In stock
Girls Mermaid Swimsuit Costume with Swimmable Tail - 3-Piece Bikini Set
- SKU:
- tt2050 tt2008
Same Day Dispatch
Order by 2pm AEST
Easy Returns
14 days
Melbourne Stock
Fast local delivery
Product Details
What's Included
- Halter Top Bikini (stretch material)
- Pants
- Swimmable Tail (zip on the side)
- Black Monofin
The Girls Mermaid Swimsuit Costume is a three-piece swimming set combining a wearable bikini with a swimmable mermaid tail. Designed for pool parties, beach days and mermaid-themed events where kids want the full underwater fantasy look.
Key Features
- Side zipper on tail for easy step-in and secure closure while swimming
- Monofin insert slides into tail fin pocket for swimming propulsion
- Halter tie adjusts for comfortable fit across different torso lengths
- Heat-embossed scale texture throughout all three pieces resists fading and chlorine wear
- Bikini can be worn separately without the tail as regular swimwear
Perfect For
Pool Parties & Beach Days: Whether it's a backyard pool birthday, resort kids' club mermaid afternoon, or beach photoshoot session.
Themed Dress-Up Events: Book Week fairy tale themes, mermaid birthday parties, underwater fantasy dress days, aquatic character events or fancy dress gatherings with a sea creature twist.
Halloween Costumes & Cosplay: Standalone mermaid look for trick-or-treat events near water, costume parades, or dress-up play at home where kids can swim in character.
Frequently Asked Questions
Q: Is the tail safe for actual swimming?
Yes — the tail has a side zipper for secure fit and includes a monofin insert for propulsion. Adult supervision required; suitable for confident swimmers aged 6+ who can manage monofin movement.
Q: Can the bikini be worn without the tail?
Absolutely — the halter top and swim briefs function as a regular two-piece swimsuit. The tail is a separate add-on piece for mermaid play.
Q: What events is this costume suited for?
Pool birthday parties, beach photoshoots, Book Week fairy tale themes, mermaid dress-up events, resort kids' clubs, and any aquatic fantasy occasion where swimming is part of the fun.
Shop more costume bikinis and discover our swimwear collection.
Shipping, Returns & Support
Shipping, Returns & Support
We dispatch quickly from our Melbourne warehouse and offer reliable delivery across Australia. Easy returns and fast support are available if you need help.
Delivery
✔ Dispatch within 1 business day
✔ Same day dispatch before 2pm
✔ Australia-wide delivery with tracking
Returns
✔ Easy 14-day returns & exchanges on eligible items
When will my order arrive?
Most orders arrive within 2–6 business days depending on your location.
Can I return this item?
Yes, we offer easy 14-day returns on eligible items.
Need help choosing the right size?
Ask our assistant — it checks sizes and stock instantly, and passes you to our team if needed.
Or email: sales@costumesinaustralia.com.au
Delivery timeframes shown anywhere on our website (including the postcode delivery estimator) are estimates only, based on Australia Post's published delivery standards, and are not guaranteed. We dispatch from our Melbourne warehouse; once an order leaves us, delivery is carried out entirely by Australia Post and is outside our control. We cannot be held responsible for delays caused by Australia Post, weather, peak or seasonal volumes, incorrect or incomplete addresses, or public holidays. Such delays are not grounds for a refund, replacement or cancellation.
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