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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Wendy Sleeveless Mermaid Glitter Formal Dress
Special Occasion
Dazzle all day and night in the Wendy sleeveless glitter formal dress at weddings or parties! Crafted from glitter fabric, this dress will make you shine like a star at any event. The square neckline and adjustable spaghetti straps flatter and support, while the mermaid silhouette and floor-length hem add an ethereal touch making you feel so stunning! Complete the look with a dainty necklace.
Fit & Features
- Glitter fabric, additional fabric layer at the bust, moderate stretch
- Adjustable spaghetti straps
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8488
Category Name: Mermaid Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Callie Off-The-Shoulder Mermaid Glitter Satin Formal Dress
Special Occasion
Create effortlessly beautiful moments in the Callie glitter satin formal dress to make an entrance into black-tie galas, weddings, or events! Crafted from a luxurious satin fabric covered with glistening glitter for the ultimate sparkle under the lights. She boasts a sexy plunging neckline, chic short-sleeve cuffs, and padded bra cups for support. The mermaid silhouette and high front slit along the floor-length hem add a touch of elegance while accentuating your natural curves, making it perfect for any formal event! Complete the look in rhinestone strap heels and dainty earrings.
Fit & Features
- Glitter satin fabric lined with stretchy knit
- Plunging wired neckline
- Back zipper and hook-eye closure
- Padded bra cups
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8491
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Carla Cowl Neck Mermaid Lace Crepe Formal Dress
Special Occasion
Making a statement-worthy entrance is never an issue in the Carla lace crepe formal dress at galas or black tie soirees! The cowl neckline and side lace inserts add a touch of elegance, while the padded bra cups and adjustable spaghetti straps offer a perfect fit. With a stunning mermaid silhouette and floor-length hem, this dress will make a statement at your next formal event. The back lace panel adds drama and leaves a lasting impression! Complete the look with a clutch.
Fit & Features
- Crepe fabric lined with stretchy knit
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Padded bra cups
- Lace inserts, mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8490
Category Name: Mermaid Dresses
Price: $9.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Carol Sleeveless Slit Mermaid Formal Dress
Special Occasion
Chic and sophisticated, the Carol mermaid formal dress brings the class to banquets and black-tie parties. The classic crepe fabric includes a full-length knit lining and offers moderate stretch. Adorned with a pleated square neckline that accentuates your curves, delicate spaghetti straps, and a sultry high front slit, this floor-length dress boasts a mermaid silhouette that will turn heads. Complete the look in sleek stiletto heels.
Fit & Features
- Crepe fabric with knit lining, moderate stretch
- Spaghetti straps
- Pleated square neckline
- Mermaid silhouette
- High front slit
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8502
Category Name: Mermaid Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Britt Sleeveless Mermaid Rhinestone Formal Dress
Special Occasion
You'll be an utterly dazzling sight in the Britt rhinestone formal dress at weddings, banquets, or galas! She features a square neckline, adjustable spaghetti straps, padded bra cups, and a stunning mermaid silhouette, this dress is designed for an elegant and sophisticated look. The rhinestone mesh fabric adds a touch of glamour, while the front slit and floor-length hem provide an alluring finish. Complete the look with a clutch.
Fit & Features
- Rhinestone embellished
- Mesh fabric line with stretchy knit
- Adjustable spaghetti straps
- Square neckline, padded bra cups
- Back zipper and hook-eye closure
- Front slit, mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8503
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Laylah Formal Lace-Up Back Mermaid Dress
Special Occasion
Make a chic arrival in the Laylah formal lace-up back mermaid dress, a perfect choice for weddings! She features a sleeveless V-neckline with a ruched surplice design, spaghetti straps, an alluring open back with a cross-back lace-up strappy design for a customized fit, a high waist seam, a floor-length hem with a high-cut side slit to showcase some leg, and a mermaid silhouette to highlight your figure. The crepe fabric offers a moderate stretch. Complete your formal look with rhinestone statement earrings to add a touch of glitz and glamour!
Fit & Features
- Sleeveless V-neckline, ruched surplice design
- Spaghetti straps, padded bust
- Open back, cross-back lace-up strappy design, tie closure
- High waist seam, floor-length hem, high-cut side slit, mermaid silhouette
- Crepe fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7882
Category Name: Mermaid Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lydia Halter Slit Mermaid Crepe Formal Dress
Special Occasion
You'll be a vision of perfection in the Lydia crepe formal dress as a chic wedding guest or gala! Crafted from luxurious crepe fabric, this dress will make you feel confident and refined on any formal occasion. She features a flattering square halter neckline and mermaid silhouette that hugs your curves while the high front slit and floor-length hem exude timeless elegance. Complete the look with earrings, a bracelet, and heels.
Fit & Features
- Crepe fabric, bust lining, moderate stretch
- Back zipper closure
- High front slit
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8512
Category Name: Mermaid Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Maisie Sweetheart Ruched Mermaid Formal Dress
Special Occasion
Chic and oh-so-elegant, the Maisie mermaid formal dress was destined to leave everyone in awe at black-tie parties and celebrations! With delicate spaghetti straps and a cross-sweetheart neckline, this dress effortlessly hugs your curves with ruched side seams. The mermaid silhouette and floor-length hem create a stunning and distinctive look, while the smooth knit fabric ensures comfort and style all night long. Complete the look with a glam clutch and jewelry for a divine evening out!
Fit & Features
- Smooth knit stretchy fabric
- Spaghetti straps, cross sweetheart neckline
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8506
Category Name: Mermaid Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Penelope Sweetheart Lace Panel Mermaid Formal Dress
Special Occasion
Showcase your inner bombshell in the curve-flaunting Penelope mermaid formal dress at banquets and weddings! Made from crepe fabric, this floor-length dress boasts a timeless and exclusive look. Her elegant sweetheart neckline and adjustable spaghetti straps accentuate your silhouette, while the sheer lace bust and side panels with nude-tone lining give the illusion of an hourglass figure along the mermaid silhouette and floor-length hem designed to elongate. Complete the look with chandelier earrings for a grand debut.
Fit & Features
- Crepe fabrication with moderate stretch
- Sheer lace bust and side panels with nude-tone lining
- Sweetheart neckline with padded bust
- Adjustable spaghetti straps
- Back zipper with hook and eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8508
Category Name: Mermaid Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Sweet Day Sleeveless Mermaid Denim Midi Dress
Look cute and casual wherever you go in this denim midi dress! Featuring spaghetti straps, a sweetheart neckline, a flattering mermaid silhouette, and a flared midi-length hem, this dress will have you looking and feeling amazing. Complete the look in strappy espadrille wedges.
Fit & Features
- Denim fabric, minimal stretch
- Spaghetti straps
- Sweetheart neckline
- Back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05102-5567
Category Name: Mermaid Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mayva Mermaid Rhinestone Faux Pearl Formal Dress
Special Occasion
The Mayva rhinestone faux pearl formal dress offers a lavishly perfect look for weddings, celebrations, or banquets! With a cowl neckline, adjustable spaghetti straps, and a mermaid silhouette, this floor-length dress will turn heads. Made with faux pearl rhinestone mesh knit fabric, it exudes luxury and sophistication.
Fit & Features
- Faux pearl rhinestone embellished, knit fabric, stretchy knit lining
- Adjustable spaghetti straps
- Cowl neckline
- Back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8513
Category Name: Mermaid Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Cadence Sleeveless Mermaid Glitter Formal Dress
Special Occasion
Elevate your night looking beautifully decadent in the Cadence glitter formal dress perfect for black tie galas or celebrations! Crafted from glitter knit fabric, this floor-length dress features a square neckline, tank shoulder straps, and a low square cut back. Its mermaid silhouette accentuates your curves, making it a perfect choice for formal events. Complete the look with earrings.
Fit & Features
- Glitter knit fabric, moderate stretch
- Square neckline
- Tank shoulder straps
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8515
Category Name: Mermaid Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Dallas V-Neck Halter Open Back Mermaid Formal Dress
Special Occasion
Arrive in sleek perfection in the Dallas mermaid formal dress as a striking bridesmaid or wedding guest! The halter V-neckline with tie closure exudes elegance, while the open back with adjustable strap adds a touch of sensuality. The mermaid silhouette and floor-length hem create a stunning silhouette, all made with a smooth knit-lined fabric. Complete the look with rhinestone jewelry for sparkle!
Fit & Features
- Smooth knit fabric lined with stretchy knit
- Halter V-neckline with tie closure
- Open back with adjustable strap
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8517
Category Name: Mermaid Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Nayeli Halter Slit Mermaid Glitter Formal Dress
Special Occasion
Shine like the stars in the sky in the Nayeli glitter formal dress at homecoming, banquets, or weddings! Made from sparkling glitter knit fabric, you'll catch all the attention. This exquisite dress features a halter neckline with a tie closure for a sophisticated touch. The high front slit and mermaid silhouette add a touch of drama, while the floor-length hem exudes elegance. Complete the look with earrings, a clutch, and heels.
Fit & Features
- Glitter knit fabric, moderate stretch
- Halter neckline with tie closure
- High front slit
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8516
Category Name: Mermaid Dresses
Price: $15.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Rachael Lace Up Mermaid Sequin Formal Dress
Special Occasion
You're sure to be a spellbinding sight to see in the Rachael sequin formal dress at galas or fancy soirees! The cowl neckline and spaghetti straps add a delicate touch to the mermaid silhouette, while the lace-up back ensures a perfect fit. Adorned with sequin embellished mesh fabric, the floor-length hem adds a touch of luxury to your formal look. Complete the look with earrings, a bracelet, and heels for divine glamour!
Fit & Features
- Sequin embellished mesh fabric lined with stretchy knit
- Spaghetti straps, cowl neckline
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8527
Category Name: Mermaid Dresses
Price: $9.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Emmie Lace-Up Mermaid Satin Formal Dress
Special Occasion
Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Stretchy satin-knit fabric, lined bust
- Spaghetti straps, V-neckline
- Lace-up back
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie galas, weddings, bridesmaids, formal parties, and red-carpet events.
Style Number/Barcode: 05002-8526
Category Name: Mermaid Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Liv Cowl Neck Abstract Mermaid Formal Dress
Special Occasion
You'll look prettier than any sunset in the Liv abstract mermaid formal dress - a stunning option for banquets or outdoor soirees! With a cowl neckline, adjustable spaghetti straps, built-in padded underwire bust, this dress supports and flatters. The curve-hugging side ruched seams create a flattering mermaid silhouette while the floor-length hem offers a graceful finish. Complete the look with a clutch.
Fit & Features
- Abstract print, mesh fabric, stretchy knit lining
- Adjustable spaghetti straps
- Cowl neckline
- Back zipper and hook-eye closure
- Built-in padded underwire bust
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8531
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Amy V-Neck Mesh Mermaid Crepe Formal Dress
Special Occasion
You'll be a vision of rare beauty in the Amy mermaid formal dress at black tie parties and weddings! Her stunning V-neckline, adjustable spaghetti straps, and mermaid silhouette create a flattering and elegant look. The dual-side sheer mesh panels add a touch of sophistication while the floor-length hem and polished crepe fabric provide a timeless and luxurious feel. Complete the look with statement earrings and a clutch purse!
Fit & Features
- Crepe fabric, bust lining, minimal stretch
- Dual side sheer mesh panels
- Adjustable spaghetti straps
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8539
Category Name: Mermaid Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Estelle Lace-Up Abstract Mermaid Formal Dress
Special Occasion
Get ready to be a perfect vision in the decadent Estelle mermaid formal dress at weddings, banquets, or fancy parties! The square neckline, padded bra cups, and shoulder straps add support and flatter, while the open lace-up back adds a daring element. The mermaid silhouette and floor-length hem create a flattering silhouette, and the abstract print mesh fabric adds a unique touch. Complete the look with fringe earrings and heels.
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
- Abstract print, mesh fabric lined with stretchy knit
- Square neckline, shoulder straps
- Padded bra cups
- Open lace-up back
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8545
Category Name: Mermaid Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Melonie Corset Ruffled Mermaid Floral Formal Dress
Special Occasion
Arrive looking blissfully chic and dreamy in the Melonie floral formal dress as a gorgeous bridesmaid, wedding guest, or attending a garden party! Her sleeveless sweetheart neckline, shoulder straps, and padded bra cups provide a flattering fit. The flexible boning and mermaid silhouette accentuate your curves, while the ruffled floor-length hem adds an elegant touch. Complete the look with dainty earrings and high heels.
Fit & Features
- Floral print, mesh fabric, sewn-in knit lining, moderate stretch
- Sweetheart neckline
- Shoulder straps
- Padded bra cups
- Flexible boning
- Ruffled mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8548
Category Name: Mermaid Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sunshine And Good Time V-Neck Mermaid Maxi Dress
This mermaid maxi dress is here for sunshine and good times! Made from textured mesh fabric, this dress will have you feeling so cute. Features a flattering V-neckline, dual spaghetti straps, a crisscross back, and a bust cutout. The mermaid silhouette and high front slit accentuate your curves, while the maxi-length hem adds a touch of chicness. Complete the look with sandals and sunglasses!
Fit & Features
- Textured mesh fabric, stretchy knit lining
- Dual spaghetti straps
- V-neckline
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05102-5690
Category Name: Mermaid Dresses
Price: $19.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Out Of Office One Shoulder Tropical Maxi Dress
This tropical maxi dress says it's time for vacation! Switch your email to out of office and enjoy a sunny destination in this sleeveless dress featuring a one-shoulder neckline adorned with a knotted shoulder strap, a flattering mermaid silhouette, and a maxi-length hem. Complete the look with sunglasses and a cocktail in hand!
Fit & Features
- Tropical palm leaf print, stretchy knit fabric
- One-shoulder neckline
- Knotted shoulder strap
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05102-5695
Category Name: Mermaid Dresses
Price: $9.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Abbie Off-The-Shoulder Mermaid Ombre Formal Dress
Special Occasion
Turn heads with your significant allure in the Abbie ombre formal dress perfect for weddings or banquets! Made of ombre mesh fabric, this dress is a true work of art. Its off-the-shoulder neckline and side ruched seams flatter your figure, while the mermaid silhouette and floor-length hem give a sophisticated touch. Complete the look with sparkly rhinestone earrings, a clutch, and heels!
Fit & Features
- Ombre print mesh fabric, stretchy soft knit lining
- Off-the-shoulder neckline
- Back zipper and hook-eye closure
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8567
Category Name: Mermaid Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sam Strappy Open Back Glitter Mermaid Dress
Special Occasion
Sparkle under the light in the Sam glitter formal dress destined to be prettiest at any party or event! Crafted with airy sheer glitter mesh fabric with a full-length knit lining, the floor-length dress features a stunning strappy open back to turn heads and a form-hugging mermaid silhouette to highlight your curves.
Fit & Features
- Sheer glitter mesh fabric, full-length knit lining, plenty of stretch
- V-neckline with padded bust
- Adjustable spaghetti straps, open cross-back design
- Princess seams
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8561
Category Name: Mermaid Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free