Grab your Halloween saving now.
Women's Halloween Mermaid Costume Dress with Sequins and Strapless Sweetheart Neckline
Halloween Sale: Up to 50% OFF on selected products.
Women's Halloween Mermaid Costume Dress with Sequins and Strapless Sweetheart Neckline
Free shipping
Availability may change at any time. To be sure, contact the store before purchasing.
Product not available in Dublin. (only available online)
This womens mermaid costume delivers an instant magical transformation with its shimmering sequined bodice and flowing fishtail silhouette. Crafted from quality materials including metallic fabrics and organza, the strapless mermaid dress features a sweetheart neckline and lace-up corset back for a flattering, theatrical look. Perfect for Halloween parties, costume events, masquerades, and fantasy-themed celebrations, it's designed to turn heads indoors at any festive gathering.
A seasonal best seller every October — this eye-catching costume dress is a perennial favourite for anyone seeking an unforgettable sea-inspired look.
Halloween stock sells out fast — order early. Dispatched within 24–48 hours.
Halloween costume parties: The striking sequin detail and theatrical silhouette make you an instant standout among guests.
Fantasy and masquerade events: The elegant corset back and sweetheart neckline suit formal costume balls and themed celebrations.
Photo shoots and content creation: The shimmering bodice and flowing skirt photograph beautifully, perfect for social media and creative projects.
Costume contests and parades: The eye-catching design and professional construction give you confidence to compete or lead the way.
Simply slip on the strapless mermaid dress and adjust the lace-up corset back for a custom fit. The costume is ready to wear straight away — no assembly required. After your event, hand wash or spot clean the sequin and organza areas, then store flat or hanging in a cool, dry place to preserve the sparkle and fabric quality for years to come.
Halloween is almost here — order now so it arrives in time for your celebration. Fast dispatch and our money-back guarantee mean you can shop with confidence.
We offer free shipping with no minimum order value. Every order can be tracked at any time using an individual tracking number.
We offer a 30-day right to return or exchange if for any reason you are not satisfied with your order.
Your Casa Matto Guarantee
We offer a 30-day return policy so you can shop with complete peace of mind. If a piece isn't right for you, simply send it back within 30 days of delivery. Returns are quick and hassle-free — just reach out to our team and we'll guide you through the whole process.
Beautifully made and exactly as pictured. The warm light creates such a cozy atmosphere, and it arrived much sooner than I expected.
Looks even better in person. It brightens the whole room and fits perfectly with my modern décor.
Bought it on a whim and I'm so glad I did. It creates a lovely ambience in the evenings and the delivery was really fast.
Really pleased with it. The clock looks elegant on the wall, keeps accurate time, and was very easy to hang.
This is my second order from this store. The faucet looks fantastic, works perfectly, and the quality is consistently excellent.
Exactly what I was looking for. It gives off a warm, pleasant light and the finish looks even better than in the photos.
Shipping is free on all orders — there are no hidden delivery costs at checkout.
Yes. You have 30 days from delivery to return any item. Just contact our team and we'll guide you through it.
If your order hasn't shipped yet, contact us as soon as possible and we'll cancel it for you.
Reach out to our support team with your order number and we'll track it down and make it right.
You'll receive a tracking link by email once your order ships, or use the Order Tracking page any time.
We accept all major cards, Apple Pay, Google Pay and more — all processed securely.
Email us any time via the Contact page — we usually reply within 1–2 business days.
Fast & Free Shipping
Enjoy complimentary & fast shipping on every order, no minimum spend, no surprises.
30-day return policy
If you are not completely satisfied with your purchase, you have 30 days to return or exchange the item — just reach out to our team.
Secure payments
We offer secure payments through trusted payment providers, ensuring that your personal data is protected.
