Skip to main content

The Summer Clearance Event - Enjoy Savings up to 30-65% off select styles - SHOP NOW

Free 6-Piece Gift With Any Estée Lauder purchase of $75 or more.* - SHOP NOW

EARN POINTS WHEN YOU USE YOUR DILLARD’S CREDIT CARD - LEARN MORE

Venmo Now Available! Select Venmo At Checkout For A Faster Way To Pay.

  • Dillard's Logo
  • Back In Stock
  • Sale and Clearance
  • Shop By Brand
  • Limited Availability
  • Credit Card
  • Store LocatorFind a Store
Dillard's Homepage
When typing in this field, a list of search results will appear and be automatically updated as you type.
User Login IconLogin
  • Login
  • My Dillard's Account
  • Just For You
  • Order History
  • Returns
  • My Wish List
  • Find a Store
Shopping Bag(0) items in cart
  • Women
  • Juniors
  • Men
  • Kids
  • Shoes
  • Handbags
  • Accessories
  • Lingerie
  • Home
  • Beauty
  • Dillard's Exclusive
  • Just For You
  • Women's Clothing
  • Swimsuits & Cover-Ups
  • One-Piece

square : Women's One-Piece Swimsuits

Just For You
  • Just For You
    (Edit)
Sale
  • Sale

Brand

search
Brand
  • A Loves A
  • Antonio Melani
  • Becca by Rebecca Virtue
  • Bleu Rod Beattie
  • Gottex
  • Janela Bay
  • Jantzen
  • JOHNNY WAS
  • La Blanca
  • Magicsuit
  • Mimi Flamingo
  • Miraclesuit
  • Profile by Gottex
  • Raisins
  • Rip Curl
  • Sanctuary
  • Shape Solver
  • Tommy Bahama
color
  • Black
  • Blue
  • Floral
size
  • One Size
  • S
  • XL
  • XXL
  • 6
  • 8
  • 10
  • 12
  • 14
  • 16
  • 46 Items
Jantzen Jolie Solid Square Neck Underwire Tummy Control One Piece SwimsuitJolie Solid Square Neck Underwire Tummy Control One Piece Swimsuit

JantzenJolie Solid Square Neck Underwire Tummy Control One Piece Swimsuit

Rated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 stars(5)
Miraclesuit Rock Solid Starr Square Neck Underwire One Piece SwimsuitRock Solid Starr Square Neck Underwire One Piece Swimsuit

MiraclesuitRock Solid Starr Square Neck Underwire One Piece Swimsuit

Save on Select Items
Orig.
Now
Rated 3.8182 out of 5 starsRated 3.8182 out of 5 starsRated 3.8182 out of 5 starsRated 3.8182 out of 5 starsRated 3.8182 out of 5 stars(22)
Miraclesuit Rock Solid Orla Square Neck Underwire Bra Swim DressRock Solid Orla Square Neck Underwire Bra Swim Dress

MiraclesuitRock Solid Orla Square Neck Underwire Bra Swim Dress

Rated 2.6667 out of 5 starsRated 2.6667 out of 5 starsRated 2.6667 out of 5 starsRated 2.6667 out of 5 starsRated 2.6667 out of 5 stars(3)
Tommy Bahama Pearl Square Neck Ruched Tank One Piece SwimsuitPearl Square Neck Ruched Tank One Piece Swimsuit

Tommy BahamaPearl Square Neck Ruched Tank One Piece Swimsuit

Rated 4.3333 out of 5 starsRated 4.3333 out of 5 starsRated 4.3333 out of 5 starsRated 4.3333 out of 5 starsRated 4.3333 out of 5 stars(15)
Profile by Gottex Medina Solid Texture Square Neck Tummy Control Tank One Piece SwimsuitMedina Solid Texture Square Neck Tummy Control Tank One Piece Swimsuit

Profile by GottexMedina Solid Texture Square Neck Tummy Control Tank One Piece Swimsuit

Internet Exclusive
Magicsuit Taj Mahal Georgie Square Neck One Piece SwimsuitTaj Mahal Georgie Square Neck One Piece Swimsuit

MagicsuitTaj Mahal Georgie Square Neck One Piece Swimsuit

Rated 3.0 out of 5 starsRated 3.0 out of 5 starsRated 3.0 out of 5 starsRated 3.0 out of 5 starsRated 3.0 out of 5 stars(2)
Gottex Onyx Square Neck Tummy Control One Piece SwimsuitOnyx Square Neck Tummy Control One Piece Swimsuit

GottexOnyx Square Neck Tummy Control One Piece Swimsuit

Internet Exclusive
Gottex Mirage Square Neck Tummy Control One Piece SwimsuitMirage Square Neck Tummy Control One Piece Swimsuit

GottexMirage Square Neck Tummy Control One Piece Swimsuit

Rated 4.8333 out of 5 starsRated 4.8333 out of 5 starsRated 4.8333 out of 5 starsRated 4.8333 out of 5 starsRated 4.8333 out of 5 stars(6)
Jolie Solid Square Neck Underwire Tummy Control One Piece Swimsuit

PLACEHOLDERJolie Solid Square Neck Underwire Tummy Control One Piece Swimsuit

Rated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 stars(5)

JantzenSolid Ivana Square Neck One Piece Swimsuit

MagicsuitChrysalis Pareo Swim Cover-Up & Chrysalis Georgie Hidden Underwire Bra Square Neck One Piece Swimsuit

PLACEHOLDERJolie Solid Square Neck Underwire Tummy Control One Piece Swimsuit

Rated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 stars(5)

Profile by GottexJolene Texture Square Neck Lace Overlay Tank One Piece Swimsuit

MiraclesuitSpectra Lyra Color Block Square Neck Underwire One Piece Swimsuit

Rated 3.8333 out of 5 starsRated 3.8333 out of 5 starsRated 3.8333 out of 5 starsRated 3.8333 out of 5 starsRated 3.8333 out of 5 stars(6)

PLACEHOLDERJolie Solid Square Neck Underwire Tummy Control One Piece Swimsuit

Rated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 stars(5)

JOHNNY WASLilliana Reversible Square Neck Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now
Rated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 stars(1)

Tommy BahamaCosta Verde Square Neck Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now
Rated 4.5714 out of 5 starsRated 4.5714 out of 5 starsRated 4.5714 out of 5 starsRated 4.5714 out of 5 starsRated 4.5714 out of 5 stars(7)

PLACEHOLDERJolie Solid Square Neck Underwire Tummy Control One Piece Swimsuit

Rated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 starsRated 4.6 out of 5 stars(5)

Shape SolverSport Electrifying Square Neck Illusion Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now
Only size 8 available
Rated 4.7059 out of 5 starsRated 4.7059 out of 5 starsRated 4.7059 out of 5 starsRated 4.7059 out of 5 starsRated 4.7059 out of 5 stars(17)

Antonio MelaniFresco Square Neck Bandeau One Piece Swimsuit

Permanently Reduced
Orig.
Now
ContemporaryDillard's Exclusive
Rated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 stars(1)

Bleu Rod BeattieI'm With The Band Square Neck Contrast Trim One Piece Swimsuit

Permanently Reduced
Orig.
Now
Rated 4.5 out of 5 starsRated 4.5 out of 5 starsRated 4.5 out of 5 starsRated 4.5 out of 5 starsRated 4.5 out of 5 stars(2)

RaisinsCurve Plus Size Triana Square Neck Sleeveless One Piece Swim Dress

Permanently Reduced
Orig.
Now
Plus

RaisinsCurve Plus Size Triana Dotted Square Neck Underwire Bra One Piece Swim Dress

Permanently Reduced
Orig.
Now
Rated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 stars(1)

Shape SolverSport Phantasm Square Neck Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now
Rated 4.0 out of 5 starsRated 4.0 out of 5 starsRated 4.0 out of 5 starsRated 4.0 out of 5 starsRated 4.0 out of 5 stars(3)

Antonio MelaniSeashell Gallery Square Neck Bandeau One Piece Swimsuit

Permanently Reduced
Orig.
Now
ContemporaryDillard's Exclusive
Rated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 stars(2)

Antonio Melanix Amanda Jones Vaughan Macon 3D Floral Textured Square Neck One Piece Swimsuit

Permanently Reduced
Orig.
Now
ContemporaryDillard's Exclusive

Antonio MelaniMandarin Blooms Square Neck Bandeau One Piece Swimsuit

Permanently Reduced
Orig.
Now
ContemporaryDillard's Exclusive

A Loves ASeaside Reversible Square Neck Tie Shoulder Bandeau One Piece Swimsuit

Permanently Reduced
Orig.
Now
ContemporaryDillard's Exclusive
Only size L, XL available

Tommy BahamaPlaya Marbella Reversible Square Neck Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now
Rated 4.6667 out of 5 starsRated 4.6667 out of 5 starsRated 4.6667 out of 5 starsRated 4.6667 out of 5 starsRated 4.6667 out of 5 stars(6)

La BlancaWoven Shadow Abstract Square Neck One Piece Swimsuit

Permanently Reduced
Orig.
Now
Rated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 stars(1)

Janela BaySolid Stretch Ribbed Square Neck Wide Strap One Piece Swimsuit

Permanently Reduced
Orig.
Now
Rated 4.5 out of 5 starsRated 4.5 out of 5 starsRated 4.5 out of 5 starsRated 4.5 out of 5 starsRated 4.5 out of 5 stars(2)

Antonio Melanix Amanda Jones Vaughan Lala Jacquard Paisley Textured Square Neck One Piece Swimsuit

Permanently Reduced
Orig.
Now
ContemporaryDillard's Exclusive

La BlancaCoastal Club House Reversible Square Neck Bandeau One Piece Swimsuit

Permanently Reduced
Orig.
Now

JantzenIsla Flora Hilda Glam Square Neck One Piece Swimsuit

Permanently Reduced
Orig.
Now
Rated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 stars(1)

Janela BayRibbed Square Neck Double Ruffle Sleeve One Piece Swimsuit

Permanently Reduced
Orig.
Now

Janela BayBlack Ribbed Double Ruffle Sleeves Square Neck One Piece Swimsuit

Permanently Reduced
Orig.
Now

Tommy BahamaPalm Modern Stripe Maillot Square Neck Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now
Only size 10 available
Rated 4.0 out of 5 starsRated 4.0 out of 5 starsRated 4.0 out of 5 starsRated 4.0 out of 5 starsRated 4.0 out of 5 stars(2)

Becca by Rebecca VirtueColorblock Square Neck Corset One Piece Swimsuit

Permanently Reduced
Orig.
Now

Bleu Rod BeattieAhoy Captain Button Front Square Neck One Piece Swimsuit

Permanently Reduced
Orig.
Now

Janela BayStripe Square Neck Bow Strap One Piece Swimsuit

Permanently Reduced
Orig.
Now

Janela BaySolid Square Neck Double Ruffle One Piece Swimsuit

Permanently Reduced
Orig.
Now
Rated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 stars(4)

RaisinsCurve Plus Size Shaka Square Neck Lace Up Back One Piece Swimsuit

Permanently Reduced
Orig.
Now
Plus

La BlancaCoastal Club House Square Neck Removable Belt Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now

Rip CurlPremium Surf Solid Ribbed Square Neck D-DD Bra Size Underwire One Piece Swimsuit

Permanently Reduced
Orig.
Now
Juniors

Janela BayColorblock Square Neck One Piece Swimsuit

Permanently Reduced
Orig.
Now

Janela BaySolid Eyelet Square Neck One Piece Swimsuit

Permanently Reduced
Orig.
Now

SanctuaryPretty In Provence Square Neck Side Shirred One Piece Swimsuit

Permanently Reduced
Orig.
Now
Contemporary

Mimi FlamingoHarper Solid Square Neck Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now
Internet Exclusive
Only size 16 available
Rated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 starsRated 5.0 out of 5 stars(1)

GottexPorto Square Neck Chain Strap Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now
Internet Exclusive
Only size 10 available
Gottex Pretty Women Floral Print Square Neck Underwire Tank One Piece SwimsuitPretty Women Floral Print Square Neck Underwire Tank One Piece Swimsuit

GottexPretty Women Floral Print Square Neck Underwire Tank One Piece Swimsuit

Permanently Reduced
Orig.
Now
Internet Exclusive
Only size 10 available
  • 46 Items

Customer Service

  • Contact Us
  • FAQ, Notices & Policies
  • Product Recalls
  • Returns
  • FAQ, Notices & Policies
  • Product Recalls

Dillard's Credit Card

  • Apply for a Dillard's Card Apply for a Dillard's Card
  • Pay Bill / View Credit Account Opens a simulated dialog
  • Dillard's Cardholder Benefits Dillard's Cardholder Benefits

Contact Us

  • Call 1-817-831-5482
  • Monday-Friday: 7AM-9PM GMT-6
  • Saturday-Sunday: 9AM-7PM GMT-6
  • Contact Us Via Email

More Ways To Shop

  • Registry - Wedding, Baby, and Gift
  • Gift Cards
  • Store Locations
  • Change Country
Stay in Touch.

Sign up for emails and get updates about
new products and the latest trends!

We Are Hiring!
Join our team
Click HERE to learn more
Be a Mobile VIP!

Sign up for texts and be the first to know
about upcoming sales and great offers.

We use certain tools to capture data related to when you open our messages, click on any links or banners it contains, or make purchases.

  • InstagramOpens Dillard's Instagram in a new window
  • FacebookOpens Dillard's Facebook in a new window
  • PintrestOpens Dillard's Pinterest in a new window
  • Twitter/XOpens Dillard's Twitter/X in a new window
  • YouTubeOpens Dillard's YouTube in a new window
  • TikTokOpens Dillard's TikTok in a new window
  • SnapchatOpens Dillard's Snapchat in a new window
  • Site Map
  • Terms Of Use
  • Terms Of Use
  • Dillard's Privacy Policy
  • Dillard's Privacy Policy
  • California Transparency in Supply Chains Act
  • California Transparency in Supply Chains Act
  • Careers
  • Investor Relations
  • About Us

Prices and sale offers may vary by store location, including Dillards.com, and are subject to change. © 2026 Dillard's

***