Mermaid Dresses

Mermaid Dresses with a Signature Flared Silhouette

Mermaid Dresses are made for entrances, pairing a curve-hugging fit with a dramatic flare at or around the knee. The silhouette brings instant shape to special-occasion dressing, whether your style leans romantic, glamorous, or a little more playful. From fall celebrations to formal holiday events and New Year’s Eve, these dresses put the focus on a defined silhouette with movement at the hem.

Mermaid Gowns with Drama in the Details

The fitted-to-flared shape is only the beginning. Corset bodices can add structure, while draping, ruching, wrap fronts, bows, and high slits give mermaid gowns different personalities. Open backs and hardware accents like pearls or rhinestones can bring even more impact to floor-length styles.

Necklines also change the effect of dresses with mermaid silhouettes. Off-shoulder and sweetheart designs lean romantic, while halter, plunge, cowl-neck, spaghetti-strap, and strapless styles can take the silhouette in a sleeker or more alluring direction. For an even more dramatic formal shape, explore ball gowns.

Mermaid Dresses for Formal Celebrations

Mermaid silhouettes naturally suit occasions where dressing up is part of the experience. For weddings, long bridesmaid dresses with fitted shapes can create an elegant bridal-party look, while floor-length mermaid styles bring drama to formal celebrations, holiday events, and New Year’s Eve.

For an elevated take on statement dressing, explore Windsor's Luxe Dress Collection with elevated details that are a statement. Or discover more women's dresses when you want to compare mermaid silhouettes with other fits.

Mermaid Dresses Made for Photo-Worthy Moments

The signature fitted shape and dramatic flared hem of a mermaid dress can look especially striking in photos, making the silhouette a standout for engagement shoots, wedding portraits, anniversaries, birthdays, and other milestone moments. Draping, bows, open backs, slits, and sparkling details can add even more interest from different angles—so find your light, strike a pose, and make the moment yours.

Love how you styled your Windsor mermaid dress? Share your look and tag @windsorstore on your favorite social platform for a chance to be featured on our website.

What Is a Mermaid Dress?

A mermaid dress is fitted through the bodice and hips before flaring at or around the knee, creating the shape associated with a mermaid tail. The close fit through the upper portion of the dress distinguishes the silhouette from styles that begin to flare higher on the body.

Windsor’s mermaid dresses range from sleek and curve-hugging to more dramatic designs with corset bodices, ruching, open backs, slits, draping, and statement details.

Are Mermaid Dresses Formal?

Mermaid dresses are often associated with formal occasions because the fitted silhouette and dramatic floor-length flare create an elevated look. Mermaid gowns can work especially well for formal weddings, galas, holiday celebrations, and other events where a statement dress fits the dress code.

The silhouette can also work for semi-formal occasions depending on the length, fabrication, and details. When choosing your dress, consider the invitation and venue along with how dramatic you want the overall look to feel.

Find Windsor’s Mermaid Dresses for fall and winter celebrations, with fitted silhouettes, dramatic flared hems, and statement details designed for memorable occasions.

  • Nemi Formal High Slit Ruched Dress

    Special Occasion

    Create a mesmerizing impression with an elegant formal dress that captivates! Nemi features a sleeveless cowl neckline, padded cups, corset seams at the bodice, flexible boning, and ruching. Her slim fit bodice leads to a mermaid silhouette accented with a high side slit. Nemi is composed of satin fabric that offers a form hugging fit with minimal stretch. Complete look with rhinestone heels and a tennis bracelet. 

    Fit & Features

    • Sleeveless cowl neckline
    • Padded cups, adjustable spaghetti straps
    • Corset seams at bodice, flexible boning
    • Ruching
    • Mermaid silhouette, high side slit
    • Satin fabric
    • Form hugging fit, minimal stretch, runs true to size

    Style Number/Barcode: 05002-1294

    Category Name: Mermaid Dresses

    Price: $19.97 $74.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Irene Formal Backless Glitter Mermaid Dress

    Special Occasion 

    Strike a stunning impression with a formal glitter dress that dazzles from all angles. Irene features a sleeveless V-neckline, spaghetti straps, a backless design with lower back ties, and a floor-length hem with a mermaid silhouette. The dress is composed of a glitter knit fabric that offers a form-hugging fit with moderate stretch. Complete the look with rhinestone heels and a clutch.

    Fit & Features

    • Sleeveless V-neckline, princess seams, high waist seam
    • Spaghetti straps
    • Open back, lower back ties, ruching at lower back
    • Floor-length hem, mermaid silhouette
    • Glitter knit fabric, moderate stretch
    • Sticky bra or pasties recommended
    • Runs true to size

    Style Number/Barcode: 05002-7039

    Category Name: Mermaid Dresses

    Price: $29.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Kelsey Halter Lace-Up Mermaid Dress

    Special Occasion

    Step out and slay in the sultry and chic Kelsey dress! She features a sleeveless bodice, a plunging V-neckline, and halter straps that lead to a lace-up back design that lets you adjust the fit on the form-hugging mermaid hem. Style this dress with rhinestone statement earrings and a sparkly clutch.

    Fit & Features

    • Sleeveless bodice, deep V-neckline
    • Halter straps
    • Lace-up back design
    • Floor-length mermaid silhouette
    • Form-hugging fit
    • Stretchy knit fabric, short lining
    • Runs true to size

    Style Number/Barcode: 05002-1305

    Category Name: Mermaid Dresses

    Price: $19.97 $46.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Brenna High-Slit Sequin Mermaid Dress

    Special Occasion

    Get a gorgeous iridescent glow in the stunningly chic Brenna dress! She features a sleeveless V-neckline with a notched front detail, padded cups, spaghetti straps that lead to a cross-back lace-up design, and a floor-length mermaid silhouette with a thigh-high side slit. The dress features all-over iridescent sequin embroidery for a pretty vibe. Style this dress with clear heels.

    Fit & Features

    • Sleeveless V-neckline, wired notched front detail, padded cups
    • Spaghetti straps
    • Open back, cross-back lace-up design
    • Lower back zipper and hook and eye closure
    • Floor-length mermaid silhouette, high side slit
    • Lined knit fabric, moderate stretch, iridescent sequin embroidery
    • Runs true to size

    Style Number/Barcode: 05002-1302

    Category Name: Mermaid Dresses

    Price: $14.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Florence Formal Lace Illusion Mermaid Dress

    Special Occasion 

    Go bold with a formal dress that commands attention from the moment you enter the room! Florence features a sleeveless sweetheart neckline, lace cups, adjustable spaghetti straps, and an illusion lace bodice with contrast piping. The slim-fit waist leads to a satin mermaid silhouette with ruching and a high side slit. The dress offers a form hugging fit with slight stretch. Complete look with door knocker earrings and a satin clutch. 

    Fit & Features

    • Sleeveless sweetheart neckline, padded cups, underwire
    • Lace cups, adjustable spaghetti straps
    • Illusion lace bodice with contrast piping, flexible boning
    • Mermaid silhouette
    • Ruching, high side slit
    • Satin fabric 
    • Form hugging fit, slight stretch
    • Runs true to size

    Style Number/Barcode: 05002-1321

    Category Name: Mermaid Dresses

    Price: $13.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Candace Satin Ruched Mermaid Dress

    Special Occasion

    Stun in the gorgeous Candace satin mermaid dress to wow at your next formal soiree! She features a sleeveless scoop neckline, dual spaghetti straps that lead to a sexy cross-back design, back ruched detailing, and a floor-length, curve-hugging mermaid silhouette. The smooth satin knit fabric offers a moderate stretch. Complete the look with rhinestone statement earrings and new heels.

    Fit & Features

    • Sleeveless scoop neckline, adhesive bra recommended
    • Dual spaghetti straps, cross-back design
    • High waist seam, back ruched detailing
    • Floor-length, form-hugging mermaid silhouette
    • Satin knit fabric, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1319

    Category Name: Mermaid Dresses

    Price: $19.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Farren Formal Lace Illusion Mermaid Dress

    Special Occasion 

    Stun in a lace dress, to make your special evening memorable! Farren features a sleeveless V-neckline, spaghetti straps, a partially lined lace illusion bodice, and a curve-hugging mermaid silhouette. The dress is composed of a smooth knit fabric that offers a moderate stretch. Complete look with a rhinestone clutch and heels. 

    Fit & Features

    • Sleeveless V-neckline
    • Spaghetti straps
    • Lace illusion bodice
    • Mermaid silhouette
    • Smooth knit fabric
    • Form hugging fit, moderate stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1331

    Category Name: Mermaid Dresses

    Price: $14.97 $64.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Zenaida Formal Sleeveless Lace Mermaid Dress

    Special Occasion 

    Make them marvel with a mermaid dress that captivates! The dress features a sleeveless V-neckline, spaghetti straps that cross at the back, lace-up straps at the back, a lace pattern throughout, and a mermaid silhouette. The dress offers a form-hugging fit with a moderate stretch. Complete look with rhinestone bobby pins and a rhinestone cuff.

    Fit & Features

    • Sleeveless V-neckline, padded cups
    • Spaghetti straps, cross at back 
    • Lace-up straps 
    • Mermaid silhouette, form-hugging fit
    • Sheer lace fabric, knit lining, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1338

    Category Name: Mermaid Dresses

    Price: $19.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Amelie Formal High Slit Crepe Dress

    Special Occasion 

    Strike a pose in a formal dress that leads the way! The dress features a sleeveless V-neckline with a notched accent, satin bodice, a cutout at the midriff, spaghetti straps that cross at the back, and a high side slit. The dress is composed of a crepe fabric that offers a form hugging fit with a moderate stretch. Complete look with a rhinestone bracelet. 

    Fit & Features

    • Sleeveless V-neckline, notched accent
    • Cutout a the midriff
    • Spaghetti straps, cross at back
    • High side slit
    • Crepe fabric 
    • Form hugging fit, moderate stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1341

    Category Name: Mermaid Dresses

    Price: $14.97 $56.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Trinity Formal High Slit Glitter Dress

    Special Occasion 

    Make a glitzy impression in the Trinity formal dress that glows under the spotlight! She features a sleeveless square neckline with a U-shaped wire insert, spaghetti straps, and a form-hugging mermaid silhouette, and a ruched seam with a sexy high-side slit to showcase some skin. The formal dress is composed of a glitter stretch-knit fabric and is partially lined. Complete your dressy look with a rhinestone bracelet and heels.

    Fit & Features

    • Sleeveless square neckline, spaghetti straps
    • U-shaped wire insert
    • Bra-friendly design
    • Form-hugging, mermaid silhouette
    • High side slit
    • Glitter stretch-knit fabric, partial lining
    • Fits true to size

    Style Number/Barcode: 05002-1343

    Category Name: Mermaid Dresses

    Price: $29.97 $62.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Celina Glitter Knit Mermaid Dress

    Special Occasion

    Turn heads and make a sparkly statement in the stunning Celina dress! She features a sleeveless cowl neckline, spaghetti straps that lead to a cross-back design, front ruched detailing, and a floor-length mermaid silhouette with a thigh-high slit. Complete the look with rhinestone statement earrings and chic heels.

    Fit & Features

    • Sleeveless cowl neckline
    • Spaghetti straps, cross-back design
    • Front ruching
    • Floor-length mermaid silhouette, high front slit
    • Curve-hugging fit
    • Glitter knit fabric, short knit lining, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1718

    Category Name: Mermaid Dresses

    Price: $19.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Paola Formal Ruched Floral Lace Dress

    Special Occasion 

    Make major waves with a formal dress that captivates from the moment you enter the room! Paola features a sleeveless V-neckline with padded cups, adjustable spaghetti straps, a floral lace back with lower back keyhole, a ruched body throughout, and a mermaid silhouette. The dress is composed of a lined mesh fabric that offers a form hugging fit with a moderate stretch. Complete look with heels and a clutch. 

    Fit & Features

    • Sleeveless V-neckline, padded cups
    • Adjustable spaghetti straps
    • Floral lace back, lower back keyhole
    • Ruching
    • Lined mesh fabric 
    • Form hugging fit, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1357

    Category Name: Mermaid Dresses

    Price: $19.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Bianca Ruched Mermaid Formal Dress

    Special Occasion

    Get a gorgeous, curve-hugging silhouette in the simple yet chic Bianca formal dress. She features a sleeveless deep V-neckline with a padded bust, spaghetti straps, front and back ruched detailing, and a floor-length, form-fitting mermaid silhouette. Style this dress with rhinestone earrings to add a pretty sparkle to the look.

    Fit & Features

    • Sleeveless V-neckline, built-in padded bust
    • Adjustable spaghetti straps
    • Front and back ruching
    • Floor-length mermaid silhouette
    • Form-hugging fit
    • Crepe fabric, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1922

    Category Name: Mermaid Dresses

    Price: $14.97 $44.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Ariella Heat Stone Mermaid Formal Dress

    Special Occasion

    Showcase gorgeous radiance when you enter the room in the floor-sweeping Ariella formal dress. She features a sleeveless sweetheart neckline, dual adjustable spaghetti straps for a customized fit, a chic strappy lace-up back design, all-over heat stone embellishment for that glamorous sparkle, and a fitted mermaid silhouette with a sultry thigh-high side slit to show some leg. Complete the look with sleek stilettos.

    Fit & Features

    • Sweetheart neckline, dual adjustable spaghetti straps
    • Adhesive bra recommended
    • Lace-up back, high side slit
    • Heat stone embellishments
    • Mermaid silhouette, floor-length hem
    • Minimal stretch
    • Runs true to size

    Style Number/Barcode: 05002-2353

    Category Name: Mermaid Dresses

    Price: $19.97 $109.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Bette Formal Open Back Crepe Dress

    Special Occasion 

    Make a head-turning moment with a formal dress that wows! The dress features a sleeveless square neckline with padded cups, adjustable spaghetti straps, an open-back design with chiffon tie-back straps, and an A-line silhouette. The dress is composed of a lined crepe fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels and a rhinestone bracelet.

    Fit & Features

    • Sleeveless square neckline, padded cups
    • Adjustable spaghetti straps
    • Open-back design, lower back zipper and hook and eye closure
    • Chiffon tie-back straps
    • A-line silhouette
    • Crepe fabric 
    • Form-hugging fit, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1370

    Category Name: Mermaid Dresses

    Price: $29.97 $56.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Eden Formal Lace-Up Mermaid Dress

    Special Occasion

    Lace-up for a glam night out in a dress that stuns from the moment you walk in. Eden features a sleeveless square neckline with a built-in padded bust, adjustable cross-straps, and an open-back with a sultry lace-up that lets you adjust the fit. Her bodice leads to a flowy mermaid silhouette that hugs your curves. The dress is composed of a lined crepe fabric with a moderate stretch. Complete look with heels and a rhinestone clutch. 

    Fit & Features

    • Square neckline, padded bust
    • Adjustable spaghetti straps, cross-back design
    • Open-back lace-up, zipper closure
    • Flowy mermaid silhouette
    • Lined crepe fabric, moderate stretch
    • Form-hugging fit
    • Runs true to size

    Style Number/Barcode: 05002-1340

    Category Name: Mermaid Dresses

    Price: $14.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Azalea Formal High Slit Sequin Dress

    Special Occasion

    Showcase your show-stopping looks in the gorgeous Azalea sequin dress. She features a sleeveless bodice, spaghetti straps, a trendy square neckline with padding, a no-slip strip, and a backless design with a lace-up accent. Her high waist seam leads to a floor-length, curve-hugging mermaid silhouette with a high slit for a chic factor. The dress is composed of a lined mesh fabric with an all-over intricate sequin design and includes a stretchy knit lining. Complete your outfit with radiant earrings and a rhinestone cuff.

    All eyes are on you in this radiant dress. If sparkle is your signature, discover stunning sequin prom dresses or opt for effortless sophistication with our eye-catching formal dresses.

    Fit & Features

    • Spaghetti straps
    • Square neckline with padding
    • Open back with a lace-up design
    • Lower back zipper and hook and eye closure
    • Floor-length, form-hugging mermaid fit, high side slit
    • Mesh fabric with a knit lining, all-over sequin pattern
    • Form-hugging fit, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1384

    Category Name: Mermaid Dresses

    Price: $39.97 $89.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Stacy Glitter Knit Mermaid Formal Dress

    Special Occasion

    The Stacy formal dress captivates the room in a shimmering glitter fabric that sweeps into her curve-accentuating mermaid silhouette. She features a sleeveless, v-neckline, spaghetti straps, and front ruched detail, and a high-cut slit on a maxi length hem. Perfect for styling with silver heels.

    Fit & Features

    • Sleeveless, spaghetti straps
    • V-neckline with padded cups
    • Front ruching, high-cut slit
    • Mermaid silhouette
    • Glitter knit fabric, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1390

    Category Name: Mermaid Dresses

    Price: $64.90

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Beatrix Formal X-Back Satin Dress

    Special Occasion 

    Elevate your evening with a formal dress that brings the sophistication and grace to your outfit. Beatrix features a sleeveless V-neckline, padded cups, spaghetti straps, cross-back straps, and a mermaid silhouette. The dress is composed of a lined satin fabric that offers a form hugging fit with a slight stretch. Complete look with rhinestone heels and a rhinestone collar. 

    Fit & Features

    • Sleeveless V-neckline
    • Padded cups
    • Spaghetti straps, cross-back straps
    • Mermaid silhouette
    • Lined satin fabric
    • Form hugging fit, slight stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1408

    Category Name: Mermaid Dresses

    Price: $19.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Holly Lace-Up Back Mermaid Dress

    Special Occasion

    Showcase a chic and sexy vibe in the stunning Holly mermaid dress. She features a sleeveless deep V-neckline, dual spaghetti straps that lead to a cross-back lace-up design, a high waist seam, and a curve-hugging fit with a floor-length mermaid silhouette. Style this dress with rhinestone earrings to add some glamour and a pair of strappy stilettos.

    Fit & Features

    • Sleeveless deep V-neckline
    • Dual spaghetti straps
    • Open back, cross-back lace-up design
    • High waist seam
    • Form-hugging fit, floor-length mermaid silhouette
    • Crepe fabric, knit lining, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1416

    Category Name: Mermaid Dresses

    Price: $19.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Clearance
  • Ireland Formal Sequin Mermaid Dress

    Special Occasion 

    Bring the sparkle to your evening in a formal dress that makes a breathtaking entrance! Ireland features a plunging V-neckline, long sleeves, sparkling sequins set in a scroll print, and a mermaid silhouette. Ireland is composed of a lined mesh fabric that offers a form hugging fit with minimal stretch. Complete look with rhinestone earrings and a tennis bracelet. 

    Fit & Features

    • V-neckline
    • Long sleeves
    • Sequins
    • Scroll print
    • Mermaid silhouette
    • Lined mesh fabric
    • Form hugging fit, minimal stretch, runs true to size

    Style Number/Barcode: 05002-1414

    Category Name: Mermaid Dresses

    Price: $14.97 $99.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Shakira Cowl Neck Lace Mermaid Formal Dress

    Special Occasion 

    The Shakira formal dress is destined to make a grand entrance at your next event! She features a sleeveless cowl neckline with a display of delicate lace to add a romantic touch to her mermaid silhouette. The dress is composed of a smooth silk-like fabric that effortlessly hugs your curves into a floor-length mermaid silhouette. Complete your look with a rhinestone necklace and earrings. 

    Fit & Features

    • Sleeveless, cowl neckline
    • Lace insert with padded cups
    • Spaghetti straps
    • High waist
    • Mermaid silhouette 
    • Smooth silk fabric
    • Form hugging fit, minimal stretch, runs true to size

    Style Number/Barcode: 05002-1393

    Category Name: Mermaid Dresses

    Price: $14.97 $64.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Ember Formal Wrap Mermaid Dress

    Special Occasion

    Wrap yourself in elegance with a formal dress that makes a breathtaking impression. Ember features a wrap V-neckline, spaghetti straps, and a wrap mermaid silhouette. The dress is composed of a crepe fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels and a dainty cuff.

    Fit & Features

    • Wrap V-neckline
    • Spaghetti straps
    • Wrap mermaid silhouette
    • Lined crepe fabric 
    • Form hugging fit, moderate stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1432

    Category Name: Mermaid Dresses

    Price: $13.97 $54.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Renata Formal Off The Shoulder Mermaid

    Special Occasion 

    Channel classic elegance with a formal dress that is totally A-list worthy! The dress features an off-the-shoulder neckline with a sweetheart bust, long sleeves, and a curve-hugging mermaid silhouette. The dress is composed of a crepe fabric that offers a form-hugging fit with a moderate stretch. Complete look with heels and a rhinestone clutch. 

    Fit & Features

    • Off the shoulder neckline, sweetheart bust
    • Long sleeves
    • Mermaid silhouette
    • Crepe fabric 
    • Form hugging fit, moderate stretch 
    • Runs true to size

    Style Number/Barcode: 05002-1435

    Category Name: Mermaid Dresses

    Price: $14.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free