Skip to main content Accessibility Policy

40% Off Select Styles* - code: DIASHOP40

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+
Affordable Plus-Size Fashion,
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 Enhance your shopping experience & get rewards

Track My Order

Return Order
0 My Bag

0 My Bag

Sign In
Deals
Personal Styling
Clearance
- New to Clearance
- Dresses
- Tops
- Swimwear
- Bottoms
- Jackets & Coats
- Intimates
- Loungewear
New In
Deals
Dresses
Tops
Jackets
- Jackets
  - Blazers
  - Trench Coats
Bottoms
- Jeans
- Pants
- Shorts & Capris
- Skirts
11 Honoré
- Cosabella
- Dresses
- Tops
- Pants
- Jumpsuits
- Skirts
- Jackets & Coats
- Intimates
- Swimwear
- Accessories
Brands
- Belldini
- City Chic
- CUUP
- Ellos
- ELOQUII
- Estelle
- Forever & Always Shoes
- GIA/irl
Occasion
Swim
Shoes & Accessories
- Jewelry
- Handbags & Totes
- Accessories
  - Belts
  - Hats
  - Scarves & Shawls
  - Tights
  - Sunglasses
- Shoes & Boots
- Intimates
  - Intimates
  - Lounge and Sleepwear
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

143 Items

Category

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

SORT BY

143 Items

Sort By

Sort By

Featured

Newest

Top Rated

Highest Price

Lowest Price

FILTER BY

Filter

10/12 (11)
14/16 (2)
18/20 (8)
22/24 (9)
26/28 (10)
30/32 (5)
4 (12)
6 (13)
8 (15)
10 (18)
12 (26)
14 (73)
16 (69)
18 (58)
20 (58)
22 (37)
24 (20)
26 (22)
28 (7)
30 (7)
32 (6)
34 (3)

black (77)
orange (26)
blue (21)
pink (21)
green (18)
red (14)
purple (12)
multi (7)
white (5)
beige (3)
brown (3)
gold (2)
grey (1)
yellow (1)

Agnes Orinda (4)
Avenue (7)
City Chic (39)
Eloquii (3)
Gold Elite Apparel (2)
Hilary Macmillan (7)
Mapalé (51)
Nomads Swimwear (6)
Swimsuits For All (17)
Unique Vintage (7)

One-Piece Swimwear (126)
Swim Tops (1)
Swimdresses (4)
Swimsuits (99)
Two-Piece Swimwear Sets (14)
Wire Free / Wireless Bras (26)

Bikini Tops (1)

Crinkle (9)
Crochet (1)
Elastane (68)
Jacquard (3)
Jersey (14)
Knit (2)
Mesh (5)
Nylon (67)
Polyamide (12)
Polyester (32)
Polyester Blend (17)
Spandex (32)

Short Length (3)

Sleeveless (79)
Short Sleeve (3)

Asymmetric Neck (4)
Crewneck (1)
Halter (12)
High Neck (3)
Keyhole (2)
One Shoulder (6)
Scoop Neck (7)
Square Neck (4)
Straight Neck (1)
Strapless/Tube (5)
Sweetheart Neck (10)
U Neck (3)
V Neck (42)

Swim (100)

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

Maximum Coverage (60)
Moderate Coverage (27)
Minimal Coverage (13)

Adjustable Strap (52)
Cross Back (8)
Shoulder Strap (5)

Maximum Support (22)
Moderate Support (52)
Minimal Support (24)

Up to $19.99 (2)
From $20.00 to $39.99 (2)
From $40.00 to $59.99 (46)
From $60.00 to $79.99 (74)
From $80.00 to $99.99 (7)
From $100.00 to $249.99 (12)

Color Options

Expressivo

IguanaMerlot

Birds of Paradise

PothosNephrite

Black Bio

SkyGeode

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)
Green Zebra Stripe Suit
by ELOQUII

SFCC

$129.95

5.0 out of 5 Customer Rating (2)
Color Options

IguanaMerlot

SkyGeode

PothosNephrite

Black Bio

Birds of Paradise

Expressivo

Wave One Piece II
by NOMADS SWIMWEAR

SFCC

$210.00
New

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

BLACK

ROYAL

BRIGHT BERRY

LUXE

VERY FUCHSIA

SALTWATER HAPPY

Ruched Twist Front One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $92.00 to~~ $46.00 Save $46.00 50%

4.1 out of 5 Customer Rating (685)
String One Shoulder With Front Cut-Out
by ELOQUII

SFCC

~~Price reduced from $129.95 to~~ NOW $59!
$59.00
Save $70.95 54%

5.0 out of 5 Customer Rating (2)
Best Seller

Color Options

BLACK

MEDITERRANEAN

BLUE

RED

FIRE CORAL

Lattice Plunge One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $124.00 to~~ From $19.98 – $62.00 Save up to $104.02 83%

4.2 out of 5 Customer Rating (235)
Best Seller

Color Options

BLACK

MILITARY

RUBY

BEAUTIFUL BLUE

SPICE

Shirred Underwire One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $115.00 to~~ $69.00 Save $46.00 40%

4.2 out of 5 Customer Rating (41)
Best Seller

Color Options

RED FLORAL

BLACK

NAVY PIN DOT

High Neck Wrap One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $129.00 to~~ $77.40 Save $51.60 40%

4.0 out of 5 Customer Rating (111)
Best Seller

Color Options

PAPAYA

FLUORESCENT PINK

EMERALD

Cup Sized Mesh Underwire One Piece Swimsuit
by Swimsuits For All

SFCC

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

3.9 out of 5 Customer Rating (8)
Best Seller

Color Options

MEDITERRANEAN

BLACK

SPICE

WHITE

LEMONADE

Underwire Lace Up One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $125.00 to~~ $100.00 Save $25.00 20%

3.4 out of 5 Customer Rating (7)
Best Seller

Color Options

ELECTRIC IRIS BLUE

BLACK

FIRE CORAL

Mesh Wrap Bandeau One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $92.00 to~~ From $27.98 – $46.00 Save up to $64.02 69%

4.2 out of 5 Customer Rating (23)
Best Seller

Color Options

BLACK

AMETHYST

Twist Ruched One Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $92.00 to~~ $46.00 Save $46.00 50%

3.9 out of 5 Customer Rating (57)
Golden Metallic Adjustable One-Piece Swimsuit
by Swimsuits For All

SFCC

~~Price reduced from $104.00 to~~ $62.40 Save $41.60 40%

3.5 out of 5 Customer Rating (2)

Related Products

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 Slimming One Piece Swimsuit Plus Size One Piece Swim Dress Pattern Swimsuits Skirted Swimsuits Plus Size Cross Back One Piece Swimwear Plus Size Two Piece Bathing Suits For Women

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.