Plus Size Swim & Beachwear

Women's Plus Size Swim & Beachwear

Browse Bonmarché’s range of plus size swimwear. Our plus size swim dresses, beach dresses and swimsuits come in a range of colours and styles that suit all shapes and sizes. Available up to size 28.
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86 products found
  • £25.00
    £10.00
    Bring some fashionable flair to days by the pool in this eye-catching swimsuit made from a textured fabric for an irresistible feel. This piece has a gentle plunge at the chest to help make the most out of your figure. A bold, contrast colour block band sits just under the bust to flatter the waist.
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  • 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.
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  • 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.
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  • £18.00
    £7.00
    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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  • Poolside glamour has never been easier to achieve than with this floral swimdress. The seasonal print is livened up by touches of glittering foil, giving the piece a little sparkle when the sun is out. Its design is fitted with tummy control, which creates a flattering fit that is boosted by the flowy shape. Team with a sarong and sandals when heading from beach to bar.
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  • Packing for your beach holiday? Remember to tuck this palm printed swimsuit into your suitcase. It is cut low on the leg to give you a touch of extra coverage and has a flattering ruched panel down the front. Plus, there is a secret tummy control mesh lining that helps to sculpt and smooth your figure. Adjust the straps to get the perfect fit then layer it with a floaty sarong: ready for a slow amble along the sands.
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  • Relax by the pool in style with this statement swimsuit. The eye-catching monochrome design features an artistic pattern on the bust and a plain body for a bit of contrast. A knot tie at the chest and tummy control panels keep the silhouette nice and sleek. This piece also has adjustable straps, so you can get the fit and support that you need.
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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 vibrant colour and stylish snake-print pattern, this sundress is a true style steal. It has a frilly hem that adds a playful finish to the sleek silhouette. Wear it by night with a pair of heels and a short cardigan or during the day with sandals and a floppy sun hat.
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  • Shine bright by the pool in this eye-catching swimsuit. The tropical floral pattern is accented by shimmering foil details that sparkle in the sunlight. As pretty as it is practical, the piece has a tummy control panel to offer support and keep your silhouette sleek. Gathered fabric adds to the figure-flattering look. Style with a black sarong and wedge sandals for the ideal holiday outfit.
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  • Cannot decide on your favourite shade? Wear them all with this lightweight sundress. It features an all-over rainbow print in a flattering chevron stripe, with muted navy piping along the neckline and straps. This cool piece is perfect for hot days: throw yours on over your swimsuit when you are heading to the beach, or wear it with wedges for a weekend lunch. Ruching down the front gives it a relaxed and floaty shape that skims easily over your figure.
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  • This style steal sundress is immediately eye-catching thanks to its feminine floral pattern. It has a simple, breezy cut with a round neck and slim straps, all of which promise to keep you cool in the sunshine. Pops of colour in the print stand out against the dark background, while a delicate frill at the hem gives the design some extra movement. Look elegant but laid-back by teaming yours with a lightweight shrug and sandals for al fresco dinners on warm evenings.
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  • Bring plenty of pattern to your beach outfit with this multiway swimdress. The all-over navy and white tribal print is both lively and versatile: pair yours with a plain sarong and sandals when you are wandering down to the pool. It also has a tummy control lining down the front to help you feel confident. Wear the straps for extra support or take them off to create a bandeau-style look (just the thing to keep tan lines at bay).
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  • Pop this snake-print swimdress in your suitcase and make waves on your next holiday. It has a flattering, floaty shape and is fitted with a tummy control lining to help you look your absolute best poolside. A tab detail separates the cups, giving a little structure to the piece. Slip on with your favourite sunnies and you are good to go.
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  • Keep cool and look fresh in this lightweight style steal sundress. With its floaty shape, it is easy to pull on over your swimsuit ready for the beach. Or complement the feminine frilled hem with heels and a shawl to create an elegant outfit. The design features a subtle all-over white leaf print on a pink base, giving it just a touch of summery pattern.
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  • Lightweight fabric combines with a standout pattern to make this style steal sundress the perfect choice for summer days out. The fit is easy-going and airy, keeping you cool when temperatures rise. A vibrant floral print stands out against a dark background for a dramatic effect, while the flippy frilled hem adds a touch of femininity. Dress yours up with heels and a drapey cardigan or stay casual with sandals and bare shoulders.
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  • Ideal for warm days in the garden and meals by the sea, this bright sundress is the perfect addition to any summer wardrobe. It has a pretty floral pattern featuring tropical blooms on a vibrant backdrop. The frilly hem adds a final touch of elegance to the easy-going shape, ideal for evenings spent enjoying live music.
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  • £25.00
    £15.00
    Set sail for stylish shores in this bandeau swimsuit, featuring a jacquard striped design to lend a timeless nautical vibe to your holiday wardrobe. This piece is cut high on the leg, and features tummy control technology to flatter your figure. It also has detachable straps for a little extra support. Team with sunglasses and a straw hat for a classic poolside look.
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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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  • £22.00
    £16.00
    Nothing quite says vintage seaside charm like a bold polka-dot swimsuit. This design has a hidden tummy control panel to smooth your figure and flattering ruching down the front. A twisted panel across the chest creates an easy sweetheart shape that frames your curves. Just add large sunglasses and wedge heels to complete the look.
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  • Offer - 20% Off
    £30.00
    £24.00
    When warm weather calls for breezy dressing, turn to this super lightweight Isla & Rose maxi dress. It has a loose and flowing shape that skims over your figure and gives you plenty of room to move at the beach or around the pool. It is also made from a smooth viscose fabric that is naturally stretchy. The all-over tie-dye pattern toes the line between smart and casual: just add a floppy hat and sandals for an easy boho outfit. Perfect lightweight beach cover dress to take on your holidays.
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  • Flattering and feminine, this swimsuit is a suitcase staple. It has a bandeau neckline with a frill detail that gives it a retro feel. The tummy control smooths your shape and the adjustable shoulder straps make sure you are always comfortable dipping in and out of the pool. Indulge in old Hollywood glamour by matching with a pair of dark sunglasses.
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  • With its unique wrap design, this swimsuit effortlessly flatters your curves. The crossover front creates a feminine V neck and draws you in at the waist, while the bold top panel adds a pop of colour to the muted navy base. Inside, there is a silhouette-smoothing tummy control lining to help you feel confident while lounging on the beach. Complete your beach-ready outfit with a breezy sarong and a pair of glamorous sunglasses.
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  • £18.00
    £5.40
    Embrace a festival feeling in a subtle way for summer with this Isla & Rose camisole, available exclusively online. The lightweight material, loose cut and eye-catching tassel hem make this a fun piece, while the simple spaghetti straps and block-colour design pares down the look. Made from a high-quality, soft-touch fabric with just a little stretch, this is a comfortable option for warmer days.
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  • Making a summer statement is simple in this eye-catching sundress. When the rays come out, this style steal helps you stay cool thanks to its lightweight fabric and breezy cut featuring slim straps and a round neck. A repeat geometric pattern pops colourfully against the dark background. Emphasise the flip of the frilled hem by teaming yours with heels or keep it laid-back with sandals.
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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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  • £12.00
    £6.00
    Why settle for one shade when you could have many? The choice is easy with this web exclusive sarong. It is decorated all over with a bright multicoloured print which combines chevron and horizontal stripes for a modern look. It is an essential lightweight layer for beach days, and barely takes up space in your luggage. Knot it around your waist or throw it over your shoulders for extra coverage.
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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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  • Offer - 20% Off
    £30.00
    £24.00
    In a bright shade and with a bold zebra print, this lightweight jumpsuit by Isla & Rose captures two trends at once. Cut to flatter, it has a laid-back sleeveless shape and a hint of comfortable stretch in its airy fabric. Choose to define your figure by cinching in the tasselled drawstring at the elasticated waist or leave it loose and relaxed. The crossover front has a deep V neck and is fastened with poppers.
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  • Heading on a beach holiday? Make sure to pack this versatile swimsuit. The all-over snake print is effortlessly glamorous and comes in a range of cool blue hues, just what a poolside outfit needs. For a stroll to the bar, layer yours with a plain sarong and add a wide-brimmed hat. Thanks to smoothing tummy control lining, you can feel confident while you lounge in the sun. Keep the straps in place for extra support or remove them to create a bandeau-style piece.
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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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  • 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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  • Embrace a festival feeling in a subtle way for summer with this Isla & Rose camisole, available exclusively online. The lightweight material, loose cut and eye-catching tassel hem make this a fun piece, while the simple spaghetti straps and block-colour design pares down the look. Made from a high-quality, soft-touch fabric with just a little stretch, this is a comfortable option for warmer days.
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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
    £10.00
    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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  • With this versatile three-way skirt dress in your holiday wardrobe, travelling light will be no problem. Wear it with the straps up, take them off for a bandeau look or ease the stretchy smocked bodice down over your hips to transform it into a breezy maxi skirt. Whichever you choose, the lightweight fabric will keep you cool and comfortable. A vivid geometric pattern makes this an eye-catching choice to slip on top of your swimsuit.
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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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  • Offer - 20% Off
    £25.00
    £20.00
    Lightweight and versatile, this Isla & Rose playsuit will be top of your holiday packing list. A loose fit means you stay cool, while a hint of stretch in the fabric makes it extra comfortable. Tassels on the hem and an eye-catching monochrome tie-dye print lend a touch of bohemian style to the look. Wear it casually with sandals and statement sunglasses at the beach or dress it up with bold jewellery for dinner.
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  • Offer - 20% Off
    £25.00
    £20.00
    To create a breezy boho outfit this summer, just pop on this tiered skirt from the Isla & Rose collection. It has intricate lace panels running through the middle and a tasseled drawstring on the front that you can tighten and tie into a feminine bow. It is made to be comfortable too, from the snug elasticated waistband down to the swishy mid-length hem. Just add a tucked-in T-shirt and sandals for a perfect weekend-ready look.
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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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  • 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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  • 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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  • Offer - 20% Off
    £30.00
    £24.00
    With its on-trend zebra print and flattering wrap front, this Isla & Rose dress is a showstopper. It has a feminine shape too, thanks to the cinching waist tie and fluttering frills along the hem. On hot days, the lightweight viscose fabric will keep you cool and you can even undo a popper or two down the V neckline. The sleek spaghetti straps are easy to adjust to the right length.
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  • Offer - 20% Off
    £25.00
    £20.00
    When warm summer days call for laid-back looks, turn to this relaxed playsuit by Isla & Rose. Cut from a lightweight fabric, the shape is cool and breezy. Thanks to the easy-going V neck and popper fastening, you can easily pull it on over your swimsuit. Tiny frills around the legs bring playfulness. Leave the tasselled drawstring at the elasticated waistband loose as you slip your hands into the pockets and stroll down to the sea.
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  • Offer - 20% Off
    £28.00
    £22.40
    Add a pop of colour to your holiday wardrobe with this standout Isla & Rose dress. It has a flattering wrap shape that crosses over at the front and ties at the waist to highlight your figure. A popper on the V neckline secures it neatly in place. The lightweight viscose fabric helps to keep you cool under the sun, while playful ruffles down the chest and along the hem add flamenco-style flair. Simply adjust the straps for a perfect fit before you hit the dance floor.
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  • Offer - 20% Off
    £22.00
    £17.60
    Summer style calls for high-impact colours and these wide-leg trousers by Isla & Rose deliver. Their bold fabric is lightweight, with a lightly crinkled, cheesecloth-like texture. An elasticated waist makes them easy to slip into, while the matching drawstring is finished with a tassel at each end for an extra bohemian-inspired touch. Add a breezy patterned top for al fresco holiday dinners.
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  • Offer - 20% Off
    £28.00
    £22.40
    Nothing quite says casual poolside style like this Isla & Rose kaftan. It is made from a lightweight and floaty fabric that has a hint of comfortable stretch and the loose fit skims over your figure. To flatter your shape, it has an elasticated and ruched waistband as well as wide flowing sleeves. Of course, it is all about those classic boho-style details, such as the tie-dye pattern in versatile monochromes and the tassel tie on the notched neckline.
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