Size 18 Women's Swimwear

  • In stock
$0.00 $154.95
183 products
  • In stock
$0.00 $154.95
Mauritius High Waisted Pant
Model with white wearing curvy high waisted pant in grey blue floral print Australia

Mauritius High Waisted Pant

Mauritius Long Sleeve Rash Vest
Model with white hair wearing sun safe long sleeve rash vest in floral print

Mauritius Long Sleeve Rash Vest

Mauritius Flouncy Bandeau Tankini Top
model wearing tropical print flouncy tankini

Mauritius Flouncy Bandeau Tankini Top

Mauritius 3 Tier Tankini Top
Model wearing tropical print 3 tier tankini top

Mauritius 3 Tier Tankini Top

Mauritius 3 Tier One Piece
Ghost mannequin of blue floral one piece for curve women

Mauritius 3 Tier One Piece

Mauritius Frill Swim Dress
Model wears floral swim dress with ruffle detail for curve women

Mauritius Frill Swim Dress

Catalina Chlorine Resistant Tank Tankini Top
Blonde model next to pool wearing scooped tankini top in blue and orange floral chlorine resistant print

Catalina Chlorine Resistant Tank Tankini Top

Mauritius Twist Front Bandeau One Piece
Ghost mannequin

Mauritius Twist Front Bandeau One Piece

Mauritius Short Sleeve Tie Front One Piece
model wearing tropical print short sleeve one piece at beach

Mauritius Short Sleeve Tie Front One Piece

Catalina Chlorine Resistant Tank One Piece
Blonde curvy women wearing scoop one piece in black based floral print

Catalina Chlorine Resistant Tank One Piece

Chlorine Resistant Black Full Length Pant
Blonde model by pool wearing chlorine-resistant

Chlorine Resistant Black Full Length Pant

Chlorine Resistant Long Sleeve Side Rushed Rash Vest
Blonde model by pool wearing long sleeve rash vest in chlorine resistant with zip front and ruching detail

Chlorine Resistant Long Sleeve Side Rushed Rash Vest

Chlorine Resistant Tulip Skirt
Blonde model in pool wearing short chlorine resistant crossover skirt

Chlorine Resistant Tulip Skirt

Navy and White Dots High Rise Pant
Front of model wearing high cut bikini pant in navy white polkadot for plus size women

Navy and White Dots High Rise Pant

Navy and White Dots High Waisted Pant
Blonde curve model in high waisted belly pant in navy and white polkadot

Navy and White Dots High Waisted Pant

Navy and White Dots Underwire Bikini Top
Blonde model wearing polkadot underwire bikini top in navy and white

Navy and White Dots Underwire Bikini Top

Navy and White Dots Skater Skirt
Plus size model standing by pool wearing skirt coverup in navy and white dot print

Navy and White Dots Skater Skirt

Tutti Frutti High Rise High Waisted Pant
Brunette plus size women wearing fruit multi coloured swim pant

Tutti Frutti High Rise High Waisted Pant

Tutti Frutti Square Neck Bikini Top
Brunette plus size women wearing flattering fruit multi coloured bikini top

Tutti Frutti Square Neck Bikini Top

Tutti Frutti Square Neck One Piece
Ghost mannequin fruit patterned one piece

Tutti Frutti Square Neck One Piece

Acapulco Criss Cross One Piece

Acapulco Criss Cross One Piece

Chlorine Resistant Navy & White Dots Tank One Piece
Model wearing navy and white dots tank one piece

Chlorine Resistant Navy & White Dots Tank One Piece

Black Triangle Bikini Top
plain black triangle bikini top

Black Triangle Bikini Top

Navy Honey Comb Waist Tie One Piece
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

Snow Leopard Triangle Bikini Top
Model wearing snow leopard triangle bikini sitting next to pool

Snow Leopard Triangle Bikini Top

Navy and White Dots Cross Front Swing Tankini Top
Blonde model on boat wearing navy white polkadot tankini top

Navy and White Dots Cross Front Swing Tankini Top

Pansy High Waisted Pant
Blonde mature women wearing high waisted flattering swim pant in blue watercolour floral

Pansy High Waisted Pant

Castaway High Waisted Pant
Model wearing hot pink high waisted bikini pant with matching tankini

Castaway High Waisted Pant

Pansy Wrap Crop Bikini Top
Blonde model wearing plus size wrap bikini top with short sleeves

Pansy Wrap Crop Bikini Top

Pansy Short Sleeve Rash Vest
Mature blonde women wearing floral short sleeve rash vest with zip front

Pansy Short Sleeve Rash Vest

Castaway 3 Tier Tankini Top
Model wearing hot pink floral three tier tankini with matching bottoms

Castaway 3 Tier Tankini Top

Pansy Bandeau Tiered Tankini Top
Blonde woman wearing strapless ruffle tankini top with blue and white floral print

Pansy Bandeau Tiered Tankini Top

Castaway High Neck Sleeveless One Piece
Model wearing hot pink floral zip front sleeveless one piece

Castaway High Neck Sleeveless One Piece

Pansy Twist Front Bandeau One Piece
Location image of mature women wearing strapless one piece in blue and white floral print

Pansy Twist Front Bandeau One Piece

Castaway V Neck Frill Sleeve One Piece
Model wearing hot pink floral v neck one piece

Castaway V Neck Frill Sleeve One Piece

Pansy Long Frill V Neck One Piece
Blonde mature model wearing a blue water coloured v neck one piece with frill detail

Pansy Long Frill V Neck One Piece

Castaway Shirred One Piece
Model wearing hot pink floral shirred bandeau swimsuit

Castaway Shirred One Piece

Pansy Boyleg One Piece with bow
Blonde model wearing plus size boy leg one piece with tie detail in blue and white floral print

Pansy Boyleg One Piece with bow

Jantzen Heritage Square Neck One Piece
Blonde model showing side of black and white square neck one piece

Jantzen Heritage Square Neck One Piece

Sunseeker Black Basix F/G Ruched Minimiser Singlet
Model showing side of black ruched tankini top

Sunseeker Black Basix F/G Ruched Minimiser Singlet

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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