I’m obsessed with my dress from Ontoefy! Fabric is premium chiffon, cutting perfectly flatters my figure, exactly matches website photos. Fast shipping and reliable custom size service. Will repurchase formal dresses here again.
— Chloe Wilson, USA

Sort by:
Rose Gold floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Sequin Slit V Neck Mermaid Floor-Length Prom Dress for Evening Event

$105.99
This floor-length prom dress features a v neckline and the mermaid silhouette. It is offered in Black, Rose Gold, Royal Blue, and Red for evening event and other formal occasions....
Magenta floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Ruched Glitter Slit Cowl Neck Mermaid Floor-Length Velvet Prom Dress for Gala

$94.99
This floor-length prom dress is made in velvet and features a cowl neckline and the mermaid silhouette. It is offered in Black, Deep Purple, Dark Green, Powder Blue, Red, Royal...
Champagne floor-length prom dress, front view showing the a-line silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Beaded Embroidered V Neck A-Line Floor-Length Tulle Prom Dress for Prom Night

$91.99
This floor-length prom dress is made in tulle and features a v neckline and the a-line silhouette. It is offered in Blush Pink and Champagne for prom night and other...
Champagne floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Floral Embroidered V Neck Mermaid Floor-Length Tulle Prom Dress for Special Occasion

$119.99
This floor-length prom dress is made in tulle and features a v neckline and the mermaid silhouette. It is offered in Champagne, Black, and Emerald Green for special occasion and...
Light Blue floor-length prom dress, front view showing the a-line silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Corset Floral Slit Sweetheart A-Line Floor-Length Tulle Prom Dress for Special Occasion

$102.99
This floor-length prom dress is made in tulle and features a sweetheart neckline and the a-line silhouette. It is offered in Light Blue, Light Pink, and Sage Green for special...
Rose Gold floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Corset Cut-Out Sweetheart Mermaid Floor-Length Prom Dress for Celebration Dinner

$99.99
This floor-length prom dress features a sweetheart neckline and the mermaid silhouette. It is offered in Black, Emerald Green, and Rose Gold for celebration dinner and other formal occasions. Features:...
Burgundy floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Sequin Slit Square Neck Mermaid Floor-Length Satin Prom Dress for Evening Ceremony

$113.99
This floor-length prom dress is made in satin and features a square neckline and the mermaid silhouette. It is offered in Burgundy, Dark Green, and Royal Blue for evening ceremony...
Black floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Ruched Slit Sweetheart Mermaid Floor-Length Satin Prom Dress for Ballroom Event

$116.99
This floor-length prom dress is made in satin and features a sweetheart neckline and the mermaid silhouette. It is offered in Black, Red, Royal Blue, Burgundy, Dusty Rose, Emerald Green,...
Champagne floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Embroidered Sequin Slit V Neck Mermaid Floor-Length Prom Dress for Charity Ball

$93.99$117.99
This floor-length prom dress features a v neckline and the mermaid silhouette. It is offered in Silver, Champagne, and Rose Gold for charity ball and other formal occasions. Features: *Available...
Dusty Blue floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Beaded Embroidered Sweetheart Mermaid Floor-Length Tulle Prom Dress for Formal Reception

$96.99
This floor-length prom dress is made in tulle and features a sweetheart neckline and the mermaid silhouette. It is offered in Rose Gold and Dusty Blue for formal reception and...
Blue floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Backless V Neck Mermaid Floor-Length Satin Prom Dress for Hotel Gala

$110.99
This floor-length prom dress is made in satin and features a v neckline and the mermaid silhouette. It is offered in Neon Green, Blue, Watermelon, and Orange for hotel gala...
Fuchsia floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Beaded Slit Sweetheart Mermaid Floor-Length Satin Prom Dress for Winter Formal

$107.99
This floor-length prom dress is made in satin and features a sweetheart neckline and the mermaid silhouette. It is offered in Black, Red, Emerald Green, Fuchsia, Champagne, Lavender, and Dusty...
Red floor-length prom dress, front view showing the a-line silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Glitter Sweetheart A-Line Floor-Length Tulle Prom Dress for Spring Formal

$90.99
This floor-length prom dress is made in tulle and features a sweetheart neckline and the a-line silhouette. It is offered in Red, Emerald Green, Fuchsia, Royal Blue, and Silver for...
Black floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Cut-Out Slit Sweetheart Mermaid Floor-Length Jersey Prom Dress for Senior Prom

$104.99$122.99
This floor-length prom dress is made in jersey and features a sweetheart neckline and the mermaid silhouette. It is offered in Black and Red for senior prom and other formal...
Black floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Draped Sequin Off Shoulder Mermaid Floor-Length Prom Dress for Red Carpet Event

$118.99
This floor-length prom dress features a off shoulder neckline and the mermaid silhouette. It is offered in Black, Dark Blue, Light Gray, Champagne, and Wine for red carpet event and...
Champagne floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Draped Sequin Slit Square Neck Mermaid Floor-Length Satin Prom Dress for Evening Banquet

$101.99
This floor-length prom dress is made in satin and features a square neckline and the mermaid silhouette. It is offered in Black, Champagne, Emerald Green, and Royal Blue for evening...
Navy Blue floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Slit Sweetheart Mermaid Floor-Length Velvet Prom Dress for Black Tie Event

$98.99
This floor-length prom dress is made in velvet and features a sweetheart neckline and the mermaid silhouette. It is offered in Burgundy, Dark Green, and Navy Blue for black tie...
Steel Blue floor-length prom dress, front view showing the mermaid silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Ruched Slit V Neck Mermaid Floor-Length Satin Prom Dress for Awards Dinner

$115.99
This floor-length prom dress is made in satin and features a v neckline and the mermaid silhouette. It is offered in Burgundy, Black, Lavender, and Steel Blue for awards dinner...
Terracotta floor-length prom dress, front view showing the a-line silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Ruched Sweetheart A-Line Floor-Length Satin Prom Dress for Pageant

$112.99
This floor-length prom dress is made in satin and features a sweetheart neckline and the a-line silhouette. It is offered in Black, Burgundy, Emerald Green, Lips, Sage Green, Vintage Mauve,...
Champagne floor-length prom dress, front view showing the a-line silhouette
US 2US 4US 6US 8US 10US 12US 14US 16WUS 18WUS 20WUS 22WUS 24WUS 26WUS 28W

Flower-Applique Floral Sweetheart A-Line Floor-Length Satin Prom Dress for Formal Dance

$109.99
This floor-length prom dress is made in satin and features a sweetheart neckline and the a-line silhouette. It is offered in Navy Blue, Vintage Mauve, and Champagne for formal dance...