An Unforgettable Mermaid Prom Dress for Your Most Special Occasions

This sweetheart satin mermaid prom dress is designed for women who want to make a lasting impression at prom, a wedding, a formal gala, or any special evening occasion. The iconic trumpet mermaid silhouette hugs the body from the bodice through the hips before dramatically flaring at the hem, creating one of the most universally flattering and glamorous dress shapes available. From the moment you walk into the room, this floor-length gown commands attention with its elegant lines, lustrous satin fabric, and exquisite beaded detail.

Design Details That Elevate the Look

The sweetheart neckline is one of the most beloved necklines in formal fashion because it beautifully frames the décolletage and draws attention to the face and shoulders in the most flattering way possible. A built-in bra provides additional support and comfort without the need for additional undergarments, making this dress as practical as it is stunning. Intricate tatting-crafted beading decorates the bodice and adds a layer of luxurious detail that catches the light beautifully whether you are standing under a chandelier or posing for photographs outdoors. The natural waistline sits at the body's most flattering point, enhancing the hourglass shape of the mermaid silhouette.

Fabric and Construction

Crafted from a high-quality polyester satin fabric, this gown offers the luminous, smooth finish of traditional satin with the durability and ease of care that polyester provides. The fabric drapes beautifully along the body, following the curves of the mermaid silhouette with elegance and precision. The sleeveless construction keeps the look clean and sophisticated while allowing full freedom of movement throughout the evening. A dramatic sweep train trails gracefully behind you as you walk, adding a bridal-inspired touch of grandeur that is perfect for prom nights and formal wedding celebrations alike.

The Split and Train — Drama Done Right

The split detail on this gown adds a bold, fashion-forward element that balances the elegance of the mermaid silhouette with a touch of confident glamour. Whether you are dancing at prom or making your entrance at a wedding reception as a guest, the split allows for comfortable, unrestricted movement while adding visual interest from every angle. The sweep train completes the look with a formal, runway-inspired finish that photographs magnificently and feels extraordinary to wear.

Styling This Gown

For prom, pair this gown with strappy metallic heeled sandals, a delicate crystal pendant necklace, and an elegant updo to let the sweetheart neckline shine. For a wedding as a guest, choose soft nude or champagne heels, subtle pearl or crystal jewelry, and a small embellished clutch. The satin finish of this dress pairs beautifully with metallic and crystal accessories and looks equally stunning in warm candlelight and bright outdoor photography.

Sizing and Care

This gown is available across a full size range to ensure every woman finds her perfect fit. Please refer to the detailed size chart and measure your bust, waist, and hip before selecting your size. For care, dry clean only is recommended to preserve the satin finish and beading detail.

SPECIFICATIONS

Silhouette: Trumpet / Mermaid

Neckline: Sweetheart

Sleeve Length: Sleeveless

Dress Length: Floor Length

Train: Sweep Train

Waistline: Natural

Style: Split

Fabric Type: Satin

Material: Polyester

Decoration: Beading

Craft of Weaving: Tatting

Built-in Bra: Yes

Occasion: Prom, Wedding Guest, Formal Evening, Gala, Black Tie

Age Group: All Ages / Adult

Care Instructions: Dry clean recommended

Please Note: In order to get the correct size please measure and pick your size according to your body’s measurements. Do not go by the size that you may be used to. For example do not pick your size by 6, 8, 10, etc., instead match your body's measurements with the measurements shown in CM/Inch.

If your measurement is between 2 sizes choose the larger size.

Size Chart (Inches):

Size        Bust       Waist     Hip         Hollow to Hem

2              32.68     25.59     35.83     57.87

4              33.07     26.77     36.22     57.87

6              34.65     27.56     37.80     59.06

8              35.43     28.35     38.58     59.06

10           36.61     29.53     39.76     59.84

12           38.19     31.10     41.34     59.84

14           39.37     32.68     42.91     61.02

14 W      40.94     33.86     43.31     61.02

16           40.94     33.86     44.09     61.02

16W       42.91     36.22     45.67     61.02

18 W      44.88     38.58     47.64     61.02

20W       46.85     40.94     49.61     61.02

22W       48.82     42.91     51.57     61.02

24W       51.18     45.28     53.54     61.02

26W       53.15     47.64     55.51     61.02

Size Chart (cm):

Size        Bust       Waist     Hip         Hollow to Hem

2              83           65           91           147

4              84           68           92           147

6              88           70           96           150

8              90           72           98           150

10           93           75           101         152

12           97           79           105         152

14           100         83           109         155

14 W      104         86           110         155

16           104         86           112         155

16W       109         92           116         155

18 W      114         98           121         155

20W       119         104         126         155

22W       124         109         131         155

24W       130         115         136         155

26W       135         121         141         155

Please allow 2-3 cm error due to manual measurement.

Also note: Due to different monitors on different devices the color may be slightly different than what is shown.