Size 18 Women's Swimwear

  • In stock
207 products
Mauritius High Waisted Pant
Tummy Control
Model with white wearing curvy high waisted pant in grey blue floral print Australia

Mauritius High Waisted Pant

10 12 14 16 18 20 22
Mauritius Long Sleeve Rash Vest
Model with white hair wearing sun safe long sleeve rash vest in floral print

Mauritius Long Sleeve Rash Vest

12 14 16 18 20 22
Mauritius Flouncy Bandeau Tankini Top
Removable Straps
model wearing tropical print flouncy tankini

Mauritius Flouncy Bandeau Tankini Top

10 12 14 16 18 20 22
Mauritius 3 Tier One Piece
Model wearing tiered one piece for curve women with multi coloured floral print

Mauritius 3 Tier One Piece

10 12 14 16 18 20 22
Mauritius Frill Swim Dress
Model wears floral swim dress with ruffle detail for curve women

Mauritius Frill Swim Dress

14 16 18 20 22 24 26
Mauritius Twist Front Bandeau One Piece
Removable Straps
Model with brunette hair wearing a floral one piece with grey base

Mauritius Twist Front Bandeau One Piece

10 12 14 16 18 20 22 24 26
Mauritius Short Sleeve Tie Front One Piece
Long Torso
model wearing tropical print short sleeve one piece at beach

Mauritius Short Sleeve Tie Front One Piece

10 12 14 16 18 20 22 24 26
Chlorine Resistant Black Full Length Tight Swim Leggings
Exclusive
Donation
Blonde model by pool wearing chlorine-resistant

Chlorine Resistant Black Full Length Tight Swim Leggings

10 12 14 16 18 20 22
Chlorine Resistant Long Sleeve Side Ruched Rash Vest
Exclusive
Donation
Blonde model by pool wearing long sleeve rash vest in chlorine resistant with zip front and ruching detail

Chlorine Resistant Long Sleeve Side Ruched Rash Vest

10 12 14 16 18 20 22
Chlorine Resistant Tulip Swim Skirt
Sale
Chlorine Resistant
Blonde model in pool wearing short chlorine resistant crossover skirt

Chlorine Resistant Tulip Swim Skirt

12 14 16 18 20 22
Navy and White Dots High Rise Bikini Bottom
Best Seller
Tummy Control
close up of model wearing navy polka dot high rise pant

Navy and White Dots High Rise Bikini Bottom

10 12 14 16 18 20 22
Navy and White Dots High Waisted Pant
Best Seller
Tummy Control
model wearing navy and white dots high waisted pant

Navy and White Dots High Waisted Pant

10 12 14 16 18 20 22
Navy and White Dots Underwire Bikini Top
Best Seller
Big Bust
model wearing navy and white dots bikini top

Navy and White Dots Underwire Bikini Top

12 14 16 18 20 22
Navy and White Dots Skater Skirt
Woman wearing a navy polka dot bikini set on a boat with water and sky in the background

Navy and White Dots Skater Skirt

12 14 16 18 20 22
Tutti Frutti High Rise High Waisted Pant
Brunette plus size women wearing fruit multi coloured swim pant

Tutti Frutti High Rise High Waisted Pant

12 14 16 18 20 22 24 26
Tutti Frutti Square Neck Bikini Top
Brunette plus size women wearing flattering fruit multi coloured bikini top

Tutti Frutti Square Neck Bikini Top

12 14 16 18 20 22 24 26
Tutti Frutti Square Neck One Piece
Brunette plus size model wearing square neck one in bright fruit print

Tutti Frutti Square Neck One Piece

14 16 18 20 22 24 26
Chlorine Resistant Navy & White Dots Tank One Piece
Chlorine Resistant
Model wearing navy and white dots tank one piece

Chlorine Resistant Navy & White Dots Tank One Piece

10 12 14 16 18 20 22
Black Triangle Bikini Top
model wearing black triangle bikini top

Black Triangle Bikini Top

10 12 14 16 18 20 22 24
Navy Honey Comb Waist Tie One Piece
Best Seller
Tummy Control
model wearing navy honey comb waist tie swimsuit

Navy Honey Comb Waist Tie One Piece

10 12 14 16 18 20 22
Snow Leopard Triangle Bikini Top
Sale
Model wearing snow leopard triangle bikini sitting next to pool

Snow Leopard Triangle Bikini Top

12 14 16 18 20 22
Navy and White Dots Cross Front Swing Tankini Top
Big Bust
model wearing navy polka dot swing tankini

Navy and White Dots Cross Front Swing Tankini Top

12 14 16 18 20 22
Pansy High Waisted Pant
Tummy Control
Blonde mature women wearing high waisted flattering swim pant in blue watercolour floral

Pansy High Waisted Pant

10 12 14 16 18 20 22
Castaway High Waisted Pant
Tummy Control
Model wearing hot pink high waisted bikini pant with matching tankini

Castaway High Waisted Pant

10 12 14 16 18 20 22
Pansy Wrap Crop Bikini Top
Big Bust

Pansy Wrap Crop Bikini Top

10 12 14 16 18 20 22
Pansy Short Sleeve Rash Vest
Mature blonde women wearing floral short sleeve rash vest with zip front

Pansy Short Sleeve Rash Vest

10 12 14 16 18 20 22
Castaway 3 Tier Tankini Top
Big Bust
Model wearing hot pink floral three tier tankini with matching bottoms

Castaway 3 Tier Tankini Top

10 12 14 16 18 20 22 24 26
Pansy Bandeau Tiered Tankini Top
Removable Straps
Blonde woman wearing strapless ruffle tankini top with blue and white floral print

Pansy Bandeau Tiered Tankini Top

10 12 14 16 18 20 22
Castaway High Neck Sleeveless One Piece
Model wearing hot pink floral zip front sleeveless one piece

Castaway High Neck Sleeveless One Piece

10 12 14 16 18 20 22
Pansy Twist Front Bandeau One Piece
Removable Straps
Location image of mature women wearing strapless one piece in blue and white floral print

Pansy Twist Front Bandeau One Piece

10 12 14 16 18 20 22
Pansy Long Frill V Neck One Piece
Big Bust
Blonde mature model wearing a blue water coloured v neck one piece with frill detail

Pansy Long Frill V Neck One Piece

12 14 16 18 20 22
Castaway Shirred One Piece
Removable Straps
Model wearing hot pink floral shirred bandeau swimsuit

Castaway Shirred One Piece

10 12 14 16 18 20 22
Pansy Boyleg One Piece with bow
Blonde model by pool wearing wear a blue floral boyleg one piece with white trim and bow

Pansy Boyleg One Piece with bow

10 12 14 16 18 20 22
Chlorine Resistant Plain Black Long Sleeve Rash Vest
Chlorine Resistant
Woman in a black swimsuit standing by a pool

Chlorine Resistant Plain Black Long Sleeve Rash Vest

10 12 14 16 18 20 22
Wildberries Short Sleeve Rash Vest
Big Bust
Blonde model wearing sun safe short sleeve rash vest in berry coloured floral print

Wildberries Short Sleeve Rash Vest

10 12 14 16 18 20 22 24 26
Wildberries Twist Front Bandeau
Removable Straps
model wearing black and red floral women's one piece

Wildberries Twist Front Bandeau

10 12 14 16 18 20 22 24 26
Wildberries 3 Tier One Piece
model wearing black and red floral tiered one piece swimsuit

Wildberries 3 Tier One Piece

10 12 14 16 18 20 22
Chlorine Resistant Black Bike Tight Swim Shorts
Best Seller
Chlorine Resistant
Model showing black bike pant swimwear

Chlorine Resistant Black Bike Tight Swim Shorts

10 12 14 16 18 20 22 24 26 28 30
Majorca High Waisted Pant
Front of model on beach wearing plus size high waisted swim pant

Majorca High Waisted Pant

12 14 16 18 20 22
Majorca Wrap Crop Bikini Top
Big Bust
Brunette women on beach wearing wrap one piece bikini top for curve women

Majorca Wrap Crop Bikini Top

12 14 16 18 20 22

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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