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.

  • Olive Strapless Slit Mermaid Satin Formal Dress

    Special Occasion

    Exude elegance and allure with every detail of the Olive strapless satin formal dress! Designed with a flattering mermaid silhouette and a high wrap slit that offers effortless grace with every step.

    This dress brings effortless confidence with every step. Love this look? Browse our stunning strapless prom dresses or find a statement style in our party dresses.

    Fit & Features

    • Stretch satin fabric, sewn-in knit lining, moderate stretch
    • Strapless sweetheart neckline, padded bra cups, flexible boning
    • Back zipper and hook-eye closure
    • High front wrap slit
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, formal weddings, engagement parties, black tie galas, fancy date nights

    Style Number/Barcode: 05002-9662

    Category Name: Mermaid Dresses

    Price: $69.90

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Catherine Open Back Mermaid Glitter Formal Dress

    Special Occasion

    Radiate confidence and elegance in the Catherine glitter formal dress. The stunning open back and high front slit add a touch of allure to the classic mermaid silhouette. 

    Fit & Features

    • Glitter fabric, stretchy knit lining
    • Cowl neckline, padded bra cups
    • Wide shoulder straps
    • Open back with hook closure
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Weddings, milestone celebrations, engagement parties, fancy date nights

    Style Number/Barcode: 05002-9664

    Category Name: Mermaid Dresses

    Price: $39.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Jelene Cold-Shoulder Mermaid Satin Formal Dress

    Special Occasion

    A chic cold shoulder shapes the Jelene satin formal dress made to impress! Designed to accentuate your curves in a ruched mermaid silhouette with a floor-length hem for some drama.

    Love this bold look? Discover more show-stopping red prom dresses or chic formal dresses for any occasion.

    Fit & Features

    • Stretch satin fabric lined with stretchy knit
    • Cold-shoulder neckline, V-wired insert
    • Short-sleeve cuffs, adjustable spaghetti straps
    • Back zipper and hook-eye closure
    • Side ruched seams
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    School dances, black-tie weddings, galas, award ceremonies, and formal parties, rehearsal dinners, engagement parties, upscale milestone celebrations, birthdays, date night

    Style Number/Barcode: 05002-9670

    Category Name: Mermaid Dresses

    Price: $19.97 $74.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Georgina Strapless Lace-Up Mermaid Formal Dress

    Special Occasion

    Timeless style with a chic modern vibe, the Georgina strapless formal dress dares to radiant every room! With an alluring lace-up back and a curve-hugging mermaid silhouette, you'll look and feel like a dream.

    Flawlessly chic and bold, this dress is a statement. If strapless styles are your go-to, explore our strapless prom dresses or embrace effortless fashion with our formal dresses.

    Fit & Features

    • Sleek knit fabric with stretchy knit lining
    • Strapless neckline, padded bra cups
    • Lace-up back, lower zipper and hook-eye closure
    • Side ruched seams
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, formal functions, big parties, black tie events

    Style Number/Barcode: 05002-9675

    Category Name: Mermaid Dresses

    Price: $19.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Perry Glitter Knit Wrap Slit Mermaid Dress

    Special Occasion

    Bring luxe glamour to your formal affair in the Perry glitter knit mermaid dress that radiates an elegant shine. The floor-sweeping silhouette features a ruched wrap-front with a high slit for added allure.

    Flawlessly chic and bold, this dress is a statement. If strapless styles are your go-to, explore our strapless prom dresses or embrace effortless fashion with our formal dresses.

    Fit & Features

    • Glitter knit fabric with full-length knit lining, moderate stretch
    • Strapless cowl neckline, no-slip strip
    • Front flexible boning, back zipper with hook-eye closure
    • High waist seam, ruched wrap-front design, high slit
    • Floor-length mermaid silhouette
    • Runs true to size
    • Extra glitter for maximum sparkle - may have some natural fallout

     

    Where to Wear:

    Prom, galas, and black-tie events.

    Style Number/Barcode: 05002-9659

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Ariadna Strappy Open Back Slit Glitter Formal Dress

    Special Occasion

    For a night to remember slip into the Ariadna glitter formal dress designed to please every crowd with a strappy open back and a high front slit for a sultry allure!

    Fit & Features

    • Glitter fabric lined with stretchy knit
    • V-neckline, padded bra cups
    • Spaghetti straps, open strappy back
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Extra glitter for maximum sparkle - may have some natural fallout
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, fancy cocktail parties, romantic date nights

    Style Number/Barcode: 05002-9653

    Category Name: Mermaid Dresses

    Price: $79.90

    Availability: In Stock

    Available Color: BLACK, RED

    Available Size: XS, S, M, L, XL

    Product Badge:
    • Ships Free
  • Marcie Cowl Neck Slit Mermaid Formal Dress

    Special Occasion

    The Marcie formal dress is the showstopping style that demands attention! Designed in a flattering mermaid silhouette, this dress fits like a glove with a faux wrap design and high slit for allure.

    Fit & Features

    • Smooth knit fabric, stretchy knit lining
    • Cowl neckline, padded bra cups
    • Adjustable spaghetti straps
    • Faux wrap design, high front slit
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, bridesmaids, formal parties and celebrations, glam functions

    Style Number/Barcode: 05002-9651

    Category Name: Mermaid Dresses

    Price: $29.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Colette Strapless Mermaid Satin Formal Dress

    Special Occasion

    The Colette satin formal dress is the epitome of sophisticated dressing with a chic strapless neckline and pleated mermaid silhouette that highlights your curves!

    Fit & Features

    • Premium satin fabric lined with stretchy knit
    • Strapless sweetheart neckline, padded bra cups
    • Back zipper and hook-eye closure with ruching
    • Pleated mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear: 

    Prom, weddings, bridesmaids, black-tie galas, charity dinners, nights at the theatre, and glam events.

    Style Number/Barcode: 05002-9672

    Category Name: Mermaid Dresses

    Price: $39.97 $89.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Mariam Lace-Up Slit Mermaid Glitter Formal Dress

    Special Occasion

    Subtly shine in the Mariam glitter formal dress but catch every eye with the lace-up back and high front slit that gives endless sultriness!

    Fit & Features

    • Glitter knit fabric
    • Cowl neckline
    • Adjustable spaghetti straps
    • Lace-up back
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, black-tie galas, fancy dinner parties, engagement parties, big birthday events, nights at the theatre and opera

    Style Number/Barcode: 05002-9665

    Category Name: Mermaid Dresses

    Price: $19.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

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

    Special Occasion

    The Elenora satin formal dress is destined to be your luxurious go-to for unforgettable evenings! Turn heads with the lace-up back design and a high front slit that offers effortless movement.

    Fit & Features

    • Stretch satin fabric lined with stretchy knit
    • Strapless neckline, padded bra cups, flexible boning
    • Lace-up back, zipper and hook-eye closure
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, black tie weddings, galas, glamorous events, fancy parties

    Style Number/Barcode: 05002-9678

    Category Name: Mermaid Dresses

    Price: $29.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Kimberly Strapless Tie-Back Mermaid Formal Dress

    Special Occasion

    Sleek, chic, and oh-so-flattering, the Kimberly strapless formal dress boasts a trendy tie-back design and mermaid silhouette that accentuates your gorgeous curves! 

    Fit & Features

    • Slinky knit-lined fabric with plenty of stretch
    • Strapless sweetheart neckline with twist accent, padded bra cups
    • Tie-back design
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Formal dances, weddings, bridesmaids, nights at the opera, black tie events, cocktail parties, engagement parties, rehearsal dinners, big birthday events, elegant date nights, red-carpet occasions

    Style Number/Barcode: 05002-000612

    Category Name: Mermaid Dresses

    Price: $59.90

    Availability: In Stock

    Available Color: SAGE

    Available Size: XS, S, M, L, XL

  • Santana Strapless Scarf Mermaid Satin Formal Dress

    Special Occasion

    The Santana satin formal dress is your ticket to black-tie glamour! With a chic scarf for versatile styling and a stunning mermaid silhouette, this dress makes an entrance.

    This dress is made for the spotlight. Want more ways to stand out? Shop our vibrant pink prom dresses or find a chic, event-ready look in our wedding guest dresses.

    Fit & Features

    • Stretch satin fabric, stretchy knit lining
    • Strapless neckline, padded bra cups
    • Back zipper and hook-eye closure
    • Scarf included
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, black-tie weddings, bridesmaids, garden parties, formal cocktail soirees, opera nights

    Style Number/Barcode: 05002-9684

    Category Name: Mermaid Dresses

    Price: $39.97 $89.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Jen V-Neck Halter Mermaid Formal Dress

    Special Occasion

    Slinky, sexy, and sumptuous in smooth knit, the Jen formal dress perfectly flaunts your figure in an elegant floor-length mermaid silhouette. 

    Fit & Features

    • Silky smooth knit fabric, stretchy knit lining
    • Halter V-neckline, tie closure, padded bra cups
    • Open back with tie strap, lower zipper and hook-eye closure
    • Mermaid silhouette, princess seam detailing
    • Floor-length hem
    • Runs true to size 

     

    Where to Wear:

    Prom, weddings, bridesmaids, black tie galas, dinner parties, engagement parties, rehearsal dinner, upscale celebrations, fancy date nights, cocktail soirees

    Style Number/Barcode: 05002-9685

    Category Name: Mermaid Dresses

    Price: $29.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Jocelyn Cold Shoulder Slit Mermaid Satin Formal Dress

    Special Occasion

    The Jocelyn satin formal dress is the perfect blend of sultry elegance! Its curve-flaunting mermaid silhouette accentuates your figure while the front high slit offers effortless movement along the floor-length hem.

    Fit & Features

    • Stretch satin fabric, sewn-in knit lining
    • Cold shoulder neckline
    • Back zipper and hook-eye closure
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Weddings, bridesmaids, black tie functions, fancy parties, rehearsal dinners, milestone celebrations

    Style Number/Barcode: 05002-9692

    Category Name: Mermaid Dresses

    Price: $29.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Juliane Strappy Back Mermaid Formal Dress

    Special Occasion

    The Juliane formal dress drapes your figure in a mermaid silhouette while the strappy open back turns heads!

    Fit & Features

    • Smooth knit fabric, stretchy knit lining
    • Halter V-neckline, padded bra cups
    • Wide shoulder straps
    • Dual tie-back closures, open back
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Formal dances, weddings, bridesmaids, gala dinners, engagement parties, rehearsal dinners, fancy date nights, black tie events

    Style Number/Barcode: 05002-000301

    Category Name: Mermaid Dresses

    Price: $69.90

    Availability: In Stock

    Available Color: YELLOW, WINE

    Available Size: XS, S, M, L, XL

    Product Badge:
    • Back In Stock
  • Amari Strapless Applique Mermaid Satin Formal Dress

    Special Occasion

    The gorgeous Amari satin formal dress offers an alluring and feminine look with an applique design and mermaid silhouette that highlights your curves!

    Fit & Features

    • Stretch satin fabric, bust knit lining
    • Strapless sweetheart wired neckline, padded bra cups
    • Back zipper and hook-eye closure
    • Applique design
    • Mermaid silhouette
    • Floor-length hem with train
    • Runs true to size

     

    Where to Wear:

    Prom, black-tie galas and parties, weddings, fancy dinner parties, nights at the theatre

    Style Number/Barcode: 05002-9700

    Category Name: Mermaid Dresses

    Price: $19.97 $89.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Willow One-Shoulder Mermaid Formal Dress

    Special Occasion

    The slinky knit fabric and curve-creating silhouette make the Willow floor-length formal dress so sophisticated. The dress flaunts a sexy open-back design and mermaid silhouette that highlights your figure.

    Fit & Features

    • Slinky knit-lined fabric, moderate stretch
    • One-shoulder neckline, adjustable spaghetti strap
    • Open strappy back, lower ruched seam
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, bridesmaids, black-tie parties and events, fancy celebrations, dressed-up date nights

    Style Number/Barcode: 05002-9697

    Category Name: Mermaid Dresses

    Price: $29.97 $69.90

    On Sale: Yes

    Availability: Out of Stock

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

    Special Occasion

    The Ariela formal dress is beautifully embellished with soutache that adds a pretty dimension to the mermaid floor-length silhouette!

    Fit & Features

    • Soutache embellished, mesh fabric, stretchy knit lining
    • Strapless neckline, padded bra cups
    • Lace-up back, cutout, lower zipper and hook-eye closure
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, garden parties, formal occasions, black tie soirees, fancy date nights

    Style Number/Barcode: 05002-9703

    Category Name: Mermaid Dresses

    Price: $24.97 $99.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Christiane Corset Satin Formal Dress With Sash

    Special Occasion

    From the gorgeous corset bodice to the sweeping side sash, the Christiane satin formal dress ensures a glamorous entrance when you enter the party. Designed to be alluring, this mermaid dress has a beautiful beaded applique embellishment and a high front slit for effortless movement.

    Fit & Features

    • Stretch satin fabric, stretchy knit lining
    • Strapless sweetheart neckline, back zipper and hook-eye closure
    • Built-in padded bra cups, pleated bust
    • Corset bodice, flexible boning, beaded applique embellished
    • Attached side sash
    • High front slit, mermaid silhouette, floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, black tie weddings and events, galas, charity dinners, fancy celebrations

    Style Number/Barcode: 05002-9705

    Category Name: Mermaid Dresses

    Price: $59.97 $119.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Rosella Open Back Mermaid Satin Formal Dress

    Special Occasion

    Make a timeless and elegant impression in the Rosella satin formal dress with alluring details like an open strappy back and a flattering mermaid silhouette!

    Dripping in satin and pure sophistication, this dress turns heads effortlessly. Love that silky shine? Browse our luxe satin prom dresses or opt for a sleek silhouette with our formal dresses.>

    Fit & Features

    • Stretch satin fabric lined with stretchy knit
    • Square neckline, padded bra cups
    • Wide shoulder straps
    • Open strappy back, zipper and hook-eye closure
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, black tie weddings, gala, fancy dinner parties, engagement parties, cocktail soirees

    Style Number/Barcode: 05002-9709

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Ships Free
  • Lucena Convertible Mermaid Formal Dress

    Special Occasion

    The Lucena mermaid formal dress offers endless styling options to suit your mood for any formal occasion! The dress boasts a convertible style neckline that can be worn as a halter, one shoulder, and more plus has a high front slit for effortless movement.

    Fit & Features

    • Smooth knit lined fabric
    • Convertible neckline with straps
    • High front slit
    • Mermaid silhouette
    • Floor-length hem
    • Multiple styling options
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, bridesmaids, black-tie gala, fancy dinner parties, formal occasions and events

    Style Number/Barcode: 05002-000066

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Joan Lace-Up Mermaid Glitter Formal Dress

    Special Occasion

    Laced up in glamour, the Joan glitter formal dress exudes chic sparkle in a flattering mermaid silhouette and floor-length hem that elongates your figure!

    Fit & Features

    • Glitter fabric lined with stretchy knit
    • Square cowl neckline
    • Spaghetti straps
    • Lace-up back
    • Mermaid silhouette
    • Floor-length hem
    • Runs true to size

     

    Where to Wear:

    Prom, weddings, big birthday events, dressed-up date nights, rehearsal dinners, award ceremonies

    Style Number/Barcode: 05002-9719

    Category Name: Mermaid Dresses

    Price: $19.97 $79.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Lindsay Corset Mermaid Sequin Glitter Formal Dress

    Special Occasion

    The Lindsay sequin glitter formal dress is a real show-stopper designed to make you feel like pure magic! The sheer corset-style bodice brings the drama while the mermaid silhouette puts your curves on display. 

    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

    • Sequin glitter applique, mesh partially lined fabric
    • V-neckline, adjustable spaghetti straps
    • Sheer corset-styled bodice, bra pads attached
    • Low-back design
    • Mermaid silhouette, floor-length hem
    • Runs true to size
    • Extra glitter and sequins for maximum sparkle - may have some natural fallout

     

    Where to Wear:

    Prom, black tie parties, galas, glam functions and events

    Style Number/Barcode: 05002-9714

    Category Name: Mermaid Dresses

    Price: $19.97 $89.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Candence Corset Mermaid Lace Formal Dress

    Special Occasion

    Dainty lace and delicate details create the Candence lace formal dress that will leave everyone breathless! Designed with a chic corset bodice that flatters your figure, along with the mermaid silhouette with a high front slit for effortless movement.

    Fit & Features

    • Lace fabric lined with stretchy knit
    • Off-the-shoulder neckline, padded bra cups
    • Corset bodice, flexible boning inserts, back zipper and hook-eye closure
    • High front slit
    • Mermaid silhouette, floor-length hem
    • Runs true to size 

     

    Where to Wear:

    Prom, weddings, bridesmaids, garden parties, elegant soirees, formal celebrations

    Style Number/Barcode: 05002-001611

    Category Name: Mermaid Dresses

    Price: $59.90

    Availability: In Stock

    Available Color: IVORY, BROWN

    Available Size: XS, S, M, L, XL