Bikinis & Tankinis

Women's Bikinis & Tankinis

It's time to bring out the bikinis and tankinis! Bonmarché's range of ladies bikinis and tankinis are designed to flatter and provide great support. We have the perfect bikini tops and matching bottoms for you.
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43 products found
  • 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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  • Take a trip to the great British seaside in these vintage-inspired bikini briefs, which are available exclusively online. The gingham print harks back to the 1950s, as does the flattering high-waisted shape. If the pretty ruching on the front was not enough, this design has a hidden tummy control panel. Match these with a gingham bikini top, or mix things up with a block-colour style.
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  • Comfortable, stretchy fabric meets bold animal print in this web exclusive tankini. It features vibrant purple zebra stripes on a fresh white background, as well as jewels on the bust for some subtle sparkle. With an unnoticeable tummy control panel built into the top, this tankini is made to flatter your shape. Wear with the detachable straps for support or without to create a bandeau style.
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  • 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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  • 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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  • Before jetting off on holiday, spruce up your swimwear with these web exclusive printed bikini bottoms. Decorated with bold purple zebra stripes, they have an exotic feel: perfect for wearing under palm trees by the pool. The brief shape provides just the right amount of coverage, while the stretch swim fabric is comfortable for all-day wear. Team with a plain bikini top or the matching tankini.
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  • Bring on the striped deckchairs and beach huts: this web exclusive bikini top is ready for a day at the seaside. It has a classic vintage-inspired design with a simple black and white gingham print, which is playful yet versatile. Wear it as a bandeau style to banish pesky tan lines, or add the slim halterneck strap for extra support. Since it is available in cup sizes, it is easy to find the right fit. Pair it with the matching briefs, or mix up your look with contrasting bottoms.
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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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  • 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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  • Packed full of clever details, these web exclusive spotty bikini briefs are here to boost your poolside confidence. First up, they have a tummy control lining which helps to smooth your stomach. Then a flattering ruched panel skims over your figure, hiding any problem areas. In a high-waisted cut, they give you plenty of coverage while also lending your look a distinctly retro feel. To complete the set, pair yours with the coordinating dot print bikini top.
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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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • £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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  • 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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  • This tankini swimsuit has a little bit of everything. Sleek horizontal stripes across the top make it a seaside classic, while bold floral placement prints bring a touch of Hawaiian style. It also has a handy tummy control lining that helps to smooth your silhouette without sacrificing on comfort. To avoid tan lines simply pop off the detachable straps: these are also easily adjustable to suit your shape.
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  • When the beach calls, answer with this bikini top. Along the comfy elasticated band it has subtle shirred detailing and small ruffles that make it effortlessly feminine. Classic triangle cups give you plenty of coverage and the straps are easy to adjust at the back. Pair it with the matching bikini bottoms and a straw sunhat for a glamorous poolside look.
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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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • A stylish swim skirt in a classic nautical navy and white stripe print. Featuring an elasticated waist, an inner swim brief and front lining ensures modesty as well as comfort and style.
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  • With its bright and bold stripe print, this web exclusive bikini top will add a fun pop of colour to your swimwear collection. The fabric twists at the front to flatter the bust and add a stylish little flourish. It has adjustable shoulder straps so you can get the perfect fit and level of support, and the back fastens securely with a clip.
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  • Dive into a bright new poolside look with these web exclusive bikini bottoms. Decorated with multicoloured stripes in a range of bright colours, they are perfect for mixing with plain bikini tops or pairing with the matching option. A knot detail on the front adds a fun update to the classic brief shape, which offers full coverage at the back.
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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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  • 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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  • These web exclusive polka-dot bikini bottoms have a vintage-inspired high waist, making them supportive and comfy. Reaching up over your hips and stomach, they even have a flattering tummy control panel that helps to smooth your figure. Pair yours with a block-hue tankini or the matching bikini top to create a set, then accessorise with a sarong and flip-flops.
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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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  • Add some colourful separates to your holiday swimwear with these bikini briefs. Against the fresh white background, bold swirls of blue and green form a classic tie-dye pattern, which has a subtle boho look. To create a matching set, pair yours with the coordinating bikini top. These briefs come in a comfortable midi shape with plenty of coverage across the back. For a touch of tummy-flattering texture, the knotted side tie creates a lightly ruched finish across the front.
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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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  • Be bold on the beach without sacrificing on support in this web exclusive bikini top. With its large polka-dot pattern and monochrome hues, it is both retro-inspired and versatile: just match it with any colourful bikini bottoms to complete your swimwear. For a change, alter the detachable straps to create a new shape, whether you prefer a secure halterneck or a slinky bandeau.
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  • A stylish swim skirt in bright cobalt blue. Featuring an elasticated waist, an inner swim brief and front lining ensures modesty as well as comfort and style.
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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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  • Besides sunshine, one of the best things about summer is mixing and matching colourful bikinis. The simple design of this halterneck bikini top makes it the perfect option for pairing with your favourite bottoms. The knot front is especially flattering on curves, while the wide straps offer plenty of support. A twist clasp fastening at the back keeps everything secure.
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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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