Long Mermaid Dresses

Long mermaid dresses are the perfect blend of elegance and allure, designed to make you feel like the absolute queen you are. Picture yourself gliding into any event, turning heads and leaving a trail of dropped jaws in your wake. These stunning gowns hug your curves in all the right places, flaring out into an exquisite silhouette that screams sophistication with a side of sass. Whether you're gracing a gala, attending prom, or making a statement at a wedding, long mermaid dresses ensure you're the star of the show. So go ahead, let your inner siren shine and own every room you step into!

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Best Seller

$109.90 - $149.90

4.709091 star rating

A pink mermaid silhouette dress with sequin-scroll pattern, V-neckline, and lace-up back.

$74.90

4.416667 star rating

A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.

Sale

$46 $64.90 29% off

4.555555 star rating

A black crepe formal dress with puff sleeves, lace-up back, and high-cut slit for prom.

Best Seller

$119.90

4.814815 star rating

A glamorous lavender mermaid dress with sequin scrolls, lace-up back, and high slit.

$79.90

4.391305 star rating

An elegant black mermaid dress with a strapless sweetheart neckline and ruffled back accent.

$99.90

4.636364 star rating

A mint sequin scroll mermaid dress with a strappy back, perfect for prom or black-tie events.

$89.90

4.888889 star rating

A luxurious green knit mermaid dress featuring an off-the-shoulder neckline and dramatic high front slit.

Best Seller

$59.90 - $64.90

4.888889 star rating

A stunning black formal dress with a cowl neck, mermaid silhouette, and elegant lace-up back.

$79.90

4.823529 star rating

A light blue mesh mermaid gown with faux pearl embellishments and a flattering sweetheart cowl neckline.

$69.90

4.705883 star rating

A periwinkle mesh off-the-shoulder dress with ruched seams and a mermaid silhouette.

$79.90

4.529412 star rating

A red knit mermaid dress with glitter, cowl neckline, and high front slit for formal events.

Sale

$19.97 $69.90 71% off

4.3125 star rating

A daring brown satin mermaid dress featuring a backless design, high slit, and cross-back straps.

Best Seller

$69.90

4.5625 star rating

A green mermaid formal dress with a cowl neckline, crisscross back, and dramatic high front slit.

$69.90

4.466667 star rating

A mauve glitter mermaid dress with adjustable straps and a floor-length hem for formal events.

Best Seller

$59.90

4.285714 star rating

A navy blue mermaid dress with a cowl neckline and ruched mesh fabric for formal occasions.

Sale

$77 $109.90 30% off

4.416667 star rating

A stunning royal blue mermaid dress with sequins, adjustable straps, and a high front slit.

$74.90

4.583334 star rating

A red glitter knit mermaid dress with an off-the-shoulder neckline and high front wrap slit.

$69.90

4.454546 star rating

A pink glitter knit mermaid dress with a lace-up back and high front slit.

$89.90

4.090909 star rating

A glamorous burgundy mermaid dress with glitter knit fabric, ruching, and a stylish back cutout.

Sale

$19.97 $54.90 64% off

4.363637 star rating

A sleek black mermaid dress featuring a sheer lace one-shoulder neckline and fitted long sleeve.

$59.90

4.6 star rating

A lavender floral mesh mermaid dress with a lace-up back, high slit, and cowl neckline.

$84.90

5 star rating

A sage sequin formal dress featuring a one-shoulder design and a mermaid silhouette.

$69.90

4.25 star rating

A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.

$84.90

4.857143 star rating

A chic green mermaid dress with cutout details, sweetheart neckline, and thigh-high side slit.

$69.90

4.666667 star rating

A burgundy mermaid dress with a lace-up back, floral lace trim, and flattering ruching.

$84.90

4.833334 star rating

A black satin glitter mermaid dress with a cowl neck, adjustable straps, and a high front slit.

$79.90

5 star rating

A black flocked velvet mermaid dress with a bustier bodice and adjustable spaghetti straps.

$69.90

5 star rating

A blue floral crepe mermaid dress with a sweetheart neckline and high front slit.

$64.90

4.6 star rating

A green knit mermaid dress with a cowl neckline, spaghetti straps, and a high front slit.

$69.90

4.4 star rating

A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.

$79.90

4 star rating

A chic black mermaid dress featuring a sheer mesh corset bodice and adjustable crisscross straps.

$49.90

4.75 star rating

A chic yellow mermaid dress with a cowl neckline and adjustable spaghetti straps in stretchy knit fabric.

$64.90

3.75 star rating

A wine-colored mermaid dress with glitter knit, cowl neckline, and lace-up cross-back design.

$79.90

4.75 star rating

A mauve glitter mermaid dress with a cowl neckline, high slit, and padded bra cups.

$79.90

5 star rating

A stunning green satin mermaid dress featuring a V-neckline, high slit, and elegant train.

Sale

$63 $89.90 30% off

3.75 star rating

A green sequin mermaid dress with a boho pattern, adjustable straps, and a floor-length hem.

$74.90

3.75 star rating

A black glitter knit mermaid dress with a halter neckline and high front wrap slit.

$59.90

4 star rating

A mauve mesh mermaid dress with a sweetheart neckline, lace-up back, and elegant ruching.

$79.90

5 star rating

A glamorous gold satin mermaid dress with a sweetheart neckline and adjustable spaghetti straps.

$59.90

5 star rating

A sophisticated black mermaid dress featuring a mock neckline, high slit, and smooth knit fabric.

$89.90

4.25 star rating

A denim lace mermaid dress with a corset bodice, V-neckline, and elegant lace-up back.

$69.90

4.75 star rating

A wine-colored mermaid dress with glitter crepe fabric, cutout bodice, and high front wrap slit.

$119.90

5 star rating

An orange mermaid dress with sequin embroidery, lace-up back, and a high front slit.

$89.90

4.666667 star rating

A lavender mermaid gown with glitter lurex fabric, lace-up back, and cowl sweetheart neckline.

$69.90

4.666667 star rating

A captivating blue mermaid dress featuring glitter fabric, an open back, and a sweetheart neckline.

$99.90

4.666667 star rating

A lavender mermaid gown with glitter knit fabric, cowl neckline, and adjustable spaghetti straps.

$64.90

4.666667 star rating

A wine velvet mermaid dress with a chic ruched halter neckline and partially open back.

$119.90

4.666667 star rating

A light blue sequin mermaid dress with a lace-up back and high front slit.

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Long Mermaid Dresses
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Windsor Rowena Sequin Mermaid Dress in Navy Blue
(158) 4.734177 star rating

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
(59) 4.4576273 star rating

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

Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue
(36) 4.4166665 star rating

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: XS | Knit Fabric/Rhinestone

Windsor Lucille Formal Satin Mermaid Dress in Coral
(29) 4.827586 star rating

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: XS | Knit Fabric/Satin Fabric

Priscilla Formal Satin Strapless Mermaid Dress in Red
(23) 4.347826 star rating

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 Red | Size: S | Satin Fabric

Windsor Kathie Formal Satin One-Shoulder Dress in Gold
(21) 4.7619047 star rating

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 | Size: XS | Satin Fabric

Shay Formal Lurex Glitter Dress in Black
(20) 4.45 star rating

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 Black | Size: XL

Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Green
(18) 4.888889 star rating

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: XS | Knit Fabric

Delia Formal Cowl Neck Long Dress in Black
(18) 4.888889 star rating

Flattery will get you everywhere in the Delia formal long dress that boasts a flattering mermaid silhouette with a high front slit for effortless allure all evening! Fit & FeaturesLined smooth knit fabric, moderate stretch, Sleeveless cowl neck, pleating, Spaghetti straps, lace-up back, Mermaid silhouette, High front slit, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, engagement parties, rehearsal dinners, milestone celebrations, dinner parties, dressy date nights Free Shipping on All Orders Over $75. | Windsor Delia Formal Cowl Neck Long Dress in Black | Size: XS | Knit Fabric

Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Sage
(17) 4.7058825 star rating

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, dressed up events Free Shipping on All Orders Over $75. | Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Sage | Size: XS | Knit Fabric/Mesh Fabric/Mesh Fabric

Long Mermaid Dresses

Dive deep into the enchanting world of long mermaid dresses, where every swirl feels like a step closer to a fairytale. Picture this: you, in a stunning Gwendolyn Glitter Knit Bow-Back Mermaid Dress from Windsor, making an entrance that leaves everyone absolutely spellbound. These dresses aren’t just garments; they’re a ticket to feeling like a siren of the sea, with curves hugged and silhouettes dramatically flared at the hem to mimic the mystical mermaid’s tail. Whether it’s the allure of a prom night, the charm of a formal dinner, or the magic of a wedding reception, a Windsor mermaid dress is your go-to for making those heads turn and hearts flutter.

Now, imagine the fabric of your dress catching the light as you glide across the room – that’s the power of a mermaid dress from Windsor. These gowns are designed not just for the look but for the experience. They’re crafted for those who don’t just walk into a room, but who make an entrance. If you're gearing up for a season of unforgettable events, a mermaid dress is your secret weapon. Spring weddings, graduation balls, or any place where you need to channel your inner glamour goddess, these dresses ensure you shine. And let’s not forget about those special moments that call for an iconic black dress. For those, you’ll want to explore our Black Mermaid Gowns, where elegance meets timeless sophistication.

Choosing the right long mermaid dress involves a sprinkle of boldness and a dash of your personal style essence. Consider the venue and the vibe of the event. Is it a candlelit evening affair or a daytime celebration by the ocean? Each setting might inspire a different hue or fabric, pushing you towards shimmering sequins under starry skies or breezy chiffon by seaside sunsets. And remember, the best accessory for your mermaid dress isn’t just a clutch or a pair of heels—it’s your confidence. Wear it like you own it, because, girl, when you step out in a mermaid dress Windsor, you’re not just dressed, you’re making a statement. So embrace the enchantment, feel the fabric, live the fairytale, and let every step in your mermaid dress be a step into your very own story of magic and allure.