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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Summer Formal Lace-Up Mermaid Dress
Special Occasion
Lace-up in the Summer formal mermaid dress that will bring the elegance to your evening! Summer features a sleeveless V-neckline, a double row of spaghetti straps that lead to a bold lace-up back for a customized fit, and a floor-length, fitted mermaid silhouette accented with a high side slit to show some leg. The dress is composed of a satin knit fabric that offers a form-hugging fit. Complete the look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless V-neckline, double-row of spaghetti straps
- Adhesive bra recommended
- Lace-up back design, tie closure
- High side slit
- Empire waist
- Floor-length mermaid silhouette
- Satin knit fabric, moderate stretch, form-hugging fit
- Runs true to size
Style Number/Barcode: 05002-1591
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Rosalia Formal Lace Mermaid Dress
Special Occasion
Create a head-turning moment with a formal lace dress that brings elegant details to your evening. The dress features a sleeveless V-neckline, tank-like shoulder straps, unlined floral appliques at the waist, and a mermaid silhouette. The dress is composed of a lace fabric that offers a form hugging fit. Complete look with glitter heels and statement earrings.
Fit & Features
- Sleeveless V-neckline, padded cups
- Tank-like shoulder straps
- Unlined floral appliques at waist
- Mermaid silhouette
- Glitter lace fabric
- Form hugging fit
- Runs true to size
Style Number/Barcode: 05002-1593
Category Name: Mermaid Dresses
Price: $14.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Autumn Sequin Mesh Mermaid Dress
Special Occasion
Gorgeous and glam, the eye-catching Autumn sequin mesh formal dress will have you as the center of attention! She features a sleeveless one-shoulder neckline, a partially open back with a thin strappy design, a lower back cutout, and a floor-length, fitted mermaid silhouette with a sexy thigh-high front slit. Style this dress with rhinestone statement earrings and chic heels.
Fit & Features
- Sleeveless one-shoulder neckline
- Padded cups
- Partially open back, thin strappy design
- Lower back cutout
- Floor-length mermaid silhouette, high front slit
- Sequin adorned mesh fabric
- Runs true to size
Style Number/Barcode: 05002-1616
Category Name: Mermaid Dresses
Price: $31.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Jasmine One-Shoulder Sequin Mermaid Dress
Special Occasion
Create an elegant and timeless look in the chic Jasmine sequin formal prom dress. She features a sleeveless one-shoulder neckline with dual adjustable spaghetti straps, a flattering high waist, and a floor-length fitted mermaid silhouette. The sheer mesh fabric includes a full knit lining and all-over sequin embroidery in a stunning vintage-inspired scroll pattern. Complete your prom outfit with sleek stiletto heels.
Fit & Features
- One-shoulder neckline, dual adjustable spaghetti straps
- Adhesive bra recommended
- Back zipper closure, empire waist
- Floor-length hem, mermaid silhouette
- Sequin embroidery
- Mesh-knit lined fabric
- Runs true to size, moderate stretch
Style Number/Barcode: 05002-1626
Category Name: Mermaid Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Norvina Sequin Scroll One-Shoulder Mermaid Formal Dress
Special Occasion
Reign in the night in the showstopping Norvina formal dress! She features a glistening sequin scroll pattern on a one-shoulder, spaghetti strap design that shapes a fitted bodice. Her maid silhouette accentuates every figure on the floor-length hem. The dress is composed of a mesh-knit lined fabric with a moderate stretch and back zipper closure. Complete your dazzling look with chic earrings.
Fit & Features
- One-shoulder, adjustable spaghetti straps
- Fitted bodice, mermaid silhouette
- Sequin-scroll pattern, zipper closure
- Maxi-length hem
- Mesh-knit lined fabric
- Moderate stretch
- Fits true to size
Style Number/Barcode: 05002-1627
Category Name: Mermaid Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Daphne Formal Ruffled Mermaid Dress
Special Occasion
Bring the romance with a frilly ruffled dress that is perfect for weddings and engagement shoots! Daphne features an off-the-shoulder neckline, a sweetheart bust with ruffled overlay, sleek vertical seams, and a flared mermaid silhouette. The dress offers a form-hugging fit. Complete look with neutral heels and a rhinestone cuff.
Fit & Features
- Off the shoulder neckline
- Sweetheart bust, ruffled overlay
- Vertical seams
- Flared mermaid silhouette
- Form hugging fit, moderate stretch
- Crepe fabric
- Runs true to size
Style Number/Barcode: 05002-1654
Category Name: Mermaid Dresses
Price: $9.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Milena Formal Off The Shoulder Mermaid Dress
Special Occasion
Radiate elegance with a formal dress that truly captivates. Milena features an off-the-shoulder neckline, a pleated taffeta accent at the bodice, and a curve-hugging mermaid silhouette. The dress is composed of a lined crepe fabric that offers a form hugging fit with a moderate stretch. Complete look with a rhinestone bracelet and heels.
Fit & Features
- Off the shoulder neckline, no-slip strip
- Pleated taffeta accent, padded cups, flexible boning
- Mermaid silhouette
- Lined crepe fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1653
Category Name: Mermaid Dresses
Price: $9.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Meadow Formal Open Back Ruffled Dress
Special Occasion
Make a head-turning impression with a formal dress that wows from the moment you enter the room! Meadow features a sleeveless square neckline, spaghetti straps, a daring open back, a fab bow at the lower back that leads to a ruffled trim, and a mermaid silhouette. The dress is composed of a smooth knit fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels and a rhinestone clutch.
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Adhesive bra recommended
- Open back
- Bow and ruffles at the lower back
- Mermaid silhouette
- Smooth knit fabric, form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1636
Category Name: Mermaid Dresses
Price: $14.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Amara Formal Scalloped Lace Mermaid Dress
Special Occasion
Make an enchanting entrance with a lace dress that brings the drama to your formal evening! The dress features a sleeveless V-neckline with single button closure at the nape of the neck, an open-back design, a floral lace body, sparkling sequins throughout, and a mermaid silhouette. The dress offers a form hugging fit with slight stretch. Complete look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless V-neckline
- Open back, single-button closure at the nape of the neck
- Floral lace body
- Sequins
- Mermaid silhouette
- Lace fabric
- Form hugging fit, minimal stretch, runs true to size
Style Number/Barcode: 05002-1684
Category Name: Mermaid Dresses
Price: $14.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Luana Formal Open Back Sequin Dress
Special Occasion
Bring the sparkle with a formal dress that dazzles from all your best angles! Luana features a sleeveless scoop neckline with padded cups, bungee spaghetti straps, a bold backless design accented with bungee bar straps, a sequin scroll print pattern, and a mermaid silhouette. The dress is composed of a lined mesh fabric that offers a form hugging fit with minimal stretch. Complete look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless scoop neckline
- Padded cups
- Bungee spaghetti straps
- Backless, bungee bar straps
- Sequin scroll print
- Mermaid silhouette
- Form hugging fit, minimal stretch, runs true to size
Style Number/Barcode: 05002-1688
Category Name: Mermaid Dresses
Price: $37.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Betty Formal Off The Shoulder Lace Dress
Special Occasion
Stun in a timeless lace dress that makes a captivating impression! Betty features an off-the-shoulder neckline with scalloped lace trim, a sweetheart bust, long unlined sleeves, a floral lace pattern throughout the chic mermaid silhouette. The dress is composed of a lined lace fabric that offers a form hugging fit with a slight stretch. Complete look with nude heels and a rhinestone headband.
Fit & Features
- Off the shoulder neckline, scalloped lace trim
- Sweetheart bust, adhesive bra recommended
- Long unlined sleeves
- Floral lace pattern
- Mermaid silhouette
- Knee-length knit skirt lining
- Form hugging fit, slight stretch, runs true to size
Style Number/Barcode: 05002-1711
Category Name: Mermaid Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Francine Formal Open Back Glitter Dress
Special Occasion
Make an illuminating entrance with a formal dress that glows under the spotlight. Francine features a crew neckline, long fitted sleeves, a daring open back, tie-back ties, ruching at the lower back, and a mermaid silhouette. The dress is composed of a glitter knit fabric that offers a form-hugging fit with moderate stretch. Complete the look with rhinestone heels and a clutch.
Fit & Features
- Crew neckline, single-button closure at the back of the neck
- Long fitted sleeves
- Open back, tie-back ties
- Ruching at the lower back
- Mermaid silhouette, form-hugging fit
- Glitter knit fabric, lining at the bust, moderate stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-1713
Category Name: Mermaid Dresses
Price: $9.97 $72.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Lizzy Velvet Corset Mermaid Formal Dress
Special Occasion
Sophisticated and modern, the Lizzy formal dress is a chic choice for any event. She features long sleeves, a mock neck on a fitted corset-mesh bodice with flexible boning. Her high-cut slit shows some skin and shapes the elegant mermaid, floor-length silhouette. The dress is composed of a luxe velvet-lined fabric with a moderate stretch. Complete your look in stiletto heels.
Fit & Features
- Long sleeves, mock neck
- Corset-mesh bodice, flexible boning
- High-cut slit, mermaid silhouette
- Luxe velvet-lined fabric, moderate stretch
- Zipper closure
- Runs true to size
Style Number/Barcode: 05002-1733
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Blanche Formal Corset Mermaid Dress
Special Occasion
Bring that timeless elegance with a formal dress that stuns from the moment you enter the room! The dress features a sleeveless square neckline, tank shoulder straps, a corset bodice with flexible boning, a stunning lace-up back, and a flowy mermaid silhouette. The dress is composed of a lined crepe fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless square neckline
- Tank shoulder straps
- Corset bodice, flexible boning
- Mermaid silhouette
- Lined crepe fabric
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1744
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Clara Rhinestone Detail Satin Mermaid Dress
Special Occasion
Sultry glamour will be your vibe in the Clara sleek satin mermaid dress. She features a sleeveless bodice, adjustable spaghetti straps for a customized fit, and a trendy cowl neckline with a sweetheart design and iridescent rhinestone detailing. Her flattering high waist seam flows out to a floor-length, fitted mermaid silhouette with a thigh-high side slit to showcase some leg. Style this dress with embellished heels.
Fit & Features
- Sleeveless bodice, adjustable spaghetti straps
- Cowl neckline with a sweetheart design, iridescent rhinestone embellishment
- High side slit
- Back zipper and hook and eye closure
- High waist seam
- Floor-length mermaid silhouette
- Satin-knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1752
Category Name: Mermaid Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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All Night Sparkle Sequin Scroll Lace-Up Dress
Sparkle all night long in this sequin mini dress that shines in the light! It features a sleeveless square neckline, spaghetti straps, a lace-up back design, a bodycon fit, and a mini-length hem. The dress is composed of a lined mesh fabric with an intricate all-over sequin embroidered scroll pattern. Perfect for styling with stiletto heels and a clutch.
Fit & Features
- Sleeveless square neckline
- Spaghetti straps
- Lace-up back design, tie closure, lower back zipper, hook and eye closure
- Bodycon fit, mini-length hem
- Sequin embroidered scroll pattern
- Sheer mesh fabric, knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05103-4130
Category Name: Mermaid Dresses
Price: $6.97 $52.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
- Sleeveless square neckline
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Karasi Formal High Slit Mermaid Dress
Special Occasion
Make a show-stopping entrance with a formal dress that wows from all your best angles! Karasi features a sleeveless V-neckline, adjustable spaghetti straps, an open back with lower back tie, ruching at the lower back, a high side slit, and a mermaid silhouette. The dress is composed of a smooth knit fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels.
Fit & Features
- Sleeveless V-neckline
- Adjustable spaghetti straps
- Open back, lower back ties, ruching at the lower back
- High side slit
- Mermaid silhouette
- Smooth knit fabric
- Form hugging fit, moderate stretch, runs true to size
Style Number/Barcode: 05002-1772
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tatum Formal Glitter Mermaid Dress
Special Occasion
Make a twirl-worthy entrance in a formal dress that makes a shine-stopping entrance! Tatum features a sleeveless square neckline, padded cups, adjustable spaghetti straps, and cross-straps that fasten with a slide hook closure. The slim-fit waist leads to a mermaid silhouette that is accented with ruching throughout. The dress is composed of a lined glitter mesh fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels and a clutch.
Fit & Features
- Sleeveless square neckline
- Padded cups
- Cross-straps with slide hook fasten
- Ruching
- Lined glitter mesh
- Mermaid silhouette
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1773
Category Name: Mermaid Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sophia High-Slit Mermaid Dress
Special Occasion
Radiate chic elegance in the simply stunning Sophia formal dress. She features a sleeveless V-neckline with a center keyhole cutout, spaghetti straps that lead to an open back with a cross-strap design, a high waistband, back ruched detailing, and a floor-length fitted mermaid silhouette with a thigh-high side slit. Complete the look with shimmering rhinestone earrings.
Fit & Features
- Sleeveless V-neckline, princess seams, center keyhole cutout
- Spaghetti straps
- Open back, cross-strap design
- High waistband
- Back ruched detailing
- Floor-length mermaid silhouette, high side slit
- Crepe fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1795
Category Name: Mermaid Dresses
Price: $14.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Isador Formal Long Sleeve Cutout Dress
Special Occasion
Make a bold impression with a formal dress that dares to show off more than a hint of skin. Isador features an off-the-shoulder neckline, a sweetheart bust with twist knot accent, long sleeves, dual cutouts at the waist, and a mermaid silhouette with a high side slit. The dress is composed of a lined crepe fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels and a tennis bracelet.
Fit & Features
- Off the shoulder neckline
- Sweetheart bust, twist knot accent
- Long sleeves
- Dual cutouts at the waist
- Mermaid silhouette, high side slit
- Lined crepe fabric
- Form hugging fit, moderate stretch, runs true to size
Style Number/Barcode: 05002-1789
Category Name: Mermaid Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Amelia Long Sleeve Mermaid Dress
Special Occasion
Elevated and elegant, the Amelia mermaid dress will make you the stylish guest of honor at the next wedding you attend. She features a V-neckline with a wrap-front design, long fitted sleeves, a ruched wrap design at the waist, and a floor-length, fitted, mermaid silhouette. Style this dress with rhinestone statement earrings.
Fit & Features
- V-neckline, wrap-front design
- Long sleeves
- Back zipper closure
- Ruched wrap design at the waist
- Floor-length mermaid silhouette
- Knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1810
Category Name: Mermaid Dresses
Price: $31.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tara Sleeveless Mermaid Dress
Special Occasion
Simply stunning, the Tara sleeveless mermaid dress is a gorgeous option for your next formal event. She features a sweetheart neckline with ruched detailing, spaghetti straps, a flattering high waist seam, and a floor-length fitted mermaid silhouette. The lined knit fabric offers plenty of stretch for comfortable wear. Style this dress with sleek hoop earrings.
Fit & Features
- Sleeveless sweetheart neckline, ruching, padded bust
- Spaghetti straps
- High waist seam
- Floor-length mermaid silhouette
- Knit fabric, full knit lining, plenty of stretch
- Runs true to size
Style Number/Barcode: 05002-1816
Category Name: Mermaid Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kaylen Sequin Off-The-Shoulder Formal Dress
Special Occasion
Embody elegance and glamour in the Kaylen Sequin Off-The-Shoulder Formal dress for a stunning grand entrance! She features a sweetheart neck with a wire inset for a structured look on her fitted bodice. Flaunt your curves in the mermaid silhouette with a high-side slit for a sultry show of leg on the floor-length hem. She's composed of a sequin-mesh lined fabric with no stretch. Complete the look in classy black heels.
Fit & Features
- Sweetheart neck with wire inset | Off-The-Shoulder
- Adhesive bra recommended
- High-side slit | Back zipper closure
- Fitted empire bodice
- Mermaid silhouette | Floor-length hem
- Sequin-mesh lined fabric
- Fits true to size | No stretch
Style Number/Barcode: 05002-1820
Category Name: Mermaid Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Taylor Glitter Velvet Mermaid Dress
Special Occasion
Bring the luxe looks to your formal soiree in the sultry chic Taylor mermaid dress. She features a sleeveless cowl neckline, spaghetti straps that lead to a lace-up back, and a floor-length fitted mermaid silhouette with a stylish thigh-high front slit. The dress is composed of a glitter velvet fabric that will bring the glamorous vibes. Complete the outfit with gold hoop earrings.
Fit & Features
- Sleeveless cowl neckline
- Spaghetti straps
- Lace-up strappy back design, tie closure
- High waist seam, floor-length mermaid silhouette
- High front slit
- Glitter velvet fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1822
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance