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Mermaid Prom Dresses

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1059 Item

SaleMac Duggal 2260 Navy Blue front view high-neck beaded mermaid gown in stretch jersey with scattered crystal embellishments, formal prom gownMac Duggal 2260 Navy Blue back view fully covered high-back mermaid gown with scattered beading and sleeveless clean armholes, evening gown, styled for prom

Mac Duggal 2260

High-Neck Beaded Mermaid Jersey Gown with Beading
Sale priceFrom $ 7,857 Regular price$ 9,279 15% Off
Color
Clarisse 811236 Navy Blue frontClarisse 811236 Navy Blue back
Color
Ladivine CT264 dusty pink V-neck beaded tulle mermaid corset gown with straps and crisscross back — soft hazy blush-rose plus-size  front view of the floor-length formal and wedding guest evening dress with trainLadivine CT264 dusty pink — rear-facing view of the crisscross back straps and beaded tulle mermaid gown in the soft blush-rose tone, designed for upscale formal black tie and wedding-reception events
SaleAndrea & Leo A1493Andrea & Leo A1493

Andrea and Leo

Andrea & Leo A1493
Sale price$ 5,351 Regular price$ 9,564 44% Off
Color
Faviana 11225 Electric Blue side view v-neck satin-finish jersey mermaid gown with ruched open backFaviana 11225 Electric Blue alternate view v-neck satin-finish jersey mermaid gown with ruched open back
Color
+4
SaleMay Queen MQ2123 BlackMay Queen MQ2123 Black

May Queen

Style MQ2123
Sale price$ 3,549 Regular price$ 6,611 46% Off
Color
Ellie Wilde EW38208 Dusk sequin mermaid prom dress front view with mesh and jersey, floral appliques, illusion corset bodice, sweetheart neckline, formal prom gown.Ellie Wilde EW38208 Dusk sequin mermaid prom dress back view with mesh and jersey, illusion back, boned corset bodice, floral appliques, evening gown.

Ellie Wilde EW38208

Sequin Mermaid Gown with Illusion Corset Bodice
Sale price$ 10,498
Color
+1
Mac Duggal 9949454P emerald petite fitted mermaid gown front view with stretch jersey fabric, bow shoulder strap detail, v-neckline, evening gownMac Duggal 9949454P emerald petite mermaid gown back view with covered mid-back zipper closure, stretch jersey, sleek fitted silhouette, formal prom gown styled for evening nights

Mac Duggal 9949454P

Petite Fitted Mermaid Jersey Gown with Bow Strap
Sale price$ 5,568
Color
Ellie Wilde EW38013 Red prom dress front view with fully-beaded sequin mesh, sweetheart neckline, fitted mermaid silhouette, formal prom gown with corset back and train.Ellie Wilde EW38013 Red prom dress back view with fully-beaded sequin mesh, corset back closure, fitted mermaid silhouette, pageant-ready gown with sweeping train.

Ellie Wilde EW38013

Strapless Sweetheart Sequin Mermaid Gown with Corset Back
Sale price$ 11,365
Color
+2
LaDivine T721 light yellow off-shoulder beaded chiffon mermaid gown — luminous pastel-yellow front viewLaDivine T721 light yellow — rear-facing view of the off-shoulder mermaid gown with chiffon flare at the hem
Color
Ellie Wilde EW36004 rose gold prom gown side view with beaded illusion bodice, sweetheart neckline, open back, mermaid silhouette, formal prom gownEllie Wilde EW36004 rose gold prom gown back view showing fully open back with spaghetti straps, beaded illusion bodice, sweep train, evening gown
Color
+5
SaleAndrea and Leo A1421Andrea and Leo A1421

Andrea and Leo

Style A1421
Sale price$ 5,825 Regular price$ 10,228 43% Off
Color
Ladivine CDS557 dusty pink strapless sweetheart beaded tulle mermaid corset gown with crisscross back — hazy blush-rose front view of the fitted prom and engagement formalLadivine CDS557 dusty pink — rear-facing view of the crisscross back straps and beaded tulle mermaid train in the soft blush-rose tone
Color
Ellie Wilde EW36003 Dusk prom dress front view with floral sequin beading, illusion boned bodice, sweetheart neckline, mermaid silhouette, formal prom gownEllie Wilde EW36003 Dusk prom dress back view showing fully open back, illusion boned bodice, sequin beading, sweep train, evening gown

Ellie Wilde EW36003

Sequin Beaded Mermaid Gown with Illusion Bodice
Sale price$ 10,824
Color
+10
Ladivine CH2602 burgundy prom strapless corset mermaid gown in satin with boning and sweep train, front view, formal evening gownLadivine CH2602 burgundy prom lace-up corset back mermaid gown in satin with metal-eyelet closure, back view, evening gown

Ladivine CH2602

Strapless Corset Mermaid Gown with Sweep Train Gown
Sale price$ 2,046
Color
+2
Ellie Wilde EW36008 Emerald mermaid prom gown front view with floral lace appliqués over tulle, illusion corset bodice, sweetheart neckline, formal prom gownEllie Wilde EW36008 Emerald mermaid prom gown back view showing full lace-up crisscross open back with beaded train, evening gown

Ellie Wilde EW36008

Mermaid Lace Illusion Corset Gown with Beaded Train
Sale price$ 9,740
Color
+6
Ladivine J871 Black Gold embellished beaded mermaid gown, prom gownLadivine J871 Black Gold beaded mermaid gown with open back, back view pageant gown

Ladivine

Style J871
Sale price$ 4,511
Color
+11
Ellie Wilde EW38026 Sea Glass prom dress front view with fully beaded jersey, floral appliques, strapless sweetheart neckline, fitted mermaid silhouette, stunning gala gown.Ellie Wilde EW38026 Sea Glass prom dress back view with beaded jersey, corset back, floral appliques, fitted mermaid silhouette, elegant formal prom gown.

Ellie Wilde EW38026

Beaded Sweetheart Mermaid Gown with Corset Back
Sale price$ 11,365
Color
SaleLadivine CD766 silver nude spaghetti strap rhinestone sweetheart sheer corset mermaid gown — front viewLadivine CD766 silver nude rhinestone gown — back view of the sheer corset and fitted mermaid silhouette

Ladivine CD766

Spaghetti Strap Rhinestone Sweetheart Sheer Corset Sheath Gown
Sale price$ 5,324 Regular price$ 9,510 44% Off
Color
Ellie Wilde EW38202 Apricot prom dress front view with tulle and lace, floral appliqués on boned corset bodice, fitted mermaid silhouette, formal prom gown.Ellie Wilde EW38202 Apricot prom dress back view with lace and tulle, crisscross corset back and sweep train, fitted mermaid silhouette, evening gown.
Color
SaleLadivine CD776 red V-neck crystal lace mermaid gown with open V-back — vibrant front view evening lookLadivine CD776 red crystal lace mermaid gown — rear view of the open V-back and floor-length train

Ladivine CD776

V-Neck Crystal Lace Mermaid Gown with Open V-Back
Sale price$ 5,107 Regular price$ 8,656 41% Off
Color
+1
Ellie Wilde EW38223 Sage prom dress front view with glitter tulle, lace floral appliqués, sweetheart neckline, fitted mermaid silhouette, formal prom gown.Ellie Wilde EW38223 Sage prom dress back view with lace appliqués, crisscross corset back with boning, fitted mermaid silhouette, evening gown.
Color
SaleAndrea and Leo A1429Andrea and Leo A1429

Andrea and Leo

Style A1429
Sale price$ 4,471 Regular price$ 7,844 43% Off
Color
La Femme 30746 AquaLa Femme 30746 Aqua

La Femme

Style 30746
Sale price$ 5,256
Color
Ellie Wilde EW37042 Dusk front view strapless sweetheart sequin mermaid prom gown with floral appliqué beading open back and sweep train formal evening gownEllie Wilde EW37042 Dusk back view open back full-length sequin mermaid prom gown with floral bead appliqués structured sweetheart bodice and sweep train evening gown

Ellie Wilde EW37042

Sequin Floral Appliqué Strapless Mermaid Gown with Train
Sale price$ 10,824
Color
+7
SaleAndrea and Leo A1388Andrea and Leo A1388

Andrea and Leo

Style A1388
Sale price$ 4,024 Regular price$ 6,828 41% Off
Color
Ellie Wilde EW38213 Emerald prom dress front view with glitter tulle, lace appliqués, mermaid silhouette, and sweetheart neckline — a formal prom gown.Ellie Wilde EW38213 Emerald prom dress back view with glitter tulle, crisscross open back, mermaid silhouette, and a sweeping train — an evening gown.

Ellie Wilde EW38213

Glitter Tulle Mermaid Gown with Lace Appliqués
Sale price$ 11,365
Color
SaleLadivine CDS527 spaghetti strap cut glass beaded sheer corset sheath gown — main front view prom lookLadivine CDS527 cut glass beaded mermaid gown — angled view highlighting the sweetheart bodice and tulle skirt

Ladivine CDS527

Spaghetti Strap Cut Glass Beaded Sheer Corset Sheath Gown
Sale price$ 3,157 Regular price$ 5,852 46% Off
Color
Ellie Wilde EW35010 Strawberry front view sweetheart mermaid prom gown with beaded lace floral appliqués boning sweep train formal prom gownEllie Wilde EW35010 Strawberry back view sweetheart mermaid prom gown with open lace-up back sweep train evening gown

Ellie Wilde EW35010

Sweetheart Mermaid Lace Beaded Gown with Train
Sale price$ 9,740
Color
+15
Ladivine J916 espresso prom front view fitted mermaid gown with satin fabric, beaded bust accents, off-shoulder sweetheart neckline, draped overskirt, formal prom gownLadivine J916 espresso prom back view fitted mermaid gown with satin fabric, boned corset lace-up back, draped overskirt train, evening gown
Color
Ellie Wilde EW38138 Wine prom dress front view with glitter lace and tulle, floral appliques, fitted mermaid silhouette, formal prom gown.Ellie Wilde EW38138 Wine prom dress back view with mesh illusion corset back, beading and train, fitted mermaid silhouette, gala gown.
Color
Ladivine CC385 Silver strapless fully sequined mermaid gown with sweetheart neckline, prom gownLadivine CC385 Silver sequined mermaid gown with sweep train, back view evening gown

Ladivine

Style CC385
Sale price$ 5,338
Color
Ellie Wilde EW35011 Cerulean Blue prom dress front view with sequin floral mesh mermaid silhouette deep V-neckline spaghetti straps and sweep train formal prom gownEllie Wilde EW35011 Cerulean Blue prom dress back view with fully open back crisscross lace-up strap closure sequin floral mermaid silhouette and sweep train evening gown

Ellie Wilde EW35011

Deep V-Neck Sequin Floral Mermaid Gown with Train
Sale price$ 10,824
Color
+8
La Femme 32932 Dark TealLa Femme 32932 Royal Blue

La Femme

Style 32932
Sale price$ 6,015
Color
SaleAndrea and Leo A1365Andrea and Leo A1365

Andrea and Leo

Style A1365
Sale price$ 5,825 Regular price$ 9,875 41% Off
Color
May Queen MQ2136 SageMay Queen MQ2136 Sage

May Queen

Style MQ2136
Sale price$ 4,132
Color
Ladivine CD655 navy prom strapless sweetheart mermaid gown in floral brocade with boned corset bodice, swept train, front view, formal prom gownLadivine CD655 navy prom open-back mermaid trumpet gown in floral brocade with visible boning channels, fully open back view, evening gown
Color
SaleAndrea and Leo MA101Andrea and Leo MA101

Andrea and Leo

Style MA101
Sale price$ 5,148 Regular price$ 11,704 56% Off
Color
May Queen MQ2134 BlackMay Queen MQ2134 Black

May Queen

Style MQ2134
Sale price$ 5,175
Color
SaleLadivine CD798 Black off-shoulder mermaid satin gown with beaded lace corset bodice, prom gownLadivine CD798 Black mermaid satin gown with sweep train, back view evening gown

Ladivine

Style CD798
Sale price$ 3,116 Regular price$ 5,473 43% Off
Color
Faviana 11427 Ink Blue prom dress with jersey and beaded floral appliqués, deep v-neck mermaid silhouette, front view, formal prom gownFaviana 11427 Ink Blue prom dress with open crisscross back and beaded floral appliqués, fitted mermaid silhouette, back view, evening gown
Color
Ladivine CD791 Burgundy Red strapless ruched jersey gown with sweep train, wedding guest gownLadivine CD791 Black fitted strapless jersey gown with sweetheart bodice, evening gown

Ladivine

Style CD791
Sale price$ 2,669
Color
+10
La Femme 33558La Femme 33558

La Femme

Style 33558
Sale price$ 9,794
Color
Ladivine CD790C Burgundy off-shoulder jersey mermaid gown with high slit, mother of the bride gownLadivine CD790C Smoky Blue off-shoulder ruched jersey gown with sweep train, prom gown

Ladivine

Style CD790C
Sale price$ 2,804
Color
+1
Portia and Scarlett PS26000 pink floral prom gown front view with floral satin, boned sweetheart corset bodice, mermaid silhouette, formal prom gownPortia and Scarlett PS26000 pink floral prom gown back view with open back, spaghetti straps, sweep train, evening gown

Portia and Scarlett PS26000

Floral Satin Mermaid Corset Gown with Train
Sale price$ 7,166
Color
SaleLadivine CC2397 Smoky Blue fitted mermaid satin gown with sweetheart corset bodice, prom gownLadivine CC2397

Ladivine

Style CC2397
Sale price$ 2,439 Regular price$ 4,985 51% Off
Color
+4
Andrea and Leo A1513 champagne beige multi front strapless sweetheart mermaid gown with pink floral sequin embroidery on tulle fully beaded bodice and skirt formal prom gownAndrea and Leo A1513 champagne beige multi back crisscross lace-up open back mermaid gown with boned corset and floral sequin embroidery train evening gown, prom gown

Andrea and Leo A1513

Strapless Sweetheart Mermaid Sequin Floral Gown
Sale price$ 5,771
Color
Elizabeth K GL3627 PeachElizabeth K GL3627 Peach

Elizabeth K

Style GL3627
Sale price$ 4,958
Color

Shop mermaid prom dresses 2027 from Marlas Fashions, the Toronto flagship that ships designer dresses worldwide. 650+ mermaid prom dresses from Ellie Wilde, Mac Duggal, Ladivine, Jessica Angel, Sherri Hill and La Femme, with new 2027 arrivals and best sellers first. Chosen for prom, grad, formals and winter formals. Shipped worldwide from Toronto, free over $250 across Canada and the USA, with a price-match guarantee and easy returns.

Mermaid Prom Dresses 2027

Marlas Fashions is one of North America's largest designer dress destinations: a 10,000 sq. ft. flagship showroom with over 8,000 dresses in Toronto, Canada, more than 100,000 clients styled, more than 500,000 followers across our social platforms, and an online store that ships to every province in Canada, all 50 US states and worldwide. This page holds 672 mermaid prom dresses from Ellie Wilde, Mac Duggal, Ladivine, Jessica Angel, Sherri Hill and La Femme, priced from $129 to $1,924 CAD with most between $129 and $662. Every dress is an authentic designer style bought directly from the designer, never a replica.

New mermaid prom dresses for 2027

76 new 2027 mermaid prom dresses have landed this season from Ellie Wilde, Mac Duggal, Sherri Hill and Ladivine. They sit first in the grid, followed by proven best sellers, so the first pages are always the newest and strongest styles.

Mermaid Prom Dresses for every occasion

These mermaid prom dresses are chosen for prom, grad, formals and winter formals. Customers most often shop them for prom, evening events, formal events, wedding guests and galas. The most-stocked looks are mermaid, fitted, jersey, open-back, beaded and simple, and the colours customers ask for most are blue, green, pink, hot pink, black and red. Use the filters to narrow by designer, colour, size, length, neckline, fabric and price, or start from the tiles above.

Shipping worldwide from Toronto

Marlas Fashions ships mermaid prom dresses worldwide with tracked delivery. In Canada, orders ship free over $250 to Toronto, Vancouver, Montreal, Calgary, Ottawa and Edmonton and every province, priced in Canadian dollars. In the United States, shop in USD with free shipping over $250 to New York, Los Angeles, Chicago, Houston, Miami and Dallas and every state. International customers check out in CAD or USD and receive the same price-match guarantee and easy returns. Need it fast? Our Toronto team confirms stock and ship dates by phone, text or WhatsApp before you order.

Sizes and fit

Most mermaid prom dresses run from size 00 to 16, with 384 styles in plus sizes up to 24 or 26 and 3 petite styles. Each product page shows that designer's size chart; measure bust, waist and hips and compare, because formal sizing differs from everyday clothing. Our stylists confirm sizing by phone, text or WhatsApp.

Why shop mermaid prom dresses at Marlas Fashions

  • One of North America's largest designer dress destinations: 672 mermaid prom dresses online and thousands more in our Toronto flagship.
  • Authorized retailer for Ellie Wilde, Mac Duggal, Ladivine, Jessica Angel, Sherri Hill and La Femme: authentic current-season styles, never replicas.
  • Worldwide shipping with tracked delivery, free on orders over $250 across Canada and the USA.
  • A price-match guarantee and easy returns, with stylists available by phone, text and WhatsApp.
  • More than 100,000 clients styled and more than 500,000 followers across our social platforms.

Frequently Asked Questions