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 one-pieces for vacation glamour, one-shoulder swimsuits for sculptural lines, 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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563 products
View All Plunge One-Shoulder D+ Cup Triangle Bandeau Bralette Halter High Neck High-Waist High-Leg Pushup Underwire

Luli Fama: Square Neck One-Piece
Square Neck One-Piece
Luli Fama
SKU: 135-3609
$224.00
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Luli Fama: Square Neck One-Piece
Square Neck One-Piece
Luli Fama
SKU: 135-3615
$198.00
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Vix: Gal Isa One-Piece
Gal Isa One-Piece
Vix
SKU: 305-3605
$278.00
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Vix: Harper Li One Piece
Harper Li One Piece
Vix
SKU: 305-3724
$368.00
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Vix: Harper Li One Piece
Harper Li One Piece
Vix
SKU: 305-3720
$368.00
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Vix: Josi Bianca One-Piece
Josi Bianca One-Piece
Vix
SKU: 305-3497
$298.00
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Vix: Mabel One-Piece
Mabel One-Piece
Vix
SKU: 305-3473
$298.00
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Vix: Meera Bandeau One-Piece
Meera Bandeau One-Piece
Vix
SKU: 305-3690
$328.00
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Vix: Nika One-Piece
Nika One-Piece
Vix
SKU: 305-3647
$298.00
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Vix: Paige Claire One-Piece
Paige Claire One-Piece
Vix
SKU: 305-3653
$298.00
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Vix: Petra Babi One-Piece
Petra Babi One-Piece
Vix
SKU: 305-3540
$298.00
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Vix: Petra Babi One-Piece
Petra Babi One-Piece
Vix
SKU: 305-3533
$298.00
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Andrea Iyamah: Andes One-Piece
Andes One-Piece
Andrea Iyamah
SKU: 880-541
$255.00
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Andrea Iyamah: Kuji One-Piece
Kuji One-Piece
Andrea Iyamah
SKU: 880-540
$290.00
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Andrea Iyamah: Tisi One-Piece
Tisi One-Piece
Andrea Iyamah
SKU: 880-483
$280.00
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Luli Fama: Deep V Ring One-Piece
Deep V Ring One-Piece
Luli Fama
SKU: 135-2857
$222.00
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LilyRose: Mimi One-Piece
Mimi One-Piece
LilyRose
SKU: 695-516
$400.00
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Robin Piccone: Olivia V Plunge One-Piece
Olivia V Plunge One-Piece
Robin Piccone
SKU: 720-976
$186.00
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LilyRose: Carolie One-Piece
Carolie One-Piece
LilyRose
SKU: 695-493
$330.00
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LilyRose: Carolie One-Piece
Carolie One-Piece
LilyRose
SKU: 695-492
$330.00
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LilyRose: Carolie One-Piece
Carolie One-Piece
LilyRose
SKU: 695-494
$330.00
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LilyRose: Carolie One-Piece
Carolie One-Piece
LilyRose
SKU: 695-495
$330.00
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LilyRose: Carolie One-Piece
Carolie One-Piece
LilyRose
SKU: 695-496
$330.00
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Vix: Janet Pina One-Piece
Janet Pina One-Piece
Vix
SKU: 305-3739
$358.00
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Vix: Brit One-Piece
Brit One-Piece
Vix
SKU: 305-3742
$278.00
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Vix: Janet Allie One-Piece
Janet Allie One-Piece
Vix
SKU: 305-3750
$298.00
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Agua Bendita: Mariel One-Piece
Mariel One-Piece
Agua Bendita
SKU: 450-3343
$235.00
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Agua Bendita: Posh One-Piece
Posh One-Piece
Agua Bendita
SKU: 450-3333
$235.00
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Agua Bendita: Luca One-Piece
Luca One-Piece
Agua Bendita
SKU: 450-3342
$180.00
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Change of Scenery: Taylor One-Piece
Taylor One-Piece
Change of Scenery
SKU: 168-167
$218.00
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L Space: Piper One-Piece
Piper One-Piece
L Space
SKU: 130-4644
$189.00
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L Space: La Femme One-Piece
La Femme One-Piece
L Space
SKU: 130-4647
$194.00
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Agua Bendita: Timy One-Piece
Timy One-Piece
Agua Bendita
SKU: 450-3391
$210.00
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Agua Bendita: Mariel One-Piece
Mariel One-Piece
Agua Bendita
SKU: 450-3390
$235.00
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PQ Swim: Mila Macrame Halter One-Piece
Mila Macrame Halter One-Piece
PQ Swim
SKU: 550-2940
$184.00
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PQ Swim: Paradise Halter One-Piece
Paradise Halter One-Piece
PQ Swim
SKU: 550-2958
$176.00
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L Space: Coast To Coast One-Piece
Coast To Coast One-Piece
L Space
SKU: 130-4583
$183.00
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Moderate One-Piece
Moderate One-Piece
Luli Fama
SKU: 135-3629
$224.00
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L Space: Solstice One Piece
Solstice One Piece
L Space
SKU: 130-3349
$220.00
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Maliluha: Radiance One-Piece
Radiance One-Piece
Maliluha
SKU: 140-209
$395.00
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PQ Swim: Alice One-Piece
Alice One-Piece
PQ Swim
SKU: 550-2824
$174.00
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PQ Swim: Embroidered Lettuce Edge Penelope One-Piece
Embroidered Lettuce Edge Penelope One-Piece
PQ Swim
SKU: 550-2887
$176.00
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PQ Swim: Isabel One-Piece
Isabel One-Piece
PQ Swim
SKU: 550-2905
$172.00
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PQ Swim: Josie One-Piece
Josie One-Piece
PQ Swim
SKU: 550-2932
$174.00
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PQ Swim: Marilyn One-Piece
Marilyn One-Piece
PQ Swim
SKU: 550-2921
$176.00
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PQ Swim: Mila One-Piece
Mila One-Piece
PQ Swim
SKU: 550-2934
$184.00
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PQ Swim: Remi One-Piece
Remi One-Piece
PQ Swim
SKU: 550-2911
$176.00
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L'Agence: Remi One-Piece
Remi One-Piece
L'Agence
SKU: 241-094
$245.00
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L'Agence: Lisa One-Piece
Lisa One-Piece
L'Agence
SKU: 241-093
$245.00
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L'Agence: Tory One-Piece
Tory One-Piece
L'Agence
SKU: 241-065
$335.00
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L'Agence: Lisa One-Piece
Lisa One-Piece
L'Agence
SKU: 241-066
$275.00
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L'Agence: Lisa Plunge One-Piece
Lisa Plunge One-Piece
L'Agence
SKU: 241-159
$275.00
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Agua Bendita: Koraline One-Piece
Koraline One-Piece
Agua Bendita
SKU: 450-3379
$235.00
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Agua Bendita: Domenica One-Piece
Domenica One-Piece
Agua Bendita
SKU: 450-3378
$298.00
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Gift Card
Gift Card
Swimwear World
SKU: 000-111
$550.00
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Malai: Lunaria One-Piece
Lunaria One-Piece
Malai
SKU: 600-3195
$176.00
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Malai: Icaro One-Piece
Icaro One-Piece
Malai
SKU: 600-3197
$180.00
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Malai: Twix One-Piece
Twix One-Piece
Malai
SKU: 600-3200
$164.00
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Malai: Goldstitch Deep Misha One-Piece
Goldstitch Deep Misha One-Piece
Malai
SKU: 600-3208
$180.00
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Robin Piccone: Ava One Knot One-Piece
Ava One Knot One-Piece
Robin Piccone
SKU: 720-713
$182.00
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Peixoto: Solea One-Piece
Solea One-Piece
Peixoto
SKU: 605-1431
$138.00
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Vix: Margot Juliette One-Piece
Margot Juliette One-Piece
Vix
SKU: 305-3785
$358.00
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PQ Swim: Ellie Underwire One-Piece
Ellie Underwire One-Piece
PQ Swim
SKU: 550-2960
$184.00
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L'Agence: Gabrielle High Neck One-Piece
Gabrielle High Neck One-Piece
L'Agence
SKU: 241-147
$245.00
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. Robin Piccone uses compression fabrics and structured construction for a sculpting, supportive fit, and Beach Riot offers padded one-piece styles. 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 Beach Riot, Robin Piccone, Agua Bendita, Beach Bunny, Devon Windsor, and Maaji — from minimal maillots to sculpted, statement styles.