Low Back Mermaid Dresses

Low Back Mermaid Dresses are your ticket to turning heads and leaving a little mystery in your wake. When you want to bring all the drama and none of the stress, these curve-hugging stunners have your back—well, almost. Show off that fearless side with jaw-dropping silhouettes and a low back that says you’re here for a good time (and maybe a little mischief). Whether it’s prom night, a glam event, or just because you feel like being unforgettable, Low Back Mermaid Dresses are ready to make every entrance your main character moment.

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$19.97 $79.90 75% off

4.5 star rating

A black glitter mermaid dress with an open strappy back and floor-length silhouette.

$69.90

4.7 star rating

A striking red knit mermaid dress featuring a halter V-neckline and dramatic strappy open back.

$64.90

4.8 star rating

A navy blue knit mermaid dress featuring a cowl neckline, spaghetti straps, and an open tie-back design.

$69.90

4.333334 star rating

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

$84.90

4.583334 star rating

A mauve glitter knit mermaid dress featuring a bow-back accent, backless design, and floor-length train.

$89.90

3.4 star rating

A stunning black sequin glitter dress with a sheer corset bodice and mermaid silhouette.

Sale

$19.97 $79.90 75% off

4 star rating

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

$69.90

5 star rating

A black lace mermaid dress featuring a halter plunge neckline and a dramatic low strappy back.

$74.90

4.636364 star rating

A burgundy knit mermaid dress featuring a V-neck, tie-back halter straps, and a high front slit.

$109.90

4.726191 star rating

A chic navy blue mermaid dress with sequins, a square neckline, and a thigh-high slit.

$109.90 - $149.90

4.573034 star rating

A light blue mermaid dress with sequin-scroll mesh, featuring a V-neckline and lace-up back.

$119.90

4.735294 star rating

A lavender sequin mermaid dress with a lace-up back, perfect for prom and formal events.

$49.90

4.827586 star rating

A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.

$99.90

4.652174 star rating

A mint mermaid dress with sequin scrolls, strappy back, and padded bust for elegant occasions.

$69.90

4.772728 star rating

A burgundy knit formal dress with a lace-up back, ruching, and a mermaid silhouette.

$89.90

4.25 star rating

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

Sale

$15.97 $69.90 77% off

4.454546 star rating

A pink glitter knit mermaid dress featuring a lace-up back, V-neckline, and high front slit.

Sale

$19.97 $99.90 80% off

4.7 star rating

A sage mermaid formal dress featuring a halter V-neckline and elegant tie-back design.

$64.90

5 star rating

A sleek black knit mermaid dress featuring a scoop neckline, open back, and high front slit.

$79.90

4.875 star rating

A glamorous black glitter mermaid dress featuring an open back and high front slit.

$69.90

4.5 star rating

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

$99.90

5 star rating

A coral sequin formal dress with a lace-up back, high slit, and floor-length mermaid silhouette.

Sale

$19.97 $74.90 73% off

4.5 star rating

A black glitter knit mermaid dress with a lace-up back and flattering V-neckline.

$119.90

4.75 star rating

An iridescent light blue mesh mermaid dress featuring sequin embroidery, lace-up back, and a dramatic train.

Sale

$19.97 $69.90 71% off

5 star rating

A coral glitter formal dress with a lace-up back and curve-hugging mermaid silhouette.

$64.90

4.666667 star rating

A red floral lace mermaid dress featuring a sleeveless cowl neckline and dramatic open-back design.

$99.90

5 star rating

A dazzling denim sequin formal dress featuring a cutout open back and mermaid silhouette.

$79.90

4 star rating

A black satin formal dress featuring an open strappy back and elegant mermaid silhouette.

$49.90

5 star rating

A wine-colored knit midi dress featuring a low open back, statement bow, and ruffled hem.

Sale

$19.97 $99.90 80% off

5 star rating

A stunning black sequin formal dress with a mermaid silhouette and low-cut back.

$79.90

5 star rating

A blue floral mermaid dress with a halter V-neckline and partially open back for formal events.

Sale

$19.97 $69.90 71% off

2.333333 star rating

A stunning red mermaid dress featuring a sultry open back and high front slit.

Sale

$19.97 $69.90 71% off

A stunning red velvet mermaid dress with an open back and adjustable spaghetti straps.

$119.90

A pink sequin formal dress with a cutout back and mermaid silhouette for glamorous events.

$129.90

A pink sequin-embellished mesh formal dress with a lace-up back and high front slit.

$69.90

A royal blue glitter knit mermaid dress featuring a cowl neckline, lace-up back, and high front slit.

$59.90

A navy blue mesh mermaid dress featuring a backless design, cowl neckline, and elegant ruching detail.

$59.90

A navy blue knit mermaid dress featuring a lace-up back, square neckline, and floor-length hem.

Sale

$19.97 $129.90 85% off

A stunning black lace mermaid dress with a V-neckline and low back for formal occasions.

$59.90

A black glitter knit midi dress featuring a bodycon fit, low back, and statement bow detail.

$89.90

4.785714 star rating

An ivory satin formal dress with a plunge halter neckline and lace-up open back.

$159.90

4.711865 star rating

A red strapless mermaid dress featuring a lace corset bodice and high front wrap slit.

$84.90

4.673077 star rating

A stunning red satin column dress featuring a lace-up back, cowl neck, and high front slit.

Sale

$46 $64.90 29% off

4.578948 star rating

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

$89.90

4.84 star rating

A black off-the-shoulder mermaid dress in luxurious knit fabric with a dramatic high front slit.

$59.90

4.615385 star rating

A black crepe mermaid dress with a square halter neckline and elegant high front slit.

Sale

$19.97 $64.90 69% off

3.5 star rating

A black taffeta skater dress featuring a low back bow and elegant square neckline.

Sale

$14.97 $59.90 75% off

4.714286 star rating

A black glitter mermaid dress with a lace-up back and high-low ruffled hem.

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Windsor Mayra Formal Satin Slit Long Dress in Sage
(176) 4.619318 star rating

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

Windsor Sasha Formal High Slit Wrap Dress in Black
(171) 4.5847955 star rating

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

Marissa Formal Satin Cowl Neck Dress in Green
(169) 4.5680475 star rating

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

Windsor Rowena Sequin Mermaid Dress in Navy Blue
(168) 4.7261906 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 Cheyenne Formal One-Shoulder Velvet Dress in Black-2
(124) 4.782258 star rating

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

Addison Glitter Mesh Formal Dress in Black
(113) 4.628319 star rating

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

Bethanie Formal Sequin V-Neck Mermaid Dress in Yellow
(89) 4.573034 star rating

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

Windsor Alisha Rhinestone Strap Formal Dress in Black
(84) 4.6309524 star rating

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

Windsor Jamie Lace-Up Satin Formal Column Dress in Red
(70) 4.785714 star rating

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

Rose Formal Mesh Corset Column Dress in Green
(67) 4.447761 star rating

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

Low Back Mermaid Dresses

When you slip into a low back mermaid dress, you’re not just getting dressed—you’re making an entrance. These curve-loving stunners are the ultimate confidence boosters, designed for the girls who want to wow the room and leave a little mystery in their wake. With their iconic silhouette that hugs every curve and flares just at the right moment, mermaid dresses are pure magic for proms, black-tie weddings, and glam nights out. The low back detail? That’s the plot twist everyone remembers. Whether you’re the main character at your own celebration or showing up as the best-dressed plus one, these dresses are all about spotlight moments. Picture yourself gliding across the dance floor, the room catching just a flash of that open-back drama as you turn. It’s the kind of look that turns heads, starts conversations, and has everyone asking, “Who is she?”—even if you’re just grabbing another slice of cake.

Consider this your permission slip to go bold. Low back mermaid dresses are made for the girls who aren’t afraid to own the night (or day, because who says sparkle has a curfew?). They’re a killer choice for milestone birthdays, sorority formals, or any event where you want to channel that red carpet energy. And let’s be real—these dresses also make unforgettable gifts for your ride-or-die bestie, your sister, or anyone who deserves a little extra glam in their life. If you’re shopping for yourself, think about what makes you feel unstoppable: is it a touch of shimmer, luxe satin, or a dramatic train that trails behind you like a secret? If you’re gifting, imagine their face lighting up as they unwrap a dress that says, “You’re the moment.” And don’t forget to factor in the little details—adjustable straps, hidden zippers, and just the right amount of stretch can take your look from “cute” to “can’t-stop-staring.” Pro tip: keep your accessories simple and let the back do the talking, or go full glam with chandelier earrings and a swipe of bold lipstick.

Ready to find your dream dress? Whether you’re manifesting a night to remember or just want to feel like your most fearless self, low back mermaid dresses are your secret weapon. From slinky and sultry to classic and chic, there’s a style for every vibe and every body. And if you’re craving even more inspo—or just want to see what other jaw-dropping options are out there—check out our curated collection of Low Back Dresses for even more ways to make your next event unforgettable. This is your moment, babe. Own it, flaunt it, and let that low back do all the talking.

Top Picks For Low Back Mermaid Dresses