Mermaid Formal Dresses
Dive into the dreamy world of mermaid formal dresses, where elegance meets a splash of enchantment! These stunning silhouettes hug your curves in all the right places and fan out into a mesmerizing fishtail finish, making you feel like the star of your own fairytale. Whether you're gracing a gala, owning prom night, or stealing the spotlight at any formal event, these dresses are your ticket to unforgettable style. Get ready to turn heads and leave a trail of admirers in your wake, because with these mermaid vibes, you're not just walking into a room—you're making waves!
$109.90 - $149.90
A pink mermaid silhouette dress with sequin-scroll pattern, V-neckline, and lace-up back.
$69.90
A pink off-the-shoulder mermaid dress with glitter fabric, ruched bust, and high front slit.
$109.90
A chic navy blue mermaid dress with sequins, featuring a lace-up back and thigh-high slit.
$74.90
A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.
$119.90
A stunning lavender mermaid dress featuring sequin scrolls, lace-up back, and high slit.
$64.90
An elegant green satin mermaid dress with a lace-up back and flattering V-neckline.
$77 $109.90 30% off
A stunning royal blue mermaid dress with sequins, adjustable straps, and a high front slit.
$149.90
A lavender mermaid dress with sequin floral embroidery, chiffon straps, and a lace-up back.
$89.90
A light blue glitter knit mermaid dress with ruching, spaghetti straps, and a lower back cutout.
$84.90
A sage sequin formal dress with an asymmetrical one-shoulder neckline and mermaid silhouette.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$99.90
A sage mermaid formal dress featuring a halter V-neckline and elegant tie-back design.
$79.90
A captivating red glitter mermaid dress featuring a cowl neckline, padded cups, and a dramatic slit.
$99.90
A navy blue mermaid gown with glitter knit fabric, cowl neckline, and adjustable spaghetti straps.
$79.90
A light blue mesh mermaid dress with faux pearl embellishments and a flattering sweetheart cowl neckline.
$69.90
A green mermaid formal dress with a cowl neckline, crisscross back, and dramatic high front slit.
$69.90
A green sleeveless mermaid dress with glitter fabric, adjustable straps, and a floor-length hem.
$139.90
A pink mermaid silhouette dress with sequin-beaded bow pattern and chiffon tie-back design.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$69.90
A captivating blue mermaid dress featuring glitter fabric, an open back, and a sweetheart neckline.
$63 $89.90 30% off
A green sequin mermaid dress with a boho pattern, adjustable straps, and a floor-length hem.
$119.90 - $129.90
A coral sequin mermaid dress featuring a corset bodice, high slit, and sweetheart neckline.
$76.90
A navy blue mermaid dress with a chiffon tie-back and floral velvet pattern for formal occasions.
$99.90
A mauve satin mermaid dress featuring a beaded applique neckline and adjustable spaghetti straps.
$69.90
A light blue mermaid dress with glitter fabric, lace-up back, and a high front wrap slit.
$89.90
A glamorous gold mermaid dress with an off-the-shoulder neckline and dramatic high front slit.
$69.90
A taupe satin strapless mermaid dress with a sweetheart neckline and chic pleated detailing.
$79.90
A red knit mermaid dress with glitter pattern, cowl neckline, and high front slit.
$19.97 $69.90 71% off
A pink glitter knit mermaid dress featuring a lace-up back, V-neckline, and high front slit.
$79.90
A sophisticated green off-the-shoulder mermaid dress featuring a sultry wrap slit and padded cups.
$79.90
A royal blue satin mermaid dress with a high slit and open cross-back strappy design.
$69.90
A black glitter crepe knit mermaid dress with a cutout bodice and high front wrap slit.
$74.90
A navy blue mermaid dress with a tie-back design, high slit, and stretchy knit fabric.
$89.90
A sage mermaid silhouette dress with a lace-up back and glitter lurex fabric for formal events.
$79.90
A glamorous gold satin mermaid dress with a high slit and elegant train for formal events.
$69.90
A blue floral crepe mermaid dress with a sweetheart neckline and high front slit.
$64.90
A green knit mermaid dress with a cowl neckline, spaghetti straps, and a high front slit.
$39.97 $79.90 50% off
A glamorous green mermaid dress featuring glitter fabric, lace-up design, and a high front slit.
$159.90
A sultry red strapless mermaid dress featuring a lace corset bodice and high front wrap slit.
$99.90
A mint sequin scroll mermaid dress with a strappy back, perfect for prom or black-tie events.
$59.90
A stunning red mesh mermaid dress with ruched seams and adjustable spaghetti straps for formal occasions.
$64.90
An elegant black glitter knit mermaid dress with a cowl neckline, open back, and front slit.
$74.90
A red glitter knit mermaid dress with an off-the-shoulder neckline and high front wrap slit.
$19.97 $59.90 67% off
A black sleeveless mermaid dress with a lace-up back and high-low ruffled hem.
$119.90
A stunning pink mermaid dress with sequin beaded embroidery and a satin strapless pleated neckline.
$64.90
An olive mermaid formal dress with a cowl neckline and elegant open tie-back design.
$56 $79.90 30% off
A black glitter mermaid dress with a lace-up back, square neckline, and padded bra cups.
$69.97 $149.90 53% off
A lavender mermaid dress adorned with beaded pearls, featuring a lace-up back and floor-length hem.
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Chic and glamorous, the Rowena sequin mermaid long dress will stylishly elevate your formal night-out look. With a lace-up strap design and fitted mermaid silhouette with a high slit, you'll deliver stunning style. Fit & FeaturesSheer mesh fabric, knit lining, moderate stretch, embroidered sequin scroll design, Sleeveless square neckline, padded bust, Spaghetti straps, open back, lace-up strap design, tie closure, Lower back zipper with hook and eye closure, High waist seam, Fitted floor-length mermaid silhouette, high front slit, Runs true to size, Where to Wear:Prom, black-tie parties and galas, fancy engagement parties Free Shipping on All Orders Over $75. | Windsor Rowena Sequin Mermaid Dress in Navy Blue | Size: M | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric
Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue
$29.97 $59.90
50% off
Flaunt your glam style in the fabulous Lola high slit glitter dress! She features a trendy cowl neckline with a slim-fit bodice, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. She is composed of glitzy glitter knit fabric that offers a curve-hugging fit with a moderate stretch. Pair this gorgeous long dress with a sleek ring set to add some glamour to your look for your special occasion. Fit & FeaturesCowl neckline, spaghetti straps, Slim-fit bodice, form-hugging fit, Floor-length silhouette, Thigh-high side slit, Glitter knit fabric, mini-length inner knit lining, moderate stretch, Sticky bra recommended, Runs true to size, The saturation of glitter varies. Glitter may transfer. Free Shipping on All Orders Over $75. | Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue | Size: L | Knit Fabric
Effortlessly elegant, the Sophie glitter knit mermaid dress would be a stunning choice for a formal gala. She features a square neckline, short puff sleeves, a partially open back with a lace-up strappy design for a customized fit, a high waist seam, a floor-length hem, and a mermaid silhouette with a high front slit to showcase your heels. The glitter knit fabric offers a moderate stretch. Complete the look in this long dress with rhinestone statement earrings. Fit & FeaturesSquare neckline, Short puff sleeves, Open back, lace-up strappy design, tie closure, High waist seam, Floor-length hem, mermaid silhouette, front slit, Glitter knit fabric, moderate stretch, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue | Size: S | Knit Fabric/Rhinestone
The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure. She features a sleeveless square neckline, a bold backless design, a high waist seam, a chic bow accent at the lower back with a flowy floor-length train, a floor-sweeping hem with a mermaid silhouette, and a form-hugging fit. Style this long dress with a rhinestone clutch for a black-tie wedding. Fit & FeaturesSleeveless square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Form-hugging fit, Glitter knit fabric, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Light Blue | Size: L | Knit Fabric/Rhinestone
The Lucille formal satin dress will have you looking and feeling radiant and luxe! The dress captivates with a lace-up back, mermaid silhouette, and high front slit for effortless allure. Fit & FeaturesLined satin knit fabric, minimal stretch, Sleeveless square neckline, padded bust, adjustable spaghetti straps, Open lace-up back design, zipper and hook-eye closure, Fitted bodice, front ruched seam, high-cut slit, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black tie galas, red-carpet events, nights at the opera or theatre, big milestone celebrations Free Shipping on All Orders Over $75. | Windsor Lucille Formal Satin Mermaid Dress in Coral | Size: L | Knit Fabric/Satin Fabric
Spend an evening in the timeless elegance of the Alicia floor-length formal dress and feel like a work of art! The side ruched seams accentuate your curves along the mermaid silhouette, and the high front slit adds a touch of drama to the floor-length hem. Fit & FeaturesSmooth knit fabric lined with stretchy knit, Padded bra cups, Back zipper and hook-eye closure, High front slit, Mermaid silhouette, Runs true to size, Where to Wear:Prom, galas, black tie parties, weddings, bridesmaids, nights at the theatre and opera, red-carpets Free Shipping on All Orders Over $75. | Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Green | Size: S | Knit Fabric
Make it an elegant entrance in the Priscilla formal satin dress with a curve-hugging mermaid silhouette and floor-sweeping hem for dramatic flair. Fit & FeaturesLined silky satin fabric, minimal stretch, Strapless sweetheart neckline, Pleated, lightly padded bust, non-slip grip lining, Slim-fit bodice, high waist seam, hip-hugging fit, Floor-sweeping hem, mermaid silhouette, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black-tie galas and events, and fancy milestone celebrations. Free Shipping on All Orders Over $75. | Windsor Priscilla Formal Satin Strapless Mermaid Dress in Taupe | Size: M | Satin Fabric
Sleek and sultry, the Kathie formal satin dress is destined to shine at banquets, galas, and black-tie weddings! She features a sophisticated one-shoulder neckline, a wide shoulder strap, a pleated side seam, a mermaid silhouette, and an asymmetrical high front slit along her graceful long hem. The formal dress is composed of luxurious satin-lined fabric with a sheen effect and minimal stretch. Complete the look with hoop earrings. Fit & FeaturesOne-shoulder neckline, wide shoulder strap, Back zipper and hook-eye closure, Pleated side seam, asymmetrical high front slit, Mermaid silhouette, long hem, Lined silky satin fabric, sheen effect, minimal stretch, Strapless bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Kathie Formal Satin One-Shoulder Dress in Gold-2 | Size: M | Satin Fabric
Stun in the Shay formal glitter dress that makes your entrance that much more glam! Shay features a mermaid silhouette that flaunts your beautiful curves and a floor-length hem for a hint of drama. Fit & FeaturesLine glitter lurex fabric, V-neckline, padded bra cups, Adjustable spaghetti straps, Ruching, mermaid silhouette, Wide banded hem, train , Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout , Where to Wear: Prom, black tie galas and events, red-carpet events, upscale birthdays Free Shipping on All Orders Over $75. | Windsor Shay Formal Lurex Glitter Dress in Rose Gold | Size: XS
Radiate sexy elegance in the Deyna formal long dress perfect for your upcoming black tie soirees! The dress accentuates your curves with side ruched seams and mermaid silhouette create a stunning and flattering shape, while the floor-length hem adds sophistication. Fit & FeaturesAiry mesh fabric, full knit stretchy lining, Off-the-shoulder neckline, ruffled cuffs, cascading ruffles, Back zipper and hook-eye closure, Flexible boning inserts in the bodice, Side ruched seams, mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, fancy garden parties, and dressed-up events. Free Shipping on All Orders Over $75. | Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Periwinkle | Size: L | Knit Fabric/Mesh Fabric/Mesh Fabric
Mermaid Formal Dresses
When you’re on the hunt for that jaw-dropping look that’ll have every head turning the second you glide into the room, nothing delivers drama and confidence quite like a mermaid formal dress. There’s just something about that curve-hugging silhouette, the way it sculpts your figure and then flares out with a little extra attitude, that makes you feel like you’re starring in your own fairytale (with a splash of main character energy, obviously). Whether you’re getting ready for prom, a black-tie gala, or a formal wedding, slipping into a marmeid dress is your ticket to feeling absolutely unstoppable. It’s the kind of look that says you’re here to make memories, break hearts, and leave a little sparkle wherever you go. If you’re the girl who lives for a little drama and a lot of compliments, or if you’re shopping for a bestie who deserves to shine, a mermaid dress windsor style is basically a love letter to your boldest, most fabulous self.
Let’s be real—choosing the perfect mermaid formal dress is all about finding the vibe that matches your energy. Maybe you’re all about sleek satins that catch the light with every move, or you want intricate lace details that make you feel like royalty. If you love a little extra, go for a mermaid theme dress with sequins, rhinestones, or a dramatic train that’ll trail behind you like your own personal red carpet. These dresses are made for grand entrances and even grander exits, so don’t hold back. Think about the venue, the dress code, and—most importantly—what makes you feel like the best version of yourself. And if you’re gifting a marmeid dress, you’re basically giving someone permission to steal the spotlight and have the night of their life. Picture your best friend unwrapping that dress and immediately planning her next epic photo op—iconic. And hey, if you’re part of a bridal party and the bride wants her squad to serve mermaid magic, you’ll want to check out our Mermaid Bridesmaid Dresses for even more inspo.
Wearing a mermaid dress isn’t just about looking stunning (though, trust, you will). It’s about the way you feel when you catch your reflection and think, “Yep, that’s me.” It’s the confidence boost that comes with every step, the way the skirt swishes as you dance, and the way you own every room you walk into. These dresses are made for the girls who want to make memories, whether you’re twirling on the dance floor, posing for pics with your ride-or-die crew, or living your best life at a black-tie event. And don’t forget—the right accessories can take your look to the next level, from statement earrings to a killer clutch. When you choose a mermaid formal dress, you’re not just picking out an outfit. You’re setting the stage for an unforgettable night and making sure every moment is as magical as you are.