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Mermaid Prom Dresses

Shop Custom-Size Mermaid Prom Dresses at Anneprom

Turn heads and own the room in a stunning mermaid prom dress from Anneprom. Our collection of custom-size mermaid prom dresses features dramatic, figure-hugging silhouettes that hug your curves from the bodice to the knee before flaring out into a gorgeous fluted skirt — the ultimate showstopper look for prom night.

Every mermaid prom dress is made to your exact measurements for a fit that feels like it was sculpted just for you. Choose from lace, chiffon, sequin, and satin fabrics in a wide range of colors.

Popular Mermaid Prom Dress Styles:

  • Lace mermaid prom dresses — romantic and intricate
  • Sequin mermaid prom dresses — glamorous and dazzling
  • Backless mermaid prom dresses — bold and unforgettable
  • Chiffon mermaid prom dresses — elegant and flowing
  • Beaded mermaid prom dresses — luxurious and eye-catching

The mermaid silhouette is perfect for girls who want to make a dramatic, confident statement on prom night. Browse our full collection and find the mermaid dress that makes you feel like the star you are.

Purple evening gown on a mannequin against a white wall.

Purple Mermaid Sweetheart Off Shoulder Prom Dress, Satin Long Evening Dress APP1326
Anneprom Trendy Royal Blue V neck Long Sleeve Mermaid Plus Size Sequined Prom Dress APP0580

Anneprom Trendy Royal Blue V neck Long Sleeve Mermaid Plus Size Sequined Prom Dress APP0580
Anneprom Royal Blue Floor Length Off Shoulder Prom Dresses Evening Dresses APP0238

Anneprom Royal Blue Floor Length Off Shoulder Prom Dresses Evening Dresses APP0238
Light blue evening gown on a mannequin against a gray wall.

Elegant Off Shoulder Mermaid Evening Gown in Shimmering Gray Blue with Corset Back APP1371
Pink evening gown on a mannequin against a black background

Pink Sequin Mermaid Evening Gown with Draped Satin Overlay and Corset Back APP1365
Unique Mermaid Satin Pink Long Prom Dress, Pink Party Dress APP1358

Unique Mermaid Satin Pink Long Prom Dress, Pink Party Dress APP1358
Black evening gown on a mannequin against a white wall

Simple Mermaid Sweetheart Floor Length Black Prom Dress, Party Dress APP1351
Silver sequin evening gown on a mannequin against a white curtain background

Silver Mermaid Sequins Spaghetti Straps Pleats Prom Dress APP1350
Elegant silver evening gown on a mannequin against a black background

Gray Blue Strapless Sequin Mermaid Evening Gown with Ruffled Tulle Cape APP1348
Woman in a blue lace evening gown on a beach

Mermaid Cowl Neck Spaghetti Strap Floor Length Prom Dresses with Floral Sequin APP1342
Red evening gown on a mannequin in front of a piano

Burgundy Off Shoulder Taffeta Prom Gown ,Vintage Ruffle Mermaid Gown with Bow APP1340
Navy blue evening gown with white lace details on a mannequin in a store setting.

Mermaid Sweetheart Floor Length Lace Dark Blue Prom Dress APP1339
Blue evening gown on a mannequin against a black background

Mermaid Off Shoulder Satin Floor Length Dark Blue Prom Dress APP1337
Woman wearing a blue evening gown with a slit, standing against a white curtain.

Blue Strapless Satin Mermaid Long Prom Dresses With Slit, Long Evening Dress APP1329
Red evening gown with beaded details on a mannequin against a white background

Burgundy Beaded Mermaid Tulle Prom Dress with Sheer Corset APP1315
Woman wearing a silver off-shoulder gown standing in front of a window with blinds.

Blue Off Shoulder Prom Dress, Mermaid Long Satin Party Dress APP1308
Pink evening gown on a mannequin against a gray background

Mermaid Sweetheart Neck Sweep Train Pink Prom Dress with Beads APP1295
Woman wearing a burgundy evening gown with large floral sleeves in an elegant interior setting.

Mermaid Sweetheart Sweep Train Satin Puff sleeves Burgundy Prom Dress APP1284
Sparkly Black Evening Gown, Off Shoulder Mermaid Prom Party Dress APP1282

Sparkly Black Evening Gown, Off Shoulder Mermaid Prom Party Dress APP1282
Pink evening gown on a mannequin against a neutral background

Mermaid Off Shoulder Satin Floor Length Pink Prom Dress with Beads APP1277
Red evening gown on a mannequin with gloves against a white background

Wine Red Sequins Mermaid Straps Long Formal Dress, Beaded Prom Dress APP1246
Mermaid Velvet Dark Blue Long Prom Dress, Long Formal Dress APP1232

Mermaid Velvet Dark Blue Long Prom Dress, Long Formal Dress APP1232
Pink evening gown with gold accents on a mannequin against a white background

Simple Off Shoulder Sequin Mermaid Pink Prom Dress, Pink Long Formal Dress APP1228
Red evening gown on a mannequin against a white background

Mermaid V Neck Burgundy Long Prom Dress, Burgundy Long Formal Dress APP1223