Size 18 Women's Swimwear

  • In stock
173 products
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
Blonde curve model next to the pool wearing a bright floral coloured wrap one piece with faux crossover tie

Summer Fields Waist Tie One Piece

Capriosca Swimwear
$139.95
Red hair model wearing black with pink flowers zip front one piece

Pink Petals Chlorine Resistant Short Sleeve One Piece

Capriosca Swimwear
$149.95
Brunette model wearing metallic blue criss cross swimsuit

Metallic Blue Criss Cross One Piece

Capriosca Swimwear
$119.95
Brunette model wearing black floral wrap crop swim top

Kokomo Wrap Crop Bikini Top

Capriosca Swimwear
$89.95
Blonde model wearing black and pink floral ruffled swimsuit

Kokomo 3 Tier One Piece

Capriosca Swimwear
$144.95
Blonde model wears metallic pink criss cross one piece next to pool

Metallic Pink Criss Cross One Piece

Capriosca Swimwear
$119.95
Brunette model wears hot pink strapless one piece

Metallic Pink Twist Front Bandeau One Piece

Capriosca Swimwear
$119.95
brunette model lying down next to the pool in a striking black v neck one piece with white trim detail at the v and under the bust

Acapulco V Neck One Piece

Capriosca Swimwear
$149.95
blonde model standing in front of a pool wearing a black sweetheart neckline one piece with mesh polkadot short sleeves

Mesh Polkadot Short Sleeve One Piece

Capriosca Swimwear
$129.95
Model wearing Chlorine Resistant Plain Black swim Leggings

Chlorine Resistant Black 3/4 Swim Pant

Capriosca Swimwear
$99.95
Plus size tankini top

Chlorine Resistant Navy & White Dots 3 Tier Tankini Top

Capriosca Swimwear
$149.95
Back of model standing in a pool wearing a plus size flattering long sleeve rash vest with built in shelf bra

Jantzen Flora Zip Front Rash Vest

Jantzen
$129.95
Blonde curve model standing by the pool wearing a crossover v neck one piece with tie detail in navy

Navy Honey Comb Waist Tie One Piece

Capriosca Swimwear
$129.95
Blonde plus size model wearing black textured one shoulder one piece

Acapulco One Shoulder One Piece

Capriosca Swimwear
$139.95
Blonde model wearing metallic blue strapless swimsuit

Metallic Blue Twist Front Bandeau One Piece

Capriosca Swimwear
$119.95
brunette size 16 model wearing her plain black frill sleeve one piece with front zip at the pool

Black Frill Sleeve One Piece

Capriosca Swimwear
$99.95
plain black ruched high waisted pant

Black Belly Pant Bikini Bottoms

Capriosca Swimwear
$59.95
plus size model wears plain black short boyleg pant

Black Boyleg Swim Pant

Capriosca Swimwear
$59.95
zip front one piece swimsuit

Chlorine Resistant Luxe Sport Black Sleeveless Zip Front One Piece

Capriosca Swimwear
$124.95
Model standing next to pool wearing plus size navy boy leg swim pant

Chlorine Resistant Navy Boyleg Swim Pant

Capriosca Swimwear
$64.95
Curvy model wearing a black one piece bandeau plus size Australia

Black Flouncy Bandeau One Piece

Capriosca Swimwear
$119.95
plus size swim dress australia

Chlorine Resistant Black Wide Strap Panelled Swim Dress

Capriosca Swimwear
$134.95

Chlorine Resistant Black Zip Front Long Sleeve One Piece

Capriosca Swimwear
$149.95
Model standing by pool wearing navy high waisted swim pant with floral print for curve women

Montego High Waisted Pant

Capriosca Swimwear
$59.95
model wearing navy based floral bikini top with long frill over bust for curve women

Montego Frill Bikini Top

Capriosca Swimwear
$89.95
Model standing by pool wearing navy based floral print flouncy tankini top

Montego Flouncy Bandeau Tankini Top

Capriosca Swimwear
$109.95
Curve model standing next to pool wearing a colourful floral flouncy bandeau one piece australia

Montego Flouncy Bandeau One Piece

Capriosca Swimwear
$139.95
Brunette plus size model wears navy based floral lace up one piece swimsuit on beach

Montego Short Sleeve Tie One Piece

Capriosca Swimwear
$139.95
blonde model leaning against a wall wearing a navy based floral 3 tiered one piece with pink and purple florals

Montego 3 Tier One Piece

Capriosca Swimwear
$144.95
Blonde model wearing white and yellow floral v neck swimsuit

Tuscany Long Frill V Neck One Piece

Capriosca Swimwear
$149.95
Blonde model showing side of white and yellow shirred swimsuit

Tuscany Shirred One Piece

Capriosca Swimwear
$139.95
Blonde model wearing yellow floral v neck one piece

Tuscany V Neck One Piece

Capriosca Swimwear
$149.95
Blonde model wearing pink floral v neck bikini with high waisted pants

Seychelles High Waisted Pant

Capriosca Swimwear
$59.95
Blonde model wearing light pink floral bikini top and high waisted pant

Seychelles V Neck Bikini Top

Capriosca Swimwear
$89.95
Blonde model wearing blush pink floral zip front rash vest

Seychelles Long Sleeve Rash Vest

Capriosca Swimwear
$119.95
Blonde model wearing light pink floral v neck tankini swim top

Seychelles V Neck Tankini Top

Capriosca Swimwear
$129.95
Model wearing blush pink floral frill sleeve one piece

Seychelles Frill Sleeve One Piece

Capriosca Swimwear
$134.95

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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