Floor Length Blue Dresses
Looking to channel your inner goddess? Floor length blue dresses are here to make you feel like the queen you truly are. Whether you're strutting into a gala, making waves at a wedding, or simply owning the night, these stunning silhouettes have got your back. With shades that range from dreamy sky blues to deep ocean hues, there's a perfect match for every mood and moment. So go ahead, let those floor-sweeping beauties do the talking while you dance through life with confidence and flair!
$69.90
A light blue mermaid dress with glitter, lace-up back, and high front wrap slit for formal events.
$159.90
A light blue strapless formal dress with beaded mesh, high slit, and form-hugging silhouette.
$89.90
A light blue glitter knit mermaid dress with ruching, a scoop neckline, and a stylish back cutout.
$109.90 - $149.90
A light blue mermaid dress with sequin-scroll mesh, padded bust, and lace-up back for formal events.
$84.90
A navy blue satin formal dress with a lace-up back and high-cut front slit.
$74.90
A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.
$79.90
A light blue mesh mermaid gown with faux pearl embellishments and a flattering sweetheart cowl neckline.
$77 $109.90 30% off
A royal blue mermaid dress with sequin scrolls, adjustable straps, and a high front slit.
$69.90
A captivating blue mermaid dress featuring glitter fabric, an open back, and a sweetheart neckline.
$99.90
A light blue mermaid dress with sequin embroidery, cutout back, and high front slit.
$99.90
A stunning light blue formal dress with rhinestones, featuring a strapless neckline and cowl back design.
$149.90
A light blue column dress with sequin beaded mesh, adjustable straps, and a high side slit.
$74.90
A navy blue glitter knit one-shoulder dress with a high slit and floor-length silhouette.
$59.90
A denim mesh formal dress with a sweetheart neckline, lace-up back, and flattering ruched silhouette.
$109.90
A chic navy blue mermaid dress with sequins, featuring a lace-up back and thigh-high slit.
$109.90
An elegant navy blue satin gown with cold shoulder design, front slit, and hidden side pockets.
$99.90
A light blue bodycon dress with sequin-scroll pattern, draped beading, and adjustable spaghetti straps.
$89.90
A navy blue bodycon dress with glitter polka dots, lace-up back, and adjustable spaghetti straps.
$89.90
A shimmering navy blue A-line dress with a sleeveless cowl neckline and high-cut front slit.
$59.90
A navy blue strapless column dress in slinky knit fabric with pleated seams and a high side slit.
$69.90
A navy blue satin glitter mermaid dress with a strapless neckline and pleated bodice.
$129.90
An elegant navy blue ball gown featuring romantic ruffles, airy tulle, and a flattering A-line silhouette.
$64.90
A royal blue satin formal dress featuring a lace-up back, high slit, and slim silhouette.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$59.90
A light blue mesh formal dress with a square neckline, flexible boning, and a high side slit.
$79.90
A royal blue satin mermaid dress with a strappy open back and high front slit.
$59.90
A navy blue formal dress with a cowl neckline, lace-up back, and high front slit.
$54.90
A navy blue sleeveless formal dress with a cowl neckline and slim floor-length silhouette.
$79.90
A navy blue mermaid dress with a glittery finish, lace-up back, and high front slit.
$69.90
A blue floral crepe mermaid dress with a high slit, sweetheart neckline, and corset bodice.
$99.90
A navy blue velvet mermaid dress with sequin embroidery and an open lace-up back.
$64.90
A royal blue formal dress with a V-neckline, strappy back, and high side slit.
$139.90
A light blue floral formal dress with romantic ruffles, sheer corset bodice, and adjustable straps.
$89.90
A chic strapless mermaid dress in blue satin with a pleated bodice and high front slit.
$76.90
A navy blue mermaid formal dress featuring a chiffon tie-back and floral velvet pattern.
$169.90
An elegant navy blue A-line dress adorned with glitter and sequins, featuring a sheer corset bodice.
$99.90
A navy blue mermaid gown with glitter knit fabric, cowl neckline, and adjustable spaghetti straps.
$89.90
A sophisticated navy blue satin dress with a strapless neckline and pleated mermaid silhouette.
$119.90
A light blue sequin mermaid dress with a lace-up back and high front slit.
$154.90
A light blue formal dress with beaded sequins, cowl neckline, and a high slit for elegance.
$69.90
A luxurious denim satin formal dress featuring a cowl neckline, spaghetti straps, and a high slit.
$59.90
A navy blue satin A-line formal dress featuring flutter short sleeves and a high front slit.
$59.90
A navy blue satin formal dress with a strapless neckline, padded cups, and a high wrap slit.
$59.90
A navy blue mesh mermaid dress featuring cap sleeves, ruched sides, and a lace-up back detail.
$149.90
A stunning light blue mermaid dress with sequins, beading, and a flattering V-neckline.
$79.90
A royal blue glitter formal dress featuring a strappy open back and high front slit.
$69.90
A navy blue velvet mermaid dress with a corset bodice and lace-up back design.
$29.97 $89.90 67% off
A light blue sequin formal dress featuring a lace-up back, high slit, and mermaid silhouette.
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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
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! Make your entrance in this floor-length gown designed to turn heads with a curve-flaunting mermaid fit and backless design. Fit & FeaturesGlitter knit fabric, moderate stretch, Square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout, Where to Wear:Weddings, black tie galas, formal dances, big birthday events, rehearsal dinners, engagement parties, red carpet occasions, upscale glam parties Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black | Size: S | Knit Fabric
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
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 Sage | Size: L | 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 Brown | Size: M | Knit Fabric
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, and dressy date nights. Free Shipping on All Orders Over $75. | Windsor Delia Formal Cowl Neck Long Dress in Mauve | Size: XL | Knit 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
Prepare to make a grand entrance in the Ashelyn glitter long formal dress looking like a true masterpiece for prom or special birthday events! Her luxurious knit fabric boasts a mesmerizing glitter pattern, while the side ruching and mermaid silhouette accentuate your curves while the high front slit shows off your shoes of the night. The cowl neckline and padded bra cups offer a flattering and comfortable fit. Style this formal gown with glam earrings and a hair accessory for a stunning look all evening! Fit & FeaturesGlitter pattern, knit fabric lined with jersey knit, Padded bra cups, Adjustable spaghetti straps, High front slit, Back zipper and hook-eye closure, Mermaid silhouette, floor-length, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black | Size: XS | Knit Fabric
Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure. Fit & FeaturesStretchy satin-knit fabric, lined bust, Spaghetti straps, V-neckline, Lace-up back, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas, weddings, bridesmaids, formal parties, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Emmie Lace-Up Mermaid Satin Formal Dress in Sage | Size: XS | Satin Fabric
Floor Length Blue Dresses
When you’re chasing that main character energy, nothing sets the scene quite like a blue floor length dress. These show-stopping pieces are for the girls who know how to own every entrance, whether you’re gliding into a formal gala, strutting through a bestie’s wedding, or making prom night legendary. A long blue dress isn’t just a style choice—it’s a whole mood, serving elegance with a side of confidence. Think about how the soft sweep of a light blue floor length dress looks as you move across the dance floor, or the way a deep navy catches the light when you’re posing for pics with your crew. Blue is the color of calm, confidence, and just a hint of mystery—basically, everything you want to channel when the spotlight finds you. And let’s be real, there’s something about a blue dress long enough to graze the floor that instantly makes you feel like you’ve got your life together (even if your group chat knows otherwise).
If you’re shopping for a blue floor length dress, it’s all about finding your vibe and matching it to the moment. Love that fairytale energy? Go for a ling blue dress with dreamy tulle or flowy chiffon—perfect for twirling under string lights or making your date’s jaw drop. Want to serve sleek sophistication? A fitted long blue dress with a dramatic slit or bold neckline brings the heat and keeps all eyes on you. Don’t sleep on the details, either—think delicate straps, open backs, or even a little sparkle to catch the flash in every photo. These dresses are made for more than just one night. They’re the go-to for bridesmaids who want to look stunning without upstaging the bride, for grads who want to make their walk unforgettable, or for anyone who believes every celebration deserves a little extra glam. And if you’re looking to surprise your bestie or your sister with a gift that’ll have her screaming in the group chat, a blue dress long enough to make her feel like royalty is always a win.
From that first try-on moment to the last dance of the night, a floor length blue dress is your secret weapon for unforgettable memories. The right shade of blue flatters every skin tone, and the length brings instant drama—no extra effort required. Whether you’re after a light blue floor length dress for those soft, ethereal vibes or a bold sapphire for full-on queen energy, you’ll find a style that feels like it was made just for you. If you’re planning for an epic prom night, don’t miss out on the curated picks at Long Blue Prom Dresses—it’s where all your dream-dress fantasies come true. The best part? You get to keep the memories (and the killer selfies) long after the last song plays. So slip into that blue floor length dress, let the compliments roll in, and remember: you’re not just attending the party—you are the party.