Size 18 Women's Swimwear

  • In stock
185 products
Model showing side of black ruched tankini top

Sunseeker Black Basix F/G Ruched Minimiser Singlet

    $139.95
Long Sleeve Plus Size Rashie

Chlorine Resistant Plain Black Long Sleeve Rash Vest

    $119.95
Blonde model wearing sun safe short sleeve rash vest in berry coloured floral print

Wildberries Short Sleeve Rash Vest

    $124.95
Blonde model by pool wearing ruffle tankini top with floral print

Wildberries 3 Tier Tankini Top

    $129.95
Blonde model by pool wearing strapless bandeau one piece with pink wildberries print on black base

Wildberries Twist Front Bandeau

    $129.95
Blonde curve model wearing 3 tiered ruffle one piece with floral berry coloured print

Wildberries 3 Tier One Piece

    $144.95
Sale
blonde plus size model wears bright green lace up one piece swimsuit

Metallic Green Lace Up One Piece

    Sale price $59.95 Regular price $119.95
Model showing side of mesh black high neck one piece

Jantzen Cosmopolitan Mesh High Neck One Piece

    $129.95

Sunseeker Navy 4 Way Stretch Board Short Bottom

    $69.95
Sale
Brunette model wearing plus size ruched bikini top with tie detail Australia

Summer Fields Underwire Bikini Top D-G

    Sale price $59.95 Regular price $99.95

Chlorine Resistant Black Bike Swim Pant

    $89.95
Front of model on beach wearing plus size high waisted swim pant

Majorca High Waisted Pant

    $59.95

Majorca Wrap Crop Bikini Top

    $89.95

Majorca Bandeau Tiered Tankini Top

    $129.95
Plus size model wearing twist front floral bandeau one piece with removable straps

Majorca Twist Front Bandeau

    $129.95
Front of model in ocean wearing v neck floral one piece

Majorca V Neck Frill One Piece

    $139.95

Majorca Waist Tie One Piece

    $139.95
Front of model by pool wearing sun safe long sleeve one piece with zip front

Majorca Long Sleeve One Piece

    $149.95
Ghost mannequin of orange and blue floral zip front one piece

Catalina Chlorine Resistant Sleeveless Zip Up One Piece

    $149.95
black high waisted chlorine resistant bikini bottom

Chlorine Resistant Plain Black High Waist Bikini Bottoms

    $64.95
brunette model wearing Chlorine Resistant Boyleg Pant

Chlorine Resistant Black Boyleg Swim Pant

    $69.95
Ghost mannequin black sleeveless zip front one piece

Chlorine Resistant Luxe Sport Black Sleeveless Zip Front One Piece

    $139.95
Honey Comb | Navy Bandeau Maternity Swimsuit

Honey Comb Navy Twist Front Bandeau One Piece

    $119.95
Model showing side of plain black high neck tankini

Sunseeker Black Basix High Neck Singlet

    $139.95
Blonde model by pool wearing high neck twist front one piece with ruching

Chlorine Resistant Black High Neck Twist Front One Piece

    $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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