Mermaid Dresses
Mermaid dresses are made for entrances—and every camera flash after. Keep it photo-ready and elegant with cocktail midi or long silhouettes that hug, shape, and flare in all the right places. Try a corset bodice, off-the-shoulder neckline, cap sleeve, long sleeve, or cowl neck in slinky jersey knit, mesh, or velvet. Rhinestones, sequins, and beading bring the shine, while burgundy, plum, navy, hunter green, and black set the mood. Perfect for sorority formals, a guest of wedding look, black tie events, or a gala where showing up polished is the dress code. Add heels, a sleek clutch, and let the silhouette handle the rest.
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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.
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Lynette Embroidered Corset Slit Mermaid Formal Dress
Special Occasion
A luminous and luxe look like the Lynette mermaid formal dress is ready for the night of your dreams! From the gorgeous embroidered rhinestone sequin corset bodice to the lace-up open back, you'll enchant everyone.
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
- Sheen knit fabric lined with stretchy knit
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Sheer embroidered corset bodice, sequins, rhinestones, beading
- Flexible boning, back zipper and hook-eye closure
- High slit, mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie galas, balls, fancy birthday parties
Style Number/Barcode: 05002-9158
Category Name: Mermaid Dresses
Price: $19.97 $164.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Carrie Sequin Corset Mermaid Dress
Special Occasion
Bring the gorgeous shine to your formal affair in the Carrie corset mermaid dress crafted with a sequin scroll pattern exuding luxe glamour. The high-cut front slit on the floor-length hem adds that allure.
This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.
Fit & Features
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin embroidered scroll pattern
- Sleeveless sweetheart neckline
- Corset bodice, padded bust, flexible boning
- Adjustable spaghetti straps, back zipper closure
- Floor-length mermaid silhouette, high front slit
- Runs true to size
Where to Wear:
Prom, galas, and formal weddings.
Style Number/Barcode: 05002-9176
Category Name: Mermaid Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Faye Cold Shoulder Mermaid Beaded Formal Dress
Special Occasion
Capture the attention of the room in the Faye beaded sequin formal dress designed with a flirty cold shoulder and mermaid silhouette that flatters your curves!
Fit & Features
- Sequin beaded embellished
- Mesh fabric lined with stretchy knit
- Cold shoulder neckline, adjustable spaghetti straps
- Padded bra cups
- Back zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, big milestone celebrations, fancy dinner parties, and red-carpet events.
Style Number/Barcode: 05002-9165
Category Name: Mermaid Dresses
Price: $19.97 $129.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Keep It Sleek Midi Dress
The midi dress features a sleeveless square neckline, ruching, and a pleated mermaid silhouette that adds flair to your look! Complete the outfit with a sleek clutch.
Fit & Features
- Lined smooth knit fabrication, moderate stretch
- Sleeveless square neckline
- Ruching
- Pleated mermaid silhouette
- Midi length hem
- Runs true to size
Style Number/Barcode: 05101-000021
Category Name: Mermaid Dresses
Price: $36.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
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Helen Lace-Up Mermaid Sequin Formal Dress
Special Occasion
Shine all night in the Helen sequin formal dress destined to stela the spotlight with a head turning lace-up back and mermaid silhouette that flaunt your gorgeous curves!
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 embellished pattern, mesh-lined fabric
- V-neckline, padded bra cups
- Spaghetti straps
- Lace-up back
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear
Prom, big birthday events, black tie soirees, fancy functions and events
Style Number/Barcode: 05002-9160
Category Name: Mermaid Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Sarai Mermaid Sequin Beaded Formal Dress
Special Occasion
Sparkle this party season in the Sarai sequin beaded formal dress designed in a mermaid silhouette that accentuates your curves and a chic floor-length hem.
Fit & Features
- Sequin beaded embellished pattern
- Mesh fabric lined with stretchy knit
- Square neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, big milestone celebrations, black-tie galas, red-carpet events
Style Number/Barcode: 05002-9173
Category Name: Mermaid Dresses
Price: $169.90
Availability: Out of Stock
Product Badge:- Ships Free
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Dakota Mermaid Sequin Formal Dress
Special Occasion
Become a glam icon in the Dakota sequin formal dress designed to make jaws drop! The floor-length gown showcases a mermaid silhouette that flatters your gorgeous curves and a low-cut back for a show of skin.
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 embellished pattern
- Mesh fabric lined with stretchy knit
- V-neckline, padded bra cups, keyhole cutout
- Adjustable spaghetti straps
- Low-cut back, zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie weddings, galas, big celebration events
Style Number/Barcode: 05002-9199
Category Name: Mermaid Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Andrea Cutout Slit Mermaid Sequin Formal Dress
Special Occasion
Receive endless attention for how you shine in the Andrea mermaid sequin formal dress with a cutout back that turns heads and a high slit for effortless movement all night!
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
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin embroidered floral scroll pattern
- Sleeveless square neckline, padded bust
- Adjustable spaghetti straps
- Cutout back design, hook-eye closures, lower back zipper with hook-eye closure
- High front slit, floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, galas, and formal weddings.
Style Number/Barcode: 05002-9210
Category Name: Mermaid Dresses
Price: $49.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Violetta Sequin Lace-Up Mermaid Dress
Special Occasion
Look oh-so-luxe at your black-tie affair in the Violetta sequin lace-up mermaid dress. The intricate sequin embroidery will radiate gorgeous glamour.
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
- Sheer mesh fabric with knit lining, moderate stretch
- Sequin embroidered scroll pattern
- Sleeveless V-neckline, padded bust
- Spaghetti straps, open cross-back lace-up design
- Lower back zipper with hook-eye closure
- Floor-length mermaid silhouette, high front slit
- Runs true to size
Where to Wear:
Prom, black-tie galas, and fancy soirees.
Style Number/Barcode: 05002-9203
Category Name: Mermaid Dresses
Price: $49.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Celina Sequin Lace-Up High Slit Mermaid Dress
Special Occasion
Sparkle and shine in the Celina sequin formal dress to dazzle under the dancefloor lights! This formal dress boasts a striking lace-up back, a high front slit for movement, and a mermaid silhouette to show off your curves.
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 embellished pattern
- Mesh fabric lined with stretchy knit
- Square neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, and formal celebration events.
Style Number/Barcode: 05002-9220
Category Name: Mermaid Dresses
Price: $14.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tyra Halter Open Back Pearl Mermaid Formal Dress
Special Occasion
Polished drama and decadence perfectly describe how you'll look in the Tyra halter beaded pearl formal dress! From the sexy open-back design to the curve-hugging mermaid silhouette, you'll party til' dawn in sophisticated heaven.
Every detail shines in this intricately designed dress. Love embellishments? Explore our embellished beaded prom dresses or find a refined silhouette in our formal dresses.
Fit & Features
- Beaded faux pearl embellishments
- Mesh fabric lined with stretchy knit
- Halter plunge neckline with dual hook-eye closures
- Padded bra cups
- Open back with spaghetti strap tie, zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, black tie parties, galas, anniversaries, glam functions
Style Number/Barcode: 05002-9215
Category Name: Mermaid Dresses
Price: $69.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Vanessa Open Back Mermaid Sequin Formal Dress
Special Occasion
Dazzling sequins and beaded embellishments decorate the Vanessa mermaid formal dress! Designed with a plunge halter V-neckline for an alluring first glance while the open tie-back encourages head turning.
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 beaded embellishments
- Mesh lined fabric with stretchy knit
- Plunge halter V-neckline, hook-eye closures, padded bra cups
- Open tie-back design, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, red carpets, award ceremony dinners, glam functions
Style Number/Barcode: 05002-9217
Category Name: Mermaid Dresses
Price: $19.97 $129.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Hollie Lace-Up Mermaid Sequin Beaded Formal Dress
Special Occasion
Sparkling with sequins and intricate beading, the Hollie mermaid formal dress dares to impress with a lace-up back and high slit giving major allure!
This dazzling dress was made for the spotlight! Love the shimmer? Discover more sequin prom dresses or find a sophisticated look in our wedding guest dresses.
Fit & Features
- Beaded sequin embellishments
- Mesh-lined fabric
- Cowl neckline, adjustable spaghetti straps
- Back lace-up, zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, fancy parties, glam functions
Style Number/Barcode: 05002-9213
Category Name: Mermaid Dresses
Price: $59.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kaida Sleeveless Slit Mermaid Formal Dress
Special Occasion
Sleek and striking, the Kaida long formal dress offers a simply chic style with a flattering mermaid silhouette and high front slit giving effortless flair!
Channel elegance in this stunning dress. Loving rich hues? Explore our bold green prom dresses or make a statement in our elevated formal dresses.
Fit & Features
- Stretch knit fabric lined with knit
- Square neckline, padded bra cups
- Adjustable spaghetti straps, back zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, dinner parties, milestone celebrations, cocktail soirees
Style Number/Barcode: 05002-9211
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: GREEN
Available Size: XS, S
Product Badge:- Ships Free
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Stefania Lace Open Back Mermaid Formal Dress
Special Occasion
The Stefania is so striking and sultry, with a lace open back and side ruched seams that accentuate your curves along the mermaid silhouette.
Fit & Features
- Mesh fabric lined with stretchy knit
- Halter neckline with button closures, padded bra cups
- Lace open back, lower zipper and hook-eye closure
- Side ruched seams
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, wedding guests, rehearsal dinners, galas, big birthday events, engagement parties
Style Number/Barcode: 05002-9212
Category Name: Mermaid Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Radiantly Flawless Halter Mermaid Midi Dress
The smooth knit dress features a sleeveless halter neckline, mini bar strap accents at the bust with metal hardware, a flared mermaid silhouette, and a midi-length hem. Complete night out look with metallic heels.
Fit & Features
- Lined smooth knit fabrication
- Plunging halter neckline
- Mini bar strap accents with metal hardware
- Flared mermaid silhouette
- Midi length hem
- Runs true to size
Style Number/Barcode: 05101-3931
Category Name: Mermaid Dresses
Price: $9.97 $36.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Farryn Lace-Up Mermaid Floral Sequin Formal Dress
Special Occasion
The Farryn floral sequin formal dress is the epitome of romance! With a striking lace-up back and a curve-flaunting mermaid silhouette, everyone will admire you in this dress.
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
- Floral pattern, sequin embellished fabric lined with stretchy knit
- V-neckline, padded bra cups
- Spaghetti straps
- Lace-up back, zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, garden parties, fancy dates, engagement parties, milestone celebrations
Style Number/Barcode: 05002-9225
Category Name: Mermaid Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Maude Strapless High Slit Mermaid Dress
Special Occasion
Classic with a chic allure will be your vibe in the Maude strapless mermaid dress. The pleated wrap-front design creates a high-cut slit that will turn heads.
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
- Crepe fabric with moderate stretch
- Strapless sweetheart neckline with surplice design, padded bust
- Pleated bodice
- Back zipper with hook-eye closure
- Pleated wrap-front design, high-cut slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Black-tie weddings, galas, and formal dinner parties.
Style Number/Barcode: 05002-9223
Category Name: Mermaid Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Frida Strapless Mermaid Lace Formal Dress
Special Occasion
Celebrate the beauty of the moment in the Frida lace formal dress. Capture the romantic feel of this chic dress designed with a curve-hugging mermaid silhouette and floor-length hem that brings a hint of drama.
Fit & Features
- Floral lace pattern fabric, stretchy knit lining
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- Flexible boning inserts in the bodice
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, brides, weddings, engagement parties, rehearsal dinners, bridal showers, wedding showers, formal occasions and events
Style Number/Barcode: 05002-9146
Category Name: Mermaid Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free
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Kaitlin Low Back Slit Mermaid Formal Dress
Special Occasion
Make it an unforgettable night in the Kaitlin formal dress at galas or black tie events. The sleeveless dress captivates with an alluring open-back design and high front slit along the figure-enhancing mermaid silhouette. Pair with earrings and heels.
Fit & Features
- Smooth knit fabric
- Scoop neckline, wide shoulder straps
- Open-back design
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where To Wear:
Weddings, bridesmaids, galas, black tie dinner parties, milestone celebrations, fancy date nights, formal dances, big birthday events, anniversaries, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-9230
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: SAGE, NAVY, BURGUNDY, BLACK, BROWN-2, PLUM, IVORY, DENIM, RUST, HUNTER-2, HUNTER, LIGHT, BLUE
Available Size: XS, S, M, L, XL
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Sasha One-Shoulder Mermaid Velvet Formal Dress
Special Occasion
Embody soft elegance in the Sasha velvet formal dress for black tie parties and events! The formal dress is designed with a chic one-shoulder neckline, a mermaid silhouette that flaunts your curves, and a high front wrap slit that shows off some skin. Complete the look with a clutch.
Fit & Features
- Velvet fabric, moderate stretch
- One-shoulder wired V-notch neckline
- Fitted long sleeve
- High front wrap slit
- Mermaid floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-9227
Category Name: Mermaid Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: In Stock
Available Color: BLACK
Available Size: XS
Product Badge:- Sale
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Mayva V-Neck Mermaid Sequin Formal Dress
Special Occasion
Prepare to sparkle in the Mayva sequin formal dress for a night you'll never forget! With a sultry plunge V-neckline and a mermaid silhouette, this floor-length dress exudes sophistication.
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 pattern, mesh-lined fabric
- Adjustable spaghetti straps
- Plunge V-neckline, wire insert, padded bra cups
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, red-carpet events, fancy galas, big birthday events
Style Number/Barcode: 05002-9229
Category Name: Mermaid Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kelsey Halter Printed Mermaid Formal Dress
Special Occasion
Dare to stand out in the stunning Kelsey formal dress at dressy occasions this party season! Crafted from an abstract print mesh fabric, this floor-length dress delivers unique style and sultry details like a halter neckline and mermaid silhouette that flaunts your figure. Pair with earrings.
Fit & Feaures
- Abstract print, mesh fabric lined with stretchy knit
- Halter V-neckline, padded bra cups
- Back zipper and hook-eye closure
- Side ruched seams
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9240
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lottie Sequin Lace-Up Mermaid Dress
Special Occasion
Show up and stun in the Lottie lace-up mermaid dress crafted with glamorous sequins in a gorgeous geometric design. The open lace-up back and high-cut slit add that chic allure to the glitzy silhouette.
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
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin embroidered geometric pattern
- Sleeveless square neckline
- Spaghetti straps, open cross-back lace-up design
- Lower back zipper
- Floor-length mermaid silhouette, high front slit
- Runs true to size
Where to Wear:
Prom, galas, and formal birthday celebrations.
Style Number/Barcode: 05002-9242
Category Name: Mermaid Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free