Skip to main content Accessibility Policy

40% Off Best Sellers* - NO CODE NEEDED

Get 20-30% off your first DiaSHOP order* - code: DIAWELCOME

FREE US Standard Shipping on Orders $125+*

Style Exclusively
In Sizes 10-32
Fashion first,
fit obsessed.
Sizes 14+
Your Life,
Your Style,
Your Avenue
Sizes 14-32
Elevated intimates
designed to support
in 67 sizes.
Confidently Current
Styles You'll Love
in Sizes 10-32
The Swim Experts,
Fitting Sizes 4-44

Credit Card
Pay My Bill
Don't have your card yet? Apply Today!
Enjoy these top rewards and special benefits when you use the Fullbeauty Platinum credit card:

Earn Rewards Every Time You Shop

$10 Rewards for every 200 points earned at FULLBEAUTY Brands. 1 point earned for every $1 spent with your card.³

Free Shipping up to 4 Times a Year

Use promo code FBSHIPPING2024
Minimum purchase of $75.⁴

A Special Birthday Surprise!

We'll send you an exclusive offer for your orders placed during your birthday month.⁵

Learn More
Sign In

Email*

Show Password*

Keep me signed in

Forgot password

By signing in, you agree to Our Terms of Use, Returns Policy and Privacy Policy.

Use any of login information.

OneStopPlus^®, Woman Within^®, Roaman's^®, Catherines^®, Jessica London^®, Ellos^®, Intimates For All^™, Shoes For All^™, Swimsuits For All^®, BrylaneHome^®, King Size^®, Active For All^®, June+Vie^™, FullBeauty Outlet^®, ELOQUII, Dia Shop and Avenue.

or

Create Account Create an account & join Dia Shop Rewards for points & perks!

Track My Order

Return Order
Rewards
0 My Bag

0 My Bag

Sign In
Rewards
Deals
Personal Styling
New In
Deals
Best Sellers
- Dresses
- Jumpsuits
- Tops
- Sweaters & Cardigans
- Jeans
- Pants
- Skirts
- Intimates
Dresses
Tops
Jackets
- Jackets
  - Blazers
  - Trench Coats
Bottoms
- Jeans
- Pants
- Shorts & Capris
- Skirts
11 Honoré
- Cosabella
- Dresses
- Tops
- Pants
- Skirts
- Jackets & Coats
- Intimates
- Swimwear
- Accessories
Brands
- Belldini
- City Chic
- CUUP
- Ellos
- ELOQUII
- Estelle
- Forever & Always Shoes
- Frances Valentine
- GIA/irl
- Hilary MacMillan
- June+Vie
- Kiyonna
- L I V D
- Leota
- Lola Jeans
- Minnie Rose
- Azeeza
- BAACAL
- Diane Von Furstenberg
- Tanya Taylor
- Brands A-Z
- Trending Brands
  - 1822 Denim
  - ANNICK
  - NYDJ
Occasion
Swim
Shoes & Accessories
- Jewelry
- Handbags & Totes
- Accessories
  - Belts
  - Hats
  - Scarves & Shawls
  - Tights
  - Sunglasses
- Shoes & Boots
- Intimates
  - Intimates
  - Lounge and Sleepwear
Clearance
- New to Clearance
- Dresses
- Tops
- Swimwear
- Bottoms
- Jackets & Coats
- Intimates
- Loungewear
Personal Styling

Personal Style, Delivered
Get your customized
style box today!

Get Started

Shipping To

Be the first to Know

Stay up to date with all of our great fitting styles and new season arrivals. Plus, enjoy 20-30% off!

Email Address

Thanks for signing up.

Check your inbox to enjoy 30% off.

You have 48 hours to use your special offer before it expires!

Thank you for your interest in our brand and your request to receive emails! Unfortunately we are not able to accept orders from your country at this time or send you emails. As such, we will not store your email address at this time. We hope to be able to serve you in the future.

We're sorry, there was a problem adding your email to our list. Please try again later.

Customer Service

Call Us 1-800-400-5527

Quick Links

Update My Profile

Home
Swim
One-Piece Swimsuits

The Swim Shop

SHOP ALL

Shop One Pieces

ONE PIECES

SWIM TOPS

Shop Swim Bottoms

SWIM BOTTOMS

COVERUPS

Shop Accessories

ACCESSORIES

SHOP ALL

Shop One Pieces

ONE PIECES

SWIM TOPS

Shop Swim Bottoms

SWIM BOTTOMS

COVERUPS

Shop Accessories

ACCESSORIES

One-Piece Swimsuits

128 Items

Category

One-Piece Swimsuits
Swim Tops
Swim Bottoms
Swim Cover-Ups
Swim Accessories

SORT BY

128 Items

Sort By

Sort By

Featured

Newest

Top Rated

Highest Price

Lowest Price

FILTER BY

Filter

10/12 (12)
14/16 (5)
18/20 (3)
22/24 (5)
26/28 (6)
30/32 (5)
4 (12)
6 (13)
8 (15)
10 (18)
12 (26)
14 (55)
16 (55)
18 (51)
20 (54)
22 (38)
24 (23)
26 (22)
28 (10)
30 (7)
32 (7)
34 (3)

black (67)
blue (25)
orange (25)
pink (20)
purple (14)
green (13)
red (11)
multi (6)
white (6)
beige (3)
brown (2)
gold (2)
yellow (2)
grey (1)

Avenue (7)
City Chic (27)
Frances Valentine (1)
Gold Elite Apparel (2)
Hilary Macmillan (6)
Mapalé (51)
Nomads Swimwear (6)
Rebdolls (3)
Swimsuits For All (17)
Unique Vintage (8)

One-Piece Swimwear (110)
Swim Tops (1)
Swimdresses (4)
Swimsuits (83)
Two-Piece Swimwear Sets (14)
Wire Free / Wireless Bras (25)

Bikini Tops (1)

Crinkle (6)
Elastane (55)
Jacquard (1)
Jersey (9)
Knit (2)
Mesh (5)
Nylon (58)
Polyamide (9)
Polyester (29)
Polyester Blend (17)
Spandex (30)

Short Length (3)

Sleeveless (65)
Short Sleeve (2)

Asymmetric Neck (3)
Crewneck (1)
Halter (11)
High Neck (3)
Keyhole (2)
One Shoulder (4)
Scoop Neck (7)
Square Neck (1)
Straight Neck (1)
Strapless/Tube (3)
Sweetheart Neck (8)
U Neck (3)
V Neck (37)

Swim (85)

Apple (4)
Athletic (3)
Heart (4)
Hourglass (1)
Pear (1)

Maximum Coverage (49)
Moderate Coverage (23)
Minimal Coverage (13)

Adjustable Strap (42)
Cross Back (6)
Shoulder Strap (5)

Maximum Support (19)
Moderate Support (41)
Minimal Support (23)

Up to $19.99 (2)
From $20.00 to $39.99 (2)
From $40.00 to $59.99 (50)
From $60.00 to $79.99 (57)
From $80.00 to $99.99 (9)
From $100.00 to $249.99 (8)

Unique Vintage Plus Size Rainbow Stripe Barbara One Piece Swimsuit
by UNIQUE VINTAGE

SFCC

$123.00
Color Options

Birds of Paradise

PothosNephrite

Black Bio

SkyGeode

Expressivo

IguanaMerlot

Shore Pareo
by NOMADS SWIMWEAR

SFCC

From $150.00 – $220.00
Color Options

BLACK

MINT

Coast One Piece
by NOMADS SWIMWEAR

SFCC

~~Price reduced from $145.00 to~~ $45.00 Save $100.00 68%

5.0 out of 5 Customer Rating (1)
Best Seller

Color Options

BLACK

SALTWATER HAPPY

ROYAL

LUXE

BRIGHT BERRY

VERY FUCHSIA

Ruched Twist Front One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $104.00 to~~ From $52.00 – $72.80 Save up to $52.00 50%

4.1 out of 5 Customer Rating (685)
Color Options

Expressivo

IguanaMerlot

SkyGeode

PothosNephrite

Black Bio

Birds of Paradise

Wave One Piece II
by NOMADS SWIMWEAR

SFCC

$210.00
Color Options

BLACK

VERY FUCHSIA

Chain Accent Underwire One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $115.00 to~~ $57.50 Save $57.50 50%
Best Seller

Color Options

PAPAYA

FLUORESCENT PINK

LILAC

EMERALD

Cup Sized Mesh Underwire One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $125.00 to~~ From $34.98 – $75.00 Save up to $90.02 72%

3.9 out of 5 Customer Rating (8)
Best Seller

Color Options

MILITARY

BLACK

BEAUTIFUL BLUE

RUBY

SPICE

Shirred Underwire One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $115.00 to~~ From $80.50 – $115.00 Save up to $34.50 30%

4.2 out of 5 Customer Rating (41)
Best Seller

Color Options

BLACK

MEDITERRANEAN

BLUE

FIRE CORAL

RED

Lattice Plunge One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $125.00 to~~ From $19.98 – $62.50 Save up to $105.02 84%

4.2 out of 5 Customer Rating (236)
Best Seller

Color Options

BLACK

NAVY PIN DOT

RED FLORAL

High Neck Wrap One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $125.00 to~~ From $75.00 – $87.50 Save up to $50.00 40%

4.0 out of 5 Customer Rating (111)
Best Seller

Color Options

BLACK

ELECTRIC IRIS BLUE

FIRE CORAL

Mesh Wrap Bandeau One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $94.00 to~~ From $27.98 – $56.40 Save up to $66.02 70%

4.1 out of 5 Customer Rating (24)
Best Seller

Color Options

BLACK

MEDITERRANEAN

LEMONADE

SPICE

WHITE

Underwire Lace Up One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $125.00 to~~ $87.50 Save $37.50 30%

3.3 out of 5 Customer Rating (8)
Lace Up One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $104.00 to~~ $52.00 Save $52.00 50%

4.3 out of 5 Customer Rating (225)
Color Options

BLACK

AMETHYST

Twist Ruched One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $104.00 to~~ $52.00 Save $52.00 50%

3.9 out of 5 Customer Rating (57)
Color Options

BLACK

NAVY WHITE STRIPES

Plunge V-Neck One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $125.00 to~~ $62.50 Save $62.50 50%

3.6 out of 5 Customer Rating (5)

Related Products

One-Piece Swimsuits Plus Size Sporty One Piece Swimsuits Plus Size Strapless One Piece Swimsuit Plus Size One Piece Swimsuits With Mesh Comfortable Plus Size One Piece Swimsuit Plus Size One Piece Swim Dress Plus Size Slimming One Piece Swimsuit Pattern Swimsuits Skirted Swimsuits Plus Size Cross Back One Piece Swimwear

Dia

Be the first to Know

Stay up to date with all of our great fitting styles and new season arrivals. Plus, enjoy 20-30% off!

Email Address

Thanks for signing up.

Check your inbox to enjoy 30% off.

You have 48 hours to use your special offer before it expires!

Thank you for your interest in our brand and your request to receive emails! Unfortunately we are not able to accept orders from your country at this time or send you emails. As such, we will not store your email address at this time. We hope to be able to serve you in the future.

We're sorry, there was a problem adding your email to our list. Please try again later.

Text JOIN to 32469

for exclusive access to special offers & receive 20% off your next purchase!

Sign up for texts

^*Msg&data rates may apply. Recurring autodialed marketing messages will be sent to the mobile number provided at opt-in.
Consent is not a condition of purchase. Text STOP to quit. T&Cs & Privacy Policy

Free Exchanges Every Day

Free Exchanges Every Day!

Our goal is your complete satisfaction!

Learn More

Free US Standard Shipping

On All Orders $125+

Learn More

Customer Service

Contact Us
Shopping Info
Shipping Info
Returns
Exchanges
Billing & Payment
Size & Fit
International
FAQ

My Account

Sign In / Register
Track My Order
Return Order
Order History
Wishlist
Rewards

Gift Cards

Gift Card Balance
eGift Card

Gift Card Balance
eGift Card

Dia Shop

Careers
About Fullbeauty Brands
Product Collections

Shipping To

6 Brands 1 Easy Checkout

Your Privacy Choices privacy policy icon

California Transparency in Supply Chains Act

Accessibility Statement

© FullBeauty Brands Operations, LLC. All rights reserved.

DIA SHOP™ is a trademark of FullBeauty Brands Operations, LLC.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Be the first to know

Be the first to know

Keep up with our latest offers, arrivals & more - it's easier than ever!

Mobile Phone Number

Success

You're all set!

A text message has been sent to . Reply with Y to confirm.

Something went wrong

Sorry, we are having trouble connecting to the system.

Please try again later.

^*By signing up for texts, you agree to receive automated recurring marketing messages from FullBeauty Brands and accept the Terms & Privacy Policy. Consent is not a condition of purchase. Msg & data rates may apply. Text Stop to unsubscribe.