One-Pieces

All Swimwear Bikinis One-Pieces Kids Men

The designer one-piece is having a moment — and Swimwear World stocks the best of them. Sculpting maillots, plunging necklines, cutouts, surplice fronts, racerbacks, and classic scoop-necks from the brands defining contemporary swimwear.

Shop by silhouette

Plunge V-necks for vacation glamour, square-necks for clean modern lines, surplice and wrap fronts for figure flattery, cutouts and monokinis for statement looks, and classic scoop-back maillots for everyday wear.

Shop by fit

Sculpting compression-fabric one-pieces from Vitamin A and Robin Piccone, embellished and hand-finished pieces from Agua Bendita and Beach Bunny, and runway-inspired silhouettes from Devon Windsor.

Layer it up

A great one-piece doubles as a bodysuit under shorts or a skirt — shop our cover-ups and resort dresses to complete the look. Free US & Canada shipping.

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774 products
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Maaji: Triton One-Piece
Triton One-Piece
Maaji
Front zipper one-piece
SKU: 190-3659
$94.00
Top Only Bottom Only
Sale
::SALE
BF
PQ Swim: Aphrodite One Piece
Aphrodite One Piece
PQ Swim
Sexy tie dye one piece
SKU: 550-1622
$144.00 $57.60 -60%
Top Only Bottom Only
Robin Piccone: Willow Keyhole One-Piece
Willow Keyhole One-Piece
Robin Piccone
Adjustable straps one-piece
SKU: 720-940
$178.00
Top Only Bottom Only
Vix: Bell Penelope One-Piece
Bell Penelope One-Piece
Vix
Stylish and elevated one-piece
SKU: 305-3514
$298.00
Top Only Bottom Only
Robin Piccone: Nova Halter One-Piece
Nova Halter One-Piece
Robin Piccone
Halter-neck one-piece
SKU: 720-992
$186.00
Top Only Bottom Only
Seashell: Nancy One Piece
Nancy One Piece
Seashell
Strapless one piece swimsuit
SKU: 146-197
$285.00
Top Only Bottom Only
Robin Piccone: Amy One Piece V Neck
Amy One Piece V Neck
Robin Piccone
V-neck one piece
SKU: 720-548
$172.00
Top Only Bottom Only
Robin Piccone: Amy One Piece High Neck
Amy One Piece High Neck
Robin Piccone
High neck one piece
SKU: 720-544
$182.00
Top Only Bottom Only
Malai: Misha Hop One-Piece
Misha Hop One-Piece
Malai
Plunging neckline one-piece
SKU: 600-2975
$169.00
Top Only Bottom Only
Robin Piccone: Amy Raglan One-Piece
Amy Raglan One-Piece
Robin Piccone
V-neck one-piece
SKU: 720-878
$188.00
Top Only Bottom Only
Robin Piccone: Hailey Bandeau One-Piece
Hailey Bandeau One-Piece
Robin Piccone
Plunging neckline one-piece
SKU: 720-1017
$182.00
Top Only Bottom Only
Peixoto: Ruby One-Piece
Ruby One-Piece
Peixoto
Ruffle detailed one-piece
SKU: 605-1257
$178.00
Top Only Bottom Only
Luli Fama: Underwire Plunge One-Piece
Underwire Plunge One-Piece
Luli Fama
Plunging neckline one-piece
SKU: 135-3061
$214.00
Top Only Bottom Only
Beach Riot: Annalisa One-Piece
Annalisa One-Piece
Beach Riot
Keyhole detailed one-piece
SKU: 275-915
$168.00
Top Only Bottom Only
Change of Scenery: Kara One-Piece
Kara One-Piece
Change of Scenery
Sleek design one-piece
SKU: 168-128
$168.00
Top Only Bottom Only
Marie Oliver: Marissa One-Piece
Marissa One-Piece
Marie Oliver
Ruffle design one-piece
SKU: 181-043
$285.00
Top Only Bottom Only
Sale
PQ Swim: Eloise One Piece
Low Stock
Eloise One Piece
PQ Swim
Crisscross back one piece
SKU: 550-2574
$164.00 $98.40 -40%
Top Only Bottom Only
LilyRose: Rosie One-Piece
Rosie One-Piece
LilyRose
Colorblock design one-piecee
SKU: 695-373
$310.00
Top Only Bottom Only
LilyRose: Rosie One-Piece
Rosie One-Piece
LilyRose
Colorblock design one-piecee
SKU: 695-372
$310.00
Top Only Bottom Only
Maaji: Luster One-Piece
Luster One-Piece
Maaji
Tropical vibe one-piece
SKU: 190-3686
$211.00
Top Only Bottom Only
Agua Bendita: Monti One-Piece
Monti One-Piece
Agua Bendita
Front zip one-piece
SKU: 450-3230
$230.00
Top Only Bottom Only
Robin Piccone: Ava Halter Plunge One-Piece
Ava Halter Plunge One-Piece
Robin Piccone
Deep v-neck one-piece
SKU: 720-999
$198.00
Top Only Bottom Only
Luli Fama: Underwire Plunge One-Piece
Underwire Plunge One-Piece
Luli Fama
Plunging neckline one-piece
SKU: 135-2945
$214.00
Top Only Bottom Only
Vix: Bessie One-Piece
Bessie One-Piece
Vix
Plunge neckline one-piece
SKU: 305-3341
$268.00
Top Only Bottom Only
Oye Swimwear: Lavinia High Neck One-Piece
Lavinia High Neck One-Piece
Oye Swimwear
Gold buttons detailed one piece
SKU: 330-578
$350.00
Top Only Bottom Only
Change of Scenery: Juliette One-Piece
Juliette One-Piece
Change of Scenery
U-ring trim design one-piece
SKU: 168-126
$188.00
Top Only Bottom Only
Oye Swimwear: Celestina One-Piece
Celestina One-Piece
Oye Swimwear
Thick straps design one piece
SKU: 330-584
$350.00
Top Only Bottom Only
Oye Swimwear: Bond One-Piece
Bond One-Piece
Oye Swimwear
Plunging neckline design one piece
SKU: 330-581
$350.00
Top Only Bottom Only
BF
Empress Brasil: Sasha Body One-Piece
Sasha Body One-Piece
Empress Brasil
Open back design one-piece
SKU: 142-320
$165.00
Top Only Bottom Only
Beach Bunny: Rumi One-Piece
Rumi One-Piece
Beach Bunny
High-leg one-piece
SKU: 650-1437
$169.00
Top Only Bottom Only
Oye Swimwear: Celestina One-Piece
Celestina One-Piece
Oye Swimwear
Thick straps design one piece
SKU: 330-585
$350.00
Top Only Bottom Only
LilyRose: Allegra One-Piece
Allegra One-Piece
LilyRose
Ivory hue one-piece
SKU: 695-368
$310.00
Top Only Bottom Only
Sale
PQ Swim: Crochet Trim One Piece
Crochet Trim One Piece
PQ Swim
High quality fabric one piece
SKU: 550-2474
$168.00 $117.60 -30%
Top Only Bottom Only
L'Agence: Karmin One-Piece
Karmin One-Piece
L'Agence
Sleek design one-piece
SKU: 241-077
$265.00
Top Only Bottom Only
Luli Fama: V-Neck One-Piece Bodysuit
V-Neck One-Piece Bodysuit
Luli Fama
Strappy back design one-piece
SKU: 135-3282
$190.00
Top Only Bottom Only
Vix: Candice Elisa One-Piece
Candice Elisa One-Piece
Vix
Plunging neckline one-piece
SKU: 305-3254
$278.00
Top Only Bottom Only
Malai: Tag One-Piece
Tag One-Piece
Malai
Scoop neckline one-piece
SKU: 600-2887
$171.00
Top Only Bottom Only
Vix: Lily Kara One-Piece
Lily Kara One-Piece
Vix
Plunging neckline one-piece
SKU: 305-3284
$268.00
Top Only Bottom Only
Change of Scenery: Kara One-Piece
Kara One-Piece
Change of Scenery
Sleek one-shoulder one-piece
SKU: 168-140
$188.00
Top Only Bottom Only
Vix: Sade Bandeau One-Piece
Low Stock
Sade Bandeau One-Piece
Vix
Classic black fabric one-piece
SKU: 305-3398
$248.00
Top Only Bottom Only
Robin Piccone: Aubrey Bandeau One Piece
Best Seller
Aubrey Bandeau One Piece
Robin Piccone
Black bandeau one piece
SKU: 720-411
$180.00
Top Only Bottom Only
Oye Swimwear: Doris One Piece
Doris One Piece
Oye Swimwear
Twist detailed one piece
SKU: 330-426
$350.00
Top Only Bottom Only
Seashell: Calypso One Piece
Calypso One Piece
Seashell
Plunging neckline one piece
SKU: 146-114
$255.00
Top Only Bottom Only
Robin Piccone: Margot One Piece Lace Up Back
Margot One Piece Lace Up Back
Robin Piccone
Plunge neckline one piece
SKU: 720-664
$168.00
Top Only Bottom Only
Sale
::SALE
BF
Paramidonna: Frida One-Piece
Frida One-Piece
Paramidonna
Strapless bandeau one-piece
SKU: 148-133
$235.00 $141.00 -40%
Top Only Bottom Only
BF
We Wore What: Ruffle Asymmetrical One Piece
Ruffle Asymmetrical One Piece
We Wore What
Asymmetrical one piece
SKU: 710-242
$175.00
Top Only Bottom Only
Seashell: Nancy One Piece
Nancy One Piece
Seashell
Strapless one piece swimsuit
SKU: 146-205
$285.00
Top Only Bottom Only
Seashell: Scarlett One Piece
Scarlett One Piece
Seashell
High cut one-piece
SKU: 146-032
$290.00
Top Only Bottom Only
Armantia: Rosario One Piece
Rosario One Piece
Armantia
One-shoulder one piece
SKU: 144-006
$295.00
Top Only Bottom Only
Seashell: Serena One Piece
Serena One Piece
Seashell
Chic front hardware one piece
SKU: 146-037
$328.00
Top Only Bottom Only
Seashell: Jayne One Piece
Jayne One Piece
Seashell
Black off shoulder swimsuit
SKU: 146-220
$405.00
Top Only Bottom Only
Sale
Oye Swimwear: Venus
Low Stock
Venus
Oye Swimwear
Deep V-neckline one-piece
SKU: 330-170
$350.00 $210.00 -40%
Top Only Bottom Only
Oye Swimwear: Cindy One Piece
Cindy One Piece
Oye Swimwear
Striped mesh one piece
SKU: 330-485
$350.00
Top Only Bottom Only
Seashell: Carol One Piece
Carol One Piece
Seashell
Luxurious black one piece
SKU: 146-082
$162.00
Top Only Bottom Only
La Sirene: Queen One Piece
Queen One Piece
La Sirene
Strapless one piece
SKU: 156-020
$225.00
Top Only Bottom Only
Robin Piccone: Aubrey One Piece Keyhole
Aubrey One Piece Keyhole
Robin Piccone
V-neckline one piece
SKU: 720-413
$170.00
Top Only Bottom Only
Robin Piccone: Millie Plunge One-Piece
Millie Plunge One-Piece
Robin Piccone
Plunging neckline one-piece
SKU: 720-1021
$192.00
Top Only Bottom Only
Change of Scenery: Gabrielle One-Piece
Gabrielle One-Piece
Change of Scenery
Plunging neckline one-piece
SKU: 168-130
$178.00
Top Only Bottom Only
Sale
L Space: Descanso One-Piece
Descanso One-Piece
L Space
Wide straps one-piece
SKU: 130-4275
$198.00 $158.40 -20%
Top Only Bottom Only
Oye Swimwear: Chiara One Piece
Best Seller
Chiara One Piece
Oye Swimwear
Cross straps piece
SKU: 330-472
$350.00
Top Only Bottom Only
Oye Swimwear: Shaw One Piece
Shaw One Piece
Oye Swimwear
High neckline one piece
SKU: 330-475
$350.00
Top Only Bottom Only
Oye Swimwear: Lavinia Strapless One Piece
Lavinia Strapless One Piece
Oye Swimwear
Black strapless one piece
SKU: 330-376
$350.00
Top Only Bottom Only
Lavinia One Piece
Lavinia One Piece
Oye Swimwear
Black racer-back one piece
SKU: 330-382
$350.00
Top Only Bottom Only
Oye Swimwear: Silvana One Piece
Silvana One Piece
Oye Swimwear
Black plunging neckline one piece
SKU: 330-530
$350.00
Top Only Bottom Only

One-Pieces — Frequently Asked Questions

Very. One-pieces offer smoothing, support, and versatility. Plunge necklines elongate, square necks give clean modern lines, surplice and wrap fronts flatter the midsection, and cutouts add a statement without sacrificing coverage.

Many do. Brands like Vitamin A and Robin Piccone use compression fabrics and structured construction for a sculpting, supportive fit. Cup and support details are listed on each product page.

Yes — a great one-piece doubles as a bodysuit under shorts, skirts, or trousers, making it one of the most versatile pieces in a vacation wardrobe.

We carry designer one-pieces from labels including Vitamin A, Robin Piccone, Agua Bendita, Beach Bunny, Devon Windsor, and Maaji — from minimal maillots to sculpted, statement styles.