Description:Mermaid Spa Day is a free game for girl to play online at our site. You can play Mermaid Spa Day in your browser for free. Today we have a new game for you in which you will meet a lovely mermaid. She is the princess of the sea and her beauty is admired by all the underwater creatures. This beautiful mermaid likes to pamper herself from time to time at the spa and today you will have to help her with the treatment.