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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PQ Swim: Eloise One-Piece
Eloise One-Piece
PQ Swim
Chevron print one-piece
SKU: 550-2861
$174.00
Top Only Bottom Only
Vix: Bianca One-Piece
Bianca One-Piece
Vix
Minimalist and elegant
SKU: 305-3503
$278.00
Top Only Bottom Only
Sale
Armantia: Luisa One Piece
Luisa One Piece
Armantia
Artisanal design one piece
SKU: 144-036
$295.00 $147.50 -50%
Top Only Bottom Only
L'Agence: Remi One-Piece
Remi One-Piece
L'Agence
Refined fit one-piece
SKU: 241-083
$265.00
Top Only Bottom Only
Seashell: Nancy One Piece
Nancy One Piece
Seashell
Strapless one piece swimsuit
SKU: 146-198
$285.00
Top Only Bottom Only
Sale
Seashell: Natalie One Piece
Low Stock
Natalie One Piece
Seashell
Stunning one piece
SKU: 146-040
$290.00 $232.00 -20%
Top Only Bottom Only
Seashell: Nancy One Piece
Nancy One Piece
Seashell
Strapless one piece swimsuit
SKU: 146-203
$285.00
Top Only Bottom Only
Seashell: Nancy One Piece
Nancy One Piece
Seashell
Strapless one piece swimsuit
SKU: 146-201
$285.00
Top Only Bottom Only
Seashell: Jayne One Piece
Jayne One Piece
Seashell
White off shoulder swimsuit
SKU: 146-223
$405.00
Top Only Bottom Only
Sale
::SALE
BF
Shani Shemer: Melissa One Piece
Melissa One Piece
Shani Shemer
Low V neckline one piece
SKU: 980-004
$280.00 $168.00 -40%
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Lace-up one-piece
SKU: 135-3109
$184.00
Top Only Bottom Only
Maliluha: Voyage One-Piece
Voyage One-Piece
Maliluha
Halter neck one-piece
SKU: 140-155
$305.00
Top Only Bottom Only
Anais Margaux: Ophelia Textured Leopard Print One-Piece
Ophelia Textured Leopard Print One-Piece
Anais Margaux
Animal print one-piece
SKU: 870-135
$199.00
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: 135-2936
$188.00
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Striking textured hue one-piece
SKU: 135-2918
$188.00
Top Only Bottom Only
Robin Piccone: Ava Bandeau One-Piece
Ava Bandeau One-Piece
Robin Piccone
Strapless bandeau design one-piece
SKU: 720-716
$182.00
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: 135-3168
$244.00
Top Only Bottom Only
Luli Fama: Square Neck Laced Up One-Piece
Square Neck Laced Up One-Piece
Luli Fama
Lace up design one-piece
SKU: 135-3287
$198.00
Top Only Bottom Only
Oye Swimwear: Valeria One-Piece
Valeria One-Piece
Oye Swimwear
Plunging neckline one-piece
SKU: 330-646
$395.00
Top Only Bottom Only
Robin Piccone: Charlotte Bandeau One-Piece
Charlotte Bandeau One-Piece
Robin Piccone
Bandeau-style one-piece
SKU: 720-969
$186.00
Top Only Bottom Only
Beach Riot: Stassia One-Piece
Stassia One-Piece
Beach Riot
Square neckline one-piece
SKU: 275-905
$168.00
Top Only Bottom Only
Marie Oliver: Finn One-Piece
Finn One-Piece
Marie Oliver
Plunging neckline one-piece
SKU: 181-065
$250.00
Top Only Bottom Only
L'Agence: Lisa One-Piece
Lisa One-Piece
L'Agence
Vibrant one-piece
SKU: 241-057
$265.00
Top Only Bottom Only
Sale
Beach Riot: Akira One-Piece
Akira One-Piece
Beach Riot
Scoop neckline one-piece
SKU: 275-1303
$178.00 $124.60 -30%
Top Only Bottom Only
Sale
Beach Riot: Lindy One-Piece
Lindy One-Piece
Beach Riot
Vibrant one-piece
SKU: 275-1349
$158.00 $94.80 -40%
Top Only Bottom Only
Beach Riot: Naomi One-Piece
Naomi One-Piece
Beach Riot
Spirited one-piece
SKU: 275-1342
$168.00
Top Only Bottom Only
BF
Empress Brasil: Gaia Body One-Piece
Gaia Body One-Piece
Empress Brasil
Plunging neckline one-piece
SKU: 142-282
$212.50
Top Only Bottom Only
Oye Swimwear: Lavinia One-Piece
Lavinia One-Piece
Oye Swimwear
Pocket design one piece
SKU: 330-576
$350.00
Top Only Bottom Only
Armantia: Amelia One Piece
Amelia One Piece
Armantia
V-neckline one piece
SKU: 144-005
$295.00
Top Only Bottom Only
Change of Scenery: Juliette One-Piece
Juliette One-Piece
Change of Scenery
U-ring trim design one-piece
SKU: 168-131
$198.00
Top Only Bottom Only
LilyRose: Stella One-Piece
Stella One-Piece
LilyRose
Front ruched design one-piece
SKU: 695-385
$300.00
Top Only Bottom Only
Robin Piccone: Ava One Knot One-Piece
Ava One Knot One-Piece
Robin Piccone
Sleek blue hue one-piece
SKU: 720-713
$182.00
Top Only Bottom Only
Beach Riot: Phoenix One-Piece
Phoenix One-Piece
Beach Riot
Refined elegance one-piece
SKU: 275-1418
$168.00
Top Only Bottom Only
Beach Riot: Josy One-Piece
Josy One-Piece
Beach Riot
Strapless one-piece
SKU: 275-1375
$178.00
Top Only Bottom Only
Robin Piccone: Aubrey Bandeau One-Piece
Aubrey Bandeau One-Piece
Robin Piccone
Strapless bandeau one-piece
SKU: 720-998
$180.00
Top Only Bottom Only
Robin Piccone: Emilia High Neck One-Piece
Emilia High Neck One-Piece
Robin Piccone
High neck one-piece
SKU: 720-987
$182.00
Top Only Bottom Only
PQ Swim: Embroidered Lettuce Edge Triangle-Embroidered Lettuce Edge Tie Side Bikini
Embroidered Lettuce Edge Triangle-Embroidered Lettuce Edge Tie Side Bikini
PQ Swim
Floral print bikini
SKU: 550-2761
$200.00
Top Only Bottom Only
Maaji: Briella One-Piece
Briella One-Piece
Maaji
Standout one-piece
SKU: 190-3750
$178.00
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: 135-2946
$188.00
Top Only Bottom Only
Paramidonna: Rene One-Piece
Rene One-Piece
Paramidonna
Front cut-out one-piece
SKU: 148-343
$251.00
Top Only Bottom Only
Empress Brasil: Tulle Body One-Piece
Tulle Body One-Piece
Empress Brasil
Plunging neckline one-piece
SKU: 142-330
$190.00
Top Only Bottom Only
Luli Fama: Cut Out One-Piece
Cut Out One-Piece
Luli Fama
Bandeau-style one-piece
SKU: 135-3384
$244.00
Top Only Bottom Only
Robin Piccone: Charlotte Mio One-Piece
Charlotte Mio One-Piece
Robin Piccone
Scoop neckline one-piece
SKU: 720-965
$188.00
Top Only Bottom Only
LilyRose: Camila One-Piece
Camila One-Piece
LilyRose
Removable straps one-piece
SKU: 695-451
$280.00
Top Only Bottom Only
Sale
PQ Swim: Zoe One-Piece
Zoe One-Piece
PQ Swim
Strapless one-piece
SKU: 550-2890
$174.00 $104.40 -40%
Top Only Bottom Only
Sale
::SALE
BF
Maaji: Carnation Sunshy
Carnation Sunshy
Maaji
Classic scoop neckline one piece
SKU: 190-2639
$154.00 $61.60 -60%
Top Only Bottom Only
Sale
Beach Riot: Joyce One Piece
Joyce One Piece
Beach Riot
Ribbed fabric one piece
SKU: 275-716
$168.00 $67.20 -60%
Top Only Bottom Only
Stone Fox Swim: Paola One-Piece
Low Stock
Paola One-Piece
Stone Fox Swim
Classic tube design one-piece
SKU: 702-208
$160.00
Top Only Bottom Only
Sale
Stone Fox Swim: Surya One-Piece
Surya One-Piece
Stone Fox Swim
Front scoop design one-piece
SKU: 702-207
$150.00 $90.00 -40%
Top Only Bottom Only
Robin Piccone: Tierna Keyhole One-Piece
Best Seller
Tierna Keyhole One-Piece
Robin Piccone
Front keyhole one-piece
SKU: 720-953
$182.00
Top Only Bottom Only
Acqua de Luxe: Aphrodite One-Piece
Aphrodite One-Piece
Acqua de Luxe
Fully lined one-piece
SKU: 525-004
$235.00
Top Only Bottom Only
PQ Swim: Mila One-Piece
Mila One-Piece
PQ Swim
V-neckline one-piece
SKU: 550-2934
$184.00
Top Only Bottom Only
Baobab: Zur One-Piece
Zur One-Piece
Baobab
Strapless one-piece
SKU: 120-1317
$210.00
Top Only Bottom Only
Luli Fama: Square Neck Laced-Up One-Piece
Square Neck Laced-Up One-Piece
Luli Fama
Alluring details one-piece
SKU: 135-3363
$222.00
Top Only Bottom Only
Beach Riot: Stassia One-Piece
Stassia One-Piece
Beach Riot
Strapless one-piece
SKU: 275-1043
$168.00
Top Only Bottom Only
Luli Fama: Cut-Out One-Piece
Cut-Out One-Piece
Luli Fama
Cut-out design one-piece
SKU: 135-3288
$194.00
Top Only Bottom Only
Beach Riot: Tropez One-Piece
Tropez One-Piece
Beach Riot
Front v-wire one-piece
SKU: 275-908
$178.00
Top Only Bottom Only
La Sirene: Anna One-Piece
Anna One-Piece
La Sirene
Halter neck one-piece
SKU: 156-105
$216.00
Top Only Bottom Only
Robin Piccone: Ava Bandeau One-Piece
Ava Bandeau One-Piece
Robin Piccone
Strapless bandeau design one-piece
SKU: 720-715
$182.00
Top Only Bottom Only
Robin Piccone: Ava One Knot One-Piece
Ava One Knot One-Piece
Robin Piccone
Sleek black hue one-piece
SKU: 720-712
$182.00
Top Only Bottom Only
Robin Piccone: Ava Scoop Neck Mio One-Piece
Ava Scoop Neck Mio One-Piece
Robin Piccone
Classic scoop neckline one-piece
SKU: 720-711
$178.00
Top Only Bottom Only
Luli Fama: Square Neck One-Piece
Square Neck One-Piece
Luli Fama
Square neckline one-piece
SKU: 135-3327
$244.00
Top Only Bottom Only
Luli Fama: Deep V Ring One-Piece
Deep V Ring One-Piece
Luli Fama
Plunging neckline one piece
SKU: 135-2857
$222.00
Top Only Bottom Only
Maaji: Luster One-Piece
Luster One-Piece
Maaji
Floral print one-piece
SKU: 190-3661
$85.00
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.