In stock
Girls Mermaid Tail Costume - Swimmable Rainbow Bikini Set with Monofin
- SKU:
- tt2028+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 with Swimmable Tail (zip on the side)
- Black Monofin
Key Features
- Rainbow gradient tail: yellow to cyan to blue to purple to pink colour flow
- Side zip closure on tail for quick on/off without removing monofin
- Triple-tier ruffle halter top with elasticized support band beneath ruffles
- Embossed scale texture across entire tail body for dimensional mermaid effect
Perfect For
Mermaid-Themed Pool Parties & Beach Days: Whether it's a mermaid birthday party at the local pool, a beach play date with underwater tea party games, or a summer swimming lesson with fantasy costume flair.
Fancy Dress Swimming Sessions & Aquatic Dress-Up: Perfect for splash park visits, backyard pool dress-up days, or resort kids' club mermaid events where swimmable costumes are encouraged.
Book Week Pool Events & Aquatic Character Days: Ideal for schools hosting underwater-themed Book Week celebrations, mermaid story units, or fantasy literature pool parties where children dress as aquatic characters.
Frequently Asked Questions
The monofin allows propulsion with a dolphin kick motion. The side zip lets swimmers step in and out quickly. Supervise young swimmers adjusting to the monofin motion.
Looking for more options? Browse all costume bikinis or our mermaid costumes range.
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.
Reviews
Customer Reviews
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100% of customers recommend this product
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Top customer reviews
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Granddaughters dream costume 0 people found this helpfulMy Granddaughter just absolutely loves her mermaid costume. Fits perfectly & is just beautiful
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Highly recommend 0 people found this helpfulMermaid tail and top arrived in the post the day after I purchased it and is awesome! My daughter is going to love it so much. Was by far the easiest purchase I made for Christmas this year.
