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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Raven Off-Shoulder Cutout Mermaid Formal Dress
Special Occasion
Exude sophistication in the Raven off-shoulder formal dress to make a stunning entrance. Crafted from a smooth knit fabrication, the floor-length dress boasts a head-turning open-back design with a twist accent and a mermaid silhouette that hugs your curves like a glove.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Off-shoulder neckline
- Open back with twist accent
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, galas, black tie events, charity dinners, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-9550
Category Name: Mermaid Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Diane Lace-Up Slit Mermaid Glitter Formal Dress
Special Occasion
Shimmer like a beauty in the Diane glitter formal dress designed to impress with a lace-up back and high front slit for effortless movement.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Cowl square neckline, padded bra cups
- Spaghetti straps
- Lace-up back
- Front ruched seam and high slit
- Mermaid silhouette, floor-length hem
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, fancy birthdays, and red-carpet events.
Style Number/Barcode: 05002-9534
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: RED, PINK
Available Size: L, XS, S, M
Product Badge:- Ships Free
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Artemis Open Back Mermaid Sequin Formal Dress
Special Occasion
The Artemis sequin formal dress will have you feeling your most elegant! Designed with a sultry open strappy back that turns heads and a curve-flaunting mermaid silhouette.
Fit & Features
- Sequin embellished mesh-lined fabric
- Scoop neckline, adjustable spaghetti straps
- Sheer bodice design, flexible boning inserts
- Open strappy back, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, red-carpet functions, charity balls, glam parties, upscale soirees
Style Number/Barcode: 05002-9544
Category Name: Mermaid Dresses
Price: $19.97 $139.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Blakely Off-The-Shoulder Mermaid Lace Formal Dress
Special Occasion
The Blakely lace formal dress is perhaps the most romantic dress on the scene! Designed to capture attention, this dress showcases an off-the-shoulder neckline with sheer long sleeves and a flattering mermaid silhouette.
Fit & Features
- Lace fabric, stretchy knit lining
- Off-the-shoulder neckline
- Sheer fitted long sleeves with flare cuffs
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Brides, weddings, elopements, courthouse weddings, engagement parties, photoshoots, rehearsal dinners, black-tie parties, honeymoons, vacations, anniversaries
Style Number/Barcode: 05002-001872
Category Name: Mermaid Dresses
Price: $69.90
Availability: In Stock
Available Color: BROWN-2
Available Size: XS, S, M, L, XL
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Acacia Glitter Knit Cowl Neck Mermaid Dress
Special Occasion
Chic with an elegant sparkle, the Acacia glitter knit mermaid dress is a stunning choice for your black-tie affairs. The pleated cowl neck overlay adds a stylish touch to the classic sweetheart neckline.
Fit & Features
- Glitter knit fabric with knit lining, moderate stretch
- Sweetheart neckline with padded bust, pleated cowl neck overlay
- Adjustable spaghetti straps
- High waist seam
- Floor-length mermaid silhouette
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Black-tie weddings, galas, and red-carpet events.
Style Number/Barcode: 05002-9569
Category Name: Mermaid Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Zooey Open Back Mermaid Formal Dress
Special Occasion
Chic and gorgeous, the Zooey formal dress is designed to make heads turns with a revealing open back, curve-hugging mermaid silhouette, and a high front slit for effortless sultriness!
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Sweetheart neckline, padded bra cups, ruched bust seam
- Wide shoulder straps
- Open back, lower half hoop insert
- Side and back ruched seams
- Mermaid silhouette, high front slit, floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, black tie functions, fancy date nights, galas, big milestone celebrations
Style Number/Barcode: 05002-001318
Category Name: Mermaid Dresses
Price: $49.90
Availability: In Stock
Available Color: SAGE, BROWN
Available Size: XS, S, M, L
Product Badge:- Back In Stock
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Lora Sequin Lace-Up Mermaid Dress
Special Occasion
Radiate a gorgeous sheen in the Lora mermaid dress crafted with glitzy sequin embroidery. The open lace-up back and high front slit are alluring details that will turn heads.
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 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, birthday celebrations, and formal events.
Style Number/Barcode: 05002-9578
Category Name: Mermaid Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tatiana Lace-Up Mermaid Glitter Formal Dress
Special Occasion
Sparkle from head to toe in the Tatiana glitter floor-length formal dress designed with an intricate lace-up back and a curve-flaunting mermaid silhouette that steals the show!
Fit & Features
- Glitter fabric lined with stretchy knit
- Sweetheart halter neckline, padded bra cups
- Lace-up back design
- Ruched side seams
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, romantic date nights, glam dinner parties, weddings
Style Number/Barcode: 05002-9572
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK
Available Size: S
Product Badge:- Ships Free
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Betsey Lace-Up Mermaid Sequin Bead Formal Dress
Special Occasion
Iridescent sequins sparkle and delicate beading adorns the Betsey formal dress. Steal the scene with the lace-up back that turns heads and flattering mermaid silhouette made to flaunt your figure.
Fit & Features
- Iridescent sequins, beading, mesh fabric, stretchy knit lining
- Scoop neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, upscale birthday events, red-carpet parties, glam functions and events, fancy date nights
Style Number/Barcode: 05002-9576
Category Name: Mermaid Dresses
Price: $69.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Cesca Corset Slit Mesh Formal Dress
Special Occasion
The gorgeous Cesca mesh formal dress sculpts and accentuates your curves with a corset bodice and mermaid silhouette that effortlessly flares out into a dramatic slit floor-length hem!
Fit & Features
- Mesh fabric, short knit stretchy lining
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Corset bodice, flexible boning, back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, bonded floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, dinner parties, big birthday events, fancy celebrations, spring cocktail parties
Style Number/Barcode: 05002-9577
Category Name: Mermaid Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Nadia Lace-Up Mermaid Formal Dress
Special Occasion
From the open lace-up back to the mermaid silhouette, the Nadia formal dress beautifully showcases your figure!
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Cowl neckline, padded bra cups
- Wide shoulder straps
- Lace-up open back, lower zipper and hook-eye closure
- Side ruched seams, mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black-tie galas, charity dinners, engagement parties, fancy milestone parties, nights at the opera and theatre
Style Number/Barcode: 05002-9580
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Cheryl Strapless Slit Mermaid Formal Dress
Special Occasion
Classy yet modern, the Cheryl strapless formal dress is the epitome of chic with a high slit for movement and a mermaid silhouette that accentuates your figure!
Fit & Features
- Smooth knit fabric lined with stretchy knit
- Strapless neckline, padded bra cups
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie galas, weddings, formal celebrations, garden parties, cocktail soirees, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-000110
Category Name: Mermaid Dresses
Price: $59.90
Availability: In Stock
Available Color: YELLOW, NAVY, PINK, BLACK, PLUM, CHARTREUSE
Available Size: M, L, XS, S, XL
Product Badge:- Back In Stock
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Sophina Cold Shoulder Pearl Beaded Sequin Formal Dress
Special Occasion
The most glamorous event calls for the Sophina formal dress decorated with faux pearls, beading, and sequin embellishments along the figure-flaunting mermaid silhouette.
Fit & Features
- Faux pearls, beading, sequin embellishments
- Mesh lined fabric with stretchy knit
- Cold shoulder neckline, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie galas, red-carpet events, black tie weddings, fancy soirees
Style Number/Barcode: 05002-9592
Category Name: Mermaid Dresses
Price: $89.97 $189.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Elaine Open Back High Slit Mermaid Dress
Special Occasion
Create a chic and stunning look for your black-tie parties in the Elaine mermaid dress designed with a bold open back and an alluring high-cut slit.
Fit & Features
- Crepe fabric with moderate stretch
- Pleated cowl neckline
- Tank-like shoulder straps
- Open back, bar strap, lower zipper closure
- Pleating, high-cut slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie parties, and fancy affairs.
Style Number/Barcode: 05002-9604
Category Name: Mermaid Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Gorgeous Look Floral Mesh Maxi Dress
Showcase a gorgeous look perf for dressy birthday parties in this floral mesh maxi dress. The long mermaid silhouette will flaunt your stunning curves as you pose for pics.
Fit & Features
- Sheer mesh fabric with full-length knit lining, high stretch
- Large floral print
- Sleeveless sweetheart neckline, padded bust
- Adjustable spaghetti straps
- Partially open back
- Maxi-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05101-4106
Category Name: Mermaid Dresses
Price: $10.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Rosie Lace-Up Slit Mermaid Sequin Formal Dress
Special Occasion
Radiate sparkling glamour in the Rosie mermaid sequin formal dress destined to shine with a lace-up back that turns heads and a flirtascious front slit for effortless movement.
This dreamy dress is pure elegance and sure to leave a lasting impression. Looking for more? Elevate your look with a stunning pink prom dresses or a captivating formal dress.
Fit & Features
- Sequin embellished pattern, mesh fabric lined with stretchy knit
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, glam functions and events, milestone celebrations, black tie soirees
Style Number/Barcode: 05002-9627
Category Name: Mermaid Dresses
Price: $15.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Serve Sultry Vibes Halter Cowl Neck Maxi Dress
Serve sultry vibes only in this sleek knit maxi dress at your next rooftop party. The halter cowl neckline, alluring open back, and curve-hugging mermaid silhouette will steal all the glances.
Fit & Features
- Slinky knit fabric, knit lining, high stretch
- Sleeveless cowl neckline, halter strap
- Open back
- Ruching
- Maxi-length hem
- Curve-hugging mermaid silhouette
- Runs true to size
Style Number/Barcode: 05101-4110
Category Name: Mermaid Dresses
Price: $9.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Loren Pearl Corset Slit Satin Formal Dress
Special Occasion
From the faux pearl embellishments to the silky satin construction, the Loren formal dress beautifully elevates your evening out! Attract attention with the waist-cinching corset bodice and mermaid silhouette that offers a show of leg with the high front slit.
Fit & Features
- Stretch satin fabric, bust knit lining
- Strapless cowl neckline, faux pearl embellished
- Back zipper and hook-eye closure
- Corset bodice, flexible boning
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black tie galas, fancy date nights, engagement parties, big birthday events, glam functions, cocktail dinners
Style Number/Barcode: 05002-9619
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Nastassia Off-The-Shoulder Mermaid Glitter Formal Dress
Special Occasion
Luxuriously crafted from a glitter knit fabric, the Nastassia formal dress exudes elegance with an off-the-shoulder neckline and mermaid silhouette!
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Folded off-the-shoulder neckline
- Mermaid silhouette
- Floor-length hem
- Runs true to size
- Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, black tie weddings, galas, red-carpet events, fancy dinner parties, award ceremonies
Style Number/Barcode: 05002-9638
Category Name: Mermaid Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Grace Off-The-Shoulder Wrap Mermaid Formal Dress
Special Occasion
A perfect blend of sophistication and allure! The Grace off-the-shoulder formal dress will make you look and feel your best with a curve-hugging mermaid silhouette flaunting a sultry wrap slit.
Fit & Features
- Smooth knit-lined fabric
- Off-the-shoulder neckline, padded bra cups
- Back zipper and hook-eye closure
- Wrap slit front design
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie weddings, fancy functions and soirees
Style Number/Barcode: 05002-9644
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Nicollet Lace-Up Mermaid Floral Formal Dress
Special Occasion
The Nicollet formal dress exudes feminine glamour with a floral design on a curve-hugging mermaid silhouette finished with a lace-up back to turn heads!
Fit & Features
- Floral design accents, mesh fabric lined with stretch knit
- Sweetheart neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, garden parties, dressed up birthdays, fancy date nights
Style Number/Barcode: 05002-9645
Category Name: Mermaid Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Judy Open Back Slit Mermaid Satin Formal Dress
Special Occasion
Get ready for gram-worthy pics in the Judy satin formal dress all night! Boasting an open cross-back strappy design that turns heads and a mermaid silhouette with a high slit that perfectly flaunts 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
- Stretch satin fabric with full-length knit lining
- Sleeveless halter plunge V-neckline, padded bust
- Open back with cross-back strappy design, lower back zipper with hook-eye closure
- Pleated waist
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Bridal celebrations, black-tie parties, weddings, and red-carpet events, rehearsal dinners, engagement parties, formal celebrations
Style Number/Barcode: 05002-9690
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK, ROYAL, PINK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Fabienne Open Back Slit Mermaid Formal Dress
Special Occasion
Effortlessly command attention in the Fabienne mermaid formal dress designed with a sultry open back and a high front slit that flaunts your heels of the night!
Fit & Features
- Smooth knit fabric lined with stretchy knit
- Cowl neckline
- Dual twisted spaghetti strap detailing
- Open back
- High front slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, formal events, black tie occasions, fancy date nights, weddings
Style Number/Barcode: 05002-9674
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Maribelle Corset Floral Mermaid Formal Dress
Special Occasion
Elegance is effortless with the Maribelle floral formal dress, designed with a waist-cinching corset bodice and a flattering mermaid silhouette.
Fit & Features
- Floral print, mesh fabric, stretchy knit lining
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- Corset bodice, flexible boning, pleated
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, garden parties, shower celebrations, graduations, afternoon tea parties
Style Number/Barcode: 05002-9668
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale