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

Oye Swimwear: Roman Plunge One-Piece
Roman Plunge One-Piece
Oye Swimwear
SKU: 330-622
$375.00
Top Only Bottom Only
Marie Oliver: Alana One-Piece
Alana One-Piece
Marie Oliver
SKU: 181-037
$225.00
Top Only Bottom Only
Devon Windsor: Sallie Full-Piece
Low Stock
Sallie Full-Piece
Devon Windsor
SKU: 515-180
$220.00
Top Only Bottom Only
Change of Scenery: Chloe One-Piece
Chloe One-Piece
Change of Scenery
SKU: 168-129
$198.00
Top Only Bottom Only
Luli Fama: Strappy Sides Bodysuit
Strappy Sides Bodysuit
Luli Fama
SKU: 135-3397
$234.00
Top Only Bottom Only
Marie Oliver: Attina One-Piece
Attina One-Piece
Marie Oliver
SKU: 181-036
$265.00
Top Only Bottom Only
Change of Scenery: Gabrielle One-Piece
Gabrielle One-Piece
Change of Scenery
SKU: 168-135
$198.00
Top Only Bottom Only
Change of Scenery: Chloe One-Piece
Chloe One-Piece
Change of Scenery
SKU: 168-134
$218.00
Top Only Bottom Only
Sale
Vix: Stacy One-Piece
Stacy One-Piece
Vix
SKU: 305-3202
$248.00 $148.80 -40%
Top Only Bottom Only
Beach Riot: Tropez One-Piece
Tropez One-Piece
Beach Riot
SKU: 275-908
$178.00
Top Only Bottom Only
Beach Riot: Stassia One-Piece
Stassia One-Piece
Beach Riot
SKU: 275-905
$168.00
Top Only Bottom Only
Luli Fama: Halter Ring One-Piece
Halter Ring One-Piece
Luli Fama
SKU: 135-3326
$234.00
Top Only Bottom Only
Marie Oliver: Attina One-Piece
Attina One-Piece
Marie Oliver
SKU: 181-055
$295.00
Top Only Bottom Only
Seashell: Sidney Balconette One-Piece
Sidney Balconette One-Piece
Seashell
SKU: 146-234
$275.00
Top Only Bottom Only
Acqua de Luxe: Aphrodite One-Piece
Aphrodite One-Piece
Acqua de Luxe
SKU: 525-005
$235.00
Top Only Bottom Only
Seashell: Katerin Balconette One-Piece Swimsuit
Katerin Balconette One-Piece Swimsuit
Seashell
SKU: 146-246
$275.00
Top Only Bottom Only
Yanet One Piece
Yanet One Piece
Armantia
SKU: 144-030
$295.00
Top Only Bottom Only
Seashell: Katerin Balconette One-Piece Swimsuit
Katerin Balconette One-Piece Swimsuit
Seashell
SKU: 146-245
$275.00
Top Only Bottom Only
BF
Empress Brasil: Una Body One-Piece
Una Body One-Piece
Empress Brasil
SKU: 142-256
$190.00
Top Only Bottom Only
Change of Scenery: Juliette One-Piece
Juliette One-Piece
Change of Scenery
SKU: 168-131
$198.00
Top Only Bottom Only
Seashell: Sidney Balconette One-Piece
Sidney Balconette One-Piece
Seashell
SKU: 146-240
$275.00
Top Only Bottom Only
L Space: Tatum One-Piece
Tatum One-Piece
L Space
SKU: 130-4395
$189.00
Top Only Bottom Only
Change of Scenery: Kara One-Piece
Kara One-Piece
Change of Scenery
SKU: 168-128
$168.00
Top Only Bottom Only
Peixoto: Ruby One-Piece
Ruby One-Piece
Peixoto
SKU: 605-1257
$178.00
Top Only Bottom Only
Sale
Luli Fama: Front Twist Halter One-Piece
Front Twist Halter One-Piece
Luli Fama
SKU: 135-2906
$202.00 $101.00 -50%
Top Only Bottom Only
BF
Empress Brasil: Gaia Body One-Piece
Gaia Body One-Piece
Empress Brasil
SKU: 142-282
$212.50
Top Only Bottom Only
Sale
Change of Scenery: Ella One-Piece
Ella One-Piece
Change of Scenery
SKU: 168-137
$178.00 $142.40 -20%
Top Only Bottom Only
Sale
PQ Swim: Embroidered Lettuce Edge Triangle-Embroidered Lettuce Edge Tie Side Bikini
Embroidered Lettuce Edge Triangle-Embroidered Lettuce Edge Tie Side Bikini
PQ Swim
SKU: 550-2761
$200.00 $100.00 -50%
Top Only Bottom Only
BF
Empress Brasil: Sasha Body One-Piece
Sasha Body One-Piece
Empress Brasil
SKU: 142-320
$165.00
Top Only Bottom Only
Agua Bendita: Monti One-Piece
Monti One-Piece
Agua Bendita
SKU: 450-3230
$230.00
Top Only Bottom Only
Sale
Vix: Candice Elisa One-Piece
Candice Elisa One-Piece
Vix
SKU: 305-3254
$278.00 $222.40 -20%
Top Only Bottom Only
Sale
Stone Fox Swim: Paola One-Piece
Low Stock
Paola One-Piece
Stone Fox Swim
SKU: 702-208
$160.00 $96.00 -40%
Top Only Bottom Only
Sale
Maaji: Biella One-Piece
Biella One-Piece
Maaji
SKU: 190-3946
$220.00 $154.00 -30%
Top Only Bottom Only
Vix: Edith One-Piece
Edith One-Piece
Vix
SKU: 305-3466
$298.00
Top Only Bottom Only
Beach Riot: Annalisa One-Piece
Annalisa One-Piece
Beach Riot
SKU: 275-915
$168.00
Top Only Bottom Only
Change of Scenery: Juliette One-Piece
Juliette One-Piece
Change of Scenery
SKU: 168-126
$188.00
Top Only Bottom Only
L Space: Holly One-Piece
Holly One-Piece
L Space
SKU: 130-4530
$176.00
Top Only Bottom Only
Sale
L Space: Piper One-Piece
Piper One-Piece
L Space
SKU: 130-4458
$189.00 $113.40 -40%
Top Only Bottom Only
Sale
PQ Swim: Beaded Brynn One Piece
Beaded Brynn One Piece
PQ Swim
SKU: 550-2535
$174.00 $104.40 -40%
Top Only Bottom Only
Robin Piccone: Tierna Keyhole One-Piece
Best Seller
Tierna Keyhole One-Piece
Robin Piccone
SKU: 720-953
$182.00
Top Only Bottom Only
Agua Bendita: Posh One-Piece
Posh One-Piece
Agua Bendita
SKU: 450-3261
$210.00
Top Only Bottom Only
Sale
Luli Fama: V-Neck One-Piece Bodysuit
V-Neck One-Piece Bodysuit
Luli Fama
SKU: 135-3282
$190.00 $114.00 -40%
Top Only Bottom Only
Sale
LilyRose: Rosie One-Piece
Rosie One-Piece
LilyRose
SKU: 695-372
$310.00 $186.00 -40%
Top Only Bottom Only
Sale
PQ Swim: Eloise One Piece
Low Stock
Eloise One Piece
PQ Swim
SKU: 550-2574
$164.00 $98.40 -40%
Top Only Bottom Only
Beach Riot: Stassia One-Piece
Stassia One-Piece
Beach Riot
SKU: 275-1043
$168.00
Top Only Bottom Only
Change of Scenery: Gabrielle One-Piece
Gabrielle One-Piece
Change of Scenery
SKU: 168-130
$178.00
Top Only Bottom Only
Sale
::SALE
BF
Aguaclara: Lemon-178 One-Piece
Lemon-178 One-Piece
Aguaclara
SKU: 115-513
$225.00 $67.50 -70%
Top Only Bottom Only
Sale
PQ Swim: Penelope One-Piece
Penelope One-Piece
PQ Swim
SKU: 550-2819
$164.00 $65.60 -60%
Top Only Bottom Only
BF
Empress Brasil: Dolly Body One-Piece
Dolly Body One-Piece
Empress Brasil
SKU: 142-305
$180.00
Top Only Bottom Only
BF
Empress Brasil: Chris Body One-Piece
Chris Body One-Piece
Empress Brasil
SKU: 142-255
$205.00
Top Only Bottom Only
Sale
Anais Margaux: Noelle Rib Glitter One-Piece
Noelle Rib Glitter One-Piece
Anais Margaux
SKU: 870-101
$199.00 $119.40 -40%
Top Only Bottom Only
Agua Bendita: Dome One-Piece
Dome One-Piece
Agua Bendita
SKU: 450-3290
$240.00
Top Only Bottom Only
Agua Bendita: Sory One-Piece
Sory One-Piece
Agua Bendita
SKU: 450-3170
$180.00
Top Only Bottom Only
Sale
Luli Fama: Open Side One Piece Bodysuit
Open Side One Piece Bodysuit
Luli Fama
SKU: 135-2531
$162.00 $97.20 -40%
Top Only Bottom Only
Sale
Maaji: Shamrock One-Piece
Low Stock
Shamrock One-Piece
Maaji
SKU: 190-3511
$171.00 $119.70 -30%
Top Only Bottom Only
Sale
PQ Swim: Eliza One-Piece
Eliza One-Piece
PQ Swim
SKU: 550-2620
$154.00 $92.40 -40%
Top Only Bottom Only
Sale
Seashell: Katerin Balconette One-Piece Swimsuit
Katerin Balconette One-Piece Swimsuit
Seashell
SKU: 146-247
$275.00 $165.00 -40%
Top Only Bottom Only
Sale
Armantia: Luisa One Piece
Luisa One Piece
Armantia
SKU: 144-036
$295.00 $147.50 -50%
Top Only Bottom Only
Sale
::SALE
BF
Baobab: Lulu One Piece
Lulu One Piece
Baobab
SKU: 120-778
$210.00 $105.00 -50%
Top Only Bottom Only
Sale
Change of Scenery: Lisa One-Piece
Lisa One-Piece
Change of Scenery
SKU: 168-069
$188.00 $75.20 -60%
Top Only Bottom Only
Sale
Change of Scenery: Lisa One-Piece
Lisa One-Piece
Change of Scenery
SKU: 168-068
$198.00 $79.20 -60%
Top Only Bottom Only
Sale
Change of Scenery: Kara One-Piece
Kara One-Piece
Change of Scenery
SKU: 168-038
$168.00 $100.80 -40%
Top Only Bottom Only
Beach Riot: Lindy One-Piece
Lindy One-Piece
Beach Riot
SKU: 275-1349
$158.00
Top Only Bottom Only
Sale
Beach Riot: Akira One-Piece
Akira One-Piece
Beach Riot
SKU: 275-1303
$178.00 $71.20 -60%
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.