A shimmering mermaid costume for women inspired by Ariel — a comfortable, tail-free dress in women's sizes S–XXL, perfect for Halloween, costume parties, and cosplay.
Order by Oct 5 · Ships in 1–2 days · 5–10 day transit
DisneyDress is an independent store and is not affiliated with or endorsed by The Walt Disney Company.
Some costumes you wear once; this one you’ll reach for every chance you get. Our mermaid costume for women brings the magic of Disney’s most beloved sea princess to life in a grown-up silhouette designed for comfort, movement, and maximum sparkle. Inspired by Ariel from The Little Mermaid, this mermaid dress for women pairs a shimmering bodice with a flowing, ocean-kissed skirt that catches the light with every step.
Whether you’re heading to a Halloween party, planning the ultimate Disneybounding look, or starring in your own under-the-sea photoshoot, this Ariel costume for women delivers fairytale impact without the fuss of a traditional tail costume.
In this guide:
Every inch of this mermaid costume for women is made to shimmer. The glitter-detailed bodice sparkles like sunlight on water, while the flowing skirt moves with a fluid, wave-like drape. Taking its cue from Ariel, the heroine of Disney’s The Little Mermaid (1989), the design blends sea-inspired shimmer with a flattering grown-up cut — no restrictive mermaid tail to trip over, just effortless glamour.
Traditional mermaid costumes with sewn-in tails look stunning in photos — and then you have to sit down. This Ariel costume for women skips the tail entirely, giving you the full sea-princess effect in a dress you can walk, sit, and dance in. The soft-touch fabric feels smooth against the skin, and the easy-wearing cut means no pinching, no slipping, and no mid-party adjustments.
It’s the rare women’s mermaid Halloween costume that looks as good at midnight as it did when you first put it on.
This mermaid costume for women comes in a full range of adult sizes: S, M, L, XL, and XXL. Choose your usual size for a flattering fit, and check the detailed size guide linked on the product page to measure with confidence before you order.
A mermaid dress for women this wearable deserves more than one night a year. Style this little mermaid costume for adults at:
Building a grown-up fairytale lineup? Complete it with our Sally Costume for adults — perfect for couples’ costumes — or the Sleeping Girl Women’s Costume for a princess-themed group.
To keep the glitter detailing sparkling wash after wash, we recommend a gentle cold wash and hanging to dry. Please check the care label sewn into your dress for complete instructions before washing.
Ariel is the protagonist of Disney’s animated film The Little Mermaid (1989), which was based on Hans Christian Andersen’s 1837 fairy tale of the same name. This dress is an inspired-by design — a DisneyDress original take on her style, not an officially licensed Disney product.
Women’s sizes S, M, L, XL, and XXL. Use the size guide on the product page to pick your best fit.
Disney parks generally do not permit guests aged 14 or older to wear costumes, except during special ticketed events — so this look is best saved for Halloween parties, costume events, and photoshoots.
Yes. The tail-free design means you can walk, sit, and dance freely, and the soft-touch fabric stays comfortable for hours.
Yes — DisneyDress offers free shipping on this costume to the USA and Canada, with estimated delivery dates shown on the product page.
Measurements are taken from shoulder to hem. We recommend measuring from your child's shoulder down to the knee for the ideal fit.
| Choice Size | Length (cm) | Length (inch) | Chest (cm) | Chest (inch) | Suggested Height |
|---|---|---|---|---|---|
| 3T | 53cm | 21" | 50cm (25*2) | 20" | 80–90cm |
| 4T | 56cm | 22" | 54cm (27*2) | 21" | 90–100cm |
| 5T | 60cm | 24" | 58cm (29*2) | 23" | 100–110cm |
| 6T | 63cm | 25" | 60cm (30*2) | 24" | 110–120cm |
| 7T | 66cm | 26" | 64cm (32*2) | 25" | 120–130cm |
| 8T | 69cm | 27" | 66cm (33*2) | 26" | 130–140cm |
| 10T | 74cm | 29" | 70cm (35*2) | 28" | 140–150cm |
* Remark: Please notice there is a measurement tolerance in 1-2cm.
| Size | US Size | Bust (in) | Waist (in) | Hip (in) | Length (in) |
|---|---|---|---|---|---|
| S | 4–6 | 34–35 | 26–27 | 36–37 | 38 |
| M | 8–10 | 36–37 | 28–29 | 38–39 | 39 |
| L | 12–14 | 38–40 | 30–32 | 40–42 | 40 |
| XL | 16–18 | 41–43 | 33–35 | 43–45 | 41 |
| XXL | 20–22 | 44–46 | 36–38 | 46–48 | 42 |
$40.94
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