Plus Size Bikinis & Tankinis

Plus Size Bikinis & Tankinis

It's time to bring out the bikinis and tankinis! Bonmarché's range of plus size ladies bikinis and tankinis - in sizes 18-28 - are designed to fit and flatter, and provide great support. We have the perfect bikini for you.
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32 products found
  • Make your next holiday even more exciting with this vibrant foil detail tankini. The chest area features a bold floral print and contrasts against the plain middle section. Complete with tummy control, this piece is designed to help flatter your figure. A knot adds a little extra detail, while the adjustable shoulder straps make sure the item fits perfectly.
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  • Whether you are working on your backstroke or topping up your tan, these swim shorts are a true summer essential. They come in a comfortable and stretchy swim fabric and provide plenty of coverage over your stomach and back. Subtle ruching down the sides helps to flatter your figure: perfect for boosting your beach confidence. In a versatile block hue, they are easy to match with plain or patterned swim tops.
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  • Whether you are working on your backstroke or topping up your tan, these swim shorts are a true summer essential. They come in a comfortable and stretchy swim fabric and provide plenty of coverage over your stomach and back. Subtle ruching down the sides helps to flatter your figure: perfect for boosting your beach confidence. In a versatile block hue, they are easy to match with plain or patterned swim tops.
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  • Update your holiday wardrobe with this flattering wrap bikini set in bold and zesty colours. The top features a colour block wrap detail to the front, moulded underwire cups and has detachable straps to avoid any unwanted tan lines. Paired with a high waist brief with co-coordinating wrap detail.
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  • If you are taking a trip to the tropics, add this bikini top to your suitcase. It has a classic all-over snake print with a modern twist: a fresh blue hue that will perfectly match the glittering pool or ocean. It comes with detachable straps, so you can wear it halterneck style for added support. To avoid tan lines, take the straps off and wear it as a bandeau piece. Complete your holiday look with the matching bikini bottoms.
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  • Go bold with your holiday swimwear and slip on these printed bikini bottoms. They have an intricate all-over snake print in cool blue and white hues that perfectly match the ocean waves. In a high-waisted cut, they give you plenty of coverage and even have a tummy control lining to help smooth your silhouette. A ruched panel at the front offers a confidence boost, too. Add the coordinating bikini top for an easy poolside look.
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  • This bikini top is designed with lightly padded cups to give a gentle uplift and an overall smooth silhouette. The twist front detail adds a feminine touch and the contrast neon trims compliment the stylish leopard print, whilst the over the shoulder adjustable straps ensure a perfect fit.
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  • Slip into the pool feeling fabulous in this halterneck bikini top, which is available exclusively online. Sprinkled with all-over polka dots on a navy base, this piece is sure to become your summer staple: just add the matching bikini bottoms for a coordinated look. With a deep V neckline which crosses over at the front in a knot, it elegantly frames your curves while still providing plenty of support. Adjust the strap at the back of your neck to achieve the perfect fit before taking a dip.
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  • Our standard high waist brief has had a contemporary update with contrast neon trims to compliment the ruched front detailing of this classic style. With full front lining these have been designed to not only flatter but give a modest and feminine look.
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  • High waist brief in a classic nautical navy and white stripe print. Featuring a flattering ruched side panel and front seams along with full front and back lining ensuring a modest, comfortable and stylish fit.
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  • Specifically designed to flatter the figure, these bikini briefs make beach days all the more enjoyable. They have a high-waisted cut and a panelled ruffle detailing at the middle to smooth your shape. The bold florals feel fresh and fun, and they are brought to life by the glamorous colour combination. Team with the matching bikini top to pull together the perfect holiday look.
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  • £14.00
    £7.00
    Add a feminine frill to your beach-ready outfit with these glamorous bikini briefs. They have a wide waistband with dainty shirred ruffles along the top and bottom that are subtle yet playful. They also provide a little extra coverage over your hips. To complete your look, wear yours with the matching bikini top, wedge sandals and a patterned sarong.
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  • What is versatile, feminine and dotty all over? This beautiful bikini top. It comes in a classic spotted print and has a subtle twist at the front that creates flattering ruching across the cups. Supportive straps help to keep you comfortable and are easy to adjust at the back. Team yours with the matching bikini bottoms and a straw sunhat for timeless poolside style.
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  • Mix & Match Tankini top in a lovely tropical bright print with a feminine loose frill detail to the neckline. Halterneck straps, soft fixed cups and full lining to ensure extra comfort. Designed to be worn with our other mix and match styles in this range.
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  • Mix & Match Tankini top in a classic nautical navy and white stripe print with a feminine loose frill detail to the neckline. Halterneck straps, soft fixed cups and full lining to ensure extra comfort. Designed to be worn with our other mix and match styles in this range.
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  • With its subtle texture and a big bold pop of contrast colour, this bikini top brings fun and glamour to relaxing beach days. The halter neck shape is flattering on the figure and can be adjusted to give you the right level of support as well as the perfect fit. Team with the matching briefs or mix with a printed pair for a unique combination.
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  • Make a statement in the swimming pool with these eye-catching bikini briefs made from a subtly textured fabric. They are accented with colour-block details at the sides for a look that instantly flatters the figure. Thanks to the high waist and built-in tummy control, they will keep your silhouette streamlined and ready for those holiday snaps.
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  • With its floral design, this bikini top will blend right in with your beachwear favourites. The foil detail gives it a glamorous edge, especially when it catches the sunlight, and the knot detail feels fun and feminine. Fitted cups and adjustable straps are a practical addition to the piece, making sure the shape is just right.
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  • £14.00
    £7.00
    Packing for a beach holiday? Tuck this bikini top into your suitcase. It has an all-over tropical print in rich oranges and pinks that perfectly suits a hot-weather retreat. The tab front gives it a flattering shape and creates feminine ruching across the cups. The design also has detachable straps, so you can wear it bandeau style to avoid tan lines or as a halterneck for added support.
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  • £12.00
    £6.00
    It is easy to mix and match your swimwear using these plain bikini briefs. They are made in a high-waisted shape which gives your stomach a little extra coverage and accentuates your waist for a flattering fit. While the block colour keeps things simple and versatile, there is more to these briefs than meets the eye. Beneath the pretty front ruching, a handy tummy control panel is there to make you feel body-confident.
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  • £12.00
    £6.00
    For a bold pop of colour when you are lounging by the pool, slip on these bikini briefs. They come in a tropical pattern with pink and orange leafy palms that really stand out against the black background. The high waist skims over your hips and there is even a little ruching down the front to flatter your stomach. Team yours with the matching bikini top to complete the look.
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  • Mix & Match Tankini top in a classic nautical navy and white stripe print featuring a bow tie detail to the centre front and rouched tie side detail for a flattering shape. Over the shoulder straps, soft cups, full lining with bust support ensure extra comfort.
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  • Flattering and stylish, this tankini is the perfect addition to your holiday wardrobe. The fabric is subtly textured for a unique feel. It fastens with a self-tie halter neck, which you can adjust for the most comfortable fit. Colour-block bands sit under the bust, along the cups and on the strap for an eye-catching and elegant twist. Team this tankini with the matching briefs or go for bikini bottoms in a complementary colour.
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  • Ideal for matching with your favourite bikini tops and tankinis, these plain swim shorts are sophisticated and versatile. They have a simple design in a dark colour that works well with printed and colourblock separates. The low leg shaping offers extra coverage on the upper thigh, so you can feel confident getting active in the water. Tummy control is added into the mix for an extra-flattering finish.
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  • Mix & Match Tankini top in bright cobalt blue with a feminine loose frill detail to the neckline. Halterneck straps, soft fixed cups and full lining to ensure extra comfort. Designed to be worn with our other mix and match styles in this range.
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  • For feminine swimwear, look no further than these bikini briefs. The high-waisted cut skims over your figure and nips in at just the right point, while subtle ruching across the front gives your stomach a flattering finish. In an all-over spot print, this design is subtly vintage-inspired. Team yours with the matching bikini top for a coordinated look.
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  • Mix & Match Tankini top in a lovely tropical bright print, features a bow tie detail to the centre front and rouched tie side detail for a flattering shape. Over the shoulder straps, soft cups, full lining with bust support ensure extra comfort. Designed to be worn with other styles in this range.
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  • Mix & Match Tankini top in bright cobalt blue features a bow tie detail to the centre front and ruched tie side detail for a flattering shape. Over the shoulder straps, soft cups, full lining with bust support ensure extra comfort. Designed to be worn with our other mix and match styles.
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  • High waist brief in a lovely tropical bright print. Featuring a flattering ruched side panel and front seams along with full front and back lining ensuring a modest, comfortable and stylish fit.
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  • £12.00
    £6.00
    For versatile bottoms that have your comfort in mind, pick these simple bikini briefs. In a deep black hue, they are instantly figure-flattering, although the smoothing powermesh lining should take some of the credit. The high waist provides a touch of extra coverage around your stomach and is finished with eye-popping bright embroidery. Team them with the matching bikini top for a coordinated look.
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  • High waist brief in bright cobalt blue. Featuring a flattering ruched side panel and front seams along with full front lining ensuring a modest, comfortable and stylish fit.
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  • A stylish swim skirt in a lovely tropical bright print. Featuring an elasticated waist, an inner swim brief and front lining ensures modesty as well as comfort and style.
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