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Navy & White Dots Frill Sleeve One Piece
Regular price $129.95
Acapulco Underwire Tankini Top
Regular price $134.95
Honey Comb Black Ruched Underwire One Piece
Regular price $139.95
Navy & White Dots Ruched Skirted Bikini Bottoms
Regular price $79.95
Navy & White Dots Crop Wrap Bikini Top
Regular price $89.95
Black Skater Swim Skirt - No Pant
Regular price $69.95
Navy & White Dots Vintage Skirted One Piece
Regular price $149.95
Plain Black High Waist Bikini Bottoms
Regular price $59.95
Honey Comb Black Underwire Tankini Top
Regular price $129.95
Navy High Waist Bikini Bottoms
Regular price $59.95
Amalfi Pink Frill Bikini Bottoms
Sale price $10.00 Regular price $69.95 Save $59.95
Mesh Polkadot Short Sleeve Crop Top
Sale price $40.00 Regular price $89.95 Save $49.95
10 12 14 16 18 20 22
Navy & White Dots Short Sleeve Rash Vest
Regular price $109.95
Navy & White Dots Twist Front Bandeau One Piece
Regular price $129.95
Black 3 Tier One Piece
Regular price $134.95
Summer Fields High Waisted Pant
Sale price $19.95 Regular price $59.95 Save $40.00
10 12 14 16 18 20 22
Acapulco Black One Shoulder One Piece
Regular price $139.95
Seychelles High Waisted Pant
Sale price $19.95 Regular price $59.95 Save $40.00
10 12 14 16 18 20 22
Black Hipster Pant Bikini Bottoms
Regular price $64.95
Plain Black Twist Front Bandeau One Piece
Regular price $109.95
Black Criss Cross One Piece
Regular price $119.95
Chlorine Resistant Navy & White Dots Underwire Tankini Top
Regular price $139.95
Malibu High Waisted Pant
Sale price $41.95 Regular price $59.95 Save $18.00
Mauritius High Waisted Pant
Sale price $30.00 Regular price $59.95 Save $29.95
Mauritius Twist Front Bandeau One Piece
Sale price $99.95 Regular price $129.95 Save $30.00
Chlorine Resistant Long Sleeve Side Ruched Rash Vest
Regular price $149.95
Navy & White Dots High Rise Bikini Bottom
Regular price $64.95
Navy & White Dots Skater Skirt
Regular price $99.95
Tutti Frutti High Rise High Waisted Pant
Sale price $30.00 Regular price $64.95 Save $34.95
12 14 16 18 20 22 24 26
Chlorine Resistant Navy & White Dots Tank One Piece
Regular price $149.95
Black Triangle Bikini Top
Regular price $69.95
Navy Honey Comb Waist Tie One Piece
Regular price $129.95
Snow Leopard Triangle Bikini Top
Sale price $30.00 Regular price $64.95 Save $34.95
Castaway High Waisted Pant
Sale price $25.00 Regular price $59.95 Save $34.95
Pansy Wrap Crop Bikini Top
Sale price $50.00 Regular price $89.95 Save $39.95
10 12 14 16 18 20 22
Pansy Long Frill V Neck One Piece
Sale price $129.95 Regular price $149.95 Save $20.00
Chlorine Resistant Plain Black Long Sleeve Rash Vest
Regular price $119.95
10 12 14 16 18 20 22
Wildberries Twist Front Bandeau
Regular price $129.95
10 12 14 16 18 20 22 24 26
Majorca Wrap Crop Bikini Top
Sale price $44.95 Regular price $89.95 Save $45.00
12 14 16 18 20 22
Honey Comb Navy Twist Front Bandeau One Piece
Regular price $119.95
Acapulco Black Retro Skirted One Piece
Regular price $154.95
Black High Rise Bikini Bottoms
Regular price $64.95
Mono Paisley Chlorine Resistant Underwire Tankini Top
Regular price $134.95
Mono Paisley Chlorine Resistant V Neck Underwire One Piece
Regular price $149.95
Mono Paisley Chlorine Resistant Swim Dress NO PANT
Regular price $149.95
Mono Paisley Chlorine Resistant Short Sleeve Rash Vest
Regular price $134.95
Honolulu High Waisted Pant
Sale price $29.95 Regular price $59.95 Save $30.00
Honolulu Crossover One Piece
Regular price $144.95

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.