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!
$19.97 $79.90 75% off
A captivating navy blue satin dress featuring a keyhole halter neckline and mermaid silhouette.
$76.90
A navy blue mermaid formal dress featuring a chiffon tie-back and floral velvet pattern.
$79.90
A navy blue tulle A-line dress with floral embroidery and a sultry strappy back.
$109.90 - $149.90
A light blue mermaid dress with sequin-scroll mesh, featuring a V-neckline and lace-up back.
$19.97 $84.90 76% off
A royal blue mermaid dress with glitter knit fabric, strappy open back, and high front slit.
$77 $109.90 30% off
A stunning royal blue mermaid dress with sequins, adjustable straps, and a high front slit.
$19.97 $59.90 67% off
A light blue mesh formal dress with a square neckline, flexible boning, and a high side slit.
$69.90
A dazzling navy blue glitter knit formal dress with a cowl neckline and high front wrap slit.
$89.90
A sophisticated navy blue satin dress with a strapless neckline and pleated mermaid silhouette.
$79.90
A royal blue formal dress featuring a sultry lace-up back and high side slit.
$84.90
A navy blue satin formal dress with a lace-up back and high-cut front slit.
$19.97 $79.90 75% off
A light blue mesh mermaid gown with faux pearl embellishments and a flattering sweetheart cowl neckline.
$69.90
A navy blue mermaid dress with a cowl neckline, crisscross back, and dramatic high front slit.
$59.90
A navy blue strapless column dress in slinky knit fabric with pleated seams and a high side slit.
$99.90
A light blue bodycon dress with sequin-scroll pattern, draped beading, and adjustable spaghetti straps.
$129.90
An elegant navy blue ball gown featuring romantic ruffles, airy tulle, and a flattering A-line silhouette.
$64.90
A royal blue formal dress with a V-neckline, strappy back, and high side slit.
$119.90
An iridescent light blue mesh mermaid dress featuring sequin embroidery, lace-up back, and a dramatic train.
$59.90
A navy blue velvet mermaid dress with a floral pattern, sleeveless cowl neckline, and high-side slit.
$19.97 $119.90 83% off
A navy blue glitter knit formal dress featuring an off-the-shoulder neckline and mermaid silhouette.
$139.90
A stunning blue A-line formal dress with jacquard pattern, metallic stitching, and lace-up back.
$164.90
A light blue mermaid formal dress featuring a rhinestone-embellished corset and high slit.
$149.90
A stunning light blue mermaid dress with sequins, beading, and a flattering V-neckline.
$119.90
A royal blue sequin mermaid dress with a plunge V-neckline and adjustable spaghetti straps.
$59.90
A navy blue mesh mermaid dress with ruched seams and adjustable straps for formal occasions.
$89.90
A light blue glitter knit mermaid dress with ruching, a scoop neckline, and a stylish back cutout.
$19.97 $69.90 71% off
A navy blue satin glitter mermaid dress with a strapless neckline and pleated bodice.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$19.97 $64.90 69% off
A light blue mermaid dress with glitter, lace-up back, and high front wrap slit for formal events.
$59.90
A denim mesh formal dress with a sweetheart neckline, lace-up back, and flattering ruched silhouette.
$69.90
A blue floral crepe mermaid dress with a high slit, sweetheart neckline, and corset bodice.
$119.90
A royal blue A-line formal dress with a lace-up back, high slit, and hidden pockets.
$139.90
A light blue floral formal dress with romantic ruffles, sheer corset bodice, and adjustable straps.
$79.90
A light blue formal dress featuring a ruched mermaid silhouette and adjustable spaghetti straps.
$69.90
A luxurious denim satin formal dress featuring a cowl neckline, spaghetti straps, and a high slit.
$169.90
A light blue mesh mermaid dress with bead sequins, lace-up back, and 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.
$79.90
A navy blue satin formal dress with a mermaid silhouette and high front slit for elegant occasions.
$69.90
A blue glitter formal dress with a cowl neckline, high slit, and adjustable spaghetti straps.
$119.90
A royal blue sequin formal dress featuring an open back, high front slit, and mermaid silhouette.
$154.90
A stunning navy blue formal dress featuring a glittery floor-length A-line silhouette and corset bodice.
$154.90
A light blue glitter mesh formal dress featuring cascading ruffles and a high front slit.
$69.90
A navy blue satin mermaid dress featuring a cold shoulder neckline and a high front slit.
$19.97 $79.90 75% off
A royal blue glitter knit formal dress featuring a cutout design and high front slit.
$69.90
A navy blue knit mermaid dress featuring a halter square neck and strappy tie-back design.
$59.90
A captivating royal blue bodycon dress featuring a glitter knit, lace-up back, and high front slit.
$139.90
A royal blue sequin dress featuring a mermaid silhouette and an alluring open strappy back.
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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
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
Sophistication meets sultry on the Marjorie formal dress perfect for cocktail parties and dressy family get-togethers. She features sheer chiffon peasant long sleeves, a square neckline, a bodycon silhouette, and a front ruched seam leading to the skin-flaunting slit along her midi-length hem. The formal dress is composed of a lined crepe fabric with a moderate stretch. Style with a chic clutch and heels to complete the look! Fit & FeaturesSheer chiffon peasant long sleeves, square neckline, Front ruched seam, slit detail, Bodycon silhouette, Midi-length hem, Lined crepe fabric, moderate stretch, Bra-friendly design, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marjorie Formal Chiffon Sleeve Midi Dress in White | Size: S | Chiffon/Crepe Fabric
A chic staple skater dress featuring a flirty off-the-shoulder folded neckline and a short-length perfect for styling with boots or heels. Fit & FeaturesRibbed knit fabric with plenty of stretch, Off-the-shoulder neckline, fold-over accent, Long fitted sleeves, Short-length hem, Skater silhouette, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Chic Staple Ribbed Knit Skater Dress in Black | Size: M | Knit Fabric
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: L | Knit Fabric
A sparkling sequin scroll pattern adds beauty and shine to the glamorous Saige formal long dress! With a lace-up back that turns heads, a curve-hugging mermaid silhouette, and a high slit for a gorgeous look. Fit & FeaturesSequin scroll pattern, mesh fabric, stretchy full knit lining, Sleeveless plunge V-neckline, padded bust, Spaghetti straps, open lace-up back detail, Back zipper and hook-eye closure, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie events, glam functions, and parties. Free Shipping on All Orders Over $75. | Windsor Saige Formal Sequin Lace-Up Mermaid Dress in Lavender | Size: XS | Knit Fabric/Mesh Fabric/Mesh 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
Bring the romantic allure to the evening affair in the Marylou lace mesh plunge formal dress! She embodies flirtatious style in a sleeveless plunge V-neckline with a built-in padded bust and adjustable spaghetti straps on her empire waist bodice. The sparkly embroidered lace mesh fabric effortlessly flows into a floor-length silhouette with a high-side slit to showcase some legs. She also features a curve-conscious silhouette to flaunt your stunning figure! Complete the look in an elegant hair clip. Fit & FeaturesPlunge V-neckline, adjustable spaghetti straps, Adhesive bra recommended, built-in padded bust, High side slit, back zipper, hook and eye closure, Empire waist, form-fitting silhouette, Floor-length hem, Sparkly embroidered lace mesh fabric, full knit lining, moderate stretch, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marylou Lace Mesh Plunge Neck Formal Dress in Black | Size: L | Knit Fabric/Mesh Fabric/Mesh 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: 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 Brown | Size: L | 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.