Plus Size Swim & Beachwear

Women's Plus Size Swim & Beachwear

Discover our range of women's plus size swimwear at Bonmarché. Choose from our selection of stylish plus size bikinis and swimsuits to cover-ups and swimdresses, all in a variety of colours and styles. In our collection of plus size swimwear, you'll be sure to find the one that suits. Available in sizes 18-28.
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79 products found
  • Complete your holiday look with this stylish skirtini which looks great whether you are heading for the beach or the pool. It's concealed swim shorts provide maximum coverage and the split hem is flattering, giving a loose fit and room to move. Perfect to pair with the matching tankini or bikini top.
    Review Rating
  • Feel cool and confident by the beach or pool in this plain swimsuit. Its flattering V neck wrap front and the detail to the side adds a stylish look to this feminine style. As pretty as it is practical, the piece has moulded cups to frame your chest and a hidden tummy control panel to offer support and keep your silhouette sleek. Complete your beach-ready outfit with a breezy sarong and a pair of glamorous sunglasses.
    Review Rating
  • Feel cool and confident by the beach or pool in this plain swimsuit. Its flattering V neck wrap front and the detail to the side adds a stylish look to this feminine style. As pretty as it is practical, the piece has moulded cups to frame your chest and a hidden tummy control panel to offer support and keep your silhouette sleek. Complete your beach-ready outfit with a breezy sarong and a pair of glamorous sunglasses.
    Review Rating
  • Specifically designed to flatter the figure, these swim shorts make beach days all the more enjoyable. Cut in a high-waisted shape they provide plenty of coverage over your stomach and back to help boost your beach confidence. Team with the matching tankini top to pull together the perfect summer look.
    Review Rating
  • Feel cool and confident by the beach or pool in this plain swimsuit. Its flattering V neck wrap front and the detail to the side adds a stylish look to this feminine style. As pretty as it is practical, the piece has moulded cups to frame your chest and a hidden tummy control panel to offer support and keep your silhouette sleek. Complete your beach-ready outfit with a breezy sarong and a pair of glamorous sunglasses.
    Review Rating
  • Add this holiday essential bandeau jersey dress to your summer wardrobe. This plain bandeau style dress features an elasticated waist with tie and has adjustable and detachable straps making it the perfect beach dress. Complete the holiday look by pairing the dress with sandals and a sunhat.
    Review Rating
  • Feel cool and confident by the beach or pool in this zebra print swimsuit. Its flattering V neck wrap front and the detail to the side adds a stylish look to this feminine style. As pretty as it is practical, the piece has moulded cups to frame your chest and a hidden tummy control panel to offer support and keep your silhouette sleek. Complete your beach-ready outfit with a breezy sarong and a pair of glamorous sunglasses.
    Review Rating
  • This swimsuit is your secret weapon for feeling confident at the beach. Made from a comfortable, stretchy material, it also has flattering in-built tummy control. The knot front at the bust creates shape and definition. Style this swimsuit with a printed sarong for the perfect summer look.
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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. In a versatile block hue, they are easy to match with plain or patterned swim tops.
    Review Rating
  • Specifically designed to flatter the figure, these briefs make beach days all the more enjoyable. Cut in a high-waisted shape with ruching to provide plenty of coverage over your stomach and back to help boost your beach confidence. Team with a matching bikini top to pull together the perfect summer look.
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  • Swish your way across the sand in this lightweight sundress. Cut from a floaty fabric, it is easy to throw on over your bikini ready for the beach. The frilled hemline gives it a feminine flourish, while subtle ruching at the neckline flatters your chest. It features a bold spot print against a rich blue base for a bit of contrast.
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  • A must add to your collection is this spot print swimsuit. It's sure to make the perfect addition to your holiday wardrobe. The swimsuit features a ring detail that creates a ruching around the bust for a flattering fit and the piece has a powermesh lining that creates a smooth shape. The adjustable straps are removable, so you can wear this swimsuit bandeau style and avoid tan lines.
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  • Enjoy your most confident beach day in these lily print shorts. The subtle design makes them ideal for mixing and matching with a plain bikini tops and tankinis. These bottoms offer full, figure-flattering coverage and plenty of stretch for extra comfort. Pair with a light sarong and metallic flip flops for poolside style.
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  • If you like the look of a tankini but want a little extra coverage, this is the perfect swimsuit for you. Designed with in built cups and detachable straps for added support and confidence. This mock tankini swimsuit is figure flattering with added adjustable side ruching detail. In a pretty print it's the perfect holiday swimsuit.
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  • Add this holiday essential bandeau jersey dress to your summer wardrobe. This plain bandeau style dress features an elasticated waist with tie and has adjustable and detachable straps making it the perfect beach dress. Complete the holiday look by pairing the dress with sandals and a sunhat.
    Review Rating
  • Add this holiday essential bandeau jersey dress to your summer wardrobe. This plain bandeau style dress features an elasticated waist with tie and has adjustable and detachable straps making it the perfect beach dress. Complete the holiday look by pairing the dress with sandals and a sunhat.
    Review Rating
  • For flattering coverage on the beach or by the pool, choose these high-waisted bikini briefs. The high cut skims your tummy and has a powermesh panel for extra support and comfort. We have added a ruched panel at the front for a figure-skimming fit. Pair with the matching bikini top and sandals to maximise poolside wow-factor.
    Review Rating
  • Complete your holiday look with this stylish skirtini which looks great whether you are heading for the beach or the pool. It's concealed swim shorts provide maximum coverage and the split hem is flattering, giving a loose fit and room to move. Perfect to pair with the matching tankini or bikini top.
    Review Rating
  • This bandeau tankini is ready and raring for your next swim or poolside occasion. It features an eye-catching spot print running all the way with the center ring adding a little extra detail. Removable straps ensure no tan lines!
    Review Rating
  • 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. In a versatile block hue, they are easy to match with plain or patterned swim tops.
    Review Rating
  • With this sleek and simple swimsuit, feeling beach-ready this season is easy. It has a whole panel of flattering ruching down the front, as well as a built-in tummy control lining that helps to smooth your shape. To give you plenty of support, the straps are a little thicker than average and are adjustable at the back. Wear this block-tone piece with a printed sarong and sandals when you are wandering down to the pool.
    Review Rating
  • Flattering and lightweight, these shorts are perfect for warmer weathers and holidays. They feature a pretty all-over dash print pattern, and are easy to slip on and off as they feature a comfortable elasticated back, and front pockets. Pack them in your suitcase with a light cotton top and sandals for an effortless summer outfit.
    Review Rating
  • Specifically designed to flatter the figure, these briefs make beach days all the more enjoyable. Cut in a high-waisted shape with a full front ruching to provide plenty of coverage over your stomach and back to help boost your beach confidence. Team with a matching bikini top to pull together the perfect summer look.
    Review Rating
  • Enjoy your most confident beach day in these swimming bottoms. Featuring a subtle zebra print design to the waist for a stylish finish. The bottoms offer full, figure-flattering coverage and plenty of stretch for extra comfort. Team with matching tankini top or mix and match with other bikini and tankinis for a new look each time. Complete the look with a light sarong and metallic flip flops for poolside style.
    Review Rating
  • With this sleek and simple swimsuit, feeling beach-ready this season is easy. It has a whole panel of flattering ruching down the front, as well as a built-in tummy control lining that helps to smooth your shape. To give you plenty of support, the straps are a little thicker than average and are adjustable at the back. Wear this block-tone piece with a printed sarong and sandals when you are wandering down to the pool.
    Review Rating
  • 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. Team with the matching bikini top to pull together the perfect holiday look.
    Review Rating
  • Flattering and lightweight, these shorts are perfect for warmer weathers and holidays. They feature a pretty whispy palm print pattern, and are easy to slip on and off as they feature a comfortable elasticated back, and front pockets. Pack them in your suitcase with a light cotton top and sandals for an effortless summer outfit.
    Review Rating
  • Enjoy your most confident beach day in these spot print swim shorts. Their subtle design makes them ideal for mixing and matching with a plain bikini tops and tankinis. These bottoms offer full, figure-flattering coverage and plenty of stretch for extra comfort. Pair with a light sarong and metallic flip flops for poolside style.
    Review Rating
  • £14.00
    Specifically designed to flatter the figure, these swim shorts make beach days all the more enjoyable. Cut in a high-waisted shape with a subtle ruching down the sides they provide plenty of coverage over your stomach and back to help boost your beach confidence. Team with the matching tankini top to pull together the perfect summer look.
    Review Rating
  • Specifically designed to flatter the figure, these briefs make beach days all the more enjoyable. Cut in a high-waisted shape with ruching to provide plenty of coverage over your stomach and back to help boost your beach confidence. Team with a matching tankini top to pull together the perfect summer look.
    Review Rating
  • Tuck this bikini top into your suitcase. It has an all-over spot print, ring detailing that creates a flattering shape and ruching across the cups. The design also has adjustable straps for added support. Team with the matching bottoms!
    Review Rating
  • Add this holiday essential bandeau jersey dress to your summer wardrobe. This plain bandeau style dress features an elasticated waist with tie and has adjustable and detachable straps making it the perfect beach dress. Complete the holiday look by pairing the dress with sandals and a sunhat.
    Review Rating
  • Swish your way from the beach to a nearby cafe in this swimdress. The feminine skirt gives you a touch of extra coverage over your thighs, while the detachable straps make it extra versatile. Take them off to avoid those pesky tan lines, or slip them back on for some added support. This piece even has a built-in tummy control lining that helps to smooth your figure.
    Review Rating
  • Structured and comfortable, this tankini is ready and raring for your next swim or poolside occasion. An essential for your holiday suitcase, it features an eye-catching print running all the way down the ruched front. Added security can be founded in the hidden tummy control panels to ensure a figure flattering fit.
    Review Rating
  • Flattering and lightweight, these shorts are perfect for warmer weather and holidays. They feature a pretty all-over pattern and are easy to slip on and off as they feature a comfortable elasticated back, and front pockets. Pack them in your suitcase with a light cotton top and sandals for an effortless summer outfit.
    Review Rating
  • This style is a refreshed take on a classic shape, in a stunning colour and print makes it the perfect summer dress. The lightweight fabric, and relaxed cut is perfect for keeping you cool on warm days. The sleeveless design also features a round neck. Style it with sandals during the day, or wedges for an easy to wear evening look.
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  • Whisk yourself away to a tropical island with this fun print swimsuit. The vibrant turquoise colour of this style is livened up by a vibrant floral print on the front. The stylish bandeau shape is flattering and feminine, You can wear it two ways: strapless or with the removable shoulder straps for a bit of extra support.
    Review Rating
  • This lily print swimdress gives maximum coverage, perfect for relaxing by the pool or on the beach. There are three ways to wear it: halterneck, with adjustable straps or strapless. Hidden tummy control mesh and moulded cups give a flattering fit and the figure-skimming cut is feminine. It has ruching detail at the bust for a feminine finish.
    Review Rating
  • This style is a refreshed take on a classic shape, in a stunning colour and print makes it the perfect summer dress. The lightweight fabric, and relaxed cut is perfect for keeping you cool on warm days. The sleeveless design also features a round neck. Style it with sandals during the day, or wedges for an easy to wear evening look.
    Review Rating
  • Practical and lightweight, these shorts are perfect for warmer weathers and holidays. In a versatile design that makes them easy to style. The comfortable elasticated waistband provides all day comfort and ease of wear. Pack them in your suitcase with a light cotton top and sandals for an effortless summer outfit.
    Review Rating
  • For a feminine piece that was made for hot-weather holidays is this swimsuit. It is decorated in an all-over print that instantly brighten your poolside attire. With rich jewel embellishments between the cups, it even comes with a hint of sparkle. An in-built tummy control panel helps to flatten your stomach, while detachable straps let you switch to a bandeau style in a flash.
    Review Rating
  • This style is a refreshed take on a classic shape, in a stunning colour and print makes it the perfect summer dress. The lightweight fabric, and relaxed cut is perfect for keeping you cool on warm days. The sleeveless design also features a round neck. Style it with sandals during the day, or wedges for an easy to wear evening look.
    Review Rating
  • These tropical leaf print shorts are perfect for the summer. In a pretty print with an elasticated back for comfort and ease of wear. Also has handy pockets. These lightweight shorts are ideal for holidays to pack into the suitcase. Style with a plain t-shirt and sandals for an effortless summer outfit.
    Review Rating
  • Structured and comfortable, this tankini is ready and raring for your next swim or poolside occasion. An essential for your holiday suitcase, it features an all-over print and a flattering ruched front. Simply style with matching bottoms for the perfect beach look.
    Review Rating
  • Specifically designed to flatter the figure, these swim shorts make beach days all the more enjoyable. Cut in a high-waisted shape with a subtle ruching down the sides they provide plenty of coverage over your stomach and back help to boost your beach confidence. The floral print feel fresh and fun, and is brought to life by a combination of rich hues on the bright base. Team with the matching Takini top to pull together the perfect holiday look.
    Review Rating
  • With this sleek and simple swimsuit, feeling beach-ready this season is easy. It has a whole panel of flattering ruching down the front, as well as a built-in tummy control lining that helps to smooth your shape. To give you plenty of support, the straps are a little thicker than average and are adjustable at the back. Wear this block-tone piece with a printed sarong and sandals when you are wandering down to the pool.
    Review Rating
  • This style is a refreshed take on a classic shape, in a stunning colour and print makes it the perfect summer dress. The lightweight fabric, and relaxed cut is perfect for keeping you cool on warm days. The sleeveless design also features a round neck. Style it with sandals during the day, or wedges for an easy to wear evening look.
    Review Rating
  • This zebra print tankini swimsuit is a summer wardrobe must have. The ruched tie side detail and all-over zebra print helps to provide a flattering look giving the confidence to be ready for the holiday season. The detachable straps allows the option to be wore with or without the straps, ideal for when sunbathing. For a comfortable wear the straps can be adjusted. Simply add a kimono for when relaxing by the pool.
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