The price range of the formal mermaid sweetheart neckline dresses is from $9.97 to $1149.00 with an average price of $181.23
Cap Sleeves Mermaid Dress
$598.00
Applique Crepe Mermaid Floral Print Dress
$59.90
One Shoulder Prom Dress
$308.00
Mermaid Velvet Dress
$69.90
Mermaid Dress With Rhinestones
$189.90
Lace Mermaid Sweetheart Dress
$54.99
Off the Shoulder Mermaid Glittering Dress
$69.90
Slit Mermaid Cold Shoulder Sleeves Dress
$62.90
Mermaid Cutout Dress
$84.90
Satin Lace-Up Dress With Pearls
$89.90
Strapless Lace Mermaid Applique Dress
$286.00
Mesh Mermaid Corset Waistline Dress
$79.90
Mermaid Crepe Ruched Dress
$59.90
Floral Print Corset Waistline Mermaid Embroidered Prom Dress
$788.00
Mermaid Corset Waistline Evening Dress
$398.00
Corset Waistline Dress With Rhinestones
$159.90
Mermaid Sweetheart Denim Dress
$159.00
Strapless High-Low-Hem Mermaid Dress
$99.90
Off the Shoulder Glittering Dress
$74.90
Mermaid Sequined Dress
$109.90
Off the Shoulder Prom Dress
$294.00
One Shoulder Prom Dress
$308.00
Mermaid Midi Dress
$9.97
Slit Chiffon Off the Shoulder Mermaid Dress
$150.00
| 
Formal