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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L Space: Nadia One-Piece
Nadia One-Piece
L Space
Scoop front design one-piece
SKU: 130-4454
$176.00
Top Only Bottom Only
Beach Riot: Akira One-Piece
Akira One-Piece
Beach Riot
Scoop neckline one-piece
SKU: 275-1146
$168.00
Top Only Bottom Only
Luli Fama: Underwire Plunge One-Piece
Underwire Plunge One-Piece
Luli Fama
Plunging neckline one-piece
SKU: 135-3077
$214.00
Top Only Bottom Only
Maaji: Seafoam One-Piece
Seafoam One-Piece
Maaji
Color block design one-piece
SKU: 190-3607
$171.00
Top Only Bottom Only
Armantia: Yanet One-Piece
Yanet One-Piece
Armantia
Cut-out one-piece
SKU: 144-073
$295.00
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Square neckline one-piece
SKU: 135-3028
$222.00
Top Only Bottom Only
Paramidonna: Sophia One-Piece
Sophia One-Piece
Paramidonna
Hardware design one-piece
SKU: 148-341
$251.00
Top Only Bottom Only
Paramidonna: Marisia One-Piece
Marisia One-Piece
Paramidonna
Thin straps one-piece
SKU: 148-348
$251.00
Top Only Bottom Only
Robin Piccone: Hailey Halter One-Piece
Hailey Halter One-Piece
Robin Piccone
Halter neckline one-piece
SKU: 720-1035
$182.00
Top Only Bottom Only
Robin Piccone: Hailey Bandeau One-Piece
Hailey Bandeau One-Piece
Robin Piccone
Bandeau-style one-piece
SKU: 720-1034
$182.00
Top Only Bottom Only
Luli Fama: Luxe Stitch V-Neck One-Piece
Luxe Stitch V-Neck One-Piece
Luli Fama
Refined one-piece
SKU: 135-3335
$190.00
Top Only Bottom Only
Vix: Gal Isa One-Piece
Gal Isa One-Piece
Vix
Halter ties one-piece
SKU: 305-3605
$278.00
Top Only Bottom Only
Malai: Tag One-Piece
Tag One-Piece
Malai
Scoop neckline one-piece
SKU: 600-2886
$171.00
Top Only Bottom Only
Maliluha: La Mer One-Piece
La Mer One-Piece
Maliluha
U-neckline one-piece
SKU: 140-167
$295.00
Top Only Bottom Only
Luli Fama: Deep V One-Piece
Deep V One-Piece
Luli Fama
Halter one-piece
SKU: 135-3378
$184.00
Top Only Bottom Only
Oye Swimwear: Aria With Tulle One-Piece
Aria With Tulle One-Piece
Oye Swimwear
Off-shoulder one-piece
SKU: 330-629
$375.00
Top Only Bottom Only
Seashell: Katerin Balconette One-Piece Swimsuit
Katerin Balconette One-Piece Swimsuit
Seashell
Balconette one-piece
SKU: 146-245
$275.00
Top Only Bottom Only
Armantia: Yasmin One-Piece
Yasmin One-Piece
Armantia
Elegant strappy one-piece
SKU: 144-060
$306.00
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Square neckline one-piece
SKU: 135-3062
$188.00
Top Only Bottom Only
La Sirene: Milan One-Piece
Milan One-Piece
La Sirene
Straight neckline one-piece
SKU: 156-116
$175.20
Top Only Bottom Only
Sale
Oye Swimwear: Doris
Doris
Oye Swimwear
Plunge-V neckline side cut out one-piece
SKU: 330-254
$350.00 $210.00 -40%
Top Only Bottom Only
Oye Swimwear: Lea One Piece
Lea One Piece
Oye Swimwear
Red zippered one piece
SKU: 330-510
$350.00
Top Only Bottom Only
Sale
Oye Swimwear: Roman One Piece
Roman One Piece
Oye Swimwear
Plunging halter neck one piece
SKU: 330-447
$350.00 $210.00 -40%
Top Only Bottom Only
Oye Swimwear: Rita One Piece
Rita One Piece
Oye Swimwear
Thick straps one piece
SKU: 330-459
$350.00
Top Only Bottom Only
Oye Swimwear: Silvana One Piece
Silvana One Piece
Oye Swimwear
Red plunging neckline one piece
SKU: 330-532
$350.00
Top Only Bottom Only
Oye Swimwear: Valentina One Piece
Valentina One Piece
Oye Swimwear
Deep V-neckline one piece
SKU: 330-419
$350.00
Top Only Bottom Only
Empress Brasil: Donna Body One-Piece
Donna Body One-Piece
Empress Brasil
Halter neckline one-piece
SKU: 142-377
$190.00
Top Only Bottom Only
Aguaclara: Rouge-196 One-Piece
Rouge-196 One-Piece
Aguaclara
Deep neckline one-piece
SKU: 115-599
$256.00
Top Only Bottom Only
Aguaclara: Rouge-197 One-Piece
Rouge-197 One-Piece
Aguaclara
U-neckline one-piece
SKU: 115-598
$256.00
Top Only Bottom Only
Marie Oliver: Attina One-Piece
Attina One-Piece
Marie Oliver
Placement print one-piece
SKU: 181-055
$295.00
Top Only Bottom Only
Aguaclara: Dynastie-196 One-Piece
Dynastie-196 One-Piece
Aguaclara
Plunging neckline one-piece
SKU: 115-638
$256.00
Top Only Bottom Only
Aguaclara: Dynastie-161 One-Piece
Dynastie-161 One-Piece
Aguaclara
Removable straps one-piece
SKU: 115-637
$239.00
Top Only Bottom Only
Sale
Anais Margaux: Noelle Rib Glitter One-Piece
Noelle Rib Glitter One-Piece
Anais Margaux
Zippered design one-piece
SKU: 870-101
$199.00 $119.40 -40%
Top Only Bottom Only
Vitamin A: Mika One-Piece
Mika One-Piece
Vitamin A
Open scoop back one-piece
SKU: 295-1908
$165.00
Top Only Bottom Only
Maliluha: Voyage One-Piece
Voyage One-Piece
Maliluha
Halter neck one-piece
SKU: 140-157
$305.00
Top Only Bottom Only
Seashell: Nancy One Piece
Nancy One Piece
Seashell
Strapless one piece swimsuit
SKU: 146-202
$285.00
Top Only Bottom Only
Seashell: Nancy One Piece
Nancy One Piece
Seashell
Strapless one piece swimsuit
SKU: 146-195
$285.00
Top Only Bottom Only
Seashell: Scarlett One Piece
Low Stock
Scarlett One Piece
Seashell
High cut one-piece
SKU: 146-031
$290.00
Top Only Bottom Only
Seashell: Natalie One Piece
Natalie One Piece
Seashell
Stunning one piece
SKU: 146-041
$290.00
Top Only Bottom Only
Sale
Oye Swimwear: Vera
Low Stock
Vera
Oye Swimwear
Push up scoop neck one-piece
SKU: 330-179
$350.00 $210.00 -40%
Top Only Bottom Only
Robin Piccone: Margot One Piece Lace Up Back
Margot One Piece Lace Up Back
Robin Piccone
Plunge neckline one piece
SKU: 720-663
$168.00
Top Only Bottom Only
Robin Piccone: Ava Bandeau One-Piece
Ava Bandeau One-Piece
Robin Piccone
Bandeau-style one-piece
SKU: 720-896
$182.00
Top Only Bottom Only
Oye Swimwear: Silvana One Piece
Silvana One Piece
Oye Swimwear
White plunging neckline one piece
SKU: 330-531
$350.00
Top Only Bottom Only
Oye Swimwear: Elvira Daring One Piece
Low Stock
Elvira Daring One Piece
Oye Swimwear
Plunging neckline one piece
SKU: 330-409
$350.00
Top Only Bottom Only
Maaji: Typical One-Piece
Typical One-Piece
Maaji
Placement print one-piece
SKU: 190-3618
$211.00
Top Only Bottom Only
Luli Fama: Strappy Cut Out One-Piece
Strappy Cut Out One-Piece
Luli Fama
Intricate one-piece
SKU: 135-3425
$244.00
Top Only Bottom Only
Luli Fama: Cut Out One-Piece
Cut Out One-Piece
Luli Fama
Flattering one-piece
SKU: 135-3414
$234.00
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Flirty One Piece
SKU: 135-3415
$222.00
Top Only Bottom Only
PQ Swim: Faye One-Piece
Faye One-Piece
PQ Swim
Front cut-outs one-piece
SKU: 550-2891
$174.00
Top Only Bottom Only
Luli Fama: Front Twist Halter One-Piece
Front Twist Halter One-Piece
Luli Fama
Plunging neckline one-piece
SKU: 135-3123
$190.00
Top Only Bottom Only
Andrea Iyamah: Kuji One-Piece
Kuji One-Piece
Andrea Iyamah
Front cut-outs design one-piece
SKU: 880-540
$290.00
Top Only Bottom Only
Maaji: Cardi One-Piece
Cardi One-Piece
Maaji
Surf-style one-piece
SKU: 190-3682
$187.00
Top Only Bottom Only
PQ Swim: Isabel One-Piece
Isabel One-Piece
PQ Swim
Halter one-piece
SKU: 550-2783
$172.00
Top Only Bottom Only
Robin Piccone: Amy High Neck One Piece
Amy High Neck One Piece
Robin Piccone
High neck one-piece
SKU: 720-1011
$182.00
Top Only Bottom Only
Baobab: Tika One-Piece
Tika One-Piece
Baobab
Strapless one-piece
SKU: 120-1178
$210.00
Top Only Bottom Only
LilyRose: Stella One-Piece
Stella One-Piece
LilyRose
Front ruched design one-piece
SKU: 695-384
$300.00
Top Only Bottom Only
PQ Swim: Lettuce Edge Strapless Ring One-Piece
Lettuce Edge Strapless Ring One-Piece
PQ Swim
Lettuce edge one-piece
SKU: 550-2848
$172.00
Top Only Bottom Only
Maaji: Merida One-Piece
Merida One-Piece
Maaji
Lace fabric one-piece
SKU: 190-3727
$211.00
Top Only Bottom Only
Marie Oliver: Marissa One-Piece
Marissa One-Piece
Marie Oliver
Ruffle design one-piece
SKU: 181-039
$265.00
Top Only Bottom Only
Change of Scenery: Chloe One-Piece
Chloe One-Piece
Change of Scenery
Pull on closure one-piece
SKU: 168-129
$198.00
Top Only Bottom Only
Sale
Oye Swimwear: Aria One-Piece
Aria One-Piece
Oye Swimwear
Cut out detailed bikini
SKU: 330-610
$350.00 $210.00 -40%
Top Only Bottom Only
Sale
PQ Swim: Penelope One-Piece
Penelope One-Piece
PQ Swim
Classic one-piece
SKU: 550-2819
$164.00 $114.80 -30%
Top Only Bottom Only
Luli Fama: Chain Square Neck Laced Up One-Piece
Chain Square Neck Laced Up One-Piece
Luli Fama
Square neckline one-piece
SKU: 135-3090
$244.00
Top Only Bottom Only
Aguaclara: Rose-172 One-Piece
Rose-172 One-Piece
Aguaclara
Fixed straps design one-piece
SKU: 115-605
$229.00
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.