Size 18 Women's Swimwear

  • In stock
200 products
Sale
retro floral tied swim bottom

Retro Floral Tie Side Bikini Bottoms

Capriosca Swimwear
    Sale price $10.00 Regular price $49.95
Sale
brunette model wearing lace up one piece in a light metallic blue

Provence Blue Lace Up One Piece

Capriosca Swimwear
    Sale price $59.95 Regular price $119.95
Sale
blonde plus size model wears bright green lace up one piece swimsuit

Metallic Green Lace Up One Piece

Capriosca Swimwear
    Sale price $59.95 Regular price $119.95
Sale
Plus size model wearing blue tropical ruched jantzen swimsuit

Jantzen Fiji DD/E Front Ruched One Piece Navy

Jantzen
    Sale price $99.95 Regular price $149.95
Sale
brunette model in front of a pool wearing aqua blue print mid rise pant bottom

Whitehaven Side Ruched Mid Bikini Bottoms

Capriosca Swimwear
    Sale price $20.00 Regular price $69.95
model standing in front of a pool wearing a black above knee boardshort with tie front detail

Plain Black Luxe Sport Stretch Board Shorts

Capriosca Swimwear
    $79.95
Sale
Blonde model wearing white floral wrap bikini top and matching high waisted pant

Bora Bora White Wrap Crop Bikini Top

Capriosca Swimwear
    Sale price $59.95 Regular price $89.95
Sale
Brunette plus size woman wearing tropical 3 tier ruffle one piece

Bora Bora White 3 Tier One Piece

Capriosca Swimwear
    Sale price $99.95 Regular price $144.95
Blonde model wearing a black crossover front one piece swimsuit

Black Chlorine Resistant Crossover One Piece

Capriosca Swimwear
    $134.95
Brunette model wears flouncy black tankini

Acapulco Flouncy Bandeau Tankini Top

Capriosca Swimwear
    $134.95
Sale
Brunette plus size women wears blue high waisted bikini bottom

Calypso High Waisted Pant

Capriosca Swimwear
    Sale price $41.95 Regular price $59.95
Sale
Brunette curve model wearing high waisted bikini bottom in floral print

Waikiki High Waisted Pant

Curvy Swimwear Australia
    Sale price $39.95 Regular price $59.95
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
Blonde model wearing baby blue spotty one piece

Vintage Dots Chlorine Resistant Tank One Piece

Capriosca Swimwear
    $149.95
Vintage blue and white spot rash vest for curve women in chlorine resistant

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
Sale
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
    Sale price $119.95 Regular price $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
Sale

Summer Fields Twist Front Bandeau One Piece

Capriosca Swimwear
    Sale price $99.95 Regular price $129.95
Sale
Curvy brunette model wearing an ruched underwire one piece in bright coloured floral print

Summer Fields Underwire One Piece

Capriosca Swimwear
    Sale price $119.95 Regular price $149.95
Sale
Blonde model wearing green floral tummy control swim pant

Maui High Waisted Pant

Capriosca Swimwear
    Sale price $20.00 Regular price $59.95
Sale
Brunette model wearing bright coloured high waisted swim pant for curve women

Summer Fields High Waisted Pant

Capriosca Swimwear
    Sale price $39.95 Regular price $59.95
Sale
Brunette model wearing plus size ruched bikini top with tie detail Australia

Summer Fields Underwire Bikini Top D-G

Capriosca Swimwear
    Sale price $59.95 Regular price $99.95
Sale
Brunette plus size model wearing short sleeve rash vest with zip front in colourful floral print

Summer Fields Short Sleeve Rash Vest

Capriosca Swimwear
    Sale price $89.95 Regular price $109.95

Maldives Twist Front Bandeau One Piece

Capriosca Swimwear
    $129.95
Sale
ghost mannequin v neckline swimsuit with ruffle cap sleeves in a green floral print

Maui V Neck Frill One Piece

Capriosca Swimwear
    Sale price $90.95 Regular price $129.95
Sale
ghost mannequin of a shirred bandeau one piece swimsuit with white background and pink, green, blue flower print

Summer Fields Shirred One Piece

Capriosca Swimwear
    Sale price $99.95 Regular price $139.95
Sale
ghost mannequin of a white based floral print with pink, green and blue flower pattern in a wrap tie side style

Summer Fields Waist Tie One Piece

Capriosca Swimwear
    Sale price $99.95 Regular price $139.95
Brunette model wearing metallic blue criss cross swimsuit

Metallic Blue Criss Cross One Piece

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

Kokomo Wrap Crop Bikini Top

Capriosca Swimwear
    Sale price $59.95 Regular price $89.95
Blonde model wears metallic pink criss cross one piece next to pool

Metallic Pink Criss Cross One Piece

Capriosca Swimwear
    $119.95

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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