Plunge One-Pieces

All Bikinis Triangle Bandeau Balconette Bralette Underwire High-Waisted Cheeky Plunge One-Pieces One-Shoulder

A plunging neckline turns a one-piece into a statement — deep V fronts that elongate the torso and double as a bodysuit with shorts or a skirt.

Look for hidden underwire or mesh panels for support in deeper cuts. Browse more one-shoulder swimsuits, all designer one-pieces, or finish the look with a cover-up.

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131 products

Oye Swimwear: Elvira Daring One Piece
Low Stock
Elvira Daring One Piece
Oye Swimwear
Black one-piece swimsuit, side cutouts, hook-back closure
SKU: 330-409
$350.00
Top Only Bottom Only
BF
Empress Brasil: Chris Body One-Piece
Chris Body One-Piece
Empress Brasil
White one-piece swimsuit, gold-bar V-neck cutout
SKU: 142-255
$205.00
Top Only Bottom Only
Sale
::SALE
BF
Baobab: Lulu One Piece
Lulu One Piece
Baobab
Deep-V color-block swimsuit, front knot detail
SKU: 120-778
$210.00 $105.00 -50%
Top Only Bottom Only
Change of Scenery: Gabrielle One-Piece
Gabrielle One-Piece
Change of Scenery
Halter one-piece swimsuit, tortoise-ring front, scoop back
SKU: 168-130
$178.00
Top Only Bottom Only
PatBO: Plunge Long Sleeve Swimsuit
Plunge Long Sleeve Swimsuit
PatBO
Netted-sleeve one-piece, plunge neckline, seashell hardware
SKU: 960-066
$475.00
Top Only Bottom Only
Luli Fama: Moderate One-Piece
Moderate One-Piece
Luli Fama
Black textured one-piece swimsuit, metallic cutout front
SKU: 135-3577
$202.00
Top Only Bottom Only
L Space: Piper One-Piece
Piper One-Piece
L Space
Floral-print one-piece, geometric trim accents
SKU: 130-4644
$189.00
Top Only Bottom Only
Oye Swimwear: Nina One-Piece
Nina One-Piece
Oye Swimwear
One-piece swimsuit, circular bust cups, oval back cutout
SKU: 330-582
$350.00
Top Only Bottom Only
L'Agence: Lisa One-Piece
Lisa One-Piece
L'Agence
Plunge one-piece swimsuit, crisscross back straps
SKU: 241-066
$275.00
Top Only Bottom Only
Seashell: Calypso One Piece
Calypso One Piece
Seashell
High-cut one-piece swimsuit, plunging neckline, gold embellishments
SKU: 146-114
$255.00
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
Peixoto: Isla One Piece
Isla One Piece
Peixoto
One-piece swimsuit, keyhole V-neck and crisscross back
SKU: 605-887
$158.00
Top Only Bottom Only
Sale
::SALE
BF
Oye Swimwear: Athena One-Piece
Athena One-Piece
Oye Swimwear
Deep-V one-piece swimsuit, underbust strap, high-leg cut
SKU: 330-137
$350.00 $210.00 -40%
Top Only Bottom Only
L'Agence: Sidney Plunge One-Piece
Sidney Plunge One-Piece
L'Agence
Black plunge one-piece swimsuit, halter neckline, belted waist
SKU: 241-162
$285.00
Top Only Bottom Only
Oye Swimwear: Valentina One Piece
Valentina One Piece
Oye Swimwear
Plunging one-piece swimsuit, wide-V back, V-detailing
SKU: 330-513
$350.00
Top Only Bottom Only
Empress Brasil: Sloane Body One-Piece
Sloane Body One-Piece
Empress Brasil
Faux-suede one-piece swimsuit, acrylic hoop straps
SKU: 142-365
$197.50
Top Only Bottom Only
Oye Swimwear: Athena One Piece
Athena One Piece
Oye Swimwear
Greek-inspired one-piece swimsuit, plunging neckline, open sides
SKU: 330-479
$350.00
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
Robin Piccone: Amy High Neck One-Piece
Amy High Neck One-Piece
Robin Piccone
Pink ribbed one-piece, gold-snap plunge, open back
SKU: 720-1069
$182.00
Top Only Bottom Only
Empress Brasil: Tulle Body One-Piece
Tulle Body One-Piece
Empress Brasil
Draped-tulle bodysuit, open sides, high-rise ivory bottom
SKU: 142-381
$190.00
Top Only Bottom Only
Empress Brasil: Lily Body One-Piece
Lily Body One-Piece
Empress Brasil
Ivory crochet-style one-piece swimsuit, bead-detail straps
SKU: 142-385
$250.00
Top Only Bottom Only
Oye Swimwear: Athena One Piece
Athena One Piece
Oye Swimwear
Silver one-piece swimsuit, plunging neckline, open sides
SKU: 330-294
$350.00
Top Only Bottom Only
Sale
Vix: Stacy One-Piece
Stacy One-Piece
Vix
Black one-piece, plunge neckline, cross-back straps
SKU: 305-3202
$248.00 $148.80 -40%
Top Only Bottom Only
Malai: Deep Misha One-Piece
Deep Misha One-Piece
Malai
One-piece swimsuit, hardware-detail plunge neckline
SKU: 600-3154
$176.00
Top Only Bottom Only
PQ Swim: Embroidered Lettuce Edge Penelope One-Piece
Embroidered Lettuce Edge Penelope One-Piece
PQ Swim
Aqua floral one-piece, plunging lettuce-edge neckline
SKU: 550-2887
$176.00
Top Only Bottom Only
Robin Piccone: Emilia High Neck One-Piece
Emilia High Neck One-Piece
Robin Piccone
Blue striped one-piece, gold trim, racerback high neck
SKU: 720-987
$182.00
Top Only Bottom Only
Oye Swimwear: Chiara One Piece
Chiara One Piece
Oye Swimwear
White geometric-cutout one-piece swimsuit, plunge V-back
SKU: 330-472
$350.00
Top Only Bottom Only
PQ Swim: Plunge Detail One Piece
Plunge Detail One Piece
PQ Swim
Turquoise plunge halter one-piece, gold accessory detail
SKU: 550-2132
$164.00
Top Only Bottom Only
Agua Bendita: Sory One-Piece
Sory One-Piece
Agua Bendita
Ruched keyhole one-piece, navy, open back
SKU: 450-3170
$180.00
Top Only Bottom Only
Luli Fama: Deep V One-Piece
Deep V One-Piece
Luli Fama
High-leg one-piece swimsuit, black and gold textured front
SKU: 135-3378
$184.00
Top Only Bottom Only
Sale
Armantia: Veronica One-Piece
Best Seller
Veronica One-Piece
Armantia
Cut-out one-piece swimsuit, cascading tagua-fiber rings
SKU: 144-067
$295.00 $177.00 -40%
Top Only Bottom Only
PQ Swim: Ila Plunge Neck Lace One-Piece
Ila Plunge Neck Lace One-Piece
PQ Swim
Black plunge-neck lace one-piece swimsuit
SKU: 550-2994
$176.00
Top Only Bottom Only
Oye Swimwear: Silvana One Piece
Silvana One Piece
Oye Swimwear
Deep-V one-piece swimsuit, crisscross straps, high-cut legs
SKU: 330-530
$350.00
Top Only Bottom Only
Sale
Malai: Danza One-Piece
Danza One-Piece
Malai
Green one-piece, double-ring front cutouts
SKU: 600-3008
$171.00 $102.60 -40%
Top Only Bottom Only
Oye Swimwear: Esther One Piece
Esther One Piece
Oye Swimwear
High-neck one-piece swimsuit, strategic mesh cutouts
SKU: 330-478
$350.00
Top Only Bottom Only
Robin Piccone: Brigitte Underwire One-Piece
Brigitte Underwire One-Piece
Robin Piccone
Gingham one-piece, mixed-scale check paneling, front knot
SKU: 720-1072
$188.00
Top Only Bottom Only
Luli Fama: Halter Ring One-Piece
Halter Ring One-Piece
Luli Fama
Floral-print halter swimsuit, cascading gold ring front
SKU: 135-3326
$234.00
Top Only Bottom Only
Luli Fama: Ruched Front One-Piece
Ruched Front One-Piece
Luli Fama
Tropical-print one-piece swimsuit, ruched front, crisscross back
SKU: 135-3455
$200.00
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
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
Robin Piccone: Ava Halter Plunge One-Piece
Ava Halter Plunge One-Piece
Robin Piccone
Blue halter one-piece, knotted plunge front, open back
SKU: 720-999
$198.00
Top Only Bottom Only
Oye Swimwear: Lea One Piece
Lea One Piece
Oye Swimwear
Zip-front one-piece swimsuit, adjustable V-neck, deep V-back
SKU: 330-510
$350.00
Top Only Bottom Only
Sale
Vix: Candice Elisa One-Piece
Candice Elisa One-Piece
Vix
Black plunge one-piece, gold hardware accent
SKU: 305-3254
$278.00 $222.40 -20%
Top Only Bottom Only
Robin Piccone: Amy V-Neck One-Piece
Amy V-Neck One-Piece
Robin Piccone
Blue one-piece, deep plunge, gold-tone hardware
SKU: 720-830
$172.00
Top Only Bottom Only
Oye Swimwear: Roman One Piece
Roman One Piece
Oye Swimwear
Plunge-V one-piece, crisscross waist, open back
SKU: 330-449
$350.00
Top Only Bottom Only
Robin Piccone: Jacqui One-Piece
Jacqui One-Piece
Robin Piccone
Colorblock one-piece, rope-ring hardware, plunging cutout neckline
SKU: 720-1050
$182.00
Top Only Bottom Only
L'Agence: Lisa Plunge One-Piece
Lisa Plunge One-Piece
L'Agence
Black plunge one-piece, white contrast trim, gold buttons
SKU: 241-159
$275.00
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
Sale
Oye Swimwear: Venus
Low Stock
Venus
Oye Swimwear
Black deep-V one-piece swimsuit
SKU: 330-170
$350.00 $140.00 -60%
Top Only Bottom Only
Oye Swimwear: Roman Plunge One-Piece
Roman Plunge One-Piece
Oye Swimwear
Beige halter one-piece swimsuit, crisscross waist, open back
SKU: 330-622
$375.00
Top Only Bottom Only
Oye Swimwear: Bond One-Piece
Bond One-Piece
Oye Swimwear
Black deep-V one-piece swimsuit, gold buttons, open back
SKU: 330-581
$350.00
Top Only Bottom Only
Sale
Yanet One Piece
Yanet One Piece
Armantia
Deep-plunge one-piece swimsuit, tulle bust, backless
SKU: 144-030
$295.00 $177.00 -40%
Top Only Bottom Only
Empress Brasil: Sahara Body One-Piece
Sahara Body One-Piece
Empress Brasil
Black strapless one-piece, ruched bust, ring cutout
SKU: 142-331
$210.00
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
Robin Piccone: Amy High Neck One Piece
Amy High Neck One Piece
Robin Piccone
Green ribbed one-piece, gold-trim V-front
SKU: 720-1011
$182.00
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
Sale
Luli Fama: V-Neck One-Piece Bodysuit
V-Neck One-Piece Bodysuit
Luli Fama
Deep V-neck high-cut swimsuit, strappy back
SKU: 135-3282
$190.00 $114.00 -40%
Top Only Bottom Only
Oye Swimwear: Valeria One-Piece
Valeria One-Piece
Oye Swimwear
One-piece swimsuit, V-metal accent, high-leg cut
SKU: 330-646
$395.00
Top Only Bottom Only
Sale
Oye Swimwear: Doris One Piece
Doris One Piece
Oye Swimwear
Plunge-V one-piece swimsuit, ruched crisscross peplum waist
SKU: 330-425
$350.00 $140.00 -60%
Top Only Bottom Only
Malai: Goldstitch Deep Misha One-Piece
Goldstitch Deep Misha One-Piece
Malai
Plunging neckline one-piece
SKU: 600-3208
$180.00
Top Only Bottom Only
Oye Swimwear: Elvira Daring One-Piece
Elvira Daring One-Piece
Oye Swimwear
Olive-green one-piece swimsuit, side cutouts, hook-back closure
SKU: 330-619
$395.00
Top Only Bottom Only
Moderate One-Piece
Moderate One-Piece
Luli Fama
Tropical-print one-piece swimsuit, keyhole ring hardware
SKU: 135-3629
$224.00
Top Only Bottom Only
Sale
Oye Swimwear: Roman
Low Stock
Roman
Oye Swimwear
Halter deep-V one-piece swimsuit, crisscross front accent
SKU: 330-242
$350.00 $210.00 -40%
Top Only Bottom Only
Robin Piccone: Olivia V Plunge One-Piece
Olivia V Plunge One-Piece
Robin Piccone
Animal-print one-piece, deep V-plunge, shoulder knot ties
SKU: 720-976
$186.00
Top Only Bottom Only