Long Mermaid Prom Dresses
Dive into the enchanting world of long mermaid prom dresses where every step you take is a swish of elegance and a splash of glam! These stunning gowns are your ticket to making a jaw-dropping entrance and leaving a trail of admirers in your wake. With their curve-hugging silhouettes and dramatic flares, you'll feel like the queen of the oceanic ball, ready to dance the night away. Whether you're channeling red carpet vibes or aiming for that fairy-tale fantasy, our collection of long mermaid prom dresses promises to make waves at any event. So go ahead, let your inner siren shine and own that spotlight like the fearless fashionista you are!
$119.90
A glamorous lavender mermaid dress with sequin scrolls, lace-up back, and high slit.
$89.90
A luxurious green knit mermaid dress featuring an off-the-shoulder neckline and dramatic high front slit.
$109.90
A chic navy blue mermaid dress with sequins, a square neckline, and a thigh-high slit.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and a high-cut slit.
$84.90
A black glitter knit mermaid dress with a bow-back design and floor-length train for formal occasions.
$49.90
A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.
$69.90
A stunning denim satin mermaid dress with a strapless sweetheart neckline and floor-sweeping hem.
$99.90
A mint sequin scroll mermaid dress with a strappy back, perfect for prom or black-tie events.
$69.90
A periwinkle mesh off-the-shoulder long dress with a mermaid silhouette and cascading ruffles.
$69.90
A burgundy knit formal dress with a lace-up back, ruching, and a mermaid silhouette.
$64.90
An elegant green satin mermaid dress with a lace-up back and flattering V-neckline.
$59.90
A red floral mesh mermaid dress with a lace-up back, high slit, and floor-length hem.
$59.90
A stunning red mesh mermaid dress with ruched seams and adjustable spaghetti straps for formal occasions.
$59.90
A stunning black formal dress with a cowl neck, mermaid silhouette, and elegant lace-up back.
$69.90
A stunning black sleeveless mermaid dress with glitter fabric and adjustable spaghetti straps for formal events.
$19.97 $79.90 75% off
A light blue mesh mermaid gown with faux pearl embellishments and a flattering sweetheart cowl neckline.
$89.90
A light blue glitter knit mermaid dress with ruching, a scoop neckline, and a stylish back cutout.
$74.90
An elegant red mermaid dress with a glitter knit fabric and off-the-shoulder sweetheart neckline.
$89.90
A chambray glitter knit mermaid dress with a lace-up back and high side slit.
$77 $109.90 30% off
A stunning royal blue mermaid dress with sequins, adjustable straps, and a high front slit.
$79.90
A stunning white mermaid dress with faux pearl embellishments and a cold shoulder neckline.
$19.97 $69.90 71% off
A strapless navy blue mermaid dress in shimmering satin glitter with a pleated bodice and high slit.
$79.90
A navy blue mermaid dress with a glittery finish, lace-up back, and high front slit.
$15.97 $69.90 77% off
A pink glitter knit mermaid dress with a lace-up back and high front slit.
$19.97 $99.90 80% off
A sage mermaid formal dress featuring a halter V-neckline and elegant tie-back design.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$79.90
A glamorous black mermaid dress with glitter knit fabric, open back, and high front slit.
$69.90
A black glitter crepe mermaid dress with cutout strappy bodice and high front wrap slit.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$59.90
A stunning periwinkle mesh dress with a ruched mermaid silhouette and off-the-shoulder neckline.
$79.90
A white formal dress featuring faux pearl embroidery, a sweetheart neckline, and a high side slit.
$79.90
A stunning black satin mermaid dress with a high slit, adjustable straps, and a romantic train.
$89.90
A stunning black sequin glitter dress with a sheer corset bodice and mermaid silhouette.
$19.97 $119.90 83% off
A lime yellow sequin mermaid dress with a corset bodice and high front slit.
$99.90
A coral sequin formal dress with a lace-up back, high slit, and floor-length mermaid silhouette.
$99.90
A yellow mermaid sequin dress with a cutout back, high slit, and adjustable spaghetti straps.
$99.90
A yellow satin mermaid dress with beaded applique neckline and adjustable spaghetti straps.
$19.97 $64.90 69% off
A green knit mermaid dress with a cowl neckline, spaghetti straps, and a high front slit.
$79.90
A glamorous wine glitter dress with a mermaid silhouette, lace-up back, and floor-length hem.
$119.90
An orange mermaid dress with sequin embroidery, lace-up back, and a high front slit.
$89.90
A sophisticated navy blue satin dress with a strapless neckline and pleated mermaid silhouette.
$99.90
A green velvet mermaid dress with sequin details and an adjustable lace-up back for formal events.
$169.90
A pink mermaid formal dress with bead sequins, lace-up back, and high front slit.
$19.97 $79.90 75% off
A chic black mermaid dress featuring a sheer mesh corset bodice and adjustable crisscross straps.
$19.97 $74.90 73% off
A black glitter knit mermaid dress with a lace-up back and side ruched seams.
$59.90
A mauve mesh mermaid dress with a sweetheart neckline and lace-up back for formal occasions.
$74.90
A black glitter knit mermaid dress with a halter neckline and high front wrap slit.
$79.90
A sleek lavender mermaid dress with a ruched silhouette and adjustable spaghetti straps.
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Slip into the luxe vibes of Mayra! Designed to highlight your figure, this formal satin dress delivers a chic form-hugging fit and a high slit for effortless movement. Fit & FeaturesSmooth satin-knit fabric, moderate stretch, Sleeveless square neckline, spaghetti straps, Fitted bodice, side hip pleating, Form-fitting silhouette, high-cut front slit, Floor-length hem, Style runs small, Where to Wear:Homecoming, weddings, black-tie parties, galas, military balls, engagement parties, rehearsal dinners, bridal celebrations, birthday events, milestone celebrations Free Shipping on All Orders Over $75. | Windsor Mayra Formal Satin Slit Long Dress in Sage | Size: S | Satin Fabric
Create a captivating entrance in this formal wrap dress for your next soiree. All eyes are on you in this stylishly chic long formal dress with a plunging V-neckline to perfectly display a sparkling rhinestone lariat or delicate layers of dainty necklaces. Fit & FeaturesCrepe fabric, moderate stretch, Asymmetrical wrap V-neckline, Adjustable spaghetti straps, Ruched detailing, slim-fit bodice, High front slit, floor-length wrap silhouette, Runs true to size, Where to Wear:Prom, black-tie weddings, and formal parties. Free Shipping on All Orders Over $75. | Windsor Sasha Formal High Slit Wrap Dress in Black | Size: XS | Rhinestone
The Marissa long satin dress brings elegance and sultriness to your formal night. The floor-length gown enhances your curves with a fitted bodice and flattering A-line silhouette while the high front slit provides movement. Fit & FeaturesStretch-satin fabric, non-see-through, double-lined bust, Sleeveless pleated cowl neckline, spaghetti straps, Slim-fit bodice, empire waistline, High front slit, floor-length hem, A-line silhouette, Runs true to size, Where to Wear:Prom, weddings, black-tie soirees, special date nights, and engagement parties. Free Shipping on All Orders Over $75. | Windsor Marissa Formal Satin Cowl Neck Dress in Green | Size: S | Satin Fabric
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
Lavish yourself with a luxe formal dress that elevates your special occasion outfit! Cheyenne features a one-shoulder neckline, a wired V-neck bust, a fitted long sleeve, a high side slit on the floor-length hem, and a curve-hugging A-line silhouette. The long dress is composed of a lined velvet fabric that offers a moderate stretch. Complete the look with rhinestone heels and a sphere clutch. Fit & FeaturesOne-shoulder neckline, wired V-neck bust, Fitted long sleeve, High side slit, floor-length hem, A-line silhouette, Lined velvet fabric, Form-hugging fit, moderate stretch, Strapless or sticky bra recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Cheyenne Formal One-Shoulder Velvet Dress in Black-2 | Size: S | Rhinestone/Velvet Fabric
Make a sparkly statement at your next soiree in the trendy glam Addison glitter formal dress! Bring radiance to the room in this floor-length dress with a sleek design that fits like a glove. Fit & FeaturesSheer glitter mesh fabric, full knit stretchy lining, Sleeveless cowl neckline, spaghetti straps, High waist seam, Floor-length fitted silhouette, Runs true to size, Where to Wear:Prom, black tie weddings, galas, special date nights, rehearsal dinner Free Shipping on All Orders Over $75. | Windsor Addison Glitter Mesh Formal Dress in Black | Size: XS | Knit Fabric/Mesh Fabric/Mesh Fabric
Embellished with light-catching sequins, the Bethanie formal dress is a clear stunner with a lace-up back and a flattering mermaid silhouette with a floor-length hem. Fit & FeaturesSequin-scroll pattern, mesh fabric, stretch knit lining, Sleeveless V-neckline, padded bust, Lace-up back, zipper and hook-eye closure, Mermaid silhouette, Floor-length hem, Runs true to size, Where to Wear:Prom, black-tie events, formal weddings, and upscale parties. Free Shipping on All Orders Over $75. | Windsor Bethanie Formal Sequin V-Neck Mermaid Dress in Yellow | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric
Sultry and stunning, the Alisha formal dress will keep all eyes on you. With thin rhinestone detailed straps that give effortless sparkle and a curve-hugging silhouette, and an alluring high slit. Fit & FeaturesLightweight, breathable stretchy fabric, Sleeveless cowl neckline, Rhinestone detailed straps, High waist seam, Floor-length hem, form-fitting silhouette, high slit, Runs true to size, Where to Wear:Prom, glamorous evenings, dinner parties, weddings Free Shipping on All Orders Over $75. | Windsor Alisha Rhinestone Strap Formal Dress in Black | Size: L | Stretchy Fabric/Rhinestone
Dare to stun in the Jamie satin formal dress crafted with silky satin fabric for a gorgeous sheen. The bold plunge halter neckline and open lace-up back will turn heads while the fitted column silhouette flaunts your curves. Fit & FeaturesSilky satin fabric, short knit stretchy lining, Plunge halter V-neckline, shoulder straps, padded bra cups, Lace-up open back, lower zipper with hook-eye closure, High side slit, Fitted column silhouette, Floor-length hem, Runs true to size, Where to Wear:Prom, weddings, galas, and black-tie soirees. Free Shipping on All Orders Over $75. | Windsor Jamie Lace-Up Satin Formal Column Dress in Red | Size: XS | Knit Fabric/Satin Fabric
The Rose formal long column dress is the perfect combination of elegance and glamour with a sheer corset trim and high-side slit for effortless allure! Fit & FeaturesMesh fabric, partial stretchy knit lining, Sleeveless sweetheart neckline, cowl pleating, Adjustable spaghetti straps, crisscross open back, Padded bust, sheer corset bodice, flexible boning, Side ruched seams, fitted column silhouette, High-side slit, floor-length hem, Style runs small, Where to Wear:Prom, weddings, bridesmaids, rehearsal dinners, cocktail soirees, and dressed-up date nights. Free Shipping on All Orders Over $75. | Windsor Rose Formal Mesh Corset Column Dress in Green | Size: M | Knit Fabric/Mesh Fabric
Long Mermaid Prom Dresses
When it comes to creating a moment that’s pure main character energy, nothing beats the drama and allure of a long mermaid prom dress. Picture this: you glide into the room, every eye catching the way your dress hugs your curves, then flares out just so at the hem—total Hollywood red carpet vibes. This is the look for the girls who want to make an entrance and leave a little sparkle behind. Whether you’re the prom queen, the life of the afterparty, or the friend with the best playlist, a mermaid silhouette is your secret weapon for turning heads and dropping jaws. These dresses are made for the bold, the fearless, and the ones who know that confidence is the best accessory. With details like luxe fabrics, intricate embellishments, and swoon-worthy trains, a windsor mermaid prom dress isn’t just a piece of clothing—it’s an experience, a memory, and a total power move rolled into one.
Choosing the perfect long mermaid prom dress is all about finding the one that matches your vibe and your vision for the night. Maybe you’re all about that hourglass silhouette, wanting to show off your shape and feel like a total goddess. Or maybe you’re dreaming of a dramatic train that leaves a trail of “where did she get that?” whispers in your wake. Think about what makes you feel unstoppable—whether it’s a bold color, a hint of sparkle, or a daring neckline. These dresses are also a go-to pick for anyone with a flair for the glamorous, making them a killer gift idea for your bestie who’s got a big event coming up or your sister who’s ready to own the dance floor. And let’s be real: the mermaid shape isn’t just for prom night. It’s the kind of look that begs to be worn again, whether it’s for a formal, a gala, or any occasion where you want to channel your inner siren. The best part? With so many options, you can totally find a dress that fits your budget, your body, and your wildest prom dreams.
If you’re ready to dive into the world of mermaid silhouettes, you’re in the right place. From the moment you slip into a long mermaid prom dress, you’ll know you’re not just dressed—you’re transformed. The fit, the flare, the feeling of pure confidence—it all adds up to a night you’ll never forget. For inspo, style tips, and a lineup of the most jaw-dropping gowns, check out our curated collection of Mermaid Silhouette Prom Dresses to find your perfect match. Trust, your prom night glow-up starts here.