Size 18 Women's Swimwear

  • In stock
173 products
Brunette curve model wearing bandeau tankini swimsuits

Waikiki Flouncy Bandeau Tankini Top

Capriosca Swimwear
$119.95
Brunette model wearing a black floral tropical printed tankini top with underwire by the pool

Waikiki Underwire Tankini Top DD/E

Capriosca Swimwear
$119.95
Brunette curvy model wearing a black floral tie one piece swimsuit

Waikiki Crossover One Piece

Capriosca Swimwear
$129.95
Curve model wearing ruffle tankini top

Waikiki 3 Tier Tankini Top

Capriosca Swimwear
$124.95
Brunette plus size model wearing black floral underwire swimsuit

Waikiki Underwire One Piece

Capriosca Swimwear
$139.95
Brunette model wearing black floral with frill sleeve one piece and zip front by the pool

Waikiki Frill Sleeve One Piece

Capriosca Swimwear
$134.95
Black and white flattering frill sleeve one piece for curve women

Black and White Dots V Neck Frill One Piece

Capriosca Swimwear
$129.95
Curve woman wearing black and white dots frill v neck one piece

Black and White Dots Long Frill V Neck One Piece

Capriosca Swimwear
$149.95
Curve woman wearing high waisted blue and white dot swimwear pant in chlorine resistant

Vintage Dots Chlorine Resistant High Waisted Pant

Capriosca Swimwear
$69.95
Curve model wearing blue and white dot chlorine resistant tankini top with scoop neckline

Vintage Dots Chlorine Resistant Tank Tankini Top

Capriosca Swimwear
$129.95
Blonde model wearing baby blue spotty one piece

Vintage Dots Chlorine Resistant Tank One Piece

Capriosca Swimwear
$149.95
Brunette curve model by the pool wearing a short sleeve blue and white Polkadot chlorine resistant rash vest

Vintage Dots Chlorine Resistant Short Sleeve Rash Vest

Capriosca Swimwear
$134.95
Curve model standing by a pool in a chlorine resistant blue and white Polkadot crossover one piece

Vintage Dots Chlorine Resistant Crossover One Piece

Capriosca Swimwear
$149.95
model sitting on the side of the pool wearing a blue and white polkadot high neck zip front swimsuit with frill sleeve detail

Vintage Dots Chlorine Resistant Frill Sleeve One Piece

Capriosca Swimwear
$159.95
Blonde model wearing light pink high waisted swim pants on beach

Maldives High Waisted Pant

Capriosca Swimwear
$59.95
brunette model wearing a retro styled black crop bikini top with mesh polkadots on the sleeves

Mesh Polkadot Short Sleeve Crop Top

Capriosca Swimwear
$89.95
Blonde model wearing light pink floral bikini on beach

Maldives Underwire Bandeau Bikini Top

Capriosca Swimwear
$89.95
Blonde model wearing light pink tiered tankini at the beach

Maldives Bandeau Tiered Tankini Top

Capriosca Swimwear
$129.95
Red hair model wearing black with pink florals swimsuit

Pink Petals Chlorine Resistant Tank One Piece

Capriosca Swimwear
$149.95
blonde model wearing a short sleeve navy polkadot rash vest

Navy & White Dots Short Sleeve Rash Vest

Capriosca Swimwear
$109.95
brunette model wearing a strapless one piece bathing suit with twist detail in between the breast area

Navy & White Dots Twist Front Bandeau One Piece

Capriosca Swimwear
$119.95
Black 3 Tier One Piece Swimwear

Black 3 Tier One Piece

Capriosca Swimwear
$134.95
Brunette model wearing black floral strapless one piece

Kokomo Twist Front Bandeau

Capriosca Swimwear
$129.95
Brunette plus size model on beach wearing a flattering bandeau one piece with removable straps in bright colours

Summer Fields Twist Front Bandeau One Piece

Capriosca Swimwear
$129.95
Brunette model wears black floral womens swim dress

Kokomo Frill Swim Dress

Capriosca Swimwear
$149.95
Curvy brunette model wearing an ruched underwire one piece in bright coloured floral print

Summer Fields Underwire One Piece

Capriosca Swimwear
$149.95
vintage swimwear australia

Acapulco Criss Cross One Piece

Capriosca Swimwear
$134.95
Blonde model wearing green floral tummy control swim pant

Maui High Waisted Pant

Capriosca Swimwear
$59.95
Brunette plus size model posing in water wearing orange and black high waisted pant

Kokomo High Waisted Pant

Capriosca Swimwear
$59.95
Brunette model wearing bright coloured high waisted swim pant for curve women

Summer Fields High Waisted Pant

Capriosca Swimwear
$59.95
Brunette model wearing plus size ruched bikini top with tie detail Australia

Summer Fields Underwire Bikini Top D-G

Capriosca Swimwear
$99.95
Brunette model wearing black floral long sleeve rash vest

Kokomo Long Sleeve Rash Vest

Capriosca Swimwear
$109.95
Brunette plus size model wearing short sleeve rash vest with zip front in colourful floral print

Summer Fields Short Sleeve Rash Vest

Capriosca Swimwear
$109.95
Blonde model wearing pink and green floral ruffle swim tankini

Maui 3 Tier Tankini Top

Capriosca Swimwear
$124.95

Maldives Twist Front Bandeau One Piece

Capriosca Swimwear
$129.95
Blonde model wearing pink and green floral one piece swimsuit

Maui V Neck Frill One Piece

Capriosca Swimwear
$129.95
Blonde model wears black floral zip front one piece

Kokomo Frill Sleeve One Piece

Capriosca Swimwear
$134.95
Brunette curve women wearing bright coloured shirred swimsuit with removable straps

Summer Fields Shirred One Piece

Capriosca Swimwear
$139.95
Blonde curve model next to pool wearing a underwire tankini top with ruching in bright coloured floral print

Summer Fields Underwire Tankini Top

Capriosca Swimwear
$134.95
Blonde model wearing teal floral crossover tie waist swimsuit

Maui Waist Tie Crossover One Piece

Capriosca Swimwear
$139.95

Size 18 Swimwear

Size 18 is one of our most popular sizes here at Curvy Swimwear. With this in mind we have created a collection of swimwear in size 18 to suit every shape and satisfy every need. Our size 18 collection includes everything you could possibly want in your swim wardrobe from bikini separates to one pieces, rashies and swim dresses. Browse our range and discover your new favourite swimsuit from one of our fabulous Australian brands. 

Shop by cup size or style, colour or price, and narrow your selection down to the perfect swimsuit for you. If you need help choosing, we are available via our online chat or email to answer any questions you have about style, size, or suitability. Our goal is to make your online shopping a breeze and for you to find a swimsuit that gives you all the confidence you need to hit the beach this summer. 

Size 18 One Piece Swimwear

Here at Curvy Swimwear, one piece swimsuits are our specialty. We have chosen the best one piece swimsuits from our favourite Australian brands to give you the best options in size 18 swimwear. 

You'll find fabulous one piece swimsuits in size 18 to suit your shape as well as your needs. Don't want strap marks? Our bandeau one pieces will ensure a tanline free summer. Need extra bust support? An underwire one piece might be just what you need. Spending long hours in the pool? A chlorine resistant one piece with sleeves will give you lasting protection. Whatever you need, you'll find it in our size 18 one piece swimsuit collection. 

Size 18 Swimwear Australia 

Shop easily online for size 18 swimwear in Australia and internationally. Curvy Swimwear offers excellent customer service, fast delivery, and the best range of plus size swimwear in Australia and New Zealand. 

Based on the beautiful Gold Coast, we know a thing or two about swimwear and ensure your time online with us is easy to navigate and a pleasurable experience. 



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