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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L Space: Elise One-Piece
Elise One-Piece
L Space
Shimmering ombré one-piece, side ruching detail
SKU: 130-4597
$189.00
Top Only Bottom Only
L Space: Piper One-Piece
Piper One-Piece
L Space
Tropical-print one-piece, ruched center tie
SKU: 130-4593
$189.00
Top Only Bottom Only
L'Agence: Opus One-Piece
Best Seller
Opus One-Piece
L'Agence
Keyhole one-piece swimsuit, chain-detail halter tie
SKU: 241-121
$395.00
Top Only Bottom Only
Baobab: Asaka One-Piece
Asaka One-Piece
Baobab
One-shoulder swimsuit in red, ring-detail trim
SKU: 120-1330
$210.00
Top Only Bottom Only
Sale
Agua Bendita: Nadine One-Piece
Nadine One-Piece
Agua Bendita
Wine-red cutout one-piece, rope-tie waist
SKU: 450-3095
$180.00 $126.00 -30%
Top Only Bottom Only
Maliluha: Elyra One-Piece
Elyra One-Piece
Maliluha
Asymmetric one-piece swimsuit, gold water-drop motif
SKU: 140-201
$270.00
Top Only Bottom Only
Change of Scenery: Gabrielle One-Piece
Gabrielle One-Piece
Change of Scenery
Red plunging halter one-piece swimsuit, ring-trim front
SKU: 168-185
$178.00
Top Only Bottom Only
L Space: Elise One-Piece
Elise One-Piece
L Space
Side-tie one-piece swimsuit in pink
SKU: 130-4538
$176.00
Top Only Bottom Only
Kibys: Hannah One-Piece
Hannah One-Piece
Kibys
One-shoulder one-piece in burnt orange, side cutout
SKU: 134-258
$148.00
Top Only Bottom Only
Luli Fama: Deep V One-Piece
Deep V One-Piece
Luli Fama
Red abstract-print one-piece swimsuit, open tie back
SKU: 135-3503
$188.00
Top Only Bottom Only
Paramidonna: Hailey One-Piece
Hailey One-Piece
Paramidonna
Textured one-piece swimsuit, wide straps, deep scoop back
SKU: 148-355
$241.00
Top Only Bottom Only
Marie Oliver: Marissa One-Piece
Marissa One-Piece
Marie Oliver
Apricot one-shoulder swimsuit, trapunto ruffle detail
SKU: 181-052
$265.00
Top Only Bottom Only
Devon Windsor: Catalina Full-Piece
Catalina Full-Piece
Devon Windsor
V-cut one-piece swimsuit, removable buckle belt
SKU: 515-231
$165.00
Top Only Bottom Only
LilyRose: Mimi One-Piece
Best Seller
Mimi One-Piece
LilyRose
Pastel-yellow one-piece, mother-of-pearl ruffle hips
SKU: 695-420
$330.00
Top Only Bottom Only
Empress Brasil: Tulle Body One-Piece
Tulle Body One-Piece
Empress Brasil
Yellow tulle one-piece swimsuit, plunging draped bodice
SKU: 142-338
$190.00
Top Only Bottom Only
Sale
Maaji: Shamrock One-Piece
Shamrock One-Piece
Maaji
Ribbed underwire one-piece swimsuit, cut-out sides
SKU: 190-3693
$171.00 $102.60 -40%
Top Only Bottom Only
Change of Scenery: Ella One-Piece
Ella One-Piece
Change of Scenery
Zebra-print one-piece swimsuit, twist-front cutout bodice
SKU: 168-172
$178.00
Top Only Bottom Only
Change of Scenery: Kara One-Piece
Kara One-Piece
Change of Scenery
Zebra-print one-piece swimsuit, one-shoulder ring-detail strap
SKU: 168-171
$178.00
Top Only Bottom Only
L Space: Posie One-Piece
Posie One-Piece
L Space
Picot-trim one-piece, plunging open back
SKU: 130-4613
$194.00
Top Only Bottom Only
Baobab: Assia One-Piece
Assia One-Piece
Baobab
One-piece swimsuit, ring-detail straps, chocolate trim
SKU: 120-1224
$210.00
Top Only Bottom Only
Agua Bendita: Ellis One-Piece
Ellis One-Piece
Agua Bendita
Rhinestone front-knot one-piece, peacock-floral print
SKU: 450-3209
$210.00
Top Only Bottom Only
Agua Bendita: Kali One-Piece
Kali One-Piece
Agua Bendita
Reversible lace-up one-piece, rococo floral print
SKU: 450-3168
$210.00
Top Only Bottom Only
Armantia: Yasmin One-Piece
Yasmin One-Piece
Armantia
Lilac one-piece swimsuit, banana-fiber bust panels, tie-back
SKU: 144-079
$306.00
Top Only Bottom Only
Armantia: Yanet One-Piece
Low Stock
Yanet One-Piece
Armantia
Lilac cut-out one-piece swimsuit, banana-fiber straps
SKU: 144-078
$295.00
Top Only Bottom Only
L Space: Coast To Coast One-Piece
Coast To Coast One-Piece
L Space
Ribbed one-piece in pink, wrap-front halter neckline
SKU: 130-4583
$183.00
Top Only Bottom Only
Devon Windsor: Catalina Full-Piece
Catalina Full-Piece
Devon Windsor
V-cut one-piece swimsuit, removable buckle belt
SKU: 515-230
$165.00
Top Only Bottom Only
Agua Bendita: Timy One-Piece
Timy One-Piece
Agua Bendita
Cutout one-piece, hot pink, open back
SKU: 450-3310
$180.00
Top Only Bottom Only
Agua Bendita: Rose One-Piece
Rose One-Piece
Agua Bendita
Minimalist one-piece, coral, ruffled hips
SKU: 450-3288
$180.00
Top Only Bottom Only
L Space: Nadia One-Piece
Best Seller
Nadia One-Piece
L Space
Scallop-trim one-piece in cocoa brown, low back
SKU: 130-4589
$176.00
Top Only Bottom Only
L'Agence: Remi One-Piece
Remi One-Piece
L'Agence
Curved-neck one-piece swimsuit, chain-accent straps
SKU: 241-126
$295.00
Top Only Bottom Only
Capittana: Ania One-Piece
Ania One-Piece
Capittana
Polka-dot corset one-piece, belted ruched back
SKU: 610-857
$200.00
Top Only Bottom Only
L'Agence: Lilou One-Piece
Lilou One-Piece
L'Agence
Deep-V one-piece swimsuit, chain-detail straps
SKU: 241-125
$285.00
Top Only Bottom Only
Baobab: Asaka One-Piece
Asaka One-Piece
Baobab
One-shoulder swimsuit in espresso, lilac contrast trim
SKU: 120-1238
$200.00
Top Only Bottom Only
Agua Bendita: Ina One-Piece
Ina One-Piece
Agua Bendita
Shimmery one-piece, deep V, gathered waist
SKU: 450-3228
$180.00
Top Only Bottom Only
Maliluha: Helia One-Piece
Helia One-Piece
Maliluha
One-piece swimsuit, mother-of-pearl strap detailing
SKU: 140-205
$280.00
Top Only Bottom Only
Maliluha: Juliette One-Piece
Juliette One-Piece
Maliluha
Eyelet-detail one-piece swimsuit, sculptural cut-outs
SKU: 140-200
$300.00
Top Only Bottom Only
Seashell: Katerin One-Piece
Katerin One-Piece
Seashell
Milk-white balconette one-piece, seashell trim, removable straps
SKU: 146-268
$230.00
Top Only Bottom Only
LilyRose: Capri One-Piece
Capri One-Piece
LilyRose
Taupe one-piece, seashell-trimmed neckline
SKU: 695-411
$310.00
Top Only Bottom Only
L'Agence: Tory One-Piece
Tory One-Piece
L'Agence
Sculpted-neckline one-piece swimsuit, high-cut leg
SKU: 241-107
$275.00
Top Only Bottom Only
L'Agence: Mila One-Piece
Best Seller
Mila One-Piece
L'Agence
Color-block monogram one-piece, front button detail
SKU: 241-108
$280.00
Top Only Bottom Only
L Space: Piper One-Piece
Piper One-Piece
L Space
Floral-print one-piece, plunging V and keyhole cutout
SKU: 130-4411
$189.00
Top Only Bottom Only
Agua Bendita: Valmy One-Piece
Best Seller
Valmy One-Piece
Agua Bendita
Hand-embroidered one-piece, green and red print
SKU: 450-3315
$260.00
Top Only Bottom Only
Agua Bendita: Priscila One-Piece
Priscila One-Piece
Agua Bendita
Lace-up deep-V one-piece, patchwork fruit-floral print
SKU: 450-3266
$220.00
Top Only Bottom Only
Agua Bendita: Posh One-Piece
Posh One-Piece
Agua Bendita
Reversible lace-up one-piece, square neckline
SKU: 450-3232
$210.00
Top Only Bottom Only
Marie Oliver: Cora One-Piece
Cora One-Piece
Marie Oliver
Red one-piece swimsuit, tortoiseshell ring cutout detail
SKU: 181-081
$250.00
Top Only Bottom Only
Sale
Marie Oliver: Finn One-Piece
Finn One-Piece
Marie Oliver
Plunge one-piece swimsuit, ruched shoulders, tortoiseshell belt
SKU: 181-071
$250.00 $150.00 -40%
Top Only Bottom Only
Oye Swimwear: Lea One-Piece
Lea One-Piece
Oye Swimwear
Yellow one-piece swimsuit, zip-front deep-V neckline
SKU: 330-616
$395.00
Top Only Bottom Only
Oye Swimwear: Elvira Daring One-Piece
Elvira Daring One-Piece
Oye Swimwear
Mustard one-piece swimsuit, side cutouts, hook-back closure
SKU: 330-618
$395.00
Top Only Bottom Only
Aguaclara: Dune-193 One-Piece
Dune-193 One-Piece
Aguaclara
Satin one-piece swimsuit, cut-out detail
SKU: 115-667
$218.00
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Square-neck one-piece swimsuit, lace-up sides
SKU: 135-3343
$222.00
Top Only Bottom Only
Armantia: Veronica One-Piece
Veronica One-Piece
Armantia
Yellow one-piece swimsuit, tortoiseshell-ring cutout, tulle insert
SKU: 144-077
$295.00
Top Only Bottom Only
LilyRose: Ariel One-Piece
Ariel One-Piece
LilyRose
Olive one-piece, mother-of-pearl neckline
SKU: 695-428
$405.00
Top Only Bottom Only
LilyRose: Capri One-Piece
Capri One-Piece
LilyRose
Olive one-piece, seashell-trimmed neckline
SKU: 695-412
$310.00
Top Only Bottom Only
Paramidonna: Marisia One-Piece
Marisia One-Piece
Paramidonna
Textured one-piece swimsuit, thin straps, contrast trim
SKU: 148-349
$251.00
Top Only Bottom Only
Malai: Twix One-Piece
Twix One-Piece
Malai
Textured green one-piece, midriff cutout and twist front
SKU: 600-3064
$169.00
Top Only Bottom Only
Beach Bunny: Neomi One-Piece
Neomi One-Piece
Beach Bunny
Blue glitter plunge one-piece, pearl accents
SKU: 650-1618
$175.00
Top Only Bottom Only
Change of Scenery: Jori One-Piece
Jori One-Piece
Change of Scenery
Blue textured one-piece swimsuit, square neckline, cheeky back
SKU: 168-183
$198.00
Top Only Bottom Only
Change of Scenery: Kara One-Piece
Kara One-Piece
Change of Scenery
Blue ribbed one-piece swimsuit, tortoise-ring shoulder strap
SKU: 168-160
$168.00
Top Only Bottom Only
Kibys: Nube One-Piece
Nube One-Piece
Kibys
Shiny one-piece, square neckline and knotted strap
SKU: 134-244
$148.00
Top Only Bottom Only
LilyRose: Mimi One-Piece
Mimi One-Piece
LilyRose
Pink one-piece, mother-of-pearl embellished ruffle hips
SKU: 695-419
$330.00
Top Only Bottom Only
Luli Fama: Halter Ring One-Piece
Halter Ring One-Piece
Luli Fama
Pink one-piece swimsuit, gold ring front accents
SKU: 135-3461
$220.00
Top Only Bottom Only
Paramidonna: Marisia One-Piece
Marisia One-Piece
Paramidonna
Textured one-piece swimsuit, thin straps, contrast trim
SKU: 148-350
$251.00
Top Only Bottom Only
Maliluha: Luna One-Piece
Luna One-Piece
Maliluha
Scoop-neck one-piece swimsuit, allover metallic eyelets
SKU: 140-208
$395.00
Top Only Bottom Only
Seashell: Skyler One-Piece
Skyler One-Piece
Seashell
Latte-white high-leg one-piece swimsuit, pearl chain straps
SKU: 146-258
$230.00
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.