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.


Ich bin absolut verliebt in mein Homecoming-Kleid! Die Qualität ist fantastisch, der Stoff ist weich und bequem und die Passform ist perfekt. Es ist stilvoll, vorteilhaft geschnitten und sah auf dem Tanzabend einfach umwerfend aus. Ich habe den ganzen Abend so viele Komplimente bekommen. Der Versand war schnell und es ist den Preis absolut wert. Sehr zu empfehlen!
—— Mia S.

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Peach floor-length prom dress, front view showing the mermaid silhouette
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Sage Green floor-length prom dress, front view showing the mermaid silhouette
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Navy Blue floor-length prom dress, front view showing the mermaid silhouette
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Black floor-length prom dress, front view showing the mermaid silhouette
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Fuchsia floor-length prom dress, front view showing the mermaid silhouette
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Black floor-length prom dress, front view showing the mermaid silhouette
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Royal Blue floor-length prom dress, front view showing the mermaid silhouette
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Burgundy floor-length prom dress, front view showing the mermaid silhouette
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Dark Navy floor-length prom dress, front view showing the mermaid silhouette
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Burgundy floor-length prom dress, front view showing the a-line silhouette
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Grape floor-length prom dress, front view showing the mermaid silhouette
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Gold floor-length prom dress, front view showing the mermaid silhouette
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Champagne floor-length prom dress, front view showing the mermaid silhouette
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Red floor-length prom dress, front view showing the mermaid silhouette
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Gold floor-length prom dress, front view showing the mermaid silhouette
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Black floor-length prom dress, front view showing the mermaid silhouette
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Black floor-length prom dress, front view showing the mermaid silhouette
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Ocean Blue floor-length prom dress, front view showing the mermaid silhouette
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Royal Blue floor-length prom dress, front view showing the mermaid silhouette
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Burgundy floor-length prom dress, front view showing the mermaid silhouette
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