a dangly iridescent seaweed collection with three floating seashells

Making waves with magical Mermaid Birthday Parties, Festivals, & Community Events throughout Metro Detroit, Southeast Michigan, & Beyond

Mermaid Cassidy's slogan, "Bringing Magic to the Surface"

Book Mermaid Cassidy

Treasure Chest Testimonials

"Cassidy does a fantastic job with her character and mermaid performances. She makes any event special and memorable. Will be hiring her again for our daughter second birthday!"

-Dana S., Gigsalad

a treasure chest filled with iridescent purple, pink, and blue gemstones

a purple and blue jelly fish with a smiley face

Let's Make A Splash!

Pearl of Promise

Every performance is magical, safe, and unforgettable for kids and guests. Mermaid Cassidy brings joy, wonder, and enchantment to every party, creating moments that sparkle long after the event ends. When you book with Mermaid Cassidy, you’re not just getting a mermaid, you’re getting a wave of magic and memories that last a lifetime.