Size 18 Women's Swimwear

  • In stock
185 products
Sale
Ghost mannequin of flouncy bandeau swimsuit with removable straps in navy based floral print

Montego Flouncy Bandeau One Piece

    Sale price $99.95 Regular price $139.95
Blonde model wearing white and yellow floral v neck swimsuit

Tuscany Long Frill V Neck One Piece

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

Tuscany Shirred One Piece

    $139.95
Blonde model wearing yellow floral v neck one piece

Tuscany V Neck One Piece

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

Seychelles High Waisted Pant

    Sale price $39.95 Regular price $59.95
Sale
Blonde model wearing blush pink floral zip front rash vest

Seychelles Long Sleeve Rash Vest

    Sale price $99.95 Regular price $119.95
Sale
Blonde model wearing light pink floral v neck tankini swim top

Seychelles V Neck Tankini Top

    Sale price $89.95 Regular price $129.95
Sale
Model wearing blush pink floral frill sleeve one piece

Seychelles Frill Sleeve One Piece

    Sale price $99.95 Regular price $134.95
Sale
Blonde model wearing light pink floral v neck one piece

Seychelles V Neck One Piece

    Sale price $99.95 Regular price $139.95
Sale
Blonde model wearing pink floral high neck one piece swimsuit

Seychelles High Neck Keyhole One Piece

    Sale price $119.95 Regular price $159.95
Model wearing navy zip front rash vest

Chlorine Resistant Navy Wetshirt Short Sleeve Rash Vest

    $119.95
Blonde model wearing black hipster bikini bottoms with triangle bikini top

Black Hipster Pant Bikini Bottoms

    $64.95

Jantzen Wild Gathered Surplice

    $149.95
Sale
Blonde model wearing blush pink strapless one piece swimsuit

Seychelles Underwire Bandeau One Piece

    Sale price $119.95 Regular price $159.95
Sale

Mermaid High Waisted Pant

    Sale price $30.00 Regular price $59.95
Blonde model wearing strapless black one piece swimsuit

Plain Black Twist Front Bandeau One Piece

    $109.95
Ghost mannequin black tankini

Black Chlorine Resistant Tank Tankini Top

    $109.95
Ghost mannequin orange and yellow floral and black printed twist front bandeau one piece

Frenchy Black Twist Front Bandeau One Piece

    $129.95
Woman wearing a Chlorine Resistant zip front one piece in pink

Chlorine Resistant Pink Sleeveless Zip Up One Piece

    $144.95
Blonde curvy woman wearing flattering zip front tankini swim top in chlorine resistant

Luxe Sport Chlorine Resistant Zip Front Tankini Top

    $129.95
Bronde model next to pool wearing chlorine resistant 3/4 zip front one piece in navy and pink

Luxe Sport Chlorine Resistant 3/4 Sleeve One Piece

    $149.95
Ghost mannequin of zip front one piece in navy with pink and white

Luxe Sport Chlorine Resistant Navy/Pink Sleeveless Zip Up One Piece

    $144.95
Ghost mannequin pink high waisted swim bottom

Chlorine Resistant Pink High Waisted Pant

    $64.95
Ghost mannequin tropical print strapless one piece

Bora Bora Twist Front Bandeau One Piece

    $129.95
Black One Piece Swimwear

Black Criss Cross One Piece

    $119.95
Ghost mannequin navy and white dots tankini

Chlorine Resistant Navy & White Dots Underwire Tankini Top

    $134.95
Blonde model wearing a wide strapped swimming dress in navy blue with the middle panel in a navy and white dots

Chlorine Resistant Navy & White Dots Wide Strap Swim Dress

    $149.95
brunette plus size women wears black 3 tier chlorine resistant tankini top

Chlorine Resistant Black 3 Tier Tankini Top

    $134.95
Blonde curve model wearing animal print one piece with ruffles

Snow Leopard 3 Tier One Piece

    $144.95

Snow Leopard High Waisted Pant

    $59.95
Model wearing black floral ruffle tankini

Wildflowers Chlorine Resistant 3 Tier Tankini Top

    $149.95
Ghost mannequin black floral bandeau one piece swimsuit

Wildflowers Chlorine Resistant Twist Front Bandeau One Piece

    $149.95
Sale
Brunette model wearing tummy control high waisted pant in pastel paisley print

Paisley Pop High Waisted Pant

    Sale price $39.95 Regular price $59.95

Malibu High Waisted Pant

    $59.95
Sale
Blonde plus size model wearing a paisley blue rash vest with zip front one piece

Paisley Pop Short Sleeve Rash Vest

    Sale price $89.95 Regular price $109.95
Sale
Brunette model wearing a ruched high neck tankini top for curve women

Paisley Pop High Neck Twist Front Tankini Top

    Sale price $89.95 Regular price $134.95

Malibu 3 Tier One Piece

    $144.95
Sale
Blonde model wearing a paisley blue and yellow one piece next to pool for curve women

Paisley Pop High Neck Twist Front One Piece

    Sale price $99.95 Regular price $149.95
Ghost mannequin of crossover wrap one piece in pink floral with black for curve women

Malta Crossover One Piece

    $129.95
Blonde model next to water wearing supportive underwire tankini top for curve women

Malta Underwire Tankini Top

    $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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