One year ago she was asked to do a mermaid photo shoot.
She fell in love with the magical feeling of transforming in to a mermaid and she has since opened the AquaMermaid Academy in Montreal.
The school offers instructional courses and classes that combine a great cardio and core workout with the fantasy of becoming a mermaid.
"You become like another person, you are not yourself anymore you're the mermaid and the mermaid can do anything... you can do the style you want. It's a magical creature," said Chartier-Hénault.
Chartier-Hénault and her qualified swimming instructors teach people how to use the mono-fin.
The classes begin with simple swimming techniques like the dolphin kick and how to undulate your body to generate the necessary propulsion to move through the water.
The classes are open to all ages and mermen are also welcome.
AquaMermaid can set up photo-shoots for individuals who wish to create a mermaid themed photo.
They also offer mermaid-themed parties for the child still obsessed with Ariel from Disney's The Little Mermaid or the child inside that will never forget the true love of Madison and Allen from the 1980s film Splash.