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Unique Long Dresses

Browse the new collection of unique long special occasion dresses at Promfy to find styles perfect for the proms, cocktails, weddings, graduations, etc.

290 items
asymmetrical pleated dark green satin beaded prom dress
Asymmetrical Pleated Dark Green Satin Beaded Prom Dress
$265 $238.5
sparkly pink sequin bling beading mermaid prom dress
Sparkly Pink Sequin Bling Beading Mermaid Prom Dress
(1 review)
$450 $405
Gorgeous yellow velvet long train mermaid African American prom dress
Yellow Velvet Mermaid African American Prom Dress
(3 reviews)
$345 $310.5
plunging neck green abstract sequin mermaid prom dress
Plunging Neck Green Abstract Sequin Mermaid Prom Dress
$365 $328.5
one shoulder cut outs split red sequin prom dress
One Shoulder Cut-outs Split Red Sequin Prom Dress
$225 $202.5
gold sequin one side off shoulder split prom dress
Gold Sequin One Side Off-shoulder Split Prom Dress
$225 $202.5
unique abstractly patterned red sequin feather prom gown
Unique Abstractly Patterned Red Sequin Feather Prom Gown
$465 $418.5
sexy one sleeve sheer tassel lace red satin prom dress
Sexy One Sleeve Sheer Tassel Lace Red Satin Prom Dress
(1 review)
$315 $283.5
Sparkly gold sequin and black lining off the shoulder mermaid prom dress
Gold Sequin and Black Off-the-shoulder Prom Dress
(3 reviews)
$315 $283.5
dazzling royal blue sequin lace mermaid occasion dress
Dazzling Royal Blue Sequin Lace Mermaid Occasion Dress
$365 $328.5
beaded black satin strapless long train prom dress
Beaded Black Satin Strapless Long Train Prom Dress
$285 $256.5
unique orange sequin mermaid long train prom dress
Unique Orange Sequin Mermaid Long Train Prom Dress
(5 reviews)
$365 $328.5
unique nude pink ombre tulle prom ball gown
Unique Nude Pink Ombre Tulle Prom Ball Gown
$485 $436.5
Blush pink organza mermaid wedding dress with flanged ruffle rose skirt
Blush Pink Organza Ruffle Rose Skirt Wedding Dress
$480 $432
Glamorous see through red lace mermaid floor length formal dress
Glamorous See-through Red Lace Mermaid Formal Dress
(2 reviews)
$325 $292.5
Ocean blue ombre jersey strapless floor length unique bridesmaid dresses
Ocean Blue Ombre Jersey Unique Bridesmaid Dresses
$179 $161.1
Gold lace appliqued white spandex long sleeve mermaid unique prom dress
Gold Lace Appliqued White Mermaid Unique Prom Dress
$225 $202.5
Uniquely flounced puffy orange layered short sleeve prom party ball gown
Uniquely Flounced Puffy Orange Layered Ball Gown
(1 review)
$325 $292.5
black mermaid long prom dress with lace and tulle overlay illusion long sleeve
Black Mermaid Long Prom Dress Lace & Tulle Overlay
$275 $247.5
iridescent sequin baby pink and blue feather african american prom dress
Iridescent Sequin Baby Pink and Blue Feather Prom Dress
$465 $418.5
red sequin long train feathers hemline African American prom dress
Unique Red Sequin Long Train Feather Hem Prom Dress
$440 $396
unique beading tassel sparkly blue lurex mermaid long prom dress
Unique Beading Tassel Sparkly Blue Lurex Long Prom Dress
$425 $382.5
stunning cascading ruffled trumpet formal occasion dress
Stunning Cascading Ruffled Trumpet Formal Occasion Dress
$375 $337.5
Gold and black lace appliqued open back black spandex unique prom dress
Gold & Black Lace Open Back Black Unique Prom Dress
$235 $211.5
stars glitter tulle overlay lavender prom dress
Stars Glitter Tulle Overlay Lavender Prom Dress
$235 $211.5
beaded green lace and velvet long sleeve mermaid African American prom dress
Beaded Green Lace and Velvet Mermaid Prom Dress
$235 $211.5
rose gold sequin off shoulder sleeved mermaid prom dress
Rose Gold Sequin Off-shoulder Sleeved Prom Dress
(1 review)
$285 $256.5
unique sexy sheer lace wedding gown with detachable cape
Unique Sexy Sheer Lace Wedding Gown with Detachable Cape
$440 $396
Sequinned royal blue lace rosette trumpet prom gown
Sequinned Royal Blue Lace Rosette Trumpet Prom Gown
(1 review)
$385 $346.5
crystals diamonds beaded overskirt wedding dress
Crystals & Diamonds Beaded Overskirt Wedding Dress
$780 $702
Sparkly glitter beading bodice champagne tulle split unique prom gown
Sparkly Beading Champagne Tulle High Slit Prom Gown
$345 $310.5
glamorous green satin and blue lace split prom ball gown
Glamorous Green Satin & Blue Lace Split Prom Ball Gown
$325 $292.5
Gorgeous floral black lace plunging V neckline long sleeve mermaid long prom dress
Floral Black See-through Lace Mermaid Prom Dress
$325 $292.5
Dark red sequin unique neckline 2 tiered trumpet floor length prom dress
Dark Red Sequin Unique 2-tiered Trumpet Prom Dress
$325 $292.5
Amazing red and gold lace appliqued long sleeve thigh high slit prom dress
Red and Gold Lace Appliqued Thigh-Slit Prom Dress
(1 review)
$275 $247.5
Luxury crystal diamond beaded red feather mermaid prom pageant dress
Crystal Diamond Beaded Red Feather Mermaid Dress
$1200 $1080
Want to make an unforgettable entrance at your special event? You will find unique long prom dresses, floor length evening gowns, and ankle length chic pageant dresses at Promfy. You will have the choice of many different types of silhouettes: asymmetrical long formal prom dresses, alluring maxi body-hugging mermaid dresses, slim fit trumpet dresses, sheath dresses, and unique long fairy-tale ball gowns. Shop now!

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