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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Luli Fama: Strappy Sides Bodysuit
Strappy Sides Bodysuit
Luli Fama
Plunging neckline one-piece
SKU: 135-3397
$234.00
Top Only Bottom Only
LilyRose: Nicole One-Piece
Nicole One-Piece
LilyRose
Halter style one-piece
SKU: 695-395
$275.00
Top Only Bottom Only
Paramidonna: Rene One-Piece
Rene One-Piece
Paramidonna
Front cut-out one-piece
SKU: 148-342
$251.00
Top Only Bottom Only
Paramidonna: Marisia One-Piece
Marisia One-Piece
Paramidonna
Thin straps one-piece
SKU: 148-351
$251.00
Top Only Bottom Only
Aguaclara: Doree-198 One-Piece
Doree-198 One-Piece
Aguaclara
Asymmetrical design one-piece
SKU: 115-684
$254.00
Top Only Bottom Only
Anais Margaux: Lea Rib Glitter One-Piece
Lea Rib Glitter One-Piece
Anais Margaux
Ribbed fabric one-piece
SKU: 870-127
$199.00
Top Only Bottom Only
Armantia: Alexandra One Piece
Alexandra One Piece
Armantia
One shoulder design one piece
SKU: 144-034
$295.00
Top Only Bottom Only
Luli Fama: Cut-Out One-Piece
Cut-Out One-Piece
Luli Fama
Ring hardware detailed one-piece
SKU: 135-3195
$194.00
Top Only Bottom Only
Beach Riot: Reese One-Piece
Reese One-Piece
Beach Riot
Textured fabric one-piece
SKU: 275-942
$168.00
Top Only Bottom Only
Vix: Sade Bandeau One-Piece
Sade Bandeau One-Piece
Vix
Front cut-outs one-piece
SKU: 305-3408
$248.00
Top Only Bottom Only
Change of Scenery: Ella One-Piece
Ella One-Piece
Change of Scenery
Front keyhole one-piece
SKU: 168-125
$178.00
Top Only Bottom Only
Maliluha: Voyage One-Piece
Voyage One-Piece
Maliluha
Halter neck one-piece
SKU: 140-156
$305.00
Top Only Bottom Only
Robin Piccone: Charlotte Bandeau One-Piece
Charlotte Bandeau One-Piece
Robin Piccone
Bandeau-style one-piece
SKU: 720-970
$186.00
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Square neck one-piece
SKU: 135-2896
$188.00
Top Only Bottom Only
Anais Margaux: Lea Rib Glitter One-Piece
Lea Rib Glitter One-Piece
Anais Margaux
Ribbed fabric one-piece
SKU: 870-126
$199.00
Top Only Bottom Only
Empress Brasil: Tulle Body One-Piece
Tulle Body One-Piece
Empress Brasil
Plunging neckline one-piece
SKU: 142-354
$190.00
Top Only Bottom Only
Beach Riot: Tropez One-Piece
Tropez One-Piece
Beach Riot
Front v-wire one-piece
SKU: 275-906
$178.00
Top Only Bottom Only
Luli Fama: Asymmetrical Cut Out One-Piece
Asymmetrical Cut Out One-Piece
Luli Fama
Asymmetrical one-piece
SKU: 135-2895
$190.00
Top Only Bottom Only
Robin Piccone: Isabelle Keyhole One-Piece
Isabelle Keyhole One-Piece
Robin Piccone
V-neckline one-piece
SKU: 720-1030
$186.00
Top Only Bottom Only
Luli Fama: Asymmetrical Cut-Out Ring Bodysuit
Asymmetrical Cut-Out Ring Bodysuit
Luli Fama
Elegant cut-out bodysuit
SKU: 135-2917
$190.00
Top Only Bottom Only
Luli Fama: Braided One-Piece
Braided One-Piece
Luli Fama
Intricate bikini
SKU: 135-3444
$222.00
Top Only Bottom Only
Change of Scenery: Ella One-Piece
Ella One-Piece
Change of Scenery
Front keyhole one-piece
SKU: 168-137
$178.00
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Crisscross back one-piece
SKU: 135-3136
$198.00
Top Only Bottom Only
PQ Swim: Lettuce Edge Strapless Ring One-Piece
Lettuce Edge Strapless Ring One-Piece
PQ Swim
Strapless one-piece
SKU: 550-2759
$172.00
Top Only Bottom Only
Paramidonna: Tanya One-Piece
Tanya One-Piece
Paramidonna
Front hardware design one-piece
SKU: 148-345
$251.00
Top Only Bottom Only
Paramidonna: Hailey One-Piece
Hailey One-Piece
Paramidonna
Backless design one-piece
SKU: 148-353
$241.00
Top Only Bottom Only
Sale
Oye Swimwear: Valeria One-Piece
Valeria One-Piece
Oye Swimwear
Plunging neckline one-piece
SKU: 330-644
$395.00 $237.00 -40%
Top Only Bottom Only
PQ Swim: Alice One-Piece
Alice One-Piece
PQ Swim
Chevron pattern one-piece
SKU: 550-2824
$174.00
Top Only Bottom Only
Anais Margaux: Lea Textured One-Piece
Lea Textured One-Piece
Anais Margaux
Textured fabric one-piece
SKU: 870-123
$199.00
Top Only Bottom Only
Anais Margaux: Noelle Textured One-Piece
Noelle Textured One-Piece
Anais Margaux
Subtle zip front one-piece
SKU: 870-102
$199.00
Top Only Bottom Only
Anais Margaux: Valerie One-Piece
Valerie One-Piece
Anais Margaux
Thick straps one-piece
SKU: 870-091
$199.00
Top Only Bottom Only
Vix: Stacy One-Piece
Stacy One-Piece
Vix
Plunging neckline one-piece
SKU: 305-3202
$248.00
Top Only Bottom Only
Vix: Corsage One-Piece
Corsage One-Piece
Vix
Structured cups one-piece
SKU: 305-3082
$228.00
Top Only Bottom Only
Oye Swimwear: Bix One-Piece
Best Seller
Bix One-Piece
Oye Swimwear
Sheer mesh one-piece
SKU: 330-637
$375.00
Top Only Bottom Only
Vix: Josi Bianca One-Piece
Josi Bianca One-Piece
Vix
Sophisticated swimsuit
SKU: 305-3497
$298.00
Top Only Bottom Only
Vix: Ney T-Back One-Piece
Ney T-Back One-Piece
Vix
T-back design one-piece
SKU: 305-3079
$268.00
Top Only Bottom Only
Seashell: Sidney Balconette One-Piece
Sidney Balconette One-Piece
Seashell
Underwire cups one-piece
SKU: 146-240
$275.00
Top Only Bottom Only
BF
Beach Riot: Dede One Piece
Low Stock
Dede One Piece
Beach Riot
Underwired one piece
SKU: 275-547
$168.00
Top Only Bottom Only
Armantia: Catalina One Piece
Catalina One Piece
Armantia
One-shoulder one piece
SKU: 144-017
$295.00
Top Only Bottom Only
Oye Swimwear: Chiara One Piece
Chiara One Piece
Oye Swimwear
Red criss-cross one piece
SKU: 330-293
$350.00
Top Only Bottom Only
Sale
Oye Swimwear: Roman
Low Stock
Roman
Oye Swimwear
Halter deep V-neckline one-piece
SKU: 330-242
$350.00 $210.00 -40%
Top Only Bottom Only
Oye Swimwear: Roman One Piece
Roman One Piece
Oye Swimwear
Plunging halter neck one piece
SKU: 330-449
$350.00
Top Only Bottom Only
Sale
Oye Swimwear: Doris One Piece
Doris One Piece
Oye Swimwear
Twist detailed one piece
SKU: 330-425
$350.00 $210.00 -40%
Top Only Bottom Only
Change of Scenery: Kara One-Piece
Kara One-Piece
Change of Scenery
Sleek design one-piece
SKU: 168-150
$168.00
Top Only Bottom Only
Luli Fama: Triple Loop Bandeau One-Piece
Triple Loop Bandeau One-Piece
Luli Fama
Halter style one-piece
SKU: 135-2984
$214.00
Top Only Bottom Only
Luli Fama: Front Twist Halter One-Piece
Front Twist Halter One-Piece
Luli Fama
Cinched neckline detailed one-piece
SKU: 135-2906
$202.00
Top Only Bottom Only
Malai: Lunaria One-Piece
Lunaria One-Piece
Malai
Chic design one-piece
SKU: 600-2954
$180.00
Top Only Bottom Only
Marie Oliver: Martika One-Piece
Martika One-Piece
Marie Oliver
Ruffle one-piece
SKU: 181-066
$295.00
Top Only Bottom Only
Marie Oliver: Attina One-Piece
Attina One-Piece
Marie Oliver
Belted detail one-piece
SKU: 181-064
$295.00
Top Only Bottom Only
Empress Brasil: Elle Body One-Piece
Elle Body One-Piece
Empress Brasil
Off-the-shoulder one-piece
SKU: 142-364
$260.00
Top Only Bottom Only
Marie Oliver: Attina One-Piece
Attina One-Piece
Marie Oliver
Animal print one-piece
SKU: 181-036
$265.00
Top Only Bottom Only
Marie Oliver: Cora One-Piece
Cora One-Piece
Marie Oliver
Wide straps one-piece
SKU: 181-061
$275.00
Top Only Bottom Only
Empress Brasil: Donna Body One-Piece
Donna Body One-Piece
Empress Brasil
Halter-style one-piece
SKU: 142-359
$190.00
Top Only Bottom Only
Marie Oliver: Alana One-Piece
Alana One-Piece
Marie Oliver
One shoulder design one-piece
SKU: 181-037
$225.00
Top Only Bottom Only
Change of Scenery: Gabrielle One-Piece
Gabrielle One-Piece
Change of Scenery
Plunging neckline one-piece
SKU: 168-135
$198.00
Top Only Bottom Only
Devon Windsor: Amii Full-Piece
Amii Full-Piece
Devon Windsor
Beaded one-piece
SKU: 515-210
$185.00
Top Only Bottom Only
LilyRose: Rosie One-Piece
Rosie One-Piece
LilyRose
Front cut-out one-piece
SKU: 695-371
$310.00
Top Only Bottom Only
Luli Fama: Luxe Stitch V-Neck One-Piece
Luxe Stitch V-Neck One-Piece
Luli Fama
Refined design one-piece
SKU: 135-3155
$190.00
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Square neck one-piece
SKU: 135-3194
$198.00
Top Only Bottom Only
Andrea Iyamah: Andes One-Piece
Andes One-Piece
Andrea Iyamah
Mesh fabric one-piece
SKU: 880-541
$255.00
Top Only Bottom Only
Seashell: Calypso One Piece
Calypso One Piece
Seashell
Plunging neckline one piece
SKU: 146-115
$255.00
Top Only Bottom Only
Beach Riot: Priscilla One-Piece
Priscilla One-Piece
Beach Riot
Refined one-piece
SKU: 275-1414
$168.00
Top Only Bottom Only
Beach Riot: Caia One-Piece
Caia One-Piece
Beach Riot
Striking hot pink print one-piece
SKU: 275-1240
$178.00
Top Only Bottom Only
Change of Scenery: Anabel One-Piece
Anabel One-Piece
Change of Scenery
Underwire design one-piece
SKU: 168-147
$198.00
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.