Mermaid Prom Dresses

Shop mermaid prom dresses at ONTOEFY for a dramatic, hourglass silhouette. A fitted bodice hugs the waist and hips before flaring at the knee, creating a red-carpet look for prom photos.

Our collection includes satin and chiffon mermaid gowns with corset bodices, draped details, high slits, and lace-up backs. Choose black, red, burgundy, navy, emerald, and sage. Sizes 2-28, with custom sizing on selected styles.

Explore all prom dresses, corset prom dresses, or ball gown prom dresses.

Compare silhouettes in our mermaid vs ball gown guide.


I’m absolutely in love with my hoco dress! The quality is amazing, the fabric is soft and comfortable, and the fit is perfect. It’s stylish, flattering, and looked stunning at the dance. I got so many compliments all night long. Shipping was fast, and it’s totally worth the price. Highly recommend!
—— Mia S.

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Floral floor-length prom dress, front view showing the a-line silhouette
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Floral Draped Flower-Applique Floral Sweetheart A-Line Floor-Length Tulle Prom Dress for Evening Banquet

$102.99
Tahiti floor-length prom dress, front view showing the mermaid silhouette
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Tahiti Corset Beaded Slit Sweetheart Mermaid Floor-Length Satin Prom Dress for Awards Dinner

$116.99
Olive Green floor-length prom dress, front view showing the mermaid silhouette
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Ruched Draped Slit Sweetheart Mermaid Floor-Length Satin Prom Dress for Black Tie Event

$99.99
Blush Pink maxi prom dress, front view showing the mermaid silhouette
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Blush Pink Draped Side-Slit Ruffled Slit Off Shoulder Mermaid Maxi Satin Prom Dress for Gala

$96.99$110.99
Magenta maxi prom dress, front view showing the mermaid silhouette
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Magenta Ruched Draped Floral Slit One Shoulder Mermaid Maxi Satin Prom Dress for Prom Night

$93.99
Grape maxi prom dress, front view showing the mermaid silhouette
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Grape Draped Sequin V Neck Mermaid Maxi Velvet Prom Dress for Ballroom Event

$118.99
Black maxi prom dress, front view showing the mermaid silhouette
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Black Ruched Draped Slit Sweetheart Mermaid Maxi Satin Prom Dress for Evening Ceremony

$115.99
Red maxi prom dress, front view showing the mermaid silhouette
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Red Ruched Draped Slit Cowl Neck Mermaid Maxi Satin Prom Dress for Formal Reception

$98.99
Dark Navy maxi prom dress, front view showing the mermaid silhouette
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Dark Navy Draped Beaded V Neck Mermaid Maxi Prom Dress for Hotel Gala

$112.99
Dusty Blue maxi prom dress, front view showing the a-line silhouette
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Dusty Blue Ruched Draped Slit Sweetheart A-Line Maxi Satin Prom Dress for Charity Ball

$95.99
Black maxi prom dress, front view showing the mermaid silhouette
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Black Draped Bow One Shoulder Mermaid Maxi Satin Prom Dress for Winter Formal

$109.99
Royal Blue maxi prom dress, front view showing the mermaid silhouette
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Draped Bow V Neck Mermaid Maxi Satin Prom Dress for Senior Prom

$106.99
Magenta maxi prom dress, front view showing the a-line silhouette
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Ruched Draped Slit Sweetheart A-Line Maxi Satin Prom Dress for Evening Banquet

$103.99
Dark Green maxi prom dress, front view showing the mermaid silhouette
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Ruched Draped Ruffled Slit V Neck Mermaid Maxi Satin Prom Dress for Prom Night

$94.99
Light Blue floor-length prom dress, front view showing the mermaid silhouette
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Light Blue Bow Backless V Neck Mermaid Floor-Length Stretch Satin Prom Dress for Special Occasion

$91.99
Dark Navy maxi prom dress, front view showing the mermaid silhouette
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Dark Navy Ruched Draped Slit Square Neck Mermaid Maxi Satin Prom Dress for Ballroom Event

$119.99
Dark Green maxi prom dress, front view showing the a-line silhouette
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Dark Green Ruched Draped Slit Sweetheart A-Line Maxi Satin Prom Dress for Celebration Dinner

$102.99$125.00
Burgundy maxi prom dress, front view showing the mermaid silhouette
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Burgundy Draped Beaded Plunging Neckline Mermaid Maxi Prom Dress for Evening Ceremony

$116.99
Black maxi prom dress, front view showing the mermaid silhouette
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Black Draped Corset Sweetheart Mermaid Maxi Prom Dress for Formal Reception

$99.99
Black maxi prom dress, front view showing the mermaid silhouette
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Black Ruched Draped Slit Sweetheart Mermaid Maxi Satin Prom Dress for Hotel Gala

$113.99
Dark Blue maxi prom dress, front view showing the mermaid silhouette
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Dark Blue Ruched Draped Slit Sweetheart Mermaid Maxi Satin Prom Dress for Charity Ball

$96.99
Pearl Pink floor-length prom dress, front view showing the mermaid silhouette
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Pearl Pink Corset Beaded Slit Strapless Mermaid Floor-Length Satin Prom Dress for Senior Prom

$107.99
Pearl Pink floor-length prom dress, front view showing the mermaid silhouette
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Pearl Pink Beaded Crystal Slit Off Shoulder Mermaid Floor-Length Satin Prom Dress for Red Carpet Event

$90.99
Dark Navy floor-length prom dress, front view showing the a-line silhouette
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Dark Navy Beaded Sequin Slit V Neck A-Line Floor-Length Prom Dress for Evening Banquet

$104.99

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