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Mermaid Prom Dresses

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1059 Item

Andrea and Leo A1519 Blue front view fully beaded strapless sweetheart mermaid gown with boned corset bodice and crisscross lace-up back for evening formal eventAndrea and Leo A1519 Blue back view beaded crisscross lace-up closure on fitted mermaid trumpet gown with sweep train for formal evening events gala

Andrea and Leo A1519

Strapless Sweetheart Fully Beaded Mermaid Gown with Train
Sale price$ 8,900
Color
Ladivine CC0688 Gold strapless beaded hot-stone mermaid gown with sweetheart neckline, prom gownLadivine CC0688 Gold beaded mermaid gown with open back and sweep train, back view evening gown

Ladivine

Style CC0688
Sale price$ 8,494
Color
+2
Portia and Scarlett PS22538 in PinkPortia and Scarlett PS22538 Red

Portia and Scarlett

Style PS22538
Sale price$ 10,119
Color
+4
Ladivine CD659 navy prom off-shoulder sweetheart neckline beaded lace mermaid gown with 3D floral appliqués and bell sleeves front view formal prom gownLadivine CD659 navy prom structured lace fitted back with upper back exposure sweep train detail back view evening gown
Color
SaleMac Duggal 27874 black prom gown front view with stretch jersey fitted mermaid silhouette and velvet halter bow formal prom gownMac Duggal 27874 black prom gown back view with fully open back halter tie and fitted trumpet skirt evening gown

Mac Duggal 27874

Halter Velvet Bow Trumpet Mermaid Jersey Gown with Sweep Train
Sale price$ 11,108 Regular price$ 14,196 21% Off
Color
Jessica Angel 2532 SeafoamJessica Angel 2532 Seafoam

Jessica Angel

Style 2532
Sale price$ 9,604
Color
SaleMac Duggal 11851 Deep Green one-shoulder mermaid gown front view with 3D beaded floral appliqués on shoulder strap and sleek jersey skirt formal prom gown, evening readyMac Duggal 11851 Deep Green open-back mermaid trumpet gown back view showing fully bare back to below waistline evening gown for gala

Mac Duggal 11851

One-Shoulder Beaded Floral Mermaid Trumpet Gown with Sweep Train
Sale price$ 11,108 Regular price$ 14,196 21% Off
Color
Ellie Wilde EW38135 Red prom dress front view with stone-embellished jersey, sweetheart neckline, fitted mermaid silhouette, a stunning formal prom gown.Ellie Wilde EW38135 Red prom dress back view with stone-embellished jersey, open back and train, fitted mermaid silhouette, an elegant evening gown.

Ellie Wilde EW38135

Sweetheart Mermaid Gown with Stone-Embellished Jersey
Sale price$ 9,144
Color
Portia and Scarlett PS25301 Blue and Blush Pink front editorial view fully beaded glitter halter mermaid gown with court train, formal prom gownPortia and Scarlett PS25301 Blush Pink back view fully beaded glitter open-back halter mermaid prom gown with boning and court train, evening gown

Portia and Scarlett

Style PS25301
Sale price$ 11,785
Color
Ellie Wilde EW37127 Purple Rain prom dress front view with sequin lace, sweetheart corset bodice, mermaid trumpet silhouette, formal prom gownEllie Wilde EW37127 Purple Rain prom dress back view showing crisscross open back lace-up closure, fully beaded sequin lace, sweep train, evening gown

Ellie Wilde EW37127

Sequin Lace Mermaid Trumpet Corset Gown with Sweep Train
Sale price$ 9,198
Color
La Femme 32872 RedLa Femme 32872 Yellow

La Femme

Style 32872
Sale price$ 6,245
Color
+2
Jovani D5302 Light BlueJovani D5302 Fuchsia

Jovani

Style D5302
Sale price$ 11,393
Color
Sherri Hill 57761 Pink prom gown front view with satin fabric, 3D rosette floral appliqués at hem, strapless mermaid trumpet silhouette, formal prom gownSherri Hill 57761 Pink prom gown back view with open back, satin fabric, sweeping train, mermaid trumpet silhouette, evening gown

Sherri Hill 57761

Strapless Mermaid Trumpet Gown with Floral Appliqués
Sale price$ 13,153
Color
+5
Jovani 43577 TealJovani 43577 Hot Pink

Jovani

Style 43577
Sale price$ 10,986
Color
Portia and Scarlett PS25154 light blue prom gown front view with fully sequined paillette fabric, sweetheart corset bodice, mermaid trumpet silhouette, formal prom gownPortia and Scarlett PS25154 light blue prom gown back view with open back, spaghetti straps, fully sequined mermaid skirt with train, evening gown

Portia and Scarlett

Style PS25154
Sale price$ 13,546
Color
+2
Jessica Angel 2541 FuchsiaJessica Angel 2541 Fuchsia

Jessica Angel

Style 2541
Sale price$ 18,138
Color
Mac Duggal 79252 vintage lilac front view fitted mermaid prom gown with floral lace appliqués, beading, sweetheart neckline, sweep train, formal prom gownMac Duggal 79252 vintage lilac back view illusion back mermaid prom gown with beaded lace, spaghetti straps, sweep train, evening gown

Mac Duggal 79252

Floral Lace Beaded Mermaid Gown with Sweep Train
Sale price$ 24,207
Color
La Femme 32217 Royal BlueLa Femme 32217 Royal Blue

La Femme

Style 32217
Sale price$ 8,250
Color
Mac Duggal 9911810P Black petite prom gown with jersey fabric, 3D beaded floral appliqué at one shoulder, mermaid trumpet silhouette, front view, formal prom gownMac Duggal 9911810P Black petite prom gown with structured jersey, covered mid-back zip closure, fitted mermaid silhouette, back view, evening gown

Mac Duggal 9911810P

Petite One-Shoulder Floral Mermaid Jersey Gown
Sale price$ 13,018
Color
Ellie Wilde EW38015 Royal Blue prom dress front view with glitter beaded jersey, v-neck, fitted mermaid silhouette, formal prom gown.Ellie Wilde EW38015 Royal Blue prom dress back view with glitter beaded jersey, open-back design, sweep train silhouette, evening gown.

Ellie Wilde EW38015

Beaded Glitter Knit V-Neck Open-Back Gown with Sweep Train
Sale price$ 11,365
Color
Portia and Scarlett PS25150 Lilac Silver and Pink Silver front prom gown with lace beaded crystal vine mermaid silhouette sweetheart neckline formal prom gownPortia and Scarlett PS25150 Black Silver back prom gown with lace beaded open back crystal straps mermaid silhouette evening gown

Portia and Scarlett

Style PS25150
Sale price$ 12,314
Color
+4
Ellie Wilde EW37005 Dark Purple Multi front view floral print mermaid prom gown with hot-stone bodice, v-neckline with straps, formal prom gownEllie Wilde EW37005 Magenta Multi back view open back mermaid prom gown with floral border print skirt and train sweep, evening gown

Ellie Wilde EW37005

Floral Print Mermaid Gown with Hot-Stone Bodice
Sale price$ 8,927
Color
Jessica Angel 2560 BlackJessica Angel 2560 Black

Jessica Angel

Style 2560
Sale price$ 14,725
Color
Jovani 42600 Orange/LilacJovani 42600 Royal

Jovani

Style 42600
Sale price$ 13,072
Color
Sherri Hill 57986 Red prom gown front view with stretch jersey fabric, lace sweetheart neckline, boned corset bodice, mermaid silhouette, formal prom gownSherri Hill 57986 Red prom gown back view showing fully open back, boned corset channels, sweep train, mermaid silhouette, evening gown

Sherri Hill 57986

Strapless Sweetheart Mermaid Gown with Lace Corset
Sale price$ 12,246
Color
+9
La Femme 32897 BronzeLa Femme 32897 Black

La Femme

Style 32897
Sale price$ 6,773
Color
Portia and Scarlett PS25169 Cobalt strapless sweetheart beaded corset mermaid trumpet prom gown with glitter tulle skirt and rhinestone embellishment front view formal prom gownPortia and Scarlett PS25169 Black Emerald Champagne-Beige strapless beaded mermaid prom gown editorial view multiple colorways glitter tulle skirt pageant evening gown

Portia and Scarlett

Style PS25169
Sale price$ 13,546
Color
+1
Elizabeth K GL3614 ChampagneElizabeth K GL3614 Champagne

Elizabeth K

Style GL3614
Sale price$ 6,557
Color
Mac Duggal 2408 Chocolate front view formal gown with beaded jersey bodice, deep V-neckline, fitted mermaid silhouette, evening gownMac Duggal 2408 Chocolate back view formal gown with beaded jersey straps, dramatic open V-back, mermaid trumpet silhouette, black-tie event dress
Color
La Femme 32918 RedLa Femme 32918 Red

La Femme

Style 32918
Sale price$ 7,532
Color
Mac Duggal 56232 Black Ivory front view off-shoulder scoop-neck stretch jersey mermaid gown with ivory knotted drape for formal galaMac Duggal 56232 Black Ivory back view off-shoulder draped jersey mermaid gown with sweeping ivory overlay for black-tie event styled for formal
Color
Ellie Wilde EW36013 Black prom dress front view beaded mermaid trumpet gown with sweetheart neckline boning crisscross back and sweeping train formal prom gownEllie Wilde EW36013 Black prom dress back view showing crisscross lace-up open back with all-over rhinestone beading and sweep train evening gown

Ellie Wilde EW36013

Beaded Mermaid Trumpet Gown with Sweetheart Bodice
Sale price$ 10,824
Color
+4
Portia and Scarlett PS25190 Pink and Ivory front editorial view fully beaded strapless sweetheart corset mermaid gown with sweep train formal prom gownPortia and Scarlett PS25190 Gold back view fully sequined open-back strapless mermaid prom gown with boned corset bodice and sweep train evening gown

Portia and Scarlett

Style PS25190
Sale price$ 12,314
Color
+2
Ellie Wilde EW37085 Ivory Petal front view strapless mermaid prom gown with beaded lace floral appliqués illusion corset bodice and tulle train formal prom gownEllie Wilde EW37085 Ivory Petal back view illusion back panel sheer mesh with lace and beading mermaid trumpet prom gown evening gown silhouette

Ellie Wilde EW37085

Strapless Mermaid Gown with Illusion Corset Bodice
Sale price$ 10,824
Color
Ladivine CZ0029 Gold beaded mermaid gown with V-neckline, mother of the bride gownLadivine CZ0029 Navy beaded fitted gown with cap sleeves, back view wedding guest gown

Ladivine

Style CZ0029
Sale price$ 9,225
Color
Jovani 43189 MintJovani 43189 Mint

Jovani

Style 43189
Sale price$ 14,088
Color
May Queen RQ8164 ChampagneMay Queen RQ8164 Champagne

May Queen

Style RQ8164
Sale price$ 10,038
Color
La Femme 32920 BlackLa Femme 32920 Black

La Femme

Style 32920
Sale price$ 7,153
Color
Portia and Scarlett PS25199 Seagreen prom dress with sequin tulle, 3D floral beaded appliqués, boned sweetheart corset bodice, mermaid silhouette, front view, formal prom gownPortia and Scarlett PS25199 Seagreen prom dress open crisscross lace-up back, sequin tulle and beaded floral detail, mermaid sweep train, back view, evening gown

Portia and Scarlett

Style PS25199
Sale price$ 11,433
Color
Jovani D5301 Light-BlueJovani D5301 Light-Blue

Jovani

Style D5301
Sale price$ 11,393
Color
Mac Duggal 2253 Evening Dress - Coral - ABMac Duggal 2253 Evening Dress - Coral - BK

Mac Duggal 2253

Evening Dress Coral
Sale price$ 11,149
Color
La Femme 32973 Light BlueLa Femme 32973 Light Blue

La Femme

Style 32973
Sale price$ 6,394
Color
SaleMac Duggal 68983 Black prom one-shoulder sweetheart velvet mermaid trumpet gown with 3D floral appliqués, structured bodice, front view, formal prom gownMac Duggal 68983 Black prom full open back velvet mermaid gown with center zipper, one-shoulder floral strap, back view, evening gown

Mac Duggal 68983

One-Shoulder Velvet Mermaid Trumpet Gown with Floral Appliqués
Sale price$ 14,664 Regular price$ 18,260 19% Off
Color
Ellie Wilde EW37209 Emerald front view prom gown with allover beaded lace, illusion V-neckline, fitted mermaid silhouette, formal prom gownEllie Wilde EW37209 Emerald back view prom gown with open lace-up crisscross back, beaded lace mermaid silhouette, evening gown

Ellie Wilde EW37209

Lace Illusion Mermaid Gown with Beading & Train
Sale price$ 10,824
Color
Portia and Scarlett PS25172 Blue AB prom gown front view strapless sweetheart beaded lace mermaid silhouette formal prom gownPortia and Scarlett PS25172 Pink AB prom gown back view open back beaded lace mermaid with train evening gown

Portia and Scarlett

Style PS25172
Sale price$ 12,314
Color
Ellie Wilde EW37116 Black prom dress front view with full beading on mesh, deep v-neck mermaid silhouette, formal prom gownEllie Wilde EW37116 Black prom dress back view with completely open back, thin spaghetti straps, fully beaded mermaid evening gown

Ellie Wilde EW37116

Fully Beaded Mermaid Gown with Sweep Train with Open Back
Sale price$ 13,533
Color
Jovani D5079 Hot-PinkJovani D5079 Hot-Pink

Jovani

Style D5079
Sale price$ 10,214
Color
Ellie Wilde EW38082 Light Pink halter sweetheart fully beaded mermaid prom gown with sequin embellishment, open back, and sweep train, front view, formal prom gownEllie Wilde EW38082 Light Pink prom dress back view, fully beaded mermaid gown with open back down to the waist and halter neck tie, evening gown

Ellie Wilde EW38082

Halter Sweetheart Fully Beaded Mermaid Gown with Train
Sale price$ 12,259
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