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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Aspen Sweetheart Lace Crepe Mermaid Formal Dress
Special Occasion
This crepe formal dress features a flattering sweetheart neckline with a built-in padded underwire bust, a lace trim bodice, and a stunning mermaid floor-length silhouette. Perfect for styling with a necklace.
Fit & Features
- Crepe fabric, bust lining, minimal stretch
- Sweetheart neckline, built-in padded underwire bust
- Shoulder straps
- Back zipper and hook-eye closure
- Lace trim bodice
- Mermaid floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8647
Category Name: Mermaid Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Everley Lace-Up Slit Mermaid Crepe Formal Dress
Special Occasion
A sleeveless crepe formal dress boasts a square neckline, striking lace-up back, and a high front slit to show some skin along the mermaid silhouette. Style with a necklace for any formal event.
Fit & Features
- Crepe fabric, bust knit lining, moderate stretch
- Square neckline
- Shoulder straps
- Lace-up back, lower zipper and hook-eye closure
- Front slit
- Mermaid floor-length fit
- Runs true to size
Style Number/Barcode: 05002-8650
Category Name: Mermaid Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Esther One-Shoulder Mermaid Mesh Formal Dress
Special Occasion
A one-shoulder formal dress features sheer fitted long sleeves and a ruched mermaid silhouette that accentuates your curves. Perfect for homecoming or a banquet.
Fit & Features
- Mesh fabric lined with stretchy knit
- One-shoulder neckline
- Sheer fitted long sleeves
- Ruched mermaid floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8658
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
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Angela Mock Neck High Slit Mermaid Dress
Special Occasion
Capture sophistication in the Angela floor-length formal dress at galas and weddings. The formal dress is designed with a sleek mock neckline, a high front slit to show some skin and a mermaid silhouette that flaunts your figure.
Fit & Features
- Lined smooth knit fabric with plenty of stretch
- Mock neckline, tank straps
- Dual back button closures, keyhole cutout
- Ruched waist, high waist seam
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8660
Category Name: Mermaid Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Luisa Pearl Fringe Trim Velvet Corset Mermaid Dress
Special Occasion
The Luisa formal mermaid dress is an iconic choice for your black-tie affair, designed with smooth velvet fabric with a glam faux pearl and beaded fringe trim at the strapless neckline. The long dress features a corset-style bodice with flexible boning and an angled high waist seam, a secure back zipper closure, and a floor-sweeping mermaid silhouette to showcase your gorgeous curves.
This dress is all about confidence. Want more ways to stand out? Shop our sleek black prom dresses or find a celebration-ready look in our wedding guest dresses.
Fit & Features
- Velvet fabric with knit lining at the top, plenty of stretch
- Strapless neckline with no-slip strip
- Tonal faux pearl and beaded fringe trim
- Corset bodice with flexible boning, angled high waist seam
- Back zipper with hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8661
Category Name: Mermaid Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lyra Velvet One-Shoulder Rhinestone Cuff Mermaid Dress
Special Occasion
Radiate luxe glamour in the Lyra mermaid dress designed with smooth velvet fabric perfect for a formal holiday soiree. It features a one-shoulder neckline, a long fitted sleeve with a glitzy rhinestone-embellished cuff, ruched seams to accentuate your stunning curves, and a floor-length mermaid silhouette accented with a high-cut front slit.
Fit & Features
- Velvet fabric with knit lining, moderate stretch
- One-shoulder neckline
- Long fitted sleeve with rhinestone embellished cuff, slit with dual rhinestone buttons
- Back zipper with hook-eye closure
- Ruched seams
- High front slit, floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8665
Category Name: Mermaid Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
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Brynn Long Sleeve Glitter Cutout Mermaid Dress
Special Occasion
The long glitter knit dress features a high boat neckline, fitted long sleeves, a bold waist cutout, ruching, a high side slit, and a mermaid silhouette. Complete the formal outfit with a rhinestone clutch.
Fit & Features
- Glitter knit fabrication
- Boat neckline
- Fitted long sleeves
- Waist cutout
- Ruching
- High side slit
- Long hem length
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8664
Category Name: Mermaid Dresses
Price: $9.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Seraphina Velvet And Mesh Long Sleeve Mermaid Dress
Special Occasion
Bring elegance in a long mermaid dress that features a mock neck, a sheer mesh bodice with a lined velvet bust, and a floor-length-velvet silhouette accented with a high-side slit. Complete your formal outfit with a rhinestone clutch.
Fit & Features
- Mesh and velvet fabrication, stretchy knit lining
- Mock neck, padded bra cups
- Sheer mesh bodice, lined velvet bust
- Back zipper closure
- High side slit
- Mermaid silhouette, long length hem
- Runs true to size
Style Number/Barcode: 05002-8667
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Katherine Halter Open Back Mermaid Formal Dress
Special Occasion
Step out in the sultry and sensational Katherine mermaid formal dress for black tie parties and formal events! Crafted from a smooth knit lined fabric, this dress offers both comfort and chic style. She features a plunge halter cowl neckline with a bar strap accent, spaghetti strap tie, and a revealing strappy open back to show skin. Her form-flattering mermaid silhouette effortlessly gives you an hourglass appearance while the floor-length hem adds a hint of drama. Complete the look with earrings.
Fit & Features
- Smooth knit lined fabric, moderate stretch
- Halter plunge cowl neckline, bar strap accent
- Spagehtti strap tie
- Open strappy back
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8672
Category Name: Mermaid Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Anna Lace-Up Lace Satin Mermaid Formal Dress
Special Occasion
A sleeveless formal dress features a sultry V-neckline, a lace-up back that turns heads, and a mermaid floor-length silhouette with a high front ruffled slit. Perfect for homecoming, banquets, or galas.
Make a statement in this stunning dress. Love bold details? Explore our playful ruffle prom dresses or find a sleek look in our formal dresses.
Fit & Features
- Lace/satin fabric, short knit stretchy lining
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- High front ruffled slit
- Mermaid floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8671
Category Name: Mermaid Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Elliot Rhinestone And Pearl Mesh Mermaid Dress
Special Occasion
Exude glamour and luxe energy in the Elliot formal dress crafted with lined mesh fabric with chic tonal rhinestone and faux pearl embellishments. It features a sleeveless cowl neckline, adjustable spaghetti straps for a customized fit, and a floor-sweeping mermaid silhouette to flaunt your stunning curves.
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
- Sheer mesh fabric with knit lining
- Tonal rhinestone and faux pearl embellishments
- Cowl neckline
- Adjustable spaghetti straps
- Back zipper closure
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8679
Category Name: Mermaid Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free
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Torrie Velvet Rhinestone High-Slit Mermaid Dress
Special Occasion
The long formal velvet dress features a sleeveless plunging v-neckline accented with rhinestone trim, cold shoulder strap accents, adjustable spaghetti straps, and a mermaid silhouette accented with a high-side slit.
Fit & Features
- Lined velvet fabrication
- Plunging v-neckline with rhinestone trim and wired insert
- Cold shoulder strap accents
- Adjustable spaghetti straps, back zipper and hook-eye closure
- High side slit
- Long hem length, mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8686
Category Name: Mermaid Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kay Sleeveless V-Neck Mermaid Mesh Formal Dress
Special Occasion
For an elegant look that always fits the dress code, the Kay sleeveless formal dress is just the one you want for black tie soirees or weddings! Crafted from an airy mesh fabric offering a stretchy knit lining for comfort and coverage. She features a flattering V-neckline, padded bra cups, and adjustable spaghetti straps. The side ruched seams and mermaid silhouette create a stunning hourglass figure, while the floor-length hem adds a touch of drama. Complete the look with earrings and a clutch.
Fit & Features
- Airy mesh fabric lined with stretchy knit
- Adjustable spaghetti straps
- V-neckline
- Padded bra cups
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8687
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Meg Sweetheart Mermaid Lace Mesh Formal Dress
Special Occasion
Fall in love with the Meg lace mesh formal dress on your big day or attending a black tie party. Featuring a flattering sweetheart neckline and adjustable spaghetti straps, this dress offers a sensual and elegant appeal. The mesh-lined padded bra cups and sides add support and enhance your figure, while the breathtaking mermaid silhouette and floor-length hem exude sophistication. Complete the look with earrings.
Fit & Features
- Lace fabric lined with stretchy knit
- Sweetheart neckline
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Mesh-lined padded bra cups and sides
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8700
Category Name: Mermaid Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lilliana Cowl Neck Knit Mermaid Dress
Special Occasion
Radiate beauty at your next formal affair in the chic Lilliana formal mermaid dress! Designed with a stretchy knit fabric with a full-length knit lining, she features a sleeveless cowl neckline, adjustable spaghetti straps to find your perfect customized fit, ruched seams at the bodice, and a floor-sweeping hem with a curve-hugging mermaid silhouette. Complete the look with sleek hoops and strappy stilettos.
Fit & Features
- Stretchy lined knit fabric
- Cowl neckline
- Adjustable spaghetti straps
- Ruched side seams
- Mermaid fit
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-8714
Category Name: Mermaid Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Enticing Sultry Off-The-Shoulder Mermaid Midi Dress
A sultry off-the-shoulder midi dress features a contrast folded neckline and flattering mermaid silhouette with a flared midi-length hem. The ponte knit fabric offers the perfect amount of stretch.
Fit & Features
- Ponte knit fabric, minimal stretch
- Off-the-shoulder contrast folded neckline
- Back zipper and hook-eye closure
- Mermaid silhouette
- Flared midi-length hem
- Runs true to size
Style Number/Barcode: 05101-3523
Category Name: Mermaid Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Brinley Lace Chiffon Asymmetric Mermaid Dress
Special Occasion
Showcase chic elegance in the Brinley formal mermaid dress crafted with airy sheer chiffon and dainty lace fabrics for an ethereal vibe with a knit lining for coverage. It features a sleeveless ruched sweetheart neckline followed by ruched side panels down the sides, adjustable spaghetti straps for a customized fit, and a floor-length asymmetric mermaid silhouette with a tiered ruffled chiffon hem.
Make a statement in this stunning dress. Love bold details? Explore our playful ruffle prom dresses or find a sleek look in our formal dresses.
Fit & Features
- Sheer chiffon and lace fabrics with knit lining, minimal stretch
- Ruched sweetheart neckline
- Ruched side panels
- Adjustable spaghetti straps
- Back zipper with hook-eye closure
- Floor-length asymmetric mermaid silhouette, tiered ruffled chiffon hem
- Runs true to size
Style Number/Barcode: 05002-8715
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Veronica Glitter Velvet Mermaid Dress
Special Occasion
Shimmer in the elegant Veronica velvet formal dress at black tie parties and celebrations. The formal dress is designed with a structured sweetheart neckline and a striking mermaid floor-length silhouette. Pair with earrings and heels.
Fit & Features
- Glitter velvet fabric with knit lining, moderate stretch
- Sweetheart neckline, structured and padded bust
- Tank shoulder straps
- Back hook and bar closure, lower back cutout, zipper with hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8717
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Briella Glitter Lace Cross-Back Mermaid Dress
Special Occasion
Serve gorgeous glamour at your black-tie affair in the Briella formal dress designed with a glitter lace fabric for a stunning shimmer. It features a sleeveless V-neckline with a padded bust for support, dual spaghetti straps that lead to an alluring open back with a cross-back strappy design, lower back ruching, and a floor-sweeping mermaid silhouette to highlight your curves.
Fit & Features
- Glitter lace fabric with lining
- V-neckline with padded bust
- Dual spaghetti straps
- Open back, cross-back strappy design
- High waist seam, lower back ruching
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8725
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lylah Lace Cowl Neck Mermaid Dress
Special Occasion
Showcase your beauty in the Lylah formal dress designed with a dainty floral lace fabric with a full lining. It features a sleeveless sweetheart neckline with a structured padded bust, a draped cowl neck overlay for a feminine touch, adjustable spaghetti straps for a customized fit, and a floor-length mermaid silhouette to highlight your curves.
Fit & Features
- Sheer floral lace fabric with knit lining, moderate stretch
- Sweetheart neckline, structured padded bust, draped cowl neck overlay
- Adjustable spaghetti straps
- High waist seam
- Back zipper with hook-eye closure, lower back ruching
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8905
Category Name: Mermaid Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Esme Glitter Lace Strappy Back Mermaid Dress
Special Occasion
Sparkle up your black-tie affair in the Esme formal dress designed with glitter lace fabric for a gorgeous shimmer. It features a sleeveless square neckline, dual spaghetti straps that lead to an open back with a lace-up strappy design, and a floor-sweeping mermaid silhouette to show off your curves.
Fit & Features
- Glitter lace fabric with lining
- Square neckline, padded bra cups
- Dual spaghetti straps, adjustable
- Open back, cross-back lace-up strappy design
- High waist seam
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8735
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Eva Lace-Up High-Low Ruffle Mermaid Formal Dress
Special Occasion
A sleeveless glitter formal dress boasts a sultry V-neckline and spaghetti straps that shape the lace-up back, a mermaid silhouette, and a high-low ruffled hem. Perfect for the school dance or a black tie event.
Fit & Features
- Glitter fabric, stretchy knit lining
- V-neckline, padded bra cups
- Spaghetti straps
- Lace-up back, lower zipper and hook-eye closure
- Mermaid fit
- High-low ruffled hem
- Runs true to size
Style Number/Barcode: 05002-8733
Category Name: Mermaid Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Alanna Ruffled Lace Corset Mermaid Dress
Special Occasion
Showcase your romantic flair in the Alanna formal mermaid dress that features a sleeveless sweetheart neckline with a built-in padded bust, a chic corset bodice, and adjustable spaghetti straps detailed with cascading ruffled accents. The floor-length mermaid silhouette will hug your stunning curves. Complete your look with dainty duster earrings.
This dress is all about movement and flair. Want more standout designs? Discover our eye-catching ruffle prom dresses or embrace an elevated style with our guest dresses.
Fit & Features
- Sheer floral lace fabric with knit lining, moderate stretch
- Sweetheart neckline with padded bust, no-slip strip
- Corset bodice, angled high waist seam
- Back zipper with hook-eye closure
- Adjustable spaghetti straps, ruffled accents
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8737
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Gemma Sequin Embroidered Lace-Up Mermaid Dress
Special Occasion
The Gemma sequin floral embroidered formal dress will make jaws drop. The dress boasts a corset bodice leading to the lace-up strappy back while the ruched side seams accentuate your curves along the mermaid silhouette. Pair with heels.
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
- Lined knit fabric, plenty of stretch
- Sheer mesh bodice with floral embroidery, sequin accents
- V-neckline with padded bust, corset bodice with flexible boning
- Spaghetti straps, open back with cross-back lace-up strappy design
- High waist seam, lower back zipper with hook-eye closure
- Ruched side and back seams
- Floor-length mermaid silhouette, high front slit
- Runs true to size
Style Number/Barcode: 05002-8732
Category Name: Mermaid Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free