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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Arielle Strapless Mermaid Formal Dress
Special Occasion
Made for candlelit entrances and compliments that follow you across the room, this strapless gown delivers sleek glamour with a sculpted fit. The ruched mermaid silhouette and cascading side sash create elegant movement with every step.
Fit & Features
- Slinky knit stretchy fabric with sheen effect
- Strapless neckline
- Front sash wrap waist
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black tie galas, formal milestone parties, rehearsal dinners, anniversaries, vacations, destination celebrations, fancy occasions
Style Number/Barcode: 05002-001703
Category Name: Mermaid Dresses
Price: $69.90
Availability: In Stock
Available Color: YELLOW
Available Size: M
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Vivienne Formal Woven Satin Pleated Dress
Special Occasion
Elegance, distilled to its most captivating form. The Vivienne is designed in lustrous woven satin with a sculpted mermaid silhouette, featuring a sleek strapless bodice and artfully pleated skirt that creates fluid movement with every step.
Fit & Features
- Woven satin fabric with subtle sheen, stretchy knit lining
- Strapless straight neckline
- Hidden side zipper and hook-eye closure
- Fitted bodice with seam detail, flexible boning
- Pleated draping at the hip
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, big milestone celebrations, red carpet occasions, black tie galas, weddings, spring balls
Style Number/Barcode: 05002-001708
Category Name: Mermaid Dresses
Price: $89.90
Availability: In Stock
Available Color: NAVY
Available Size: S, M, L
Product Badge:- Ships Free
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Caterina Mesh One-Shoulder Formal Dress
Special Occasion
Effortlessly sculpted with a touch of softness, the Caterina mesh gown drapes the body in a ruched mermaid silhouette that moves with you from every angle. A one-shoulder neckline and flowing sash detail add a modern, elevated finish that feels both refined and quietly striking.
Fit & Features
- Mesh fabric, partial knit lining, high stretch
- One-shoulder neckline with asymmetrical strap
- Back zipper and hook-eye closure
- Ruched bodice and hip
- Mermaid silhouette, floor-length hem
- Attached sash detail
- Runs true to size
Where to Wear:
Prom, weddings, black tie occasions, engagement parties, rehearsal dinners, fashion-forward events, fancy date nights, vacations, honeymoons, garden parties
Style Number/Barcode: 05002-001710
Category Name: Mermaid Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: In Stock
Available Color: PINK, NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Sale
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Tori Mesh Mermaid Formal Dress
Special Occasion
The Tori mesh mermaid gown contours every curve with a sheer bodice that feels equal parts refined and daring. From the soft ruching to the fluid drape detail, it’s the kind of silhouette that makes every step feel like a moment worth capturing.
Fit & Features
- Mesh-lined fabric, high stretch
- Sweetheart halter neckline, padded bra cups, tie straps
- Sheer bodice with attached drape
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, destination weddings, rehearsal dinners, engagement parties and photoshoots, vacations, honeymoons, bachelorettes, birthdays
Style Number/Barcode: 05002-001711
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: WHITE, BLACK, DENIM
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Simone Strapless Mermaid Formal Dress
Special Occasion
Sleek and sculpted, the Simone strapless mermaid gown is designed for a striking, statuesque entrance. The sweetheart neckline and softly draped sash detail contour the silhouette, creating an effortlessly refined look that feels equal parts modern and timeless.
Fit & Features
- Slinky knit stretchy fabric, knit lining
- Strapless sweetheart neckline, padded bra cups
- Front knotted sash
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, prom, galas, black tie events, engagement parties, rehearsal dinners, upscale birthdays, vacations, anniversaries, formal milestone celebrations
Style Number/Barcode: 05002-001717
Category Name: Mermaid Dresses
Price: $69.90
Availability: In Stock
Available Color: HUNTER
Available Size: XS
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Aspen Chiffon Formal Dress With Scarf
Special Occasion
The Aspen mermaid gown brings sleek sophistication with a dramatic twist. The floor-length silhouette, layered ruffle hem, and flowing scarf detail create effortless movement that feels timeless and striking.
Fit & Features
- Chiffon fabric, smooth lining
- Cowl neckline, spaghetti strap
- Scarf included
- Ruffled mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, black tie galas, formal celebrations, cocktail soirees, engagement parties, rehearsal dinners, anniversaries, fashion-forward events
Style Number/Barcode: 05002-001726
Category Name: Mermaid Dresses
Price: $69.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L
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Marcelle Chiffon Formal Dress With Scarf
Special Occasion
Understated yet unforgettable, the Marcelle chiffon one-shoulder dress moves like poetry with every step. The sleek asymmetrical neckline and dramatic scarf detail cascade down the back, while the mermaid silhouette creates a long, sculpted line that feels effortlessly refined.
Fit & Features
- Sheer chiffon fabric, full-length stretchy knit lining
- Pleated one-shoulder neckline with attached scarf
- Hidden back zipper with hook-eye closure
- Floor length hem
- Mermaid silhouette
- Runs true to size
Where to Wear:
Prom, weddings, galas, award ceremonies, upscale cocktail soirees, engagement parties, rehearsal dinners, fashion-forward events, and formal celebrations.
Style Number/Barcode: 05002-001729
Category Name: Mermaid Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Noel Glitter Knit Open Back Mermaid Gown
Special Occasion
Made for entrances that deserve a second look, the Noel gown pairs shimmering glitter knit with a curve-skimming mermaid silhouette and an open back for an unforgettable finish. The softly ruched bodice adds dimension while the floor-length shape keeps the look polished for weddings, galas, and dressy nights out.
Fit & Features
- Glitter knit fabrication, knit lining, high stretch
- Sweetheart neckline with ruched bust, padded bra cups
- Sleeveless wide tank straps
- Open back with adjustable lace-up ties
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Homecoming, birthday celebrations, bridal showers, dressed-up dinners, and date nights.
Style Number/Barcode: 05002-001749
Category Name: Mermaid Dresses
Price: $64.90
Availability: In Stock
Available Color: DENIM
Available Size: XS, S, M, L, XL
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Ashlee Lace Halter Mermaid Formal Dress
Special Occasion
The Ashlee mermaid gown drapes with a soft lace cowl halter neckline that feels equal parts romantic and refined. A pleated waist sculpts the silhouette before flowing into a floor-length finish, creating a look that’s impossible to forget.
Fit & Features
- Smooth knit-lined stretchy fabric
- Lace cowl halter neckline, tie straps
- Pleated waist
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, rehearsal dinners, engagement parties, anniversaries, fancy brunches, afternoon tea, garden parties, graduations, formal milestone parties, birthdays
Style Number/Barcode: 05002-001752
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Briella Lace Mermaid Formal Dress
Special Occasion
Made for that slow, unforgettable entrance, the Briella lace mermaid formal dress moves with a kind of quiet drama that turns heads without trying. The fitted silhouette, ruched detailing, and cascading ruffle bring texture and shape together in a way that feels both romantic and bold.
Fit & Features
- Lace fabric with sheer paneling throughout
- Halter sweetheart neckline, ruched center, padded bra cups
- Open back with halter tie closure, lower zipper and hook-eye closure
- Mermaid silhouette with high slit and ruffle trim
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, galas, fancy showers, anniversaries, birthdays, vacations, and honeymoons.
Style Number/Barcode: 05002-001107
Category Name: Mermaid Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S
Product Badge:- Sale
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Kerry Satin Cape Mermaid Formal Dress
Special Occasion
Made for entrances that linger long after the last toast, the Kerry satin mermaid gown brings a polished kind of drama to every RSVP moment. The plunge V-neckline, bell short sleeves, and cape accent drape create fluid movement that feels equal parts timeless and unforgettable.
Fit & Features
- Premium satin fabric, lining
- Plunge V-neckline
- Bell short sleeves
- Cape accent drape, back zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, rehearsal dinners, engagement parties, formal milestone events, black tie galas, cocktail receptions, mother of bride, religious ceremonies
Style Number/Barcode: 05002-001860
Category Name: Mermaid Dresses
Price: $89.90
Availability: In Stock
Available Color: NAVY
Available Size: M
Product Badge:- Ships Free
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Stephanie Satin Open Back Formal Dress
Special Occasion
The Stephanie gown brings sleek glamour with a softly dramatic finish. Crafted in satin with a plunge halter pleated neckline, open back, and mermaid floor-length silhouette, it’s the perfect balance of polished sophistication and allure.
Fit & Features
- Premium satin fabric, bust lining
- Plunge halter neckline with tie straps
- Pleated bust
- Open back, zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, bridal celebrations, courthouse weddings, elopements, rehearsal dinners, engagement photoshoots, fancy birthdays, graduations, galas
Style Number/Barcode: 05002-001857
Category Name: Mermaid Dresses
Price: $79.90
Availability: In Stock
Available Color: CHARTREUSE, IVORY
Available Size: M, L, S
Product Badge:- Ships Free
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Laurel Tie-Back Mermaid Formal Dress
Special Occasion
Soft chiffon trim and sculpted shape make the Laurel formal dress feel especially current. The strapless mermaid dress balances a flowing finish with a defined fit and tie-back detail for a polished take on modern occasion dressing. The result feels fresh, elegant, and right on trend.
Fit & Features
- Smooth knit fabric with sheen, knit lining, high stretch
- Strapless chiffon neckline, non-slip grip lining, padded bra cups
- Tie-back design, zipper and hook-eye closure
- Fitted mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, rehearsal dinners, engagement parties, cocktail soirees, formal celebrations, vacations, honeymoons, resorts, special date nights
Style Number/Barcode: 05002-001908
Category Name: Mermaid Dresses
Price: $89.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free