doesn’t date. They work with almost every top style — bandeau, triangle, underwire, ruffle — so they’re a genuinely versatile buy.
Cheeky white bikini bottoms are also very popular, particularly in fully lined, heavier fabrics where the coverage question isn’t a concern. The contrast of a bolder cut against the clean white colour is part of the appeal — it looks effortless rather than overdone when the fabric is right.
Full coverage bottoms have grown steadily in popularity too, particularly among people who want something they can swim in comfortably without thinking about coverage at all. These sit higher at the back and broader across the front, and in white they’re the most practical choice for an active beach day.
Thong and minimal-coverage styles in white are very much a style choice rather than an everyday recommendation — they look stunning in the right setting, but fabric quality and lining matter even more in this cut, so it’s worth paying attention to construction details before buying.

White bikinis for bachelorette trips and bridal beach holidays have become a whole category of their own, and honestly, it makes complete sense — a beach trip is one of the few occasions where you genuinely have a reason to wear something a little more special.
For a bridal or bachelorette feel, look for white bikinis with elevated details: pearl hardware, shell trim, delicate lace edging, or gold ring and chain details. These small additions give the bikini an occasion-worthy quality without being over the top, and they photograph beautifully. A structured underwire top with pearl hardware and high-waisted bottoms is a particularly popular combination for bridal swimwear — polished, feminine, and genuinely comfortable for a full day at the beach.
If you want something more minimal but still elevated, a white triangle top with a simple gold clasp or ring detail paired with matching high-waisted bottoms has a clean elegance that works equally well for a bachelorette beach day and a regular holiday.
These styles aren’t limited to bridal occasions at all, of course — the same details that make them feel special for a bachelorette trip make them a beautiful choice for any beach holiday where you want to feel a bit more dressed-up than usual.

Yes — free worldwide shipping is included on every order at Sunset and Swim, with no minimum spend. It doesn’t matter how much you order or where you are in the world; shipping is free.
On sizing: the size chart on each product page gives you actual body measurements to compare against, which is the most reliable way to choose your size when ordering swimwear online. If you’re between sizes or unsure, the size chart notes will help you decide which way to go based on your preference for fit — some styles suit a closer fit, others work better with a little more room.
And if the fit or shade isn’t right when it arrives, there’s a money-back guarantee. Shopping for white swimwear online can feel like a leap of faith, but it doesn’t have to — if it doesn’t work for you, it’s straightforward to sort out.