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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767 products
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Devon Windsor: Catalina Full-Piece
Catalina Full-Piece
Devon Windsor
Adjustable straps one-piece
SKU: 515-231
$165.00
Top Only Bottom Only
LilyRose: Mimi One-Piece
Best Seller
Mimi One-Piece
LilyRose
Ruffle-detailed one-piece
SKU: 695-420
$330.00
Top Only Bottom Only
Aguaclara: Dune-182 One Shoulder One-Piece
Dune-182 One Shoulder One-Piece
Aguaclara
One-shoulder one-piece
SKU: 115-668
$259.00
Top Only Bottom Only
Empress Brasil: Tulle Body One-Piece
Tulle Body One-Piece
Empress Brasil
Plunging neckline one-piece
SKU: 142-338
$190.00
Top Only Bottom Only
Maaji: Shamrock One-Piece
Best Seller
Shamrock One-Piece
Maaji
Structured underwire one-piece
SKU: 190-3693
$171.00
Top Only Bottom Only
Paramidonna: Frida One-Piece
Frida One-Piece
Paramidonna
Sleek bandeau one-piece
SKU: 148-360
$251.00
Top Only Bottom Only
L Space: Elise One-Piece
Elise One-Piece
L Space
Straight neckline one-piece
SKU: 130-4538
$176.00
Top Only Bottom Only
Luli Fama: Deep V One-Piece
Deep V One-Piece
Luli Fama
Timeless one-piece
SKU: 135-3503
$188.00
Top Only Bottom Only
Anais Margaux: Lea Textured One-Piece
Lea Textured One-Piece
Anais Margaux
Textured fabric one-piece
SKU: 870-124
$199.00
Top Only Bottom Only
Paramidonna: Hailey One-Piece
Hailey One-Piece
Paramidonna
Backless design one-piece
SKU: 148-355
$241.00
Top Only Bottom Only
Marie Oliver: Marissa One-Piece
Marissa One-Piece
Marie Oliver
Ruffle design one-piece
SKU: 181-052
$265.00
Top Only Bottom Only
LilyRose: Nicole One-Piece
Nicole One-Piece
LilyRose
Halter style one-piece
SKU: 695-394
$275.00
Top Only Bottom Only
Agua Bendita: Nadine One-Piece
Nadine One-Piece
Agua Bendita
Side cut-out one-piece
SKU: 450-3095
$180.00
Top Only Bottom Only
Vitamin A: Lolita One-Piece
Lolita One-Piece
Vitamin A
Removable straps one-piece
SKU: 295-1846
$210.00
Top Only Bottom Only
Maaji: Genova One-Piece
Genova One-Piece
Maaji
Straight neckline one-piece
SKU: 190-3814
$171.00
Top Only Bottom Only
Paramidonna: Adriana One-Piece
Adriana One-Piece
Paramidonna
Pearl design one-piece
SKU: 148-358
$251.00
Top Only Bottom Only
Seashell: Katerin Balconette One-Piece Swimsuit
Katerin Balconette One-Piece Swimsuit
Seashell
Balconette one-piece
SKU: 146-247
$275.00
Top Only Bottom Only
Robin Piccone: Ava Bandeau One-Piece
Ava Bandeau One-Piece
Robin Piccone
Strapless bandeau design one-piece
SKU: 720-717
$182.00
Top Only Bottom Only
L'Agence: Opus One-Piece
Opus One-Piece
L'Agence
Delicate one-piece
SKU: 241-121
$395.00
Top Only Bottom Only
L Space: Piper One-Piece
Piper One-Piece
L Space
Adjustable straps one-piece
SKU: 130-4458
$189.00
Top Only Bottom Only
Vitamin A: Nova One-Piece
Nova One-Piece
Vitamin A
Scoop neckline one-piece
SKU: 295-1884
$165.00
Top Only Bottom Only
L'Agence: Remi One-Piece
Remi One-Piece
L'Agence
Stylish one-piece
SKU: 241-074
$285.00
Top Only Bottom Only
L Space: Holly One-Piece
Holly One-Piece
L Space
Elongated neckline one-piece
SKU: 130-4530
$176.00
Top Only Bottom Only
L Space: Piper One-Piece
Piper One-Piece
L Space
Classic one-piece
SKU: 130-4411
$189.00
Top Only Bottom Only
L'Agence: Remi One-Piece
Remi One-Piece
L'Agence
Elegant and timeless one-piece
SKU: 241-126
$295.00
Top Only Bottom Only
Baobab: Asaka One-Piece
Asaka One-Piece
Baobab
Asymmetrical design one-piece
SKU: 120-1238
$200.00
Top Only Bottom Only
L'Agence: Lilou One-Piece
Lilou One-Piece
L'Agence
Rich and vibrant one-piece
SKU: 241-125
$285.00
Top Only Bottom Only
Vitamin A: Ada Underwire One-Piece
Ada Underwire One-Piece
Vitamin A
Jacquard texture one-piece
SKU: 295-1898
$185.00
Top Only Bottom Only
Capittana: Ania One-Piece
Ania One-Piece
Capittana
Coset-style one-piece
SKU: 610-857
$200.00
Top Only Bottom Only
Vitamin A: Gia One-Piece
Best Seller
Gia One-Piece
Vitamin A
Cut-out detail one-piece
SKU: 295-1909
$165.00
Top Only Bottom Only
Agua Bendita: Ina One-Piece
Ina One-Piece
Agua Bendita
Deep v-neck one-piece
SKU: 450-3228
$180.00
Top Only Bottom Only
Empress Brasil: Lily Body One-Piece
Lily Body One-Piece
Empress Brasil
Deep v-neck one-piece
SKU: 142-385
$250.00
Top Only Bottom Only
Armantia: Yanet One-Piece
Best Seller
Yanet One-Piece
Armantia
Plunging neckline one-piece
SKU: 144-057
$295.00
Top Only Bottom Only
Oye Swimwear: Bix One-Piece
Bix One-Piece
Oye Swimwear
Sheer mesh one-piece
SKU: 330-636
$375.00
Top Only Bottom Only
L'Agence: Lisa One-Piece
Lisa One-Piece
L'Agence
Vintage-inspired one-piece
SKU: 241-066
$275.00
Top Only Bottom Only
Devon Windsor: Catalina Full-Piece
Best Seller
Catalina Full-Piece
Devon Windsor
Adjustable straps one-piece
SKU: 515-230
$165.00
Top Only Bottom Only
L'Agence: Amie One-Piece
Amie One-Piece
L'Agence
Flattering one-piece
SKU: 241-064
$300.00
Top Only Bottom Only
LilyRose: Mimi One-Piece
Mimi One-Piece
LilyRose
Ruffle-detailed one-piece
SKU: 695-419
$330.00
Top Only Bottom Only
Luli Fama: Halter Ring One-Piece
Halter Ring One-Piece
Luli Fama
Striking one-piece
SKU: 135-3461
$220.00
Top Only Bottom Only
Paramidonna: Olivia One-Piece
Olivia One-Piece
Paramidonna
Central ring accent one-piece
SKU: 148-074
$230.00
Top Only Bottom Only
Baobab: Kara One-Piece
Kara One-Piece
Baobab
Halter ties one-piece
SKU: 120-1318
$200.00
Top Only Bottom Only
Armantia: Yasmin One-Piece
Yasmin One-Piece
Armantia
Pastel banded one-piece
SKU: 144-079
$306.00
Top Only Bottom Only
Armantia: Yanet One-Piece
Low Stock
Yanet One-Piece
Armantia
Cut-out one-piece
SKU: 144-078
$295.00
Top Only Bottom Only
Malai: Twix One Piece
Twix One Piece
Malai
Modern one-piece
SKU: 600-3107
$169.00
Top Only Bottom Only
Seashell: Nancy One Piece
Nancy One Piece
Seashell
Strapless one piece swimsuit
SKU: 146-194
$285.00
Top Only Bottom Only
Baobab: Assia One-Piece
Assia One-Piece
Baobab
Adjustable straps one-piece
SKU: 120-1224
$210.00
Top Only Bottom Only
Vitamin A: Terra Cut Out One-Piece
Terra Cut Out One-Piece
Vitamin A
Cut-out detail one-piece
SKU: 295-1942
$175.00
Top Only Bottom Only
Agua Bendita: Kali One-Piece
Kali One-Piece
Agua Bendita
Sleek one-piece
SKU: 450-3168
$210.00
Top Only Bottom Only
Agua Bendita: Minnie One-Piece
Minnie One-Piece
Agua Bendita
Crossover halter one-piece
SKU: 450-3050
$180.00
Top Only Bottom Only
LilyRose: Capri One-Piece
Capri One-Piece
LilyRose
Seashell embellished one-piece
SKU: 695-410
$310.00
Top Only Bottom Only
Luli Fama: Ruched Front One-Piece
Ruched Front One-Piece
Luli Fama
Elegant resort-ready one-piece
SKU: 135-3455
$200.00
Top Only Bottom Only
Vitamin A: Jenna One-Piece
Jenna One-Piece
Vitamin A
Square neckline one-piece
SKU: 295-1920
$165.00
Top Only Bottom Only
Vitamin A: Jenna One-Piece
Jenna One-Piece
Vitamin A
Square neckline one-piece
SKU: 295-1930
$165.00
Top Only Bottom Only
Baobab: Saka One-Piece
Best Seller
Saka One-Piece
Baobab
One shoulder design one-piece
SKU: 120-1174
$220.00
Top Only Bottom Only
LilyRose: Capri One-Piece
Capri One-Piece
LilyRose
Seashell embellished one-piece
SKU: 695-412
$310.00
Top Only Bottom Only
LilyRose: Ariel One-Piece
Ariel One-Piece
LilyRose
Pearl embellished one-piece
SKU: 695-428
$405.00
Top Only Bottom Only
Armantia: Veronica One-Piece
Best Seller
Veronica One-Piece
Armantia
Cut-out one-piece
SKU: 144-067
$295.00
Top Only Bottom Only
LilyRose: Capri One-Piece
Capri One-Piece
LilyRose
Seashell embellished one-piece
SKU: 695-411
$310.00
Top Only Bottom Only
Oye Swimwear: Athena One Piece
Athena One Piece
Oye Swimwear
Silver plunging neckline one piece
SKU: 330-294
$350.00
Top Only Bottom Only
L'Agence: Tory One-Piece
Tory One-Piece
L'Agence
Elegant one-piece
SKU: 241-107
$275.00
Top Only Bottom Only
L'Agence: Lisa One-Piece
Lisa One-Piece
L'Agence
Plunging neckline one-piece
SKU: 241-093
$245.00
Top Only Bottom Only
Vitamin A: Nova One-Piece
Nova One-Piece
Vitamin A
Scoop neckline one-piece
SKU: 295-1860
$165.00
Top Only Bottom Only
L Space: Nadia One-Piece
Nadia One-Piece
L Space
Scoop front one-piece
SKU: 130-4279
$176.00
Top Only Bottom Only
L'Agence: Mila One-Piece
Mila One-Piece
L'Agence
Refined one-piece
SKU: 241-108
$280.00
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.